London isn’t short on opinions when it comes to influencer marketing. Scroll for two minutes and you’ll see agencies pitching wins for brands you’ve never bought, promising reach you can’t measure, all delivered with a wink and a case study from 2018.
If you’ve been in this world for more than a week, you know the pitch. There’s always a beautifully-lit office, a lot of talk about “authentic creator connections,” and someone claiming to have “cracked the code.” But when you strip away the buzzwords, most brands want the same thing: campaigns that work, creators who connect, and teams who answer their emails.
This guide isn’t written for the PowerPoint crowd, or for anyone still using “influencer” as a catch-all for “person with a ring light.” Each influencer marketing agency in London earned its spot with results you can see—campaigns that turned into sales, creators booked for repeat work, and strategies built for more than just a one-off burst of likes.
If you’re tired of recycled promises and want to see which teams in London are building real partnerships, you’re in the right place. The benefits of influencer marketing extend far beyond simple brand awareness, but only when you choose the right partners.
Progress, in work or in marketing, comes from choosing your collaborators wisely.
List of the Best London Influencer Marketing Agencies
Looking for the shortlist? Here it is . . . just the agencies that delivered. No filler, no “honourable mentions,” and definitely no vague claims about “disrupting the space.”
1. Ninja Promo
Let’s get the awkward bit out of the way: yes, we’re putting ourselves at the top. Bold move or humblebrag? Maybe both. But when you’ve run influencer campaigns that turn browsers into buyers for global brands—and you have receipts to prove it—it would be strange to tuck yourself at the bottom out of shyness.
Ninja Promo isn’t just good at campaigns that “create buzz” and get quietly forgotten by next quarter. We build influencer strategies that move numbers your head of marketing can present at the board meeting (and yes, sometimes we even make the finance team smile).
We blend data, creator chemistry, and a total lack of patience for fake metrics. The result: campaigns that hit targets, creators who genuinely want in, and clients who tend to stick around. If you want an influencer marketing agency in London that responds faster than your internal Slack, meets deadlines, and isn’t afraid to put their own logo at #1—as long as it’s deserved—here we are.
Our approach to influencer strategy development sets us apart—we don’t just match brands with faces, we build frameworks that turn those connections into conversions. And every campaign starts with deep audience analysis, not just follower counts and engagement rates.
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| 📍 Location | 71-75, Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom | |
| ⏳ Founded | 2017 | |
| 🧑💻 Team Size | 101-200 | |
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| 🔝 Best for | Businesses needing hands-on CRO with high-growth targets and complex funnels | |
| 💸 Pricing | Starts at $3,200/month See pricing | |
| 📁 Case Studies | See case studies | |
| Book intro call with us | ||
✅ Why choose Ninja Promo?
- A marketing subscription model that grows with you: With Marketing-as-a-Service, you get instant access to a global team and 24-hour turnarounds—no more waiting for someone to “circle back” next Tuesday.
- Precision, not posturing: We use AI-powered analytics and advanced tracking, so you see engagement rates (up to 8.7%), clickthroughs, and real sales—not blurry impressions.
- Crypto and tech roots: 290+ campaigns in blockchain, fintech, SaaS, and B2B tech. We get regulated markets and know how to make them interesting.
- Campaigns that last: Creators want to work with us again, brands rebook, and our results survive past the initial “unboxing” rush.
- Global scale, London hustle: London-based, but our campaigns run worldwide. Local insight with all the reach you could want, minus the time zone headaches.
If you want a team that still gets a thrill from launching campaigns (and still believes in emailing back the same day), you know where to find us. Ready to meet the rest of London’s hardest-working influencer marketing agencies? They keep us sharp, and they’re just below.
You don’t have to guess what works. Our team at Ninja Promo has already done the hard part—building influencer programs that move real numbers. Want your brand on this year’s shortlist? We’ll walk you through how it happens.
