Lndon’s performance‑marketing scene has exploded over the past decade, with independent boutiques and network powerhouses jostling for attention in every borough.
The UK now has over 3,400 performance-focused agencies competing in a £12.3 billion industry, growing at nearly 22% annually, and London is right at the center of it.
The sheer volume of options makes it easy to burn budget on slick pitches that never translate into measurable growth.
We built this guide to spare you that trial‑and‑error.
After weeks of vetting case studies, client rosters, and channel‑specific results, we narrowed the field to 31 agencies that actually move revenue needles.
What you’ll get in this article:
- Top 31 performance marketing agencies in London.
- Discover which industries these agencies specialize in.
- Explore key services each agency offers.
- Learn about their notable clients.
If you want to skip sifting through generic lists and find ideal partners for performance marketing in London, you’re in the right place.
Let’s get started.
P.S. If you're looking beyond London, check out our list of the Top Digital Marketing Agencies in the UK. It’s the perfect next step if you want to explore high-performing teams across the country.
TL;DR: Top Performance Marketing Agencies in London
- inBeat: inBeat is the top overall performance marketing agency, offering unmatched growth for brands by blending sharp strategy, influencer power, and relentless optimization. If you want the most effective campaigns with real, measurable results, inBeat is your best choice, no contest.
- The Brains: The Brains delivers data-led campaigns focused on leads and ROI, especially for B2B and healthcare brands. Their flexible contracts and strong performance make them a low-risk option for fast-moving companies.
- Bark: Bark combines paid media, smart creative, and analytics to help DTC and fashion brands scale profitably. Their award-winning work delivers clear revenue lifts and improved ROAS across paid channels.
- RocketMill: RocketMill builds performance campaigns using its proprietary tech and UX optimization to grow enterprise brands without forcing long-term contracts. Their successful track record includes major revenue gains and well-earned industry awards.
- Collective World: Collective World blends media, tech, and creative to scale brands while minimizing environmental impact. Their tech-forward execution and B Corp ethos make them a standout for value-driven businesses.
What Is a Performance Marketing Agency?
A performance marketing agency is a team that focuses on campaigns where you only pay for actual results, like clicks, leads, or sales, instead of vague promises or impressions.
Every decision is backed by data, and every move aims to improve return on investment.
These agencies prioritize growth that shows up in your metrics, with a clear link between budget spent and business outcomes.
So, if performance marketing is all about results, what exactly are the numbers that matter most?
Let’s explore:
Core Metrics in Performance Marketing
Here are the core metrics every agency, and every client, should care about:
Benefits of Hiring a Performance Marketing Agency in London
Now that you know what these agencies do, let’s look at why choosing the right one in London can make a real difference for your business:
You Get People Who Understand Your Market
Working with a performance-based digital marketing agency in London means you're teaming up with people who actually get the local culture, customer behavior, and business expectations.
Whether you're targeting East London startups or Mayfair decision-makers, they know how to fine-tune messaging and spend to match the vibe.
According to the Market Research Society, campaigns moulded by UK‐specific insights enjoy a 35% higher success rate compared to generic, non-localized campaigns.
You Avoid Compliance Headaches
From GDPR to EASA guidelines, marketing in the UK comes with rules. A London agency already knows how to keep your campaigns clean and compliant, so you won’t waste time fixing ads or risking penalties.
UK businesses paid over £15.5 million in GDPR fines between 2023 and 2024, underscoring the importance of compliance in marketing activities.
You Save Time and Stretch your Budget Further
With the right agency, you skip the learning curve to achieve revenue growth. They already know what works, what doesn’t, and how to move fast. That means less trial and error, and more budget going toward things that actually convert.
In fact, businesses that partner with performance marketing agencies often see a significant boost in their ROI. For example, integrating brand and performance marketing strategies can lift ROI by an average of 90%.
You Get Access to Advanced Tools Without the Cost
Top London performance agencies invest in serious tech stacks: tools like Google Marketing Platform, Skai, Triple Whale, or Northbeam. You won’t need to license these yourself or figure them out. You’ll get smarter attribution, better optimization, and real insights that go way beyond native dashboards.
For instance, subscribing to the Google Marketing Platform typically costs a minimum of $150,000 per year, invoiced at about $12,500 monthly, savings that London agencies pass on by bundling these capabilities into their service fees.
You Stay Competitive in a Fast-Moving Space
Digital marketing in the UK is on a serious upswing. Projections show the ad market climbing to $61.8 billion by 2033, growing steadily at 4.6% a year starting in 2025.
The shift to digital isn’t slowing down anytime soon.
A strong London agency keeps you updated on what’s working across channels, whether that’s a TikTok ad format or a new Google Ads rule, so you don’t fall behind.
Alright, now that you know why working with a London-based agency pays off, let’s break down the top players worth your attention:
A Deep Dive into Each Top Performance Marketing Agency in London
Ready to find your match? Here’s everything you need to know about the top performance marketing agencies operating in London right now:
1. inBeat
inBeat is a top-tier performance marketing agency in London, known for helping online brands grow fast and smart.
They’re all about getting real results, using performance-driven strategies that actually connect with your ideal customers, without wasting a single marketing dollar.
By digging deep into audience data, performance numbers, and what’s trending in the market, inBeat builds campaigns that are laser-focused and super effective.
