Best B2B Influencer Marketing Agencies in the United States

TD;LR

• B2B influencer marketing agencies handle strategy, creator sourcing, execution, and reporting 
• In B2B, credibility beats reach: niche experts, consultants, and operators outperform large generic audiences
• LinkedIn is the main platform for B2B influencer campaigns, but YouTube, podcasts, webinars, and niche channels often drive deeper trust and influence
• Success is measured by pipeline impact (leads, conversions, revenue), not impressions or engagement
• Agencies typically require $5K–$20K+/month + 15–30% fees, so budget is a major deciding factor
• TopRank Marketing and Cherry Lane are strong choices for thought leadership and category authority
• BrandRefer and Leadtail are well-suited for LinkedIn lead generation and demand generation
• Obviously and The Shelf are good options for content production at scale
• NinjaPromo and inBeat are strong for performance-driven, ROI-focused campaigns
• OST Marketing is a solid choice for global B2B influencer marketing programs 
• A significant part of agency work (discovery, vetting, reporting) can be handled in-house with platforms at a lower cost
• There are 3 common ways to run campaigns: fully outsourced, hybrid, or platform-first

What is a B2B influencer marketing agency?

A B2B influencer marketing agency connects your brand with the people your buyers actually trust – industry experts, practitioners, analysts, and niche creators who influence purchasing decisions long before a sales call happens.

That's the core of it. But the execution is more involved: strategy, creator sourcing, content planning, contracts, compliance, and reporting. Many agencies handle the whole chain, not just the introduction.

How B2B agencies differ from B2C

In B2C, influence is largely about reach. A creator with a big audience posts about your product, people see it, some buy it. The cycle is short.

B2B doesn't work that way. Your buyers are evaluating vendors for months. They're reading LinkedIn posts from consultants they follow, watching webinars from founders in their space, and listening to podcasts on their commute. The decision involves multiple stakeholders and a lot of "does this brand actually know what they're talking about?" moments.

So B2B influencer marketing is built around credibility, not celebrity. The creators are operators, consultants, analysts, and subject-matter educators – people with real expertise in the niche, not lifestyle influencers with broad appeal. Content runs longer, education runs deeper, and the goal is to show up at multiple points in the buyer journey, not just once at the top of the funnel.

When it makes sense to hire an agency

Not every team needs one. But you probably do if:

• You don't have existing creator relationships in your niche
• You need someone to own the strategy, not just execute tasks
• You're running campaigns across multiple channels and formats
• Contracts, disclosures, and content rights need to be airtight

If you already have internal expertise and established creator contacts, you can handle more of this in-house – especially with the right software backing you up. 

How we selected the best B2B influencer marketing agencies

Not every agency that says "B2B influencer marketing" actually does B2B influencer marketing. Some are B2C shops that added a LinkedIn tab to their website. So before we get to the list, here's what we actually looked at.

• B2B specialization and industry credibility. Do they understand how SaaS buyers evaluate vendors, what a fintech compliance team cares about, or how cybersecurity practitioners consume content? Industry fluency matters. Agencies that just adapt B2C playbooks to LinkedIn rarely move the needle in complex categories.
• Creator network depth and relevance. "Access to millions of influencers" is a red flag in B2B, not a selling point. What matters is whether they have relationships with credible experts, niche educators, and creators whose audiences include actual decision-makers in your space.
• Measurement and reporting maturity. Impressions don't close deals. The agencies worth working with can tie influencer activity to lead quality, pipeline contribution, and multi-touch attribution – not just vanity metrics.
• Compliance, contracts, and content rights. In B2B, you're often working with regulated industries, legal review processes, and content that lives beyond one campaign. Clear disclosure practices, structured agreements, and defined usage rights aren't optional.
• Channel fit and content repurposing. One strong collaboration should fuel a LinkedIn post, a webinar clip, a paid ad, and a sales enablement asset. Agencies that think in assets – not just posts – stretch your budget further.

These are the criteria we applied. Here's who made the cut.