Let’s Chat About Your Project
2. Influencer Matchmaker
If you’ve ever wanted to see celebrity and high-profile partnerships handled without the usual big-agency melodrama, Influencer Matchmaker is the London influencer marketing agency to watch. It excels at connecting brands with names your customers will recognize—and makes the whole process feel refreshingly straightforward.
It runs a curated network of over 2,000 influencers, and its full-service model goes well beyond matchmaking. From booking and talent management to brand management and campaign delivery, it handles celebrity campaigns for names like Disney, McDonald’s, Sky, and easyJet with the kind of attention that turns a big activation into an easy win.
Note: Understanding different types of influencers is essential to effective campaigns, and Influencer Matchmaker excels at matching brands with the right tier and style of creator for their specific goals.
| Details | Information |
| 📍 Location | 17 Hanover Square, London, W1S 1BN, GB |
| ⏳ Founded | 2018 |
| 🧑💻 Team Size | 51-200 |
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| 🔝Best for | Businesses needing hands-on CRO with high-growth targets and complex funnels |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | See its case studies |
✅ Why choose Influencer Matchmaker?
- Specializes in headline-making, celebrity-driven influencer partnerships—without the usual talent agency headaches
- Handles everything under one roof: from discovery and booking to campaign rollout and performance wrap-up
- Trusted by top consumer brands to deliver visible, authentic partnerships that audiences notice
If your next campaign calls for a familiar face and flawless execution, this is the influencer marketing agency in London built to deliver—paparazzi optional.
3. Billion Dollar Boy
When a brand wants creative that lands in people’s feeds—and sticks—Billion Dollar Boy is the agency it calls. It isn’t just about numbers (though it has plenty). This influencer marketing agency in London creates campaigns that people talk about, even after the campaign slides off the “new” tab.
Its proprietary tech platform, Companion, helps brands manage and track every moving part: content, creators, payments, and reporting, all while scaling creative across channels and countries. Billion Dollar Boy works with global networks of 12,000+ creators, generating billions of impressions and plenty of double-takes from the competition. It’s as comfortable rolling out high-gloss launches for BMW as it is driving product trials for emerging DTC brands.
With Instagram influencer marketing still dominating many campaign strategies, Billion Dollar Boy’s visual storytelling expertise is particularly valuable for brands focused on this platform.
Its comprehensive influencer marketing services include specialized analytics that help brands precisely measure influencer marketing impact beyond surface-level engagement metrics.
| Details | Information |
| 📍 Location | 26-28 Bedford House, 21a John St, London, WC1N 2BF, England |
| ⏳ Founded | 2014 |
| 🧑💻 Team Size | 51-200 |
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| 🔝 Best for | Premium brands seeking creative excellence and data-driven performance in large-scale campaigns |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | See its case studies |
✅ Why choose Billion Dollar Boy?
- It treats creative like the main event, not an afterthought—your campaign doesn’t just hit targets, it has a life of its own on social
- Its Companion platform is built for marketers who love control: you’ll see every detail, from creator selection to payments and reporting, without chasing down updates
- Handles launches for brands with busy legal teams and global ambitions, so you get scale and precision (minus the chaos)
If you want your next influencer marketing campaign to look like it had a professional pit crew—and you still want to be proud of it next year—start your shortlist here.
4. Digital Voices
For brands that want their influencer spend to drive full-funnel results—not just brand mentions—Digital Voices is a breath of fresh air.
It was founded by a former YouTube exec, and it shows: everything here is built around creator expertise, analytics you can act on, and a campaign approach that covers every stage from awareness to conversion.
Digital Voices blends influencer campaigns with paid amplification, analytics, and conversion optimization. If you want to see the drop-off between a swipe and a sale, it’ll measure that—and help you fix it. Its in-house platform, Chord, handles campaign management and reporting, so you’re never left guessing what happened (or when).
| Details | Information |
| 📍 Location | Elsley Court, 20-22 Great Titchfield Street, London, W1W 8BE, UK |
| ⏳ Founded | 2017 |
| 🧑💻 Team Size | 51-200 |
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| 🔝 Best for | Brands seeking guaranteed results with full-funnel, conversion-focused campaign management |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | See its case studies |
✅ Why choose Digital Voices?