They keep a close eye on how things are going, fine-tuning every detail, from who sees your ads to where and when they pop up, so your campaigns always run like a well-oiled machine.
Their range of services cover the full spectrum of performance marketing, making sure everything you do is aligned and working together to drive real business growth.
What makes inBeat stand out?
They partner with you, making sure the strategy fits your goals and keeping you looped in every step of the way.
One of their secret weapons is a powerhouse influencer network featuring the top 2% of content creators out there.
That means they can pair your brand with influencers who truly match your vibe and audience, boosting your reach, building trust, and driving more conversions.
Take Genomelink, for example.
They teamed up with inBeat to tackle rising customer acquisition costs and creative burnout on social media platforms like TikTok.
The solution? A steady stream of 5-10 fresh, performance-based user-generated videos. The results speak for themselves: a 73% drop in CAC, a 124% jump in registration completions, and a 27% cut in cost per signup.
By keeping the content fresh and varied, they boosted engagement and gave their chances of going viral a serious lift.
Industries: Mobile Applications, CPG and DTC brands, Retail, eCommerce, Agencies, Fashion, Food
Notable clients: New Balance, Deux par Deux, Linktree, Hopper, Nissan, Disney, Hurom
Key services:
- Performance Marketing Services
- Social Media Marketing
- UGC Creation
- TikTok and Instagram Marketing & Advertising
- Micro-Influencer and Nano-Influencer Marketing
- Paid Advertising
Reason to work with inBeat: They’re pros at coming up with fresh strategies, using smart targeting, and delivering standout creative work. Plus, they never stop tweaking and improving to get the best results.
2. The Brains
The Brains is a London-based agency that builds performance campaigns rooted in strategy, data, and real buying behavior.
You get a team that knows how to pair content with intent, especially if you’re in ecommerce, healthcare, or B2B.
They’ve helped 150+ clients bring in over half a million leads, and they don’t just talk ROI: they average 5x across campaigns.
You won’t get tied into endless retainers either. They offer short-term options and free consults, so you can test them without pressure.
Industries: Healthcare, B2B, eCommerce, Finance, SaaS, Charity
Notable clients: ETFmatic, Doctify, Rezatec, DHL
Key services:
- Expertise in SEO
- PPC
- Performance Marketing Solution
- Content Marketing
- Email Marketing
- Social Media Marketing
- Conversion Rate Optimisation
Reason to work with The Brains: They deliver high-return campaigns without locking you into long contracts.
3. Bark.London
Bark is a performance agency that brings paid media, creative thinking, and data science together for eCommerce brands ready to scale.
You get results that matter: a 94% jump in incremental ROAS for Pom Pom London and a 400% year-over-year bump in new customer revenue for Free Soul.
Their full-funnel strategies connect paid social, search, and smart creative with analytics like lifetime value and attribution modeling.
Recognition isn’t just a trophy for them, they’re 2024’s Performance Marketing Agency of the Year, and it shows in their client wins.
You don’t have to worry about getting locked into endless commitments. They focus on flexible, tailored solutions for every brand.
Industries: Direct-to-Consumer (DTC) Retail, Beauty, Finance, eCommerce, Fashion, Real Estate
Notable clients: Pom Pom London, Chilly’s, Gorillas, hims, Colvin, Free Soul
Key services:
- Paid Media Advertising Campaigns
- Creative Strategy
- Data Science
- User Generated Content
- Content Shoots
Reason to work with Bark: They back creative thinking with data that drives real customer acquisition.
4. RocketMill
PMG is an international performance marketing agency that builds strategies around real data and its own tech platform, Alli.
In 2024, they added names like Petco and Northwestern Mutual to the roster and drove 38% more revenue across the board.
They’ve won with innovation, earning spots on Digiday’s and Ad Age’s top lists, not for the show, but for what they actually deliver.
You won’t get boxed into a long-term deal either. Everything’s built around what you need, when you need it.
Industries: Automotive, Retail, B2B, Professional Services, Casino, eCommerce, Finance, Charity
Notable clients: BYD, HomeServe, Travelex, New Scientist
Key services:
- Media Optimization
- Digital Marketing Solutions
- Creative Execution
- Analytics and Technology
- User Experience (UX)
- Conversion Rate Optimization (CRO)
Reason to work with RocketMill: They bring enterprise-level thinking without locking you into enterprise-level contracts.
5. Collective World
Collective World runs performance marketing across London and NYC, mixing tech, media, and creative for brands that play on a global scale.
They’re a certified B Corp, which means they balance people, planet, and profit - even their AdTech is built to cut carbon emissions.
With strong expertise in SEO, their services span PPC, programmatic, influencer, and connected TV, all designed to keep costs tight while scaling results.
For Axe, they used Nvidia Omniverse to build one digital twin 'truth' across all variants, generating hundreds of brand-accurate assets in six weeks while slashing production time and budget.
Industries: Automotive, B2B, Gaming, Beauty, eCommerce
Notable clients: Axe, Leia Inc., Carbon Trust, Mercedes-Benz, Victorinox
Key services:
- Media Planning & Strategy
- Paid Social
- Paid Search
- SEO
- Programmatic Advertising
- Influencer Marketing
- Digital Experience
- Data-Driven Approaches
- Performance Marketing Content
Reason to work with Collective World: They deliver high-volume, on-brand creative in record time with tech that respects your budget and the planet.
