Top Influencer Marketing Agencies in the UK in 2025

All real-time rankings of all platforms and countries are available here.

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Here’s the list of the top influencer marketing agencies in the UK in 2025:

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1. Influencer

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Influencer began life in London in 2017, founded by YouTuber-turned-entrepreneur Caspar Lee and marketer Ben Jeffries with a mission to “turn creators’ followers into a brand’s consumers at scale.” Today the agency blends a full-service creative shop with a proprietary tech stack: Waves manages planning, approvals and payments, while Impact Studio benchmarks every creator against an outcomes-led Impact Score. This data spine—combined with official marketing-partner integrations for TikTok, Instagram and Facebook—gives clients real-time, first-party performance data that goes far deeper than likes or views.

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That measurability underpins Influencer’s end-to-end offering. Campaign teams tap the Impact Score to shortlist talent, orchestrate content production, layer on paid-social amplification and then surface sales, installs or brand-lift metrics in live dashboards. The model has attracted blue-chip brands such as Google, PepsiCo, Vodafone, SharkNinja, Pernod Ricard and Levi’s, earning the shop multiple industry awards and a reputation for combining creative storytelling with spreadsheet-level accountability.

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Influencer also uses its platform to shape the wider creator economy. In March 2025 it published Creator Perspectives, the first study to analyse brand partnerships through creators’ own eyes, and it regularly runs DEI initiatives such as Pride-month spotlight sessions. The company now numbers 90-plus staff spread across London, Manchester, New York, Dubai and Warsaw, while its co-founders’ inclusion in Forbes 30 Under 30 underscores the agency’s status as a vanguard for the sector.

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Top Customers: Google, Coca-Cola, Amazon, Microsoft, TikTok, Snap, Meta

Employee Count: 50 - 100

Starting Budget: ≥ $10K

Year Founded: 2015 (co-founded by Caspar Lee & Ben Jeffries)

Niches Served: FMCG, Tech, Retail/e-commerce, Entertainment & Apps

Office Location: London (HQ) plus New York & Dubai satellite teams

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2. The Goat Agency

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The Goat Agency is a leading social first marketing agency specializing in influencer marketing. With a strong presence in London and New York, the agency focuses on innovative strategies that leverage data and social media trends.

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Goat Agency content themes include influencer partnerships, marketing insights, and industry events, showcasing deep expertise in the creator economy. The agency engages audiences through informative posts, podcasts, and vlogs, emphasizing the importance of authenticity and community in marketing.

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Goat Agency continues to push the envelope by pairing data powered insights with creator collaborations that deliver measurable growth for brands. Recent campaigns for global clients such as UEFA, Dell, and NIVEA spotlight a rigorous test and learn approach, transparent reporting, and agile content production. This commitment to real time optimisation cements Goat Agency as a trusted partner for marketers seeking tangible ROI within the fast moving social media landscape.

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Top Customers: Dell Technologies, Audi, HBO, Under Armour, WorldRemit 

Employee Count: 501-1000

Starting Budget: ≥ $1k

Year Founded: 2015

Niches Served: Automotive, Beauty, Fashion/Retail, Food & Beverage, Tech/Apps, Gaming, Luxury

Office Location: London (UK HQ), New York (USA), Singapore

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3. Digital Voices

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Founded in London in 2017 and now anchored in both the UK and New York, Digital Voices has carved out a reputation for treating influencer work as a performance channel, not a vanity project. The female-led team—crowned Influencer Marketing Agency of the Year in 2022—builds campaigns that move the full funnel for blue-chip brands such as Unilever, Yoplait and Adobe. Their mantra, “we only win when you win,” underpins a commercial model that contractually guarantees agreed outcomes, giving CMOs the same accountability they expect from paid search or programmatic display.

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What sets the agency apart is its in-house tech stack. Chord, an end-to-end influencer workflow and measurement suite, plugs directly into social-platform APIs; its newer Gen-AI companion Composer layers predictive insights on top, helping planners select creators, forecast lift and optimise spend while a campaign is still live. The platform was shortlisted for Best Influencer Marketing Platform at the 2024 Global Influencer Marketing Awards and has fuelled a 155 percent revenue surge in just two years.

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Because the data is so granular, Digital Voices can go “hyper-local”—matching creators to postcode-level audiences, niche interests or underserved language groups—yet still roll the work out globally across 40-plus markets. That localisation focus dovetails with the agency’s wider commitment to the Creator Economy: recruiting a diverse bench of talent, paying fair rates and co-developing content that resonates authentically with each community it reaches. It’s a model that keeps both brands and creators invested for the long haul and positions Digital Voices as a true growth partner rather than a one-off campaign supplier. 

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Top Customers: Unilever, Yoplait, Adobe, Duolingo

Employee Count: 51-200

Starting Budget: ≥ $1K

Year Founded: 2017

Niches Served: CPG, Ed-tech, SaaS, Gaming, Lifestyle

Office Location: London (HQ), New York, Dubai

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4. Socially Powerful

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Socially Powerful is a global influencer marketing agency with a strong social media presence. The agency focuses on connecting brands with culture through innovative strategies and tools such as the AI powered influencer discovery platform Aria.