- Performance and conversions, not just engagement—its “guarantee” model means it wins when you win
- A proprietary campaign management platform so you always know what’s happening, and where your ROI is coming from
- A team that bridges the gap between influencer magic and actual bottom-line results (with happy CFOs to prove it)
If you want campaigns that cover the full customer journey (and reporting that doesn’t just say “awareness up!”), Digital Voices builds influencer programs that mean business.
5. Disrupt Agency
With a name like Disrupt Agency, you’re not expecting “business as usual”—and you won’t get it. This is one of the rare influencer marketing agencies in London that doesn’t just talk disruption, it bakes it into every campaign.
If you want the same tired playbook and cookie-cutter creator lists, look elsewhere. If you’d rather have a team that questions old assumptions, calls out mediocrity, and finds the moments your brand can break through, this is where your campaign takes a U-turn.
Disrupt zeroes in on real audience behavior—where culture and commerce collide online, and what makes people move. It’s not about stacking up “influencer headcount”; it’s about finding the one creator or cultural moment that will shift opinion or click “buy now.”
It’s founded by a former Made In Chelsea star who’s seen both sides of the creator/brand dynamic. So, it’s as comfortable mapping Gen Z attention spans as it is navigating FinTech or steering youth fashion launches.
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| 📍 Location | 22 Charterhouse Square, London, Barbican EC1M 6DX |
| ⏳ Founded | 2010 |
| 🧑💻 Team Size | 11-50 |
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| 🔝 Best for | Brands after campaigns that blend relevance with real audience understanding—especially where culture meets commerce |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | See its case studies |
✅ Why choose Disrupt Agency?
- It blends founder-led industry experience with sharp audience insights, making every campaign feel original (not rehearsed)
- Focuses on the “when” and “why” of influence, not just the “who”—so your campaigns land where it counts
- Known for building long-term creator partnerships and campaigns that keep brands in the conversation, not just trending for a day
If you’re ready to skip safe and try something that might make your competitors sweat a little, Disrupt is the call.
6. We Are Social
If you’re looking for an agency that understands culture—and knows how to make your brand feel like it’s part of the conversation, not just shouting from the sidelines—We Are Social is tough to top. This is London’s original social-first agency, backed by over a thousand specialists across four continents, and a client list that reads like a who’s who of global brand powerhouses.
We Are Social doesn’t just “do” influencer marketing—it maps entire online cultures, subcultures, and those micro-moments that spark trends (or shut them down). Whether you’re planning a cross-channel launch or looking for a team that can balance enterprise-level complexity with TikTok agility, this influencer marketing agency in London is the kind of partner that knows all the right people… and what makes them share, buy, and advocate.
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| 📍 Location | Alphabeta, 14-18 Finsbury Square, London EC2A 1AH |
| ⏳ Founded | 2008 |
| 🧑💻 Team Size | 1,000+ |
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| 🔝 Best for | Global brands seeking culturally-led, multi-market influencer campaigns with big reach and even bigger relevance |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | See its case studies |
✅ Why choose We Are Social?
- Sees social and influencer marketing as a cultural engine, not a broadcast channel—the difference is in the results and long-tail engagement
- Combines local market knowledge with global scale (and a London HQ plugged into what’s genuinely relevant now)
- Trusted by some of the world’s most recognized brands to deliver campaigns that travel, translate, and turn heads
If you want your brand’s next campaign to spark more than just a brief blip in the feed, We Are Social is ready to take you there.
7. SevenSix Agency
Representation starts at the agency table, not just in influencer selection. SevenSix Agency leads the charge for campaigns where diversity and inclusion aren’t just a campaign angle—they’re the foundation. If you’re tired of seeing the same faces in your deck, this is where you go for campaigns that reflect real audiences and spark real connections.
SevenSix specializes in purpose-driven, culture-shaping partnerships for brands that are serious about building teams, campaigns, and content that reflect the real world—not just ticking a diversity box.