Read also: B2B Influencer Marketing: What It Is, How It Works, and What Actually Gets Results (2026)

6 Best B2B influencer marketing agencies in the United States

Every agency on this list has demonstrated real B2B experience – a track record working with complex industries, credible creators, and measurable outcomes. We've broken them down by strength and fit so you can match the right partner to your actual growth motion.

1. TopRank Marketing

TopRank Marketing has been doing B2B influencer marketing before most agencies knew it was a category. They understand that B2B influence is earned through expertise, not exposure.

Where they stand out: They understand that B2B influence is earned through expertise, not exposure. Their team knows how to identify the right voices for complex industries – B2B solutions, B2B tech, financial, healthcare, manufacturing, and technology – and build content programs around them that hold up through a long sales cycle. 

Notable clients: Dell, Monday.com, LinkedIn, Adobe.

Channels & formats: LinkedIn, TikTok, long-form content, webinars, syndicated reports.

Influencer marketing case studies: TopRank helped Cherwell Software reach C-suite executives with co-created influencer content – 342% better CTR, 743% above reach benchmark, 301% of benchmark for video views. They also drove a 167% lift in brand engagements for LinkedIn and doubled engagement for Adobe with a 150% lift in form completions.

Best for: Enterprise B2B brands with established content budgets and a clear thought leadership strategy. 

Pricing: According to G2, TopRank works with enterprise-level clients, with services typically starting at $5,000+/month. Free consultation available.

Website: toprankmarketing.com 

2. Leadtail

Leadtail has been in the B2B social game since 2012 – long enough to know that vanity metrics don't move pipeline. The Portland-based agency focuses entirely on B2B, which means they understand the difference between building an audience and building an audience that actually buys. 

Their approach is grounded in data. Before running campaigns, they dig into social listening and buyer behavior insights to understand how your target audience actually consumes content. 

Where they stand out: They combine influencer marketing with executive and employee advocacy. They also integrate social advertising into influencer programs, amplifying creator content beyond organic reach.

Industries served: AI & ML, HR tech, martech, big data & analytics, infrastructure, SaaS, fintech, life science, and security.

Notable clients: Verizon Business, Salesforce, Cisco, HubSpot Academy, Hootsuite, Moz, Bill.com, Treasure Data, Zuora. 

Influencer marketing case studies: Multimedical Systems went from zero social presence to category leader in healthcare within a year, then launched a video podcast series in just 45 days. Near saw substantial increases in engagement and follower count after Leadtail took over social content curation across all channels.

Testimonial of one of the Leadtails’ clients. Source.

Channels & formats: LinkedIn, social advertising, content distribution

Best for: B2B brands that need ongoing social presence, not just campaign bursts. They're a strong fit if you're a mid-market company looking to punch above your weight class.

Pricing: According to industry insights, Leadtail typically operates on a retainer basis, with services starting around $3,000-$5,000/month for organic programs and increasing for paid campaigns. (check) 

Website: leadtail.com

3. Obviously

Obviously has been running influencer campaigns at scale since 2014 – and scale is their strength. The New York-based agency operates globally, works with thousands of creators simultaneously, and backs it all with a proprietary technology platform that gives clients real-time campaign visibility.

For B2B, they bring the same infrastructure to a more complex challenge: finding creators who can speak credibly to business buyers, navigate long purchase cycles, and produce content that does more than generate awareness.

Where they stand out: Obviously handles the entire campaign process end-to-end – creator identification, outreach, shipping, content review, and reporting – all through their client dashboard. For enterprise teams running high-volume campaigns across multiple platforms, that operational depth is hard to replicate in-house.

Industries served: B2B tech, SaaS, and enterprise software, alongside major consumer brands. 

Notable clients: Google, Microsoft, Amazon, Upwork, Square, and Sherwin-Williams. 

Influencer marketing case studies: a six-month Amazon Pay ambassador program run by Obviously generated 2.2M+ impressions, 5.1% engagement rate, $354K+ in earned media value, and 6,000 new Instagram followers.

Example of influencers’ content for Amazon. Source. 

Channels & formats: TikTok, Instagram, YouTube, LinkedIn

Best for: Enterprise B2B brands that need campaign execution at scale, across multiple creators and channels simultaneously. 

Pricing: Custom quote based on campaign size, creator volume, and channels.

