Top Influencer Marketing Agencies In London For 2027

London is one of the world’s main centres for influencer and creator marketing. Several of the largest specialist agencies in the category were founded here, and many global brands run their European creator programmes from London teams. The market now ranges from agencies with hundreds of staff across dozens of markets to focused teams built around a single platform such as TikTok.

The category has also matured. Brands now expect influencer campaigns to be planned alongside paid media, measured against sales or brand lift and supported by proper creator vetting and contracts. The strongest agencies combine cultural instinct with data, technology and media buying.

For this list we checked each agency on its own website for a London office address, influencer or creator marketing as a core service and named client work. Talent management firms and self-serve platforms were excluded. No agency paid to be included, and the order reflects our judgement of strength and fit. For more London lists, visit our London services hub.

London Influencer Marketing Agencies At A Glance

Agency	London Base	Best For	Core Services
Billion Dollar Boy	Bloomsbury, WC1N	Global brands wanting effectiveness-led creator work	Creator partnerships, social content, media, commerce
The Goat Agency	Southwark, SE1	Multi-market campaigns at scale	Creator strategy, paid social, content, commerce
Influencer	Soho, W1F	Consumer brands running large creator programmes	Creator campaigns, creative, media, commerce
Socially Powerful	Fleet Street, EC4A	Brands entering global and Chinese markets	Influencer marketing, social, ARIA analytics
Digital Voices	Fitzrovia, W1W	Tech, apps and gaming brands	YouTube and creator campaigns, data, performance
SEEN Connects	Shoreditch, EC2A	Retail, food and drink, and lifestyle brands	Organic influencer, social management, paid social
Purple Goat	Southwark, SE1	Brands reaching disabled and diverse audiences	Creator marketing, inclusive campaigns, strategy
NewGen	Holborn, WC1V	Gaming, fintech and Gen Z brands	Creator marketing, social strategy, paid media
House of Marketers	Covent Garden, WC2H	DTC brands growing on TikTok	TikTok influencer, Spark Ads, UGC, seeding
SocialChain	Fitzrovia, W1T	Brands wanting creators inside full-service social	CreatorChain, social strategy, community

Best Influencer Marketing Agency Options In London

1. Billion Dollar Boy — IPA-Accredited Social And Creator Agency With Creator Instinct

Billion Dollar Boy is an influencer and creator marketing agency with offices in London and New York. Its London base is Bedford House, 21a John Street, Bloomsbury, WC1N, and it has been operating since 2012. It is part of BDB Group, which also includes Companion, FiveTwoNine and Creator Authority.

The agency describes itself as the social agency with Creator Instinct, its own framework for combining creator partnerships, social content, community, commerce and media. Clients and campaigns named on its site include Argos, IKEA, Puma, Lipton, Stitch Fix and Desperados.

Billion Dollar Boy states that it is the only social and influencer agency accredited by the IPA for effectiveness. It suits large brands that want creator work tied to measurable business results and planned alongside their wider media.

2. The Goat Agency — Global Creator Agency Owned By WPP With Its Own IBEX Tech

The Goat Agency was founded in south London in 2015 and became part of WPP in 2023. Its UK headquarters is at Rose Court, 2 Southwark Bridge Road, SE1, with a second headquarters in New York. Its site reports hundreds of social and influencer specialists working across more than 35 markets.

Goat’s tagline is social-first advertising, powered by creators. Services cover media, discovery, strategy, content and commerce, supported by its own IBEX decision-intelligence technology. Campaigns on its site include Snapdragon at Coachella for Qualcomm, NIVEA, World of Warcraft, Calvin Klein, John Deere and Asahi Super Dry, and its logo wall includes Unilever, Tesco, NatWest, Mars and L’Oréal.

Goat suits large advertisers that want influencer marketing treated like paid media, with performance tracking and consistent delivery across many countries.

3. Influencer — Creator-Founded Agency With Its Own Waves Campaign Platform

Influencer is a creator-centred global marketing agency founded by creators. Its European headquarters is at 51 Great Marlborough Street, Soho, W1F. It describes itself as the largest independent creator marketing specialist.