Its work spans talent management, consultancy, and campaign strategy, with a knack for pairing brave creative with creators who don’t fit the “influencer tempFrom beauty to tech, social impact to lifestyle, this London influencer marketing agency is the one that press and panels call for commentary on the future of inclusive marketing.
As a specialized micro-influencer agency, SevenSix excels identifies and activates emerging voices instead of chasing established names with large but less engaged audiences.
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| 📍 Location | 62 Frith Street, 1st Floor, London, England W1D 3JN, GB |
| ⏳ Founded | 2019 |
| 🧑💻 Team Size | 2-10 |
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| 🔝 Best for | Brands committed to purpose-led campaigns, inclusion, and meaningful culture change |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | Unavailable |
✅ Why choose SevenSix Agency?
- Works at the intersection of culture and commerce—so brands don’t just “tick the box,” but lead real conversations (and conversions)
- Provides hands-on consulting for inclusive campaign strategy, then brings that vision to life, from talent selection to final reporting
- Regularly recognized by industry panels as the standard-setter for how D&I is done in influencer marketing
If you want your influencer work to open doors and make headlines for the right reasons, SevenSix is your north star.
Still sitting on the sidelines while other brands hog the We collaborate with creators who actually care about your goals, not just their following. If you’re ready for influencer marketing that means something, we’re all ears (and a quick reply away).
Get in Touch Today
8. Summer.
Brands chasing “cultural relevance” usually end up with campaigns that sound like a try-hard aunt on TikTok. Summer. is that rare influencer marketing agency in London with the insider’s map to what’s next—because its team lives, breathes, and sometimes even starts the trends themselves. This boutique shop is the fashion and beauty world’s not-so-secret weapon for influencer marketing that feels truly plugged in.
Summer. specializes in collaborations that hit where culture, style, and conversation meet: it’s not about mass exposure; it’s about making your brand the talk of the right group chats. The team brings deep roots in the fashion, beauty, and lifestyle scenes, using its connections and instincts to transform brands into trusted names among hyper-engaged audiences.
When it comes to influencer pricing, Summer’s industry knowledge is invaluable—they know what’s standard, what’s premium, and where budgets can stretch further without compromising quality.
| Details | Information |
| 📍 Location | 16a Newman Street, London |
| ⏳ Founded | 2016 |
| 🧑💻 Team Size | 2-10 |
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| 🔝 Best for | Fashion and beauty brands seeking insider access to trend-driven creator campaigns and culture-powered results |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | See its case studies |
✅ Why choose Summer.?
- Deep fashion, beauty, and lifestyle expertise—the campaigns come with cultural fluency, not a borrowed playbook
- Uses a boutique, high-touch approach paired with a vast creator network—think “insider” access at scale
- Prioritizes authentic collaborations and community connection over surface-level reach
Need your brand to break through (and stay relevant after the hype)? Summer. puts you in the rooms—and on the screens—that matter.
9. The Goat Agency
If “go big or go home” had a headquarters, it would probably look a lot like The Goat Agency. Goat is the global engine behind thousands of influencer campaigns, a team so steeped in creator culture that its database alone could fill Wembley (and then some).
It’s data-obsessed, results-driven, and ready to execute a cross-continental launch before your coffee order hits the barista.
The Goat Agency stands out for its “performance channel” mindset: influencer work isn’t just content for content’s sake—every brief is engineered toward sales, leads, and bottom-line growth.
With a 400+ strong remote-first team, a proprietary database of over 100,000 vetted influencers, and experience with industry giants from Dell to Wayfair, Goat delivers big-brand polish, lightning-fast activation, and intelligent campaign optimization at global scale.
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| 📍 Location | Rose Court, 2 Southwark Bridge Rd, London, SE1 9HS |
| ⏳ Founded | 2015 |
| 🧑💻 Team Size | 500-1,000 |
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| 🔝 Best for | Brands ready for global scale, serious data, and influencer marketing with measurable impact |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | See its case studies |
✅ Why choose The Goat Agency?
