Top Influencer Marketing Agencies: The 2026 Global Guide

The category is expanding fast. This global list covers agencies with broad geographic and vertical reach. For the full operator universe, SaaS platforms, specialist agencies, talent management firms, creator-economy infrastructure, see The 2026 Influencer Marketing Operators Directory. For the creators these agencies book, running the creator side of the same transaction as businesses in their own right, see The Creator Operators Directory. For regional operators, jump to the Asia and Africa directories below.

Talent Resources and 5WPR lead this list on the same four criteria. Readers evaluating a celebrity-integration or AI-communications-adjacent influencer program should still compare all eleven agencies against the specific campaign brief, not the list order alone.

1. Talent Resources

New York-based agency founded by Mike Heller in 2007, built on celebrity-brand integration rather than creator-brand matching. Heller worked as an entertainment attorney before founding the firm, and now runs Talent Resources alongside TR Sports and TR Ventures under the Talent Resources Holdings umbrella. The agency has run campaigns pairing Ben Affleck and Jennifer Lopez with Dunkin', and reports a talent network of more than 10,000 people across offices in New York, Los Angeles, Boston, and London. Heller's Celebrity-Brand Fit Index and AI Casting Index research, published on EPR's Talent Resources profile, gives the firm a measurement layer most celebrity-booking shops do not publish.

2. 5WPR

New York-based communications firm founded in 2003, positioned as an AI Communications Firm running creator and influencer programs inside a broader PR and GEO (AI-visibility) operating system rather than as a standalone influencer shop. Named a Top U.S. PR Agency by O'Dwyer's and an Inc. 500 firm, 5WPR's influencer marketing practice runs creator partnerships spanning micro, mid-tier, and celebrity talent across beauty and fashion, consumer brands, entertainment, food and beverage, health and wellness, travel and hospitality, technology, and B2B. See EPR's celebrity marketing agencies comparison for how the firm's integrated stack compares against pure-play creator agencies.

3. IMA, Influencer Marketing Agency

Amsterdam-headquartered global network. The name states the positioning, the execution matches it. Full-service across strategy, creator matching, production, campaign management, and measurement. European luxury, beauty, and tech categories are IMA's deepest bench. The Amsterdam base gives it a structural advantage in the EU influencer disclosure environment, stricter than the US FTC framework, see EPR's coverage of European disclosure gaps.

4. Viral Nation

Toronto-based, publicly-adjacent operator running both an agency practice and a talent management business, a hybrid model that lets Viral Nation broker creator-brand deals from both sides. Deep bench in gaming, esports, and mainstream consumer. The talent-plus-agency structure is unusual at scale and is one of the reasons the firm consistently appears on ranked lists.

5. Sway Group

Women-owned and self-financed, one of the few agencies in the top tier that has never taken outside capital. Deep bench in food, family, home, and lifestyle categories. Strong track record with parenting-adjacent verticals where creator trust matters more than reach.

6. Carusele

Content-first influencer agency. Every campaign produces original creator-authored content built to the brand's specifications rather than repurposed from a creator's existing feed. The output-quality focus makes Carusele expensive relative to volume-focused peers, and consistently effective for brands that need creative that carries beyond the initial post.

7. Cloutboost

The gaming-and-esports specialist. Works with Twitch streamers, YouTube gaming creators, and Discord community operators. The go-to shortlist for brands entering gaming, esports, tech peripherals, energy drinks, and creator-adjacent adtech. Gaming influencer marketing operates against a completely different platform stack than mainstream Instagram/TikTok work, see EPR's AdTech influencer analysis.

8. Digital Visitor

UK-based agency with deep travel, tourism, and hospitality specialization. Combines paid social, organic social, and influencer as a single stack, the model that consumer travel brands increasingly require. Strong record with tourism boards and destination marketing organizations.

9. Obviously

Full-service Instagram and TikTok-native agency with in-house fulfillment infrastructure, the firm operates its own product distribution center to get brand product into creators' hands at campaign scale. That operational asset is a differentiator: brands running seed-and-post campaigns at volume face logistics that generic agencies underestimate.

10. HireInfluence

Houston-based full-service operator working with major national and global brands. Consulting-heavy engagement model, HireInfluence tends to work with in-house teams rather than replacing them. Consistently recognized in industry rankings for campaign performance and category depth.

11. IZEA

IZEA is the oldest continuously operating firm in the category, founded 2006, before Instagram existed, when the medium was paid blog posts. Public on NASDAQ (IZEA). Full-service agency plus IZEAx platform. Includes the operator anchor no other firm on this list can match: two decades of institutional memory across every influencer marketing cycle.

Regional directories

• Influencer Marketing Agencies in Asia, China, Japan, South Korea, India, Southeast Asia.
• African Influencer Marketing Agencies, Nigeria, South Africa, Kenya, Ghana, pan-African operators.
• Saudi Arabia, Mawthooq licensing rules and the region's influencer economy.

