Introduction

Influencer marketing is now a multi‑billion dollar, high‑ROI channel that most brands are either already using or planning to scale. 

Consumer preference has shifted from traditional ads to creator content, creating a huge opportunity for brands to reach, and resonate with, new audiences.

We’ve researched and ranked the UK’s best influencer marketing agencies for brands looking to scale in 2026. 

TL;DR

Key Stats – The Power of Influencer Marketing:

• The global creator economy is estimated at around $253 billion worldwide in 2025, forecast to surpass $2 trillion by 2035 at roughly 23% CAGR (Future Marketing Insights).
• 94% of organisations say creator content now delivers more ROI than traditional digital advertising. 
• Instagram remains the top influencer platform for 57% of brands (OOB). 

The Top 5 Influencer Agencies in the UK Ranked:

1. Our Own Brand  
2. Hypetap
3. InBeat Agency 
4. Disrupt Agency 
5. Socially Powerful

What is influencer marketing?

Influencer marketing is a type of social media marketing where brands partner with individuals with a strong online following (typically a minimum of 10K followers, depending on the platform) to create content for/with the brand. 

Instead of the brand speaking directly through its own ads, it “borrows” the influencer’s trust, reach, and style so recommendations feel more like word of mouth than traditional advertising.

Why is influencer marketing so impactful?

Whether micro or macro, these creators hold real cultural capital. They spark conversations, drive behaviour, and bring your brand into spaces that feel personal, not promotional.

At its core, influencer marketing is about authenticity. It’s about handing the mic to people your audience already trusts and letting them tell your story in a way that feels native to their world. Whether they’re sharing a product review, a behind-the-scenes glimpse, or a full-blown campaign moment, the impact hits differently when it comes from a voice your audience relates to.

In a scroll-happy world, people crave realness. Influencers deliver that, through humour, honesty, and human connection. The result? Brand awareness that doesn’t just grow your numbers, but grows your tribe.

Why partner with an influencer marketing agency?

With the right creators, smart storytelling, and strategic amplification, influencer marketing isn’t just a trend, it’s one of the most powerful ways to drive relevance, resonance, and ROI. 

Looking for an influencer agency to handle all the heavy lifting? Here’s what they can offer: 

🎯 Strategic expertise and better creator fit

• Agencies bring platform‑specific expertise
• They use data tools and experience to match brands with creators whose audience, values, and performance fit the brief, rather than relying on guesswork or follower counts

🤝 Access, negotiation and scale

• Agencies maintain existing relationships and vetted networks, which means faster casting, warmer outreach, and often better rates or added value packages
• They can run multi‑market, multi‑platform programs at scale, handling dozens or hundreds of creators at once in a way most in‑house teams can’t

⏳ Time saving and operational support

• An agency typically manages end‑to‑end operations: briefing, approvals, tracking deadlines, content delivery, and ongoing comms, freeing internal teams to focus on strategy and other channels
• They handle contracts, payment, usage rights and logistics, reducing admin load and lowering the risk of errors or late payments damaging relationships

✅ Compliance, brand safety and consistency

• Agencies monitor ASA/FTC disclosure rules and platform policies, helping campaigns stay compliant and reducing legal or reputational risk​
• They enforce brand guidelines and messaging consistency across multiple creators and waves of activity while still keeping content feeling creator‑led​

📈 Measurement and performance

• Specialist agencies plug in tracking, analytics and reporting, tying influencer activity to KPIs like reach, engagement, traffic and revenue
• With real‑time data they can optimise mid‑campaign (switch creators, tweak formats, adjust spend) if needed

Top Agencies List – Ranking Criteria

Before we dive into the top 5 influencer agencies in the UK, let’s take a look at the criteria used to judge them 👀

1. Reputation and Expertise

This category evaluates how the agency is recognized within the industry, including its public reputation, notable achievements, and specialization.

2. Services Offered

This category focuses on the agency’s core services and unique selling points—what they do best and how they differentiate themselves from competitors in the digital marketing space.

3. Tools and Platforms

This category considers whether the agency provides proprietary tools or platforms, and assesses the quality, usability, and effectiveness of these technologies for campaign execution and performance tracking.

4. Industry Experience

This category reviews the agency’s operational history and the breadth of its experience across industries. It highlights their ability to deliver successful campaigns in various sectors.

5. Client Portfolio

This category looks at the agency’s track record with local and international clients, including key partnerships and the overall diversity and prestige of its client base.

6. Innovation and Technology

This category examines the agency’s use of data-driven strategies, AI-powered tools, automation, and analytics to enhance campaign performance and deliver measurable outcomes.‍

7. Local Market Expertise

This category assesses the agency’s understanding of the local market, including local consumer behavior, the platform trends, and ensuring culturally and legally appropriate campaigns.

The Top 5 Influencer Marketing Agencies in the UK 2026

1. OOB

Our Own Brand (OOB) is a London-based social marketing agency turning brands into cultural icons. From social media management and bespoke content creation to influencer campaigns and paid strategy, they deliver content people talk about, share, remix and remember. Trusted by some of the world’s boldest brands, including TikTok and Ann Summers, OOB creates scroll-stopping work that moves culture and drives results. 

