10 May 7 BEST FITNESS INFLUENCER MARKETING AGENCIES
In 2025, fitness brands are turning to influencer marketing agencies not just for reach, but for real impact—building trust, loyalty, and sales through authentic voices. As consumers increasingly look to fitness influencers for product recommendations, routines, and lifestyle advice, agencies that specialize in this niche are becoming key growth partners. These agencies understand the nuances of the fitness space—from gym culture and wellness trends to content formats that perform across Instagram, TikTok, and YouTube.
The best agencies go beyond talent matchmaking; they create performance-driven campaigns that speak directly to the health-conscious consumer. Whether it’s launching a supplement line, promoting fitness wearables, or growing a gym’s digital presence, the right influencer strategy can accelerate visibility and conversions. This list features seven of the best fitness influencer marketing agencies, led by Amra & Elma, that are redefining how brands connect with audiences in motion.
7 BEST FITNESS INFLUENCER MARKETING AGENCIES
- Amra & Elma
- Gymfluencers
- HireInfluence
- The Shelf
- Growth Hackers
- Thrive Internet Marketing Agency
- LYFE Marketing
FITNESS INFLUENCER MARKETING AGENCIES LEADING THE WAY
FITNESS INFLUENCER MARKETING AGENCIES #1. Amra & Elma
Amra & Elma is a top-tier fitness influencer marketing agency based in New York, co-founded by two Forbes-featured entrepreneurs. They specialize in curating highly targeted influencer campaigns that generate measurable returns, particularly in the fitness, wellness, and health sectors. The agency has collaborated with global fitness brands such as Adidas, Lululemon, and Clio. Their strength lies in pairing fitness influencers with brands that prioritize performance and aesthetics. With a robust influencer network and creative production team, they consistently deliver content that performs across social and e-commerce platforms.
They also offer influencer casting, content production, media buying, and analytics. Their campaigns are known for blending authenticity with storytelling, especially on Instagram and TikTok. The agency is heavily data-driven and integrates performance tracking into every campaign. Amra & Elma is well-suited for fitness brands looking to scale while maintaining a premium and aesthetic presence. Their results consistently reflect high engagement rates and improved ROI.
FITNESS INFLUENCER MARKETING AGENCIES #2. Gymfluencers
Gymfluencers is a UK-based fitness influencer marketing agency with a hyper-targeted approach to the gym and fitness niche. They offer brands access to a community of vetted fitness influencers across platforms like Instagram, TikTok, and YouTube. The agency specializes in both micro and macro influencer collaborations, allowing brands to reach local gym-goers and global fitness enthusiasts alike. Their influencer roster includes athletes, personal trainers, bodybuilders, and wellness experts.
Gymfluencers provides full-service campaign management, including creative direction and performance reporting. They’ve worked with fitness tech companies, supplement brands, and activewear lines. Their strong presence in the UK market also enables effective geo-targeted campaigns. Gymfluencers frequently integrates offline events with influencer activations to create immersive brand experiences. The agency is ideal for brands that want to deeply engage with fitness communities. Their campaigns often spark social buzz and increase product trials through trusted voices in fitness.
FITNESS INFLUENCER MARKETING AGENCIES #3. HireInfluence
HireInfluence is a full-service influencer marketing agency with extensive experience in the health and fitness space. The agency has worked with clients like Bodybuilding.com, Orangetheory Fitness, and Men’s Health to execute integrated influencer campaigns. Their focus is on storytelling through lifestyle content that aligns with brand values. HireInfluence curates influencers who reflect real transformation journeys and wellness expertise. They manage the process from influencer discovery to post-campaign analytics.
What sets them apart is their ability to source talent across all levels, including celebrity fitness figures. Their campaigns span across TikTok, Instagram, and YouTube Shorts. They also offer experiential marketing and content licensing as part of their influencer packages. The agency’s meticulous planning ensures campaigns are both creative and compliant. HireInfluence is ideal for brands looking to elevate credibility and reach with long-form and short-form influencer content.