6. Tug Agency
Tug runs global performance campaigns powered by in-house tech that tracks what actually contributes to your revenue growth.
Their proprietary tools, like Tug CID and Real Impact, give clients real clarity on what’s driving results and where to double down.
For END., they rolled out dynamic product feed ads on Meta and pulled a 34% increase in basket size with a 126% ROAS in just four weeks, all backed by 87% confidence in incremental revenue.
Their approach balances precision with speed, and they’ve been shortlisted at the Performance Marketing World Awards for exactly that.
Industries: Retail, Automotive, Finance, Technology, Health
Notable clients: Milk & More, Heinemann, Zipcar, GenesisCare, IKEA
Key services:
- Data and Digital Strategy
- Performance Marketing Expertise
- Paid Media
- Earned Media and Content
- Technology Services
- Strategic Planning & Strategic Insight
Reason to work with Tug: Their tech-backed execution turns performance into clear, provable outcomes fast.
7. Target
Target is a performance agency with offices in London and Cornwall, built for eCommerce brands that want to scale without burning through budget.
They work with challenger brands using a bottom-line-first approach, blending unit economics with performance strategy across Paid Search, Paid Social, SEO, CRO, and Creative.
Their creative team applies the AIDA model to align visuals with each step of the customer journey, keeping design intentional and conversion-focused.
In action, this led to a 7.8x average media efficiency ratio for an e-catering brand using cost caps.
For Years.com, they cut the normalized cost per acquisition by 60.8% just through creative testing.
Industries: eCommerce, Fashion, Technology, Health, Beauty, B2B
Notable clients: Prepped Pots, Muscle Food, Babbico, Norhcoders, Years.com
Key services:
- Holistic Marketing Services
- Paid Search
- Paid Social
- Advanced Analytics
- SEO
- CRO (Conversion Rate Optimization)
- Creative Services
Reason to work with Target: They balance performance and creative with a focus on what actually drives profit.
8. DAC Group
DAC Group runs global performance marketing with local precision, operating out of London with tech and strategy that connect brand-level thinking to on-the-ground execution.
Their platforms, IRIS and TransparenSEE, power campaigns by tying together media, analytics, creative, and strategic ops - all through AI-backed infrastructure that helps teams act fast and adjust smarter.
For Hotel Chocolat, they delivered a persona-led omnichannel campaign that lifted conversion rates by 16% for Audience A, 59% for Audience B, and 67% for Audience C.
They also teamed up with David Lloyd Clubs to produce recipe videos featuring Theo Michaels, netting over 50,000 completed views, 1,300+ blog sessions, and 500+ Facebook reactions, proof that creative and content can move the needle when it’s audience-led.
Forrester named them one of the most significant performance agencies globally, and they’ve earned that recognition by translating strategy into action,
Industries: Food & Beverage, Retail, Fashion, Hospitality, Sports, Professional Services
Notable clients: StorageMart, NetJets, Hotel Chocolat, La Maison Simons
Key services:
- Local SEO
- Custom Strategies for Performance
- Reputation Management
- Content Strategy
- Insights and Analytics
- Digital Marketing Services
Reason to work with DAC Group: Their tech and strategy combo turns complex campaigns into clear results at every level of the funnel.
9. Avenue Digital
Avenue Digital is a London-based agency built around Paid Search, Paid Social, and SEO, serving ecommerce and lead-gen brands that need precision and consistency at scale.
They align content, targeting, and platform mechanics to deliver campaigns that actually land.
With official partnerships across Google, Meta, and Microsoft, their team knows the ins and outs of each channel, applying that knowledge to shape strategies that work across markets.
Services cover everything from Display and Shopping Feeds to CRO and in-depth analytics, making them a go-to for international accounts with complex requirements.
Avenue Digital has demonstrated significant revenue growth, achieving a 315% year-on-year increase in 2019, reflecting their effective strategies and client satisfaction.
Industries: Fashion, Beauty, Wellness, Home Decor, Technology
Notable clients: RIXO, Mint Velvet, Luca Faloni, Tangle Teezer, Ciate London, Noble Isle
Key services:
- Paid Social
- Paid Search
- Strategic Approach
- SEO
- Google Shopping
- Digital Advertising
- Paid Media Management
- Expertise in Performance Marketing
Reason to work with Avenue Digital: Their technical execution and cross-channel alignment help you run serious campaigns without second-guessing delivery.
10. Elevate Digital
Elevate Digital Solutions is a London-based agency focused on profitability, cutting through vanity metrics to deliver real results for eCommerce and service brands.
They specialize in SEO, PPC, and CRO with strategies designed to keep sales moving up steadily and sustainably.
Since starting in late 2018, they’ve helped clients generate over £10 million in sales tied directly to their efforts.
For Buy Flooring Online, they doubled monthly sales by applying a full-spectrum digital marketing approach.
Meanwhile, a transformational coach saw a 600% ROAS in just the first month of Facebook Ads.
Their client-first mindset includes no long-term contracts and a 15-day money-back guarantee if they don’t bring value.
Industries: eCommerce, Technology, Education, Health and Wellness
Notable clients: Carpet City, OM & BASS, Tomorrow.io, Juno, iiko, Buy Flooring Online
Key services:
- Search Engine Optimization (SEO)
- Pay-Per-Click (PPC) Advertising
- Conversion Rate Optimization (CRO)
- Website Design and Development
Reason to work with Elevate Digital: They prioritize real profit through targeted strategies, backed by a risk-free trial and transparent service.