The agency reports more than 6,000 campaigns delivered, more than 90,000 creators contracted and 92% client retention. Case studies on its site include Spotify, Coca-Cola, ASOS and Monzo, with the Coca-Cola campaign reporting 34.5 million impressions from 33 creators. It also runs Waves, an AI-driven operating system for managing creator campaigns.

Influencer has partnered with Profound on a service it calls Creator-First AEO, which looks at how brands appear in AI search answers. It suits consumer brands that want high-volume creator campaigns with strong operational tooling.

4. Socially Powerful — Global Influencer Agency Using Its ARIA Platform

Socially Powerful is a global influencer marketing agency that has operated since 2017. Its UK headquarters is at 154-160 Fleet Street, EC4A, and it also has offices in New York, Dubai and Beijing.

The agency’s pitch centres on its ARIA platform, which it says covers more than 200 million influencers and supports planning and real-time analytics. Clients named on its site include Amazon, TikTok, L’Oréal, Primark, Red Bull and ULTA Beauty, with Hyundai, Toyota, Lenovo Legion, YSL and Crocs among its client logos. It reports a team of more than 200 people working in over 20 languages.

Socially Powerful states a minimum project size of $50,000. It suits established brands running campaigns across several regions, including those that need reach in China.

5. Digital Voices — Tech-Enabled Influencer Agency Strong In YouTube, Gaming And Apps

Digital Voices describes itself as a global tech-enabled influencer marketing agency. Its London office is at Elsley Court, 20-22 Great Titchfield Street, Fitzrovia, W1W, with a second office in New York. It is now part of PMG.

The agency focuses on full-funnel creator campaigns and says commercial success lies at the intersection of culture and data. Case studies on its site include Adobe Firefly, Expedia, PepsiCo, Magnum, Panasonic, Colgate, Surfshark, Bumble and work for L’Oréal and Ralph Lauren, and gaming is a listed sector. It runs its own campaign management platform, Chord.

Digital Voices does not manage talent, which it says keeps creator selection unbiased. It suits technology, app and gaming brands that want YouTube and creator campaigns judged on performance.

6. SEEN Connects — Shoreditch Social And Influencer Connections Agency

SEEN Connects is a London social media and influencer marketing agency based at Zetland House, 5-25 Scrutton Street, Shoreditch, EC2A. It calls itself a connections agency.

Core services are insight and strategy, organic influencer, social media management and paid social. Featured case studies include Tropicana, Rightmove, eBay at London Fashion Week and The George Collective for George at ASDA, and client logos on its site include Skyscanner, Uber, John Lewis, lululemon, Arla, Waitrose and Nike.

The agency also publishes reports and a podcast under the Connected Thinking banner. SEEN Connects suits UK retail and consumer brands that want influencer work run alongside always-on social channels.

7. Purple Goat — Disability-Led, Inclusion-Focused Creator Marketing Agency

Purple Goat describes itself as the world’s first disability-led, inclusion-focused marketing agency. It is based at Rose Court, 2 Southwark Bridge Road, SE1, and says more than half of its team has lived experience of disability.

Its creator work centres on diverse talent, and brands shown on its site include Channel 4, Unilever, Google, Meta, Tesco, ITV, Starling Bank and Virgin Media, with case studies for Audible and GUIDI. It cites that 24% of the UK population lives with a disability, while only 0.09% of adverts feature disabled people.

Its awards include Creator Marketing Agency of the Year at the ITV bCreator Awards 2025, Best Small Agency at the UK Social Media Awards 2025 and a Cannes Lions Grand Prix for Channel 4 work. Purple Goat suits brands that want authentic, inclusive influencer campaigns.

8. NewGen — Social-First Creator Agency For Gaming, Fintech And Youth Brands

NewGen is a social-first creative and creator agency at New Penderel House, 283-288 High Holborn, WC1V, with further offices in Manchester and New York. It describes its position as the intersection of culture, creators and community.