Website: obvious.ly

4. Cherry Lane

Based in New York, Cherry Lane is a B2B-first influencer agency that treats creators as strategic partners, not distribution channels. No mass outreach, no algorithmic matching – every influencer is manually vetted for audience alignment, engagement quality, and actual industry authority.

Cherry Lane was founded by two people with complementary backgrounds: one with a decade in B2C influencer marketing, the other a Chief of Staff at LinkedIn. That combination shows in how they work – consumer-level creativity applied to B2B, where most agencies are still stuck in corporate-speak mode. 

Where they stand out: Cherry Lane is platform-agnostic and full-funnel. While many B2B agencies default to LinkedIn-only, they build campaigns across LinkedIn, YouTube, TikTok, Instagram, newsletters, podcasts, and even live events – meeting buyers wherever they actually consume content. Their reporting ties directly to the pipeline.

Industries served: SaaS, tech, and GTM-focused B2B brands. 

Notable clients: Typeform, Dell Technologies, SAP, IBM, Microsoft India. 

Channels & formats: LinkedIn, TikTok, Instagram, YouTube, newsletters, podcasts. 

Influencer marketing case studies: Cherry Lane partnered with Typeform on the #GetReal campaign, activating 40+ B2B creators across LinkedIn, TikTok, and Instagram to spark honest industry dialogue around trust and authenticity. The campaign collected 1,300+ survey responses from marketers, creators, and consumers, and positioned Typeform as a credible thought leader in the influencer economy.

Influencers’ posts during #Getreal campaign for Typeform. Source. 

Best for: Growth-stage B2B brands that want bold, creative influencer programs – not templated campaigns. Especially strong for teams that care about brand narrative as much as lead generation.

Pricing: Cherry Lane recommends a starting budget of $20,000 for initial campaigns. Typical engagements run around six weeks and include end-to-end management – contracts, usage rights, compliance, and content strategy. Contact them for a tailored quote based on your influencer mix and goals.

Website: cherrylanemedia.com

5. NinjaPromo

NinjaPromo runs on a subscription model they call Marketing-as-a-Service (MaaS). Instead of project-based billing, brands get a dedicated cross-functional team (designers, content creators, media buyers) on a monthly retainer. Founded in 2017, headquartered in New York.

Their sweet spot is B2B, SaaS, fintech, crypto, and Web3. Services span influencer marketing, SEO, social media management, PR, paid acquisition, and video production.

Where they stand out: The MaaS model works for fast-moving startups and tech brands that need marketing execution without hiring internally. You get a team, not a campaign. 

Industries served: B2B SaaS, fintech, crypto, Web3, startups

Notable clients: Samsung, Yves Rocher, Revolut, United Texas Bank, Flow Traders.

Channels & formats: LinkedIn, Instagram, TikTok, YouTube

Influencer marketing case studies: NinjaPromo ran a $20K influencer campaign for fintech trading platform Avenix across YouTube, X, and Discord, generating 92.3K reach, 2,097 on-site events, and a 1.95% engagement rate (above the 1.2% financial services benchmark), with an average CPM of $283, well below the typical $300-500 range for the niche.

Influencers’ content during the campaign for Avenix. Source.

Best for: Tech and Web3 brands that want full-stack marketing on a subscription rather than managing multiple agencies or hiring in-house.

Pricing: from $3,200 for a 40-hour-a-month subscription plan to a custom service of $20-100K per month. 

Website: ninjapromo.io

6. The Shelf

The Shelf is a full-service influencer marketing agency built around proprietary matching technology and performance measurement. Based in Atlanta, they've carved out a specific lane in B2B by doing what most agencies in this space avoid: making B2B content that people actually want to watch.

They handle creator discovery, campaign strategy, content production, paid amplification, and asset repurposing under one roof. The proprietary tech layer selects creators based on audience demographics, engagement quality, and conversion potential rather than follower count alone.

Where they stand out: The Shelf treats influencer content as a performance media asset. The approach works because they don't treat B2B as LinkedIn-only. They build platform-native content (skits, docu-style video, UGC) and use organic performance data to pick what gets pushed with paid.