11. Planit
Planit is a London-based agency that builds full-funnel, multi-channel campaigns with key marketing goals in mind: making every ad spend worth it.
They work across Paid Search, Paid Social, SEO, Affiliates, and Content, shaping tailored strategies that align with each client’s business model and market dynamics.
With Dr Newmans Clinic, they doubled lead volume year-over-year and halved CPL by applying location-specific bidding and building a custom analytics platform that raised ROI from 6x to 9x in under a year.
For Readly, they rolled out a multi-channel affiliate program that led to a 450% jump in sign-ups while maintaining ROI across six regions.
Every strategy is shaped by data and delivered with transparency, with teams that stay focused on what moves the needle for each client.
Industries: Startups, Global Enterprises, B2B, Healthcare, Finance, Insurance
Notable clients: Lemonade Dolls, Bloombox Club, Hayu, Dr Newmans Clinic, Readly
Key services:
- Paid Media
- Affiliate Marketing
- Conversion Optimization
- Email Marketing
- B2B Marketing
Reason to work with Planit: Their channel mix and custom analytics help brands scale efficiently with decisions grounded in data, not assumptions.
12. Push UK
Push Group is a London-based agency that builds performance strategies through proprietary AI tools and channel-specific expertise.
They run campaigns across Paid Search, Paid Social, and emerging platforms, using automation to tailor tactics at scale while keeping results consistent across regions.
For a fashion client, they drove a 137% revenue increase year-over-year while holding an 801% ROAS across all PPC channels.
Another client saw a 33% revenue lift and a 955% regional uplift in the US, powered by localized campaign structures inside their automated framework.
Their work hasn’t gone unnoticed, they’ve picked up awards from Google and Microsoft for innovation in mobile and advertising strategy, and they maintain direct partnerships with every major platform from TikTok to Meta.
Industries: Technology, eCommerce, Finance, Retail, Fashion, Tourism, Pharma, Real Estate
Notable clients: Hilti, Ralph Christian, Hidden Hearing, DS Smith
Key services:
- AI Marketing Integration
- Performance Media
- Strategic Marketing Consultancy
- Training and Development
Reason to work with: Their AI-driven structure adapts fast and delivers consistency across channels and regions without losing control of the outcome.
13. Found
Found is a London-based agency that delivers performance across Paid Media, SEO, and Content by building strategies grounded in data and backed by custom-built tech.
Their proprietary platform, Luminr, uncovers deep search insights that help brands get discovered across every searchable channel, not just Google.
They apply what they call the Everysearch™ approach, designed to help businesses show up where it counts, whether that’s in SERPs, marketplaces, or social feeds.
For Toolstation, this approach led to a 40% year-over-year revenue uplift driven by smart paid search execution that didn’t waste spend or time.
Industries: eCommerce, Travel, B2B, Finance, SaaS, Fintech, Real Estate
Notable clients: Toolstation, Clermont Hotel Group, Puma, Toms, Adecco, Conduent
Key services:
- SEO
- PPC
- Paid Social
- Digital PR & Content
- Data & Analytics
- Creative Strategies
Reason to work with Found: As a Google Premier Partner and an award-winning performance marketing agency, they pair credibility with performance you can actually see.
14. KINESSO
Kinesso is a London-based agency that connects data, media, and tech to run large-scale performance campaigns with precision.
Formed in 2023 by merging Reprise, Matterkind, and Kinesso under IPG Mediabrands, they now handle over £500 million in digital spend and manage 120 platforms, backed by a 750-person team across the UK and Ireland.
In 2023 alone, they secured 17 new clients and kept 95% of their existing ones, a reflection of consistent delivery across complex accounts.
Industries: Retail, B2B
Notable clients: n/a
Key services:
- Media Strategy
- Data and Analytics
- Tech Solutions
- AI and Machine Learning
Reason to work with Kinesso: With multiple awards behind them, including Performance Marketing Agency of the Year, their reputation is built on both scale and execution.
15. Digital Nexa
Digital Nexa is a London-based agency with global reach, delivering performance strategies that combine automation, CRM, and digital execution under one roof.
With offices in the UK, UAE, USA, and Australia, they’re structured to support brands across regions while maintaining a sharp focus on performance and marketing goals.
As a Diamond-tiered HubSpot Solutions Partner, Nexa sits in the top 2% globally, giving them a serious edge in marketing automation and CRM integration.
Their work with JLL led to £4.2 million in potential revenue and secured Nexa as JLL’s exclusive digital partner in the Middle East.
For the American University of Malta, they delivered 1,173 leads from 220,127 clicks with a spend of just $18,020.
They’re also ahead of the curve on emerging tech, helping clients explore Web 3.0, NFTs, and the metaverse without the hype.
Industries: Travel, Automotive, Restaurant, Retail, B2B, eCommerce, Hospitality, Healthcare, Education
Notable clients: Ferrari, Elegant Resorts, Pizza Express, Jumeirah, American University of Malta, JLL
Key services:
- Digital Strategy
- SEO & PPC
- Data-Driven Precision
- Conversion Optimization
- Content Creation and Distribution
Reason to work with Nexa: They combine global delivery with deep platform knowledge to help brands scale across regions and channels with consistency.