- Developed a data-driven, global influencer machine—if your campaign requires more reach, more platforms, or more speed, it’s probably already been handled here
- Treats influencer as a true performance channel: you get optimization, measurement, and scale without sacrificing creative standards
- A go-to partner when CMOs need to prove ROI on influencer spend, not just stack up likes
If you’re ready to invest in influencer marketing as a core growth channel—and want a partner who’s always thinking three steps ahead—The Goat Agency is your next big move.
10. CEEK
You can’t fake “digital-first,” and CEEK doesn’t try. This Soho-based agency brings serious digital horsepower to influencer marketing—putting strategy, analytics, and creative all under one (very central) roof. CEEK is often the pick for London brands that want their influencer campaigns to plug into everything else: SEO, paid media, content, and brand-building.
CEEK’s proprietary OCMX methodology is built for teams that need more than influencers-for-hire—it’s about strategic alignment, platform-native thinking, and a laser focus on measurable ROI. Its campaigns cover TikTok, Instagram, YouTube, and beyond, always with the back-end reporting and creative wrap that makes marketing (and finance) teams happy.
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| 📍 Location | 1a Chesterfield St, London, London W1J 5JF, GB |
| ⏳ Founded | 2016 |
| 🧑💻 Team Size | 11-50 |
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| 🔝 Best for | Brands seeking integrated digital and influencer marketing with strong reporting and platform expertise |
| 💸 Pricing | Custom quote required |
| 📁 Case Studies | See its case studies |
✅ Why choose CEEK?
- The OCMX framework means influencer campaigns aren’t siloed—they connect with paid, organic, and content efforts for a bigger impact
- Boutique feel with digital agency firepower: you get specialists at every level, not just “account managers”
- Soho location and creative network put your brand at the heart of London’s marketing conversation
When “let’s just try influencers” has stopped working, CEEK’s blend of digital smarts and platform fluency keeps your campaigns in the game—and on the map.
How We Ranked the Top Influencer Marketing Agencies in London
Transparency matters more than trend-chasing, so here’s how this list was built: no awards, no paid placements, no inbox stuffing from agency PR teams. The influencer marketing agencies in London here made the cut by showing work—campaigns that resulted in measurable sales, partnerships that brands rebooked, creative that stayed relevant past launch week, and teams that delivered without drama.
We looked for agencies with diverse, real-world client portfolios (not just the same five brands on a loop). What mattered: industry experience, proof of cross-platform success, and results that go beyond engagement rates or empty reach stats. Agencies needed to show systems for matching brands and creators thoughtfully, performance tracking that withstands hard questions, and a reputation solid enough that previous clients would pick up the phone for a reference.
Put simply: every agency in this list proved it’s changing how brands win it. If you want to see the receipts, just ask.
Why Aren’t Influencers Promoting Your Brand Yet? Let’s Fix That
There’s never been more talent or opportunity in London’s influencer scene, but cutting through the noise takes more than a spreadsheet and a swipe file of “creators we like.” Most brands stall out by leaning on tired formulas or chasing vanity metrics without a shred of strategy.
The right influencer marketing agency in London isn’t just a connector—they’re your creative partner, your reality check, and sometimes the only thing standing between your brand and another wasted “viral” campaign. The teams above have put in the work, built real relationships, and know what it means to deliver.
The influencer marketing landscape in London shifts constantly—one year it’s TikTok, the next it’s KOLs on YouTube or IGC on Instagram. But influencer marketing budgets are still climbing: in 2025, 80% of brands either maintained or increased their influencer marketing budgets, and 47% raised budgets by 11% or more.
There’s more pressure than ever to show what’s working. That’s why your agency choice matters. The teams above don’t just follow the trends—they know how to stretch an influencer campaign budget and pull real results from the swirl of new formats, platforms, and personalities.
Ready to join them and finally see results? Reach out to Ninja Promo and let’s build a campaign your competitors wish they’d thought of first.
