10 Best B2B Influencer Marketing Agencies (2026): Budgets, Channels and Fit

The best B2B influencer marketing agencies for 2026 are TopRank Marketing for enterprise programs, Sculpt for enterprise social and creator campaigns, Leadtail and OST Marketing for B2B social, BrandRefer for LinkedIn, NinjaPromo for a lower entry budget, and Ainfluencer for a marketplace you can test before you commit. The right one depends on your budget, the channels your buyers use and how long your sales cycle is. If you want partners paid on qualified leads instead, see our guide to B2B affiliate marketing agencies.

A B2B influencer marketing agency finds and manages the people your buyers already listen to: analysts, practitioners, founders, newsletter writers and teaching creators. This page is for choosing an agency. It compares ten by what they publish about budget, channels and clients, shows what the market charges, matches a route to your budget, and ends with the questions and contract terms to settle before you sign. If you are still learning how B2B influencer marketing works, read our B2B influencer marketing guide first. All prices were checked on 31 October 2026 from public pages, and agencies change them, so confirm before you budget.

B2B Influencer Marketing Agencies at a Glance

Ten B2B influencer marketing agencies compared on focus, channel and published budget

Budget figures marked “minimum” come from Influencer Marketing Hub’s 2026 list of B2B influencer marketing agencies. “Not published” means the agency does not state a price on its own site or in the sources read for this guide.

What Is a B2B Influencer Marketing Agency?

A B2B influencer marketing agency plans, runs and measures creator and expert partnerships for companies that sell to other businesses. Typical services are creator and expert sourcing, briefs and contracts, content production, employee and executive advocacy, paid amplification of creator posts, and reporting that ties activity to leads.

What B2B influencer marketing is, who counts as a B2B influencer, which platforms work and what the statistics say are covered in the guide linked above. Here the question is narrower: what an agency will do for you, and what stays with your team.

What an Agency Handles and What You Still Own

Typical split of work between a B2B influencer agency and your team

10 Best B2B Influencer Marketing Agencies

The list is ordered by fit for the most common B2B brief: a company that wants creators and experts to build trust with a professional audience. Ainfluencer is our own service and is marked as such. Every other fact is taken from the agency’s own site or from Influencer Marketing Hub’s list, and anything an agency does not publish is left out.

1. Ainfluencer (Our Own): Creator Marketplace and Managed Campaigns

Creator marketplace with a fully managed service

Ainfluencer pairs a marketplace of more than five million creators on Instagram, TikTok and YouTube with a fully managed service. Deals, approvals and payouts run inside the platform, and brands can start in the marketplace before deciding on a managed package. We are not a B2B-only agency, so the fit is strongest for B2B and SaaS brands whose buyers also follow educator and practitioner creators on video platforms.

• Best for: B2B and SaaS brands testing creator partnerships before a retainer.
• Main focus: Marketplace discovery plus managed campaigns.
• Budget signal: Managed packages from $7,999 to $29,999, per our own agency pricing guide.
• Strength: You can start with a smaller test and scale the creators that perform.
• Watch out for: A LinkedIn-first program or an enterprise analyst-relations program is better served by the specialists below.

2. TopRank Marketing: Best B2B Influencer Marketing Agency for Enterprise

B2B marketing agency, US

TopRank Marketing describes itself as helping B2B companies become “Best Answer Brands” with influencer-activated content built for search, AI and full-funnel return. Its services include B2B influencer marketing, content, measurement, search and AI optimization, social media and podcast marketing, and it publishes an annual B2B influencer and creator marketing report. It is named at or near the top of several competing lists, including those from Directive, inBeat, IQFluence and Clash.

• Best for: Enterprise B2B brands that want influencer work joined to content and search.
• Main focus: Influencer-activated content, SEO and AI visibility, measurement.
• Budget signal: Not published. Clash places full-service agencies of this kind in the budget band of $300,000 a year and above.
• Strength: Content, search and influencer work planned as one program.
• Watch out for: Full-service scope usually means a large retainer, so a small pilot may be harder to arrange.

3. Sculpt: B2B Social and Influencer Campaigns for Enterprise Brands

B2B social media agency, Iowa City, US

Influencer Marketing Hub lists Sculpt as a B2B social media agency for enterprise brands, with a team of 10 to 50 and notable clients including Atlassian, KnowBe4, Schneider Electric and Uber. Its channels are LinkedIn, YouTube, TikTok, Instagram, Reddit and Facebook, and its process runs through strategy, outreach and negotiation, then content and measurement, with contracts, compliance and usage rights handled by the agency. In IMH’s case study for Loom, Sculpt worked with four creators across tiers to produce short videos that drew over 668,000 organic views and more than 20,000 engagements, and passed one million impressions once paid amplification was added.

• Best for: Enterprise B2B brands that want creators and employee voices together.
• Main focus: B2B social media, influencer campaigns, paid social creative.
• Budget signal: $20,000+ minimum campaign size, per IMH.
• Strength: A clear three-phase process and a published case with numbers.
• Watch out for: The minimum puts it out of reach for small test budgets.