OOB’s approach to influencer marketing: 

1. Strategic Partnerships – They identify influencers who align culturally and aesthetically with your brand, thinking beyond follower count to find creators with real engagement and resonance.
2. End-to-End Management – From outreach and negotiation to briefing, content review, and delivery, OOB handles the full workflow.
3. Creator-Led Content – Influencer collaborations aren’t just about reach, they’re about authentic storytelling. OOB ensures each partnership feels organic, platform-native, and in the creator’s own style (while still being fully brand-aligned).
4. Multi-Platform Flexibility – From TikTok to Instagram, YouTube Shorts to Threads, they match the right voices with the right platforms, optimising for visibility, conversion, and community engagement.
5. Transparent & Measurable – Every influencer campaign comes with clear deliverables, timelines, and performance tracking to ensure ROI and long-term impact.

🌟 Key Clients: 

• SONOS
• TikTok
• Ann Summers
• Natural Cycles
• ZAGG
• Indomie

2. Hypetap

Hypetap is a global, tech-driven influencer agency. Founded in Australia and now operating internationally with offices in Melbourne, Sydney, Singapore, and London, the company provides end-to-end services for brands and agencies to execute and measure influencer programs with a data-backed approach.

Core Services:

• Influence: Managing influencer campaigns from strategy and talent selection to briefing, contracting, and compliance.
• Intelligence: Using its proprietary Hypetap Intelligence tool to analyse over 10 billion data points, providing brands with insights into audience behavior, competitor spending, and campaign ROI.
• Content Production: Creating social assets through its production department, including branded content and “commissioned UGC” (User Generated Content).
• Amp (Amplification): Running creator-led paid social ads, often through “whitelisting” (running ads directly from a creator’s account) to boost authenticity and reach.
• Technology: Providing a centralised dashboard for real-time campaign tracking, brand safety monitoring (to flag hate speech or profanity), and AI-driven influencer matching.

🌟 Key Clients: 

• Depop
• Coca Cola
• Asahi
• Tripadvisor
• Virgin Australia 
• Twinings

3. inBeat Agency

Headquartered in Canada, but with UK-based offices, InBeat Agency blends paid media and micro-influencer marketing to craft creative campaigns that align with your brand. Their strategies are measurable and backed by data, ensuring every effort results in real, tangible performance. InBeat’s approach places curated creators at the heart of our strategy. They rigorously test and select creators from diverse backgrounds and communities, ensuring they align perfectly with your brand’s unique tone.

Core Services:

• UGC Marketing – inBeat handpicks and vets the top 2% of content creators in your niche, ships product to the influencers for content creation, and monitors performance once the content has gone live, so you always know what’s working 
• Micro‑influencer Campaigns – Collaborating with top-performing micro‑influencers to lower customer acquisition costs and improve ROAS, particularly on TikTok, Instagram, and Snapchat
• Paid Media Management – The agency runs paid social campaigns using creator content, combining media buying with constant creative testing and optimisation to scale ad budgets efficiently
• Strategy & Optimisation – They provide data‑driven campaign strategy, influencer selection, and ongoing reporting to improve conversion rates and reduce CPAs
• Global Creator Network – inBeat works with a vetted network of creators (positioned as the top 2% of micro‑influencers) and operates from multiple hubs including North America and Europe

🌟 Key Clients: 

• YouTube
• 7-Eleven
• New Balance
• Bumble
• Nordstrum 
• Disney

4. Disrupt Agency 

Led by BAFTA-winning ex Made In Chelsea star, Stevie Johnson, Disrupt Agency combines the science of audiences with the power of creators to deliver measurable digital success. By understanding audience behaviour, they find influencers who not only connect with your audience but align with your brand values, delivering real, measurable impact.

Core Services:

• Influencer Marketing – Generating influence through precision-led, full-funnel influencer marketing services, ensuring that attention turns into action, and action turns into lasting brand impact
• Paid Social – Activating and managing branded content ads, cross-platform strategies, TikTok Spark ads, and direct activations through brand accounts, engineering campaigns that don’t just show up in feeds but stop the scroll
• Social Media Marketing – 360 strategy that spots trends, steers conversations, and reacts in real-time. Through organic strategy, community management, creative execution, and data-driven analysis, they turn engagement into impact, making sure that every move is intentional, relevant, and results-driven
• Content Production – Creating platform-native, multi-channel content designed to drive action, from photography, video production, editing, and copywriting to influencer collabs

🌟 Key Clients: 

• Huel
• Wasabi
• Evri
• England Rugby
• Fender 
• Netflix 

5. Socially Powerful

🌟 Key Clients: 

• The Body Shop
• TikTok
• The Leffe Kitchen
• The Gym Group
• IT Cosmetics
• Tefal 

Conclusion

Influencer marketing is a cultural engine. In an attention economy, the brands that thrive are those who show up with authenticity, creativity, and the right partners by their side. Whether you’re after niche engagement or mass-market reach, working with a leading agency can be the difference between a campaign that ticks boxes and one that takes off.