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Content on Socially Powerful channels features behind the scenes vlogs, campaign insights, and industry discussions that appeal to marketing professionals and aspiring entrepreneurs. With a commitment to transparency, the team shares the realities of agency life while generating significant revenue and employing a diverse team of experts.

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Socially Powerful continues to expand its global footprint, opening offices in Dubai, Los Angeles, and Shanghai to serve a growing roster of Fortune 500 partnerships. A proprietary data funnel feeds real time social listening into Aria, enabling rapid campaign optimisation and measurable lifts in ROI. Recent wins include a TikTok shopping activation that generated an eight figure sales surge for a sportswear client and a Weibo takeover that trended at number one in China. This momentum positions Socially Powerful as the go to authority for brands committed to authentic cultural relevance.

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Top Customers: TikTok , L’Oréal & ULTA Beauty, Amazon

Employee Count: 50 – 200

Starting Budget: ≥ $1K

Year Founded: 2017

Niches Served: Beauty, Luxury, Gaming, Sports, Tech, e-commerce

Office Location: London (HQ), Los Angeles, Dubai, Beijing & Shanghai

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5. Billion Dollar Boy

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Founded in 2014 by Edward East, Billion Dollar Boy has grown from a London start-up into a 150-plus-strong network with studios in New York and New Orleans. The agency’s creator-first model lets global giants such as Unilever, Heineken, Nintendo and King tap directly into fresh, authentic voices across TikTok, Instagram, Twitch and emerging channels. Every campaign pairs in-house art direction with a vetted roster of niche and mainstream talent, resulting in stand-out concepts that win Cannes Lions, Influencer Marketing Awards and regular press coverage in Campaign and Adweek.

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Under the hood, BDB’s proprietary “Companion” platform streamlines talent discovery, contracts, usage-rights management and real-time performance reporting, giving brand teams a single dashboard from pitch to post-mortem. That data backbone means foodie nano-creators in Manchester can be benchmarked against beauty macro-influencers in Miami, while legal teams sign off content with one click—crucial for regulated verticals like alcohol and personal care.

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Beyond the numbers, the agency puts purpose and representation at the centre of its work. BDB’s #InfluenceEquality pledge commits the shop to 50% female and 30% minority creators on every brief, and internal ERGs help shape inclusive storytelling that resonates across cultures. By fusing craft, technology and ethics, Billion Dollar Boy continues to set the pace for what influencer marketing will look like in the next decade.

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Top Customers: Heineken, P&G North America, Bacardi, Meta, Nintendo

Employee Count: 51-100

Starting Budget: ≥ $1K

Year Founded: 2014

Niches Served: CPG, Alcohol, Fashion/Luxury, Entertainment & Gaming

Office Location: London (HQ), New York, Paris (2024 expansion)

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6. Purple Goat Agency

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Purple Goat Agency positions itself at the intersection of social impact and commercial performance. Founded in 2020 by disability-advocate Steven Bartlett and influencer-marketer Mike Adams, the agency was built on the insight that one in five Britons—and more than 1.3 billion people worldwide—identify as disabled. By placing disabled creators at the heart of strategy, ideation, and production, Purple Goat helps brands move beyond token DE&I statements to storytelling that resonates authentically and unlocks a share of the estimated $8 trillion disability economy.

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What sets the team apart is its end-to-end approach: proprietary community panels vet creative to ensure representation and accessibility, while in-house campaign analysts track brand-lift and sales-conversion metrics just as rigorously as any mainstream media buy. From Tesco’s “Invisible Disabilities” awareness push to Meta’s accessibility hackathons, their case studies illustrate how inclusive content delivers both purpose and profit. Through thought-leadership webinars, LinkedIn live sessions, and a steady stream of TikTok explainers, Purple Goat continues to raise industry literacy on disability marketing—proving that when campaigns are built for everyone, everyone wins.

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Top Customers: Tesco (accessible-toilets campaign), Neatebox, Kakana fitness

Employee Count: 11-50

Starting Budget: ≥ $1K

Year Founded: 2020

Niches Served: Disability & Inclusion, FMCG, Retail, Entertainment, Sport/events

Office Location: London (HQ) 

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7. Buttermilk

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Buttermilk styles itself as a “community-first creator agency” and backs that up with scale: 129 staff spread across London, Miami and Dubai curate campaigns with access to 270 k-plus creators worldwide. The shop is deliberately talent-agnostic—it never pushes a closed roster, preferring to scout fresh voices that fit each brief—so its case studies range from Armani Beauty’s #ConfessToConceal TikTok push to Primark’s U.S. store-opening road-show.

