Influencer Marketing Agencies in 2025
The Influencer Marketing Forum bridges the gap between brands and influencers. We help businesses search for the most suitable influencers for their campaigns in a variety of digital channels. We have compiled today’s leading Influencer Marketing Agencies to help you kickstart your campaigns.

The Shelf
The Shelf is a full-service influencer marketing creative and strategy agency with headquarters in Georgia and New York. Despite being a young agency, it’s rapidly growing and has been featured in notable media publications like Forbes, Entrepreneur, and Inc. 5000.

Fishbat
Fishbat is a full-service digital marketing agency with locations in New York and North Carolina. Founded in 2011, the team is made up of well-established digital marketing strategists, web developers, and SEO experts. They focus on building tailored digital marketing programs for global clients, delivering more leads and sales, and solving different operational challenges.

Metric Theory
Metric Theory is a digital marketing agency and advertising company based in San Francisco, California, United States. It was founded in 2012 and has satellite offices in New York City, Orange County, Denver, and Salt Lake City. With more than 100 creative team members and developers, the agency has developed specialized marketing strategies and unique advertising campaigns for over 500 clients around the world.

Viral Nation
Viral Nation is a global digital marketing agency based in Mississauga, Ontario, Canada. Established in 2014, the agency is considered a pioneer in influencer marketing, social media marketing and management, talent representation, and content production. Moreover, it delivers the following services:

Fanbytes
Fanbytes is one of the leading influencer and social media marketing agencies in the United Kingdom. Established in 2015, the agency helps brands across the world engage with Gen Z and millennial audiences. It specializes in TikTok marketing and also creates influencer campaigns on Instagram, Snapchat, and YouTube.

HireInfluence
HireInfluence is a full-service influencer marketing agency with offices in California, New York, and Texas. Founded in 2012, the agency has been recognized as an elite influencer company, developing creative content strategies, producing intent-driven influencer campaigns, and providing comprehensive campaign analytics.

Open Influence
Open Influence is a data-driven and creative influencer marketing agency based in Los Angeles, California. It also has satellite offices across the globe, offering support in 15 languages. The agency’s primary services involve developing social media strategies and managing influencer marketing campaigns on Facebook, Pinterest, YouTube, Instagram, TikTok, and other social media platforms.

Cloutboost
Cloutboost is a full-service gaming influencer agency situated in the heart of Silicon Valley, California. Founded in 2017, the agency is committed to helping brands effectively reach out and engage with millions of users, particularly in the gaming community. Specifically, it offers the following services:

IMAgency
The Influencer Marketing Agency (IMA), popularly known as “IMAgency,” is a leading full-service digital influencer marketing agency based in Amsterdam, The Netherlands. It was founded in 2010 and has earned its reputation as an expert in online marketing, content creation, and social media engagement.

Socially.in
Socially.in is a social media agency based in Birmingham, Alabama. Founded in 2011, the agency helps businesses across various industries formulate effective social media marketing strategies. This is done through creative and production services, paid social advertising, community management, influencer marketing, and other social media advertising stints.

Sway Group
Sway Group is a private content and influencer marketing agency based in Corte Madera, California. It’s one of the largest and most prominent groups in the state managed by female professionals. For over a decade now, the agency has been providing a wide range of services to different clients, including:

The Influence Agency
The Influence Agency is an advertising agency that specializes in traditional, digital, and influencer marketing strategies for brands and influencers worldwide. Its services and expertise are organized into three major branches: Marketing, Social Advertising, and Creative.

Stack Influence
Stack Influence is one of the leading influencer marketing agencies that connects e-commerce brands with customers through effective online campaigns and micro-influencer collaborations. It particularly taps Amazon merchants to help promote and sell their products on the platform and across multiple social media networks. The key advantage of working with the agency is that it’s founded by seasoned Amazon and e-commerce sellers.

Rainfactory
Rainfactory is a full-service digital marketing company that offers marketing strategy development and advertising services to e-commerce and enterprise brands. It specializes in online marketing strategy, customer acquisition, performance marketing, and lead generation. The agency also manages a brand’s paid search, conversion rate, and website development.

Influencer Matchmaker
Like relationships, influencer marketing needs a perfect match. And Influencer Matchmaker is the best agency that brings brands and influencers together. Whether you’re looking for vloggers, Instagram creators, or celebrities, Influencer Matchmaker can source the ultimate talent for your brand.