16. Marketiu
Marketiu is a London-based boutique agency that builds digital strategies for fast-moving, mid-sized brands looking to level up performance without adding internal overhead.
With over a decade in the space, they cover everything from social media advertising and Google Ads to Spotify campaigns, content strategy, and email automation, all tailored to help clients run lean and smart.
Each client gets a dedicated account manager, keeping communication fast and on point, while specialists in each channel handle the execution with care and clarity.
Their slogan, “Marketing that makes you money,” sums up the ethos, and they back it up with delivery that matches intent.
Industries: eCommerce, B2B, Education, Events, Legal Services, Health
Notable clients: Birmingham City University, Science in Sport, Metropolitan Events, Antony Clapp Solicitors, Photo Setup, Medi-Help International
Key services:
- Digital Marketing Strategy
- Social Media Marketing (Facebook, Instagram, LinkedIn, TikTok, YouTube)
- Google Ads & PPC
- Content Marketing
- Email Marketing Automation
- SEO Services
- Web Development
Reason to work with Marketiu: They bring strategic depth and personal attention together to help businesses run smarter campaigns with zero wasted effort.
17. M&C Saatchi Performance
M&C Saatchi Performance is a London-based agency that started in mobile back in 2006 and now runs digital campaigns across every key channel: from paid search and social to programmatic, influencer marketing, affiliate, streaming TV, and app store optimization.
They’re built for brands that need performance tied directly to outcomes, especially when mobile is a priority and reach needs to scale across multiple platforms.
For Beam Suntory’s Auchentoshan campaign, they drove a 165% increase in sales volume and a 7.5x lift in CTR using dynamic creative optimization across channels.
In Southeast Asia, their targeted digital work helped GrabFood increase sales by 65%, proving their ability to deliver in competitive markets.
Industries: Technology, Entertainment, Retail, Finance, Travel, Healthcare
Notable clients: Amazon, Grab, Beam Suntory, Rakuten Rewards, The Weather Channel, Sega, GrabFood
Key services:
- Mobile Marketing
- Paid Search and Social Media
- Amazon Marketing
- Programmatic Advertising
- Traditional Advertising
- App Marketing and Store Optimisation
- Data, Analytics, and Tech Insights
- Influencer and Content Marketing
Reason to work with M&C Saatchi Performance: Their approach blends channel depth with experience that comes from being in the game longer than most.
18. Repindia
RepIndia is a London-based agency that builds performance campaigns around data, audience insight, and channel strategy tailored for the city’s competitive digital scene.
With over 550 clients, 2,000+ projects, and 100+ awards, they’ve proven their ability to adapt across industries, from ecommerce and tech startups to hospitality and local services.
Their services span SEO, PPC, content, social media, and reputation management, with a clear focus on conversion through mobile-first execution and voice search optimization.
They don’t stop at online visibility, they’re built to improve KPIs that actually matter, shaping campaigns that turn interest into action.
Industries: eCommerce, Local Services, Tech Startups, Hospitality, Professional Services, Entertainment
Notable clients: Kajaria, Canon, MTV, Havells
Key services:
- SEO
- Social Media Marketing
- Email Marketing
- Analytics and Data Reporting
Reason to work with RepIndia: Their track record and channel expertise make them a solid fit for brands that want real traction in a saturated market.
19. Passion Digital
Passion Digital is a London-based agency that brings together data-driven strategy and creative thinking to run campaigns that get noticed and convert.
Their expertise runs deep in SEO, PPC, content marketing, paid social, programmatic, and CRO, everything is built to maximize returns on digital channels.
They use insight and innovation to reach and engage the right audiences, then keep those users moving through the funnel with campaigns that actually deliver:
- For EIT Campus, they launched a Reddit-focused campaign targeting educators and women in STEM, which led to a 492% spike in website traffic and 46,000 clicks in three months.
- With Cloud Gateway, they unified SEO and paid search to lift organic clicks by 201% and increase paid leads by 425%.
Industries: eCommerce, Sustainable Brands, Global Businesses, Startups, Charities, Finance
Notable clients: Downey, Knight Frank, OneTrust, Ashleigh & Burwood, The Adventure People, The People’s Pension, Octopus Investments, NUTANIX, Action Medical Research, EIT Campus, Cloud Gateway
Key services:
- SEO (International, Audits, Content Marketing)
- Paid Media (Search, Social, Programmatic, PPC Audits)
- Analytics
- Creative Content
Reason to work with Passion Digital: Their creative approach and strategic execution turn digital spend into authentic engagement and clear ROI.
20. Ality
Ality is a London-based agency that runs performance campaigns across PPC, SEO, paid social, and content marketing, all backed by strategy that starts with data and ends in results.
As a Google Partners, they build high-impact ads across Google Search, Shopping, Bing, and social platforms, aligning creative and targeting to real business outcomes.
Their team blends research, planning, and structured execution to develop campaigns that move beyond impressions and focus on what actually performs.
One standout project was the “There’s A Beer For That” campaign, where they managed paid social and Google activity to drive higher reach and lower costs using content shaped by data.