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Central to its methodology is the Brand Fans framework, which turns genuine product lovers into micro-advocates before layering paid reach; that formula has already earned 13 gold trophies and 30 shortlist nods in global influencer awards. Scroll through the agency’s Instagram and you’ll see the ethos in action: vibrant “Get Buttered Up” parties, creator workshops, and panels that spotlight women and other under-represented talent while celebrating big wins for partners like Gap and Armani Beauty. By fusing peer-to-peer storytelling, real-world experiences and an explicit commitment to diversity, Buttermilk positions itself as both a growth engine for brands and a career incubator for the next wave of creators.

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Top Customers: Dior Beauty, Armani Beauty, Primark USA

Employee Count: 100 - 130

Starting Budget: ≥ $50K

Year Founded: 2016

Niches Served: Beauty, Luxury Fashion, Fragrance, Mass-market Retail

Office Location: Miami (US HQ), Dubai (Media City), London (UK HQ)

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8. Influencer Matchmaker

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Influencer Matchmaker curates a roster of celebrities, macro-creators and niche specialists so brands can plug straight into audiences that already trust the messenger. From micro-TikTokers with cult followings to red-carpet names, every talent is screened for demographics, tone of voice and past brand affinity to ensure authentic storytelling—not just one-off reach spikes.

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Once the right face is chosen, the agency runs the entire workflow end-to-end: creative briefing, contract negotiation, ASA-compliant disclosure, content approvals and paid-social amplification. Post-campaign dashboards surface hard metrics such as impressions, engagement-rate lift and attributable sales, giving marketing teams the evidence they need for board-level reporting.

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Sector breadth is a hallmark—recent feeds spotlight cruelty-free beauty launches, mental-health fitness apps and upcycled-fashion drops, alongside long-term charity partnerships that embed sustainability messages. By combining sector expertise with rigorous data insights, Influencer Matchmaker consistently turns influencer buzz into measurable brand equity and lasting consumer loyalty.

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Top Customers: Disney, McDonald’s, Sky, easyJet, Dell

Employee Count: 51-200

Starting Budget: ≥ $1K

Year Founded: 2018

Niches Served: Celebrity & lifestyle, Fashion/Beauty, Home & Parenting, Sports personalities

Office Location: Loughborough (Head Office) & London (Mayfair)

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9. NewGen (Kairos Group / Kairos Media)

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NewGen—formerly known as Kairos Media—is a social-first creative agency that made its name by fusing data-driven strategy with thumb-stopping storytelling. With roots in gaming and Gen-Z culture, the team now engineers cross-platform campaigns that span TikTok, Instagram, Twitch and emerging channels, always optimising for shareability and measurable growth.

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On TikTok, NewGen’s feed doubles as a living case study: short-form sketches and behind-the-scenes clips mix humour with actionable marketing insights, signalling that the agency both understands and shapes platform culture. Regular shout-outs to collaborations with heavy-hitters like Pepsi Max and Cetaphil reinforce their ability to translate playful ideas into commercially successful branded content.

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Across all touchpoints, their posts spotlight office life, rapid-fire brainstorming sessions and “real-time trend” breakdowns—painting a picture of an agile, collaborative workforce. For brands seeking modern, culturally attuned marketing solutions, this combination of transparency, expertise and creative energy positions NewGen as a partner that can keep pace with the ever-shifting social landscape.

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Top Customers: PepsiCo, Activision-Blizzard, Ubisoft

Employee Count: 100 - 150

Starting Budget: ≥ $10K

Year Founded: 2015

Niches Served: Gaming & Esports, Sports, FMCG, Entertainment, Youth Fashion

Office Location: London (HQ), Manchester, Los Angeles

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10. Brainlabs (fka Fanbytes)

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Founded in London in 2012 by former Googler Daniel Gilbert, the company has grown to more than 1,000 “Brainlabbers” working from hubs in London, New York, Austin, Singapore, Sydney and Bengaluru, giving clients genuine follow-the-sun execution. Its 2022 acquisition of Gen-Z influencer specialist Fanbytes expanded Brainlabs’ creator-marketing fire-power and showed how the agency uses M&A to plug emerging-channel gaps at speed.

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That test-and-learn culture keeps winning silverware: in 2024 Brainlabs took Google’s Agency Excellence Award for Creative Coverage in EMEA and the Performance Marketing Award for Best Experimental Campaign with Estée Lauder Companies. A scroll through its social feeds reveals weekly “Labs Live” webinars, hack-days and shout-outs for individual milestones—evidence of a transparent, collaborative culture where innovation and recognition go hand-in-hand.

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Top Customers: Samsung, H&M, Estée Lauder, Mattel, Ubisoft, Nike, Deliveroo, Missguided

Employee Count: 501-1,000

Starting Budget: ≥ $5K

Year Founded: 2017

Niches Served:  Gen Z and Millennial audiences on TikTok, Instagram, YouTube & Snapchat; strong track-record in music/entertainment, fashion & beauty, gaming and food-delivery apps

Office Location: HQ influencer unit at 41 Tabernacle St, Shoreditch, London EC2A 4AA (within Brainlabs’ London campus)

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