Industries served: B2B SaaS, travel tech, CPG, retail, local marketplaces 

Notable clients: Hulu, Famous Footwear, Viacom, Universal Music Group, ROAR Organic, and Peelz Citrus. 

Channels & formats: Instagram, TikTok, LinkedIn, YouTube 

Influencer marketing case studies: For RefrigiWear, The Shelf produced 123 pieces of influencer content that over-delivered on reach by 164%, drove a 2.24% engagement rate (with Instagram hitting 2.48%), and generated 372K+ YouTube views. 

Influencers’ posts during the campaign for RefrigiWear. Source. 

For Engine (formerly Hotel Engine), a 10-creator campaign across Instagram, TikTok, and LinkedIn delivered 510K+ organic impressions (2.3x the expected reach), a 2.49% CTR on paid amplification using creator content, and 1,532 shares.

Influencers’ reels during the Engine campaign.

Best for: B2B brands that need influencer content to function as a performance channel across paid and organic, and want a single agency to handle the full pipeline from creator selection to media buying.

Pricing: According to industry sources, full-service campaigns generally cost $10,000-$18,000 per month in management fees, in addition to compensation paid to influencers.
Website: theshelf.com

+3 B2B influencer marketing agencies outside the United States worth knowing

Your best agency match doesn't have to be US-based. These three agencies operate from the UK and Canada, but they run B2B influencer campaigns for global clients across SaaS, fintech, cybersecurity, and enterprise tech. 

Some of the strongest B2B influencer expertise has developed outside the US, and limiting your search by geography means missing specialists who already work with international brands and understand complex B2B buying cycles.

1. BrandRefer

If LinkedIn is your primary channel for reaching B2B buyers, BrandRefer is worth a serious look. The London-based agency does one thing: LinkedIn influencer marketing for B2B brands.

Their model is straightforward. You provide the content and campaign goals; BrandRefer activates a network of professionals with 1,000+ followers across your target industries. Those voices share your message in their own words, to their own audiences which in B2B is often worth more than a single high-reach post from a generalist creator.

Where they stand out: BrandRefer's network spans 800,000+ combined LinkedIn connections across 15+ industry verticals in the US and EMEA. Their campaigns are built around lead generation with transparent cost-per-lead reporting at every step.

Industries served: SaaS, fintech, martech, cybersecurity, HR tech, and other B2B verticals across US and EMEA.

Notable clients: Zendesk, UPS, Rubrik, Celonis, Nutanix, Optimizely, Aircall, Chargebee, Acronis, and more.

Channels & formats: LinkedIn, webinar sign-ups, whitepaper downloads, guide registrations 

Influencer marketing case studies:

• Bloomreach: 10 campaigns, 160k+ network reach, 10x ROI
• Tyk: 60% of webinar registrations came from LinkedIn influencers, $19 per lead
• Dynamicweb: $22 per lead across 3 campaigns
• Ocean.io: 30€ per lead, 3 campaigns
• Causal: $25 per lead, 7 campaigns

Best for: B2B brands running demand generation campaigns where LinkedIn is the primary acquisition channel. 

Pricing: BrandRefer doesn't publish rates publicly. Contact them directly for a campaign quote.

Website: brandrefer.com

2. OST Marketing

Based in the UK but operating globally, OST has been running B2B social programs for over 15 years. They're connected to a network of 1,000+ leading B2B influencers across AI, tech, finance, agritech, and manufacturing, and they manage the whole process, from strategy and influencer identification to contracts, payments, and performance tracking.

Where they stand out: OST combines influencer marketing with paid social and organic strategy into one cohesive program. They've run multi-language influencer campaigns for major enterprise clients, including a global program for Sage with 100+ small business and accountancy influencers which is a level of operational complexity most agencies can't handle.

Industries served: AI & tech, finance and fintech, agritech, manufacturing, and broader B2B sectors.

Notable clients: Sage, Dassault Systèmes, [placeholder: additional confirmed clients]

Influencer marketing case studies: For Dassault Systèmes, OST delivered a 570% increase in leads through a video-led LinkedIn campaign targeting senior US bankers, generating 190+ MQLs.