4. Leadtail: B2B Social Media Agency With Influencer Marketing

B2B social media agency

Leadtail calls itself a B2B social media agency that helps marketing leaders develop social strategy, insights and influencer relationships to reach target buyers. It lists six core B2B social practices, including social media management, B2B influencer marketing and paid social. Clash puts agencies of this size in the mid-market band of $80,000 to $300,000 a year.

• Best for: Marketing leaders who need one partner for organic social, creators and paid social.
• Main focus: B2B social media management, influencer marketing, paid social.
• Budget signal: Not published. Clash’s mid-market band is $80,000 to $300,000 a year.
• Strength: Influencer work sits inside a wider B2B social program.
• Watch out for: If you only want creator sourcing, the wider scope may be more than you need.

5. OST Marketing: Global B2B Social Media Agency

Global B2B social media agency

OST describes itself as a global B2B social media agency that works with some of the world’s best tech brands and builds social media programs for decision-makers. Its site states that 84% of B2B buyers use social media to find solutions, which is the agency’s own figure. inBeat’s comparison recommends OST for global B2B social programs.

• Best for: Tech brands that need social and creator programs across several regions.
• Main focus: B2B social strategy, content and community.
• Budget signal: Not published.
• Strength: A global footprint and a B2B-only focus.
• Watch out for: Creator marketing is one part of a broader social offer, so ask to see influencer-specific results.

6. BrandRefer: LinkedIn Influencer Marketing Agency

LinkedIn influencer marketing agency

BrandRefer connects brands with LinkedIn micro-influencers: professionals who endorse, highlight and share a company’s updates. Brands set the campaign criteria and KPIs, supply the content to be endorsed and monitor results step by step. Clash lists BrandRefer among boutique matchmakers for annual influencer budgets of $20,000 to $80,000.

• Best for: B2B lead generation and awareness on LinkedIn.
• Main focus: LinkedIn micro-influencers.
• Budget signal: Not published. Clash’s boutique band is $20,000 to $80,000 a year.
• Strength: A narrow focus on the platform where many B2B buyers research vendors.
• Watch out for: A single-platform specialist, so pair it with video or podcast work if your buyers are elsewhere.

7. NinjaPromo: Lower-Budget Option for SaaS and IT Brands

Full-service digital agency on a subscription model

NinjaPromo is a full-service digital marketing agency that sells services for a predictable monthly cost. Its site lists influencer marketing by tier (nano and micro) and by platform, and industries including SaaS, finance and IT and software, for both B2B and B2C businesses. IMH lists a minimum campaign size of $5,000, the lowest of the agencies in its B2B list.

• Best for: Smaller B2B budgets that still want a managed program.
• Main focus: Full-service digital marketing with influencer services.
• Budget signal: $5,000+ minimum campaign size, per IMH.
• Strength: A low published entry point and a subscription model.
• Watch out for: A generalist agency, so confirm which team members have B2B creator experience.

8. The Shelf: Data-Led Influencer Marketing for Full-Funnel Campaigns

Data-first influencer marketing company

The Shelf calls itself an award-winning, data-first influencer marketing company and says it has partnered with brands from small and mid-sized businesses to Fortune 100 companies for over a decade, with a focus on compliant, brand-safe campaigns. inBeat’s comparison recommends it for full-funnel B2B creator campaigns.

• Best for: Enterprise teams that need compliance and measurable, repeatable results.
• Main focus: Performance and interest-driven influencer marketing.
• Budget signal: Not published.
• Strength: A data-first approach and stated focus on compliance.
• Watch out for: It is not B2B-only, so ask for B2B client examples.

9. inBeat: Micro-Creator and UGC Performance Marketing

Creative growth agency

inBeat describes itself as a creative growth agency that blends performance creative, paid social and creator marketing. Its services include UGC, influencer campaigns, TikTok Shop and paid media. It also publishes a B2B agency comparison, and it lists itself in it, so read that list with the same caution as any other agency’s own ranking. In that guide, inBeat states B2B influencer agencies usually cost under $10,000 for smaller projects.

• Best for: Performance-led work with smaller creators and reusable creative.
• Main focus: UGC, influencer, paid social and performance creative.
• Budget signal: Not published. Its own guide says smaller B2B projects usually cost under $10,000.
• Strength: Creative and paid media built around creator content.
• Watch out for: Its strength is creative performance, so check depth in LinkedIn and expert programs.

10. HireInfluence: Large Managed Programs for Fortune 1000 Brands

Managed influencer marketing for large brands

IMH lists HireInfluence for Fortune 1000 companies and brands, with a minimum campaign size of $50,000. inBeat’s comparison recommends it for event-led B2B launches. IMH’s list also includes Intuition Media Group, which starts at $50,000, and House of Marketers, which starts at $20,000, both aimed at larger brands.

• Best for: Large enterprises planning events and major launches.
• Main focus: Large managed influencer programs.
• Budget signal: $50,000+ minimum campaign size, per IMH.
• Strength: Experience with large brands and complex approvals.
• Watch out for: The minimum rules it out for pilots and mid-market budgets.

How Much Do B2B Influencer Marketing Agencies Cost?

Few