Clients named on its site include Revolut, KFC, Porsche, Samsung, Pepsi, Cash App, Activision Blizzard and Supercell. A Revolut testimonial says a NewGen collaboration with The Sidemen drove more than 100,000 installs in the first three months. It uses Multiple, its own intelligence platform, for cultural insight and creator matching.

NewGen suits brands targeting younger audiences, particularly in gaming, esports and consumer fintech, that want creator campaigns with cultural credibility.

9. House of Marketers — TikTok-First Influencer Agency Led By An Early TikTok Employee

House of Marketers is a TikTok marketing agency for fast-growing brands, based at 1 Earlham Street, Covent Garden, WC2H. Its co-founder and managing director, Inigo Rivero, is a former TikTok strategy and partnerships manager and one of its early EMEA employees.

Services include influencer marketing, TikTok account management, TikTok ads including Spark Ads, product seeding, ambassador programmes and UGC creation, with campaigns also running on Instagram and YouTube. Brands shown on its site include Red Bull, Apple Music, KFC, Hilton, Western Union, Sephora, MAC, HelloFresh and Nivea. It reports a network of more than 250,000 vetted creators.

House of Marketers suits direct-to-consumer and beauty brands that want to treat TikTok as a primary growth channel.

10. SocialChain — Social-First Agency With A Dedicated CreatorChain Offer

SocialChain is a social-first agency with a London office at 2 Stephen Street, Fitzrovia, W1T, and a base at 127 Portland Street in Manchester. It lists further hubs in New York, Singapore, Amsterdam and Dubai, and its site is co-branded with Brave Bison.

Its creator offer, CreatorChain, manages creator partnerships across marketing channels, and it also runs full-service social with integrated creator management, plus social-first strategy consulting. Recent work on its site includes a large creator campaign for SharkNinja’s Cryoglow mask, Holland & Barrett, KFC and Music on TikTok, and a TikTok creator campaign for DKNY 24/7 Fragrance.

SocialChain suits brands that want influencer work to sit inside a wider social programme, with one agency running content, community and creators.

How To Choose An Influencer Marketing Agency In London

Do You Need Scale Or Specialism?

Agencies such as The Goat Agency, Influencer and Socially Powerful can run campaigns across dozens of markets with large teams and their own technology. Specialists such as House of Marketers (TikTok), Purple Goat (inclusive marketing) or Digital Voices (YouTube, tech and gaming) go deeper in one area. Pick based on where your audience is and how many markets you need to cover.

How Do They Find And Vet Creators?

Ask how the agency checks audience quality, fake followers, brand safety and past sponsored content. Agencies that do not manage talent, such as Digital Voices, argue this keeps creator selection unbiased, while others rely on proprietary platforms. Either way, you should see clear vetting criteria.

How Will Influencer Campaigns Be Measured?

Views and engagement are a starting point, not an end goal. Ask whether the agency can measure sales, app installs, brand lift or search uplift, and how it connects creator content to paid amplification. A London influencer marketing agency with strong media buying will usually report more meaningfully.

Who Owns The Content And The Rights?

Check usage rights, exclusivity and how long you can run creator content in ads. These terms affect both cost and value, so agree them in the contract before any creator is booked.

What Budget Is Realistic?

Fees depend on creator tier, number of markets and paid amplification. Some agencies publish minimums, for example Socially Powerful states a $50,000 minimum project size. Ask each agency to cost the same brief, and see our guide to marketing agency costs in London for typical pricing models.

More London And UK Lists

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• Top Social Media Marketing Agencies In London
• Top PR Agencies In London
• Top Content Marketing Agencies In London
• Top Digital Marketing Agencies In London
• Best London Online Marketing Companies

Conclusion

The best influencer marketing agencies in London range from global creator networks such as Billion Dollar Boy, The Goat Agency and Influencer to focused specialists such as House of Marketers, Purple Goat and NewGen. The right partner depends on your platforms, your markets and how you plan to measure results.

Give two or three agencies the same brief, ask how they vet creators and report on outcomes, and agree content rights up front. For more London service providers, browse the rest of our London lists.