Industries: Retail, Tech Brands, Hospitality, Industrial, B2B
Notable clients: BP, Barry M, Ocado Group, Castrol, Hilton, Mimecast
Key services:
- PPC Campaigns
- Creative Performance Marketing Strategy
- Paid Social Media
- Display Advertising
- Analytics and Data Reporting
Reason to work with Ality: Their expertise in performance marketing, blended with creativity, innovation, and data-driven strategies, ensures tailored solutions that drive real business growth and marketing success.
21. NP Digital
NP Digital UK s a London-based agency that delivers performance through SEO, paid media, content marketing, and analytics, shaped by real-time data and global insight.
As part of the NP Digital network co-founded by Neil Patel, they bring scale and experience while keeping campaigns tied to business outcomes, not vanity wins.
They led a full-scale SEO revamp for Stripe, lifting position #1 rankings by 381% and driving a 28% year-over-year increase in signups.
For GFD Homes, they built a holistic strategy that resulted in a 1,321% increase in organic sessions and a 12% rise in category revenue, proof that their execution drives impact across industries.
Named Performance Marketing Global Agency of the Year in 2024, NP Digital UK continues to deliver high-stakes performance across multiple digital touchpoints.
Industries: eCommerce, Professional Services, SaaS, B2B Companies, Technology, Finance
Notable clients: Adobe, SoFi, Hickory Farms, Party City, Stripe, GFD Homes
Key services:
- Data Analytics and Insights
- Full-Service Marketing
- SEO and Content Marketing
- Paid Media and Programmatic Advertising
- Data-Backed Marketing Strategies
Reason to work with NP Digital: They leverage cutting-edge technology and deep market insights to deliver innovative solutions that ensure substantial business growth and marketing success.
22. Allies Group
Allies Group is a London-based agency that runs integrated campaigns across SEO, PPC Campaigns, content, PR, and traditional media.
They’ve built a team that understands how to connect digital marketing with brand voice and media reach, making execution feel cohesive from strategy to delivery.
Whether it’s technical SEO or earned media, their work is grounded in clear planning and channel alignment that serves both performance and presence.
One standout effort was during the COVID-19 pandemic, where they ran 150 social media campaigns for rural businesses under the NCBRP Programme, reaching one-third of the UK audience at a critical time.
Industries: Professional Services, Education, Hospitality & Leisure, Public Sector, Membership, Net Zero
Notable clients: Kavli, Carr’s Group, Mantra Thai, George Smith, BWL Group, South Shields Football Club
Key services:
- Content Strategy and Creation
- Digital Marketing
- Performance Marketing Techniques
- SEO
- Social Media Management
- Paid Search
- Website Design
Reason to work with Allies Group: Their ability to connect content, digital, and PR delivers campaign impact across both performance and brand reach.
23. AB Media Co
AB Media Co is a London-based agency with over 8 years’ experience running performance campaigns built around data and audience insight.
They’ve generated more than $137 million in revenue for over 100 brands, bringing channel expertise in Google Ads, social media, influencer marketing, remarketing, A/B testing, and reporting to the table.
Every campaign is tailored for London’s diverse market, with targeting and creative that reflect real behaviors and preferences.
Their focus on real-time optimization means strategies aren’t set and forgotten; they’re constantly refined to keep campaigns relevant and returns high.
Clients get transparent reporting and analysis, so every decision comes with context and accountability.
Industries: Fashion, Legal, Entertainment, Automotive, Health, Education
Notable clients: Neramaya Soul, EMAAR India, Fitoorz, TalentGum
Key services:
- Google Ads
- Social Media Campaigns
- Performance Marketing
- Influencer Marketing
- Data Analysis and Reporting
Reason to work with AB Media Co: Their mix of experimentation and active optimization delivers campaigns that stay relevant and effective throughout the run.
24. Crucible.io
Crucible is a London-based agency that connects strategy, data, and creative to build multi-channel performance campaigns for sectors like healthcare, higher education, and manufacturing.
Their mix of SEO, PPC, social media, content, CRO, and account-based marketing means each campaign is shaped to meet the specific objectives and challenges of the industry in play.
They’re known for making every channel work together, not in isolation, with clear alignment between campaign design and business priorities.
For ARA Fertility Clinics, they ran targeted Google Ads in Portugal, France, and Germany, pulling a 43% month-on-month lift in conversions through precise geotargeting.
Their work for Liquorette went beyond typical marketing, they helped build an on-demand cocktail delivery platform, rolling out an integrated ingredient system and scaling operations to 60 locations worldwide.
Industries: Healthcare, Higher Education, Manufacturing
Notable clients: VJ Group, Centre for Reproductive and Genetic Health, Midas Public Relations, Cambridge Crystallographic Data Centre, ARA Fertility Clinics, Liquorette
Key services:
- SEM
- Data-Driven Analytics
- SMM
- SEO
- CRO
- Web3 Marketing Services
- Email CRM and Automation
- Digital Radio
Reason to work with Crucible: They tailor multi-channel campaigns and technical builds to help ambitious brands solve complex problems and break into new markets.
25. Hallam
Hallam is a London-based agency that blends long-term brand strategy with short-term performance, delivering campaigns that serve both sides of the marketing equation.
They’ve earned awards like Europe’s Best Large Integrated Search Agency by backing creative and channel work with structure, data, and execution that holds up under pressure.
Their proprietary platform, HallamIQ™, supports every part of the process, from strategy and creative to media optimization and reporting, giving teams a clearer picture of what’s working and where to shift.
