5 Influencer Marketing Agencies Worth Knowing in the US

Jay Payne
Written by
Jay Payne
Last edited: Sep 3, 2026

Looking to turn creator partnerships into real revenue? These five US agencies are reshaping how brands connect with audiences—each with a distinct playbook.

The Influencer Marketing Landscape in 2026

Influencer marketing has matured from a trend into a core growth channel. Brands are no longer satisfied with vanity metrics; they demand measurable ROI, authentic alignment, and seamless execution. Agencies that thrive today combine data-driven creator matching with full-service campaign management. The best ones also offer transparency in reporting and pricing, so you know exactly what you're getting. As the creator economy expands, the agencies that adapt to new platforms and evolving consumer trust will lead the pack.

How We Evaluated These Agencies

We assessed each agency on service scope, pricing clarity, platform coverage, and how well they fit different brand needs. We looked for end-to-end capabilities, from discovery to analytics, and how they handle contracts and creative. We also considered their track record with brands and creators, plus their ability to scale campaigns. Each agency brings a unique strength, so we highlight what stood out for each rather than declaring a single winner.

Here's a quick snapshot of the five agencies, their core focus, and who they're best for.

ProviderBest For
ObviouslyEnterprise brands needing massive scale and advanced analytics
SplicewayBrands seeking a hands-on, full-service partner with strong ROI focus
MonksBrands looking for integrated marketing solutions with a creative edge
INFLUENCERBrands that value creator-led creativity and performance marketing
Neon RoseBrands seeking a curated roster of lifestyle and wellness creators

The Agencies at a Glance

#1 Obviously

Screenshot of Obviously website A screenshot of the Obviously website.

Obviously is a heavyweight in the influencer marketing space, trusted by Fortune 500 brands for large-scale campaigns. Their proprietary AI and analytics dashboard give you real-time insights and brand safety checks, which is crucial when you're managing thousands of creators. They've served over 152,000 collaborations and generated billions of organic impressions, proving their ability to scale. If you need a custom creator network with first-party data ownership, Obviously delivers. Their end-to-end services cover everything from vetting to activation, making them a solid choice for enterprise-level brands.

#2 Spliceway

Screenshot of Spliceway website A screenshot of the Spliceway website.

Spliceway is a full-service influencer marketing agency that focuses on strategic matching and measurable ROI. They've served over 20 brands and 100 creators, with an average campaign ROI of 12x and a 98% satisfaction rate. Their process is simple: brief and discovery, influencer matching, campaign execution, and analytics reporting. They handle contracts, creative briefs, and timelines, so you can focus on your business. Spliceway is ideal for brands that want a hands-on partner without the complexity of managing multiple vendors. Their emphasis on authentic alignment ensures your message resonates with the right audience.

#3 Monks

Screenshot of Monks website A screenshot of the Monks website.

Monks is a global influencer marketing agency that blends creativity, media, and technology to drive brand growth. They offer five practice areas: creator community AOR, influencer campaigns, UGC at scale, affiliate marketing, and live experiences. Their case studies show impressive results, like a 432% sales spike for Pringles during a live event. Monks excels at integrating influencer marketing with broader marketing orchestration, making them a great fit for brands that need a holistic approach. They also provide end-to-end management and performance analysis, ensuring your campaigns are optimized for impact.

#4 INFLUENCER

Screenshot of INFLUENCER website A screenshot of the INFLUENCER website.

INFLUENCER is a global agency founded by creators, so they deeply understand the creator mindset. They focus on creative, media, and commerce, with creator campaigns delivering 91% higher view-through rates and 3.3x higher ROI than standard digital ads. Their AI-driven operating system, Waves, streamlines everything from creator shortlisting to payments, making the process efficient for both brands and creators. They offer bespoke solutions like affiliate marketing and content production, giving you flexibility in how you collaborate. If you want a creator-first approach that drives performance across the funnel, INFLUENCER is a strong contender.

#5 Neon Rose

Screenshot of Neon Rose website A screenshot of the Neon Rose website.

Neon Rose is a full-service influencer talent management agency representing over 100 creators across wellness, fashion, travel, and lifestyle. They've managed over 12,000 campaigns and facilitated $60M+ in brand deals, showcasing their experience. Their platform, Eden, streamlines campaign management, from brief to delivery, and provides a single point of contact for brands. They curate talent matches based on audience, values, and goals, ensuring authentic partnerships. Neon Rose is perfect for brands that want access to a vetted roster of creators with a personal touch.

How to Choose the Right Influencer Marketing Agency

Start by defining your campaign goals—are you looking for brand awareness, conversions, or long-term partnerships? Consider your budget and whether you need a full-service agency or just help with specific tasks like discovery or analytics. Look at the agency's track record with brands similar to yours, and ask about their reporting and communication style. If you value hands-on management and ROI transparency, Spliceway might be your fit. For enterprise scale, Obviously or Monks could be better. If you want a creator-first approach, INFLUENCER or Neon Rose offer unique strengths. Always ask for case studies and client references to gauge their real-world impact.

Streamlining Your Campaign with Automation

Many agencies now use AI and automation to streamline influencer marketing. For example, INFLUENCER's Waves platform automates creator shortlisting, contracting, and payments. Obviously's dashboard provides real-time analytics and brand safety checks. Spliceway uses data-backed strategies to match creators and track performance. When you work with an agency, ask how they use automation to improve efficiency and reporting. This can save you time and ensure your campaigns run smoothly.

The Bottom Line

Choosing the right influencer marketing agency depends on your brand's size, goals, and preferred level of involvement. Spliceway offers a balanced, full-service approach with strong ROI focus, making it a great starting point for many brands. Obviously and Monks excel at scale and integration, while INFLUENCER and Neon Rose bring creator-centric creativity and curated talent. Evaluate your needs, ask the right questions, and you'll find a partner that turns influencer marketing into a growth engine.

Jay Payne

About the Author

A veteran investigative journalist for 4 years, Jay Payne has a passion for uncovering market trends. When he isn't uncovering market trends, he's usually restoring motorcycles.