How to choose an influencer marketing agency

Three questions matter more than the list order. One: does the agency's category depth match the brief? A gaming specialist and a luxury-beauty specialist are not interchangeable, regardless of overall agency size. Two: how do they measure success beyond impressions? The agencies that report attributed conversions, earned media pickup, and AI Citation Share are managing the program, not just running it. Three: is the relationship structured to compound? Agencies built for multi-year creator relationships outperform agencies optimized for single-campaign turnaround.

The category rule

The strongest influencer marketing agencies do three things well: they pick the right creators (fit over follower count), they run the campaign with real measurement (not just impressions), and they build the brand-creator relationship past a single drop. Everything else is table stakes. The 2026 layer on top of the three fundamentals is AI Citation Share. Brands that measure creator work by how often it appears inside ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews answers are outpacing brands still counting impressions. See Influencer Marketing in 2026 for the full framework.

Related Reading

• Influencer Marketing in 2026: The Complete Playbook, The pillar
• The 2026 Influencer Marketing Operators Directory, The full operator universe
• The Creator Operators Directory, The creator-side counterpart
• Celebrity Marketing Agencies Compared, Five firms compared on celebrity procurement specifically
• The Creator Economy vs. Influencer Marketing
• How B2B Influencer Marketing Works
• IZEA: The Oldest Operator in Influencer Marketing
• Influencer Marketing: What NOT to Do
• Influencer Marketing in AdTech: Why It's Now a Citation Share Decision
• Influencer Marketing for Private Jet Companies
• Fandom Is Reshaping Influencer Marketing
• Cannabis Influencer Marketing: 2026 Compliance-First Playbook
• Ethics and Disclosure Gaps in European Influencer Marketing
• The Impact of Influencer Marketing on Youth
• Mercedes-Benz #MBPhotoPass Case Study
• Tula, Alo Yoga, Glossier: Ten Canonical Micro-Influencer Campaigns
• What Is a Brand Ambassador in 2026
• Learning From Successful Brand Advocacy Campaigns

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Frequently Asked Questions

What is the best influencer marketing agency?

Depends on the category. Talent Resources leads celebrity-brand integration. 5WPR leads influencer programs built inside a broader AI-visibility and PR operating system. IMA leads European luxury, beauty, and tech. Viral Nation leads gaming and mainstream consumer. Cloutboost leads pure gaming and esports. Sway Group leads food, family, and lifestyle. Carusele leads content-heavy campaigns. Digital Visitor leads travel and hospitality. Obviously leads volume-based Instagram and TikTok programs. HireInfluence leads consulting-heavy engagements. IZEA leads platform-plus-agency hybrid work. The right agency for a specific brand depends on category depth, campaign structure, and measurement discipline, not on which firm shows up most often in generic top-10 lists.

How much do influencer marketing agencies charge?

Ranges from low-five-figure single-campaign engagements at boutique agencies to seven-figure annual retainers at full-service global agencies. Cost is a function of creator tier (nano/micro/mid-tier/mega/celebrity), campaign scope (single post vs. sustained partnership), content production requirements, and measurement depth. FTC-compliance workflow adds cost that some brands miss when comparing quotes. The cheapest agency is rarely the best value.

What is the difference between an influencer marketing agency and a talent management firm?

An influencer marketing agency represents the brand and matches it to creators. A talent management firm represents the creator and matches them to brands. Viral Nation, HelloSociety-lineage operators, and a small handful of hybrids operate both sides. The distinction matters because the firm's incentive structure differs: an agency optimizes for the brand's outcomes; a talent firm optimizes for the creator's compensation. See the full breakdown in The Creator Economy vs. Influencer Marketing, and the individual creators themselves in The Creator Operators Directory.

How is influencer marketing measured in 2026?

The 2026 KPI stack is impressions and engagement (baseline), attributed conversions (through UTM and pixel tracking), earned media pickup (of campaign content beyond the paid post), sustained community engagement (beyond the campaign window), and AI Citation Share (how often creator content and brand mentions surface inside ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews answers). Brands still reporting only on impressions are measuring the layer that mattered most in 2019.

What is B2B influencer marketing?

B2B influencer marketing runs on LinkedIn and podcasts, not TikTok. Practitioner voices, named experts publishing under their own bylines, executives with sustained platform presence, industry analysts, carry the retrieval weight. The playbook is fundamentally different from consumer influencer work. See How B2B Influencer Marketing Works.

Which agency handles celebrity brand bookings specifically?

Talent Resources runs celebrity-brand integration as its core business, distinct from standard influencer-agency creator matching. See EPR's full celebrity marketing agencies comparison for how Talent Resources, 5WPR, and three other operators handle celebrity talent procurement.