Best channels: LinkedIn, paid social, organic social

Best for: B2B brands that need an always-on social program with influencer marketing built in – not bolted on. Particularly strong for global campaigns that require localization and multi-language execution.

Pricing: OST doesn't publish standard rates. Based on market benchmarks for specialized B2B agencies, retainers typically range from $2,500-$10,000+/month depending on scope, with LinkedIn-focused programs starting around $3,500-$7,500/month. Contact them for a custom quote.

Website: ostmarketing.com

3. inBeat

inBeat sits at the intersection of influencer marketing and performance advertising, which makes them a different kind of agency. inBeat is wired for ROI. They track conversions, optimize cost-per-click, and treat creator content as a performance asset, not just a brand play.

Where they stand out: inBeat specializes in micro-influencers and niche thought leaders – creators with smaller but highly targeted audiences that convert better than broad-reach alternatives. They combine that with paid media amplification. Creator selection is based on brand values alignment, audience demographics, and engagement levels. Their approach to measurement covers engagement rates, conversion rates, cost per acquisition, and ROI, with comprehensive reporting throughout.

Industries served: B2B SaaS, tech and professional services. 

Notable clients: New Balance, Hopper, Disney, Target, Linktree, Miro, Native, YouTube, Bumble, Nestlé, Nissan, and NielsenIQ.

Channels & formats: LinkedIn, YouTube, TikTok, Instagram, Facebook

Influencer marketing case studies: inBeat partnered with Miro on a LinkedIn, Instagram, and TikTok influencer campaign that drove a 5-10% click-through rate and brought cost-per-click down to $0.47. For Booksy, a B2B SaaS scheduling platform, inBeat delivered a 1,700%+ increase in new subscriber ROAS.

One of the posts during the Miro campaign with an expert David Pereira (88K followers on LinkedIn). Source.

Best for: B2B brands that want influencer marketing to deliver measurable, trackable results, not just awareness. Strong fit for teams already running paid campaigns who want to add creator content to the mix.

Pricing: according to industry resources, inBeat's managed services start at $25,000 per project or monthly engagement, with most performance-driven campaigns landing in the $50,000-$199,999 range. 

Website: inbeat.agency

How to choose the right agency for influencer marketing

The "best" agency depends entirely on what you're trying to build. A LinkedIn lead-gen engine and a global thought-leadership program require different capabilities, influencer networks, and measurement frameworks.

Start with the goal, then match the agency to it:

Agency vs platform: what in-house teams can do themselves

Not every brand needs an agency. The deciding factor is not only the budget but also your current capability and expertise. 

Agencies earn their fee when you need someone to own the entire process: building an influencer strategy from scratch, managing creator relationships across dozens of partnerships, negotiating rates and usage rights, handling contracts and FTC compliance, and executing campaigns end to end. If your team doesn't have the experience, the bandwidth, or the creator network to do those things well, an agency fills that gap fast.

But a significant portion of what agencies charge for is work that software can handle, often faster and with more transparency. Creator discovery, audience analysis, shortlist building, performance validation, and campaign reporting are all tasks that in-house teams can run themselves when they have the right platform.

Here’s what the difference is in terms of payment. An agency charges 15-30% of your campaign budget or marks up creator fees by 20-30%. A platform charges a flat subscription. For teams that already have marketing experience and just need better data and workflow tools, the right decision is pretty clear.

Here's the practical split:

• Hire an agency when your team is new to influencer marketing, you're entering an unfamiliar vertical, you need to launch complex multi-market campaigns, or you don't have someone internally who can own creator relationships full-time.
• Run it in-house with software when you have a marketer who understands influencer strategy, you want direct relationships with creators, you need full visibility into audience data and performance metrics, and you want to build institutional knowledge that stays with your team.