FITNESS INFLUENCER MARKETING AGENCIES #4. The Shelf
The Shelf is a strategy-first influencer marketing agency that blends data science with creative storytelling, especially for wellness and fitness brands. Their campaigns are known for being quirky, highly visual, and tailored to niche audiences. The agency uses proprietary tools to analyze influencer performance and ensure brand alignment. Their team handles everything from strategy to execution, including outreach, briefing, compliance, and reporting. The Shelf has worked with brands like EOS Fitness and Sweet Sweat.
They particularly excel at multi-channel storytelling that spans Instagram, YouTube, and Pinterest. Their creative team crafts compelling narratives that help fitness brands stand out in a crowded space. Their influencer selection process prioritizes authenticity, niche expertise, and real audience connection. The Shelf is perfect for fitness brands that want more than just reach—they want memorable campaigns. The agency is also known for its transparency and excellent client communication.
FITNESS INFLUENCER MARKETING AGENCIES #5. Growth Hackers
Growth Hackers is a performance-focused influencer marketing agency that supports fitness brands looking to grow fast. Their campaigns are grounded in SEO, paid media, and content-driven influencer activations. They combine branding with acquisition, helping fitness clients go beyond awareness and achieve tangible results. Growth Hackers manages influencer marketing across all major platforms and regions. They tailor campaigns to KPIs like app downloads, product sales, or gym memberships.
The agency is known for rapid testing and scaling strategies that minimize risk. They have worked with wearable fitness brands, online training platforms, and nutritional supplement companies. Their team is composed of marketers, designers, and data scientists who work together to optimize performance. Growth Hackers is ideal for tech-driven fitness companies and eCommerce brands. They’re best suited for growth-stage companies aiming for aggressive digital expansion.
FITNESS INFLUENCER MARKETING AGENCIES #6. Thrive Internet Marketing Agency
Thrive Internet Marketing Agency brings a digital-first approach to influencer marketing for fitness brands. They offer full-scale services including social media management, content creation, SEO, and influencer outreach. Thrive blends organic reach with paid social to drive visibility and conversion. They work closely with fitness influencers to produce authentic, engaging content tailored to each platform. Their approach is backed by analytics and ongoing optimization to improve campaign performance.
Thrive has worked with gyms, fitness coaches, wellness apps, and sportswear brands. They prioritize influencer partnerships that reflect the brand’s voice and mission. Thrive offers both one-off campaigns and long-term ambassador programs. Their team is efficient, responsive, and ROI-driven. They are a strong choice for fitness brands that want consistent growth through influencer-powered marketing.
FITNESS INFLUENCER MARKETING AGENCIES #7. LYFE Marketing
LYFE Marketing is a social media-focused agency that offers influencer marketing as part of its broader digital services. They specialize in Instagram and Facebook campaigns for fitness brands and gyms. LYFE’s influencer program centers on engaging everyday fitness enthusiasts who have loyal, active followings. The agency provides content creation, account management, and influencer outreach under one roof. Their influencer selection process ensures alignment with brand tone and target audience.
LYFE also integrates email and ad retargeting into campaigns to improve ROI. Their clients include fitness coaches, supplement brands, and mobile fitness apps. LYFE is known for being cost-effective while maintaining quality. Their reporting dashboards offer transparency and track every dollar spent. They’re ideal for small to mid-sized fitness brands looking to grow through consistent influencer-led content.
CONCLUSION
Choosing the right fitness influencer marketing agency can make the difference between a campaign that simply looks good and one that delivers real results. The agencies listed here bring more than influencer access—they offer strategic insight, content production, and performance analytics tailored to the fast-paced, competitive fitness industry. From Amra & Elma’s luxury-tier campaigns to LYFE Marketing’s budget-friendly execution, each agency brings a unique edge that aligns with specific brand goals.
Whether you’re promoting a wellness app, launching activewear, or growing a local fitness studio, partnering with a specialized agency can help amplify your message through voices that move people. As fitness continues to dominate lifestyle content, brands that invest in influencer relationships backed by strong strategy will stay ahead in 2025 and beyond.