For More Kitchens, they ran an organic campaign that led to a 51% increase in conversions and a 165% rise in site organic traffic.
With Rutland Cycling, their content work helped drive a 76% increase in online revenue.
Industries: eCommerce & Retail, Education, Healthcare, Industrial Services, Manufacturing, Non-Profit, Professional Services, SAAS
Notable clients: University of Nottingham, Ivoclar, Curvy Kate, Oqton, More Kitchens, Rutland Cycling
Key services:
- SEO
- Paid Search and Social Media
- Content and PR
- User Experience Design
- Data Science and Artificial Intelligence
- Conversion Rate Improvement
Reason to work with Hallam: Their ability to tie strategic brand work to day-to-day digital performance gives businesses a clear advantage across both timelines.
26. Accord Marketing
Accord Marketing is a London-based agency with over 35 years of experience running performance campaigns for travel, tourism, and hospitality brands that need full-funnel execution with creative and media under one roof.
Their approach is built on the idea of “brilliantly joined-up marketing,” meaning no part of the campaign operates in isolation - everything connects, and every piece has a role.
For Fred. Olsen Cruise Lines, they launched a full-funnel campaign that drove a 12% increase in online bookings, a 14.5% rise in revenue, and a 29% lift in PPC revenue. The same campaign also sparked a 60% jump in brand searches and an 84% increase in traffic.
Industries: Travel, Leisure, Retail, Healthcare, Finance, Hospitality
Notable clients: Titan Travel, Travelbag, Abercrombie & Kent, Age Co,
Key services:
- SEO
- Programmatic Advertising
- Content Marketing
- Email Marketing
- Social Media Marketing
Reason to work with Accord Marketing: Their ability to tie brand visibility and performance together makes them a reliable choice for travel and hospitality campaigns with clear conversion goals.
27. Highrise Marketing
Highrise is a London-based agency that helps DTC brands scale with a full-funnel model that blends creative strategy, media buying, and CRO into one clear system.
Since launching in 2017, they’ve built a reputation for taking startups from launch stage to category leadership, focusing on sustainable performance across Meta, Google, and TikTok.
Their proprietary tools help track performance and attribution clearly, making it easier to act on what works and drop what doesn’t.
For Grind Coffee, they moved the brand from retail into DTC, driving over one million online orders and setting the stage for $30 million in funding.
With Desmond & Dempsey, they drove 265% growth in year one, 100.86% in year two, and reduced CAC by 31% along the way.
Industries: Direct-to-Consumer (DTC), Ecommerce
Notable clients: Grind Coffee, TRIP, Pura., Tala, Untamed Cat Food
Key services:
- Paid Media Management
- Conversion Rate Optimization
- Creative Production
- Strategic Media Buying
- Marketing Advice
- Campaign Planning
Reason to work with Highrise: They’ve proven they can turn early-stage DTC brands into serious contenders through creative structure and platform-specific execution.
28. Onelink
Onelink is a London-based agency built for eCommerce and B2B brands that need every step of the funnel working in sync, from paid search and social to programmatic, SEO, and CRO.
They dig into the numbers and creative detail to make sure campaigns line up with business targets, balancing acquisition with lifetime value and clear reporting every step of the way.
For Corendon Airlines, they drove a 57% year-over-year jump in UK sales by dialing in on cost-per-seat and capturing more market share with a focused performance approach.
YuMove saw a 25% reduction in customer acquisition cost through a tailored paid search strategy that separated single purchases from subscriptions, building stronger retention and smarter spend.
Industries: eCommerce, B2B, Retail, Airlines, Fashion, Real Estate
Notable clients: Corendon Airlines, YuMove, Rubio Monocoat
Key services:
- eCommerce Growth Strategy
- Paid Search
- Organic Search
- Paid Social
- Programmatic eCommerce
- B2B Marketing
Reason to work with Onelink: Their ability to adapt paid and organic tactics around real customer behavior makes them a smart fit for brands with performance targets tied to both acquisition and retention.
29. The Covalent Bond
The Covalent Bond is a London-based agency that builds performance strategies through a human-first lens, blending insight, experience, and analytics to help brands make smarter moves.
Founded by Andrew Atalla, the agency brings over 20 years of practical know-how to every engagement.
They run SEO, PPC, UX, CRO, and analytics across platforms like PMax, Meta, and TikTok, building tailored campaigns that factor in both channel behavior and business goals.
Beyond media, they offer conversion-focused web development, data automation, and consulting through NED roles and investment partnerships, offering a depth of involvement most agencies don’t.
Industries: Retail, Technology, Healthcare, Education
Notable clients: Benson IVF, CFBMS, MRN Healthcare, Qex, White Dreams Travel, Flozy
Key services:
- Pay-Per-Click (PPC)
- Search Engine Marketing (SEM)
- Social Media Advertising
- Display Advertising
Reason to work with The Covalent Bond: They offer a rare mix of technical depth and leadership insight, making them a strategic partner, not just an execution shop.
30. SMACK
SMACK is a London-based agency that blends creative energy with digital execution, building campaigns and tools that stand out and actually get used.
They specialize in gamification, immersive web experiences, and ecommerce setups that make interaction feel intentional, not gimmicky.
Their work includes building AI-powered personal shoppers and AR social filters, alongside more traditional channels like SEO, digital ads, and social media, keeping the brand experience cohesive and conversion-focused.
It’s a mix of design, tech, and strategy that’s earned them industry recognition, including a Webby and a UK Customer Experience Award.
Industries: Retail, Beauty, Lifestyle, Technology, Finance, Franchise
Notable clients: Ted Baker London, Domino's, Molton Brown London
Key services:
- Digital Marketing
- Creative Design
- Content Production
- Social Media Strategy
- Data Analysis
Reason to work with SMACK: Their creative builds do more than look good, they’re designed to capture attention and push users to act.
31. SINE Digital
SINE Digital is a London and New York-based agency that connects entertainment, fashion, and ecommerce brands with audiences through creative campaigns powered by data and custom tech.
Founded in 2017 by a team of artists, they bring backstage insight to front-end performance, blending paid media, SEO, programmatic, and AI-driven creative into campaigns that convert.
With over 400 live events under their belt, they’ve built strategies that are tuned to drive ticket sales, brand engagement, and repeat action across multiple verticals.
For Percival Menswear, they used DV360’s Custom Bidding to deliver a 93% jump in ROAS, a 478% higher CTR, and a 358% drop in cost per page view.
For Royal Ballet & Opera, they introduced media mix modelling, leading to a 58% increase in base revenue and a 27% lift in revenue from paid digital.
Their mantra says it all about their innovative approach:
“We weren’t born in a boardroom, we were built backstage”
Industries: Live Entertainment, Sports, Theatre, Fashion, Lifestyle, eCommerce
Notable clients: Percival, AEG Presents, Aston Martin F1, Yamaha Motors, Secret Cinema, Tottenham Hotspur
Key services:
- Digital Strategy
- Creative Content
- Innovative Marketing Campaign
- Data Analysis and Insights
- Market Research
- Social Advertising
- Programmatic Media Buying
- Search Engine Optimization (SEO)
- Paid Search
Reason to work with SINE Digital: Their creative builds do more than look good, they’re designed to capture attention and push users to act.
How to Choose the Right Performance Marketing Agency in London
There are a lot of great agencies out there, but not all of them are built for your goals and deliver exceptional marketing success.
Here’s what to keep in mind before you sign anything:
Make Sure They Understand UK-Specific Regulations
The UK has its own digital marketing rules, and they aren’t always aligned with global standards. A good agency will know how to handle GDPR, PECR, EASA guidelines, and platform-specific ad policies. You shouldn’t have to micromanage compliance.
Questions to ask:
- How do you handle GDPR compliance in your campaigns?
- What tools do you use to manage user data and consent in the UK?
Gauge Their Cultural Fit
London is a melting pot of accents, attitudes, and micro‑communities.
Look for planners and creatives who understand regional nuances: from North vs. South price sensitivity to how football culture shifts buying behaviour on matchdays.
Sharp cultural insight turns generic ad copy into messages that feel personal to your United Kingdom audience.
Check Their Experience With Local Platforms and Media
The best agencies won’t just push Google and Meta. They’ll know if your audience is active on Sky Ads, Amazon UK, or even local affiliate networks. Bonus points if they’ve worked with publishers or influencers in the UK scene.
Ask this: “Which UK-specific platforms or media buys have you used in recent campaigns?”
Verify That Their Reporting Reflects Relevant Business Metrics.
A performance agency should talk about ROAS, CAC, LTV, or conversion rate uplift, not just impressions or CTR. You want someone who connects the dots between what’s spent and what comes back.
Ask this: “Which performance marketing metrics do you prioritize and why?”
Wrapping Up
This article breaks down some of the best performance marketing agencies in London and why working with a specialist beats going general or doing it all in-house.
These agencies know digital inside and out: they use cutting-edge tools, stay ahead of trends, and know how to get results without wasting time.
While each agency has its strengths, inBeat is a standout.
They’re great at scaling campaigns, thinking outside the box, and turning data into action so you actually see a return on what you spend.
Picking the right agency can make a huge difference. Focus on what your brand really needs, and choose a partner that clicks with your goals. The right one will help you grow faster, smarter, and with less stress.
P.S. Exploring influencer marketing? Don’t miss our curated guide to the Top Influencer Marketing Agencies in London, handpicked to help you find the right fit.
Frequently Asked Questions
How much does performance marketing cost in London?
Prices vary, but generally, you can expect to pay between £1,000 and £10,000+ per month, depending on the agency's size, services, and your campaign goals.
What’s the difference between a marketing agency and a professional performance marketing agency?
A marketing agency handles broader branding and promotional tasks. A performance marketing agency specifically focuses on measurable results like conversions, sales, or lead generation. Basically, they’re all about tangible ROI.
Why should you hire a performance marketing agency in London?
Because they'll boost your bottom line by tracking every penny you spend. London agencies know local trends, understand UK digital ad regulations, and can fine-tune your strategies fast. Essentially, they're your shortcut to measurable growth.
Are performance marketing agencies worth it?
Definitely, especially if ROI matters to you (and it should). They save you money by optimizing your campaigns in real-time. If you want clear outcomes and fewer wasted pounds, it’s a no-brainer.
How do I choose the best performance marketing agency in London?
Look at their past performance, metrics beat promises every time. Ensure they match your industry expertise, offer transparent reporting, and genuinely care about your results. (Hint: inBeat always recommends clarity and proven outcomes.)