Read also: FTC Influencer Guidelines: 2026 Rules, News & Compliance Checklist 

3 common ways to run influencer marketing campaigns

Here are three common ways to run influencer marketing campaigns:  

1. Fully outsource to an agency (hands-off model)

Best for: teams with a budget and limited internal resources

You rely on the agency end-to-end:

• strategy
• creator sourcing
• outreach and execution
• reporting

Budget reality:

• agencies usually require a minimum monthly budget or campaign size
• common entry points: $5K–$20K+/month before creator fees
• plus 15–30% management fee or markup

What you get:

• fastest execution
• minimal internal involvement
• You also have a chance to validate influencers independently using platforms like IQFluence

Trade-offs:

• limited visibility into how creators are selected
• dependency on the agency network and assumptions
• not viable for smaller budgets

2. Hybrid model (agency + in-house control)

Best for: teams with a budget and internal ownership

You split responsibilities:

• Agency: execution, outreach, contracts
• You: strategy, creator validation, performance analysis

Budget reality:

• still requires agency budget commitment (retainer or % of spend)
• typically 10-25% of campaign budget
• platform subscription (flat cost)

What you get:

• better control over creator quality
• stronger ROI through validation and comparison
• ability to build internal expertise over time

Trade-offs:

• requires internal time and coordination
• agencies may not reduce pricing proportionally to the reduced scope 

3. Platform-first (run in-house)

Best for: teams without large agency budgets or with strong internal marketing

You run the process internally:

• creator discovery
• vetting and selection
• campaign tracking and reporting

Agencies are optional (used selectively when needed).

Budget reality:

• no minimum campaign size required
• flat subscription instead of % fees
• no creator markups

What you get:

• full control over creators and data
• lowest external cost
• flexibility to scale gradually

Trade-offs:

• requires internal expertise and time
• slower to ramp if starting from scratch

Here’s a short breakdown: 

How to choose

A simple decision framework:

• Have budget, need speed → fully outsourced
• Have budget, want control → hybrid
• Limited budget or strong team → platform-first

How IQFluence can help with your B2B influencer marketing campaigns

Whatever model you choose for your B2B influencer marketing campaigns, IQFluence acts as the data layer behind your decisions and the system that keeps campaigns structured and measurable.

Here’s what you can do inside the platform: 

1. Find creators who influence your buyers

Use 15+ filters to quickly identify:

• niche experts, consultants, founders, and operators
• creators active on YouTube, TikTok and Instagram
• profiles already producing content in your category

These are creators found on YouTube by the keywords “B2B” in the United States.

2. Validate experts’ credibility and performance

In B2B, validation is critical. Before you reach out, make sure the creator is worth the investment.

• check credibility scores to spot fake followers or inflated engagement
• analyze engagement quality (not just volume)
• review past content performance and consistency

You can see general growth, a high engagement rate, but a decline in views and comments in the latest month. IqFluence dashboard.

3. Check audience fit with your Ideal Customer Profile

Even strong creators won’t perform if their audience doesn’t match your buyers.

Start with location and language. Then go deeper:

• industry signals
• audience interests and content alignment

You can see that the majority of this Australian expert’s audience lives in the United States. IQFluence dashboard.

4. Check for audience overlap

Avoid wasting budget by reaching the same people multiple times.

With Audience Overlap, you can:

• see how much two creators share the same audience
• avoid duplication in your media plan
• build a diversified creator mix

This is especially important in B2B, where audiences are smaller and more niche.

Here you can see how these creators' audiences overlap. IQFluence dashboard. 

5. Shortlist creators and build your campaign

Once creators pass validation, move them into a structured shortlist.

• organize creators by campaign or segment
• build media plans with performance data
• assign budgets and priorities

6. Outreach to shortlisted experts

Turn your shortlist into deals.

• launch outreach campaigns directly from your creator list
• send personalized messages at scale
• track replies, status, and missing information
• keep all conversations organized in one view

Inside the outreach tool in the IQFluence dashboard. 

7. Track performance and improve over time

• track performance across creators and campaigns
• identify top-performing profiles and formats
• reuse insights for future campaigns 

Inside influencer campaign monitoring at IQFluence.

8. Integrate influencer marketing into your internal systems (API)

Connect influencer marketing directly to your stack.

• pull creator data across Instagram, TikTok, and YouTube with consistent filters
• retrieve audience insights and performance metrics as structured data
• measure audience overlap programmatically for accurate reach planning
• enrich creator profiles with verified contact data
• sync everything into your CRM, BI tools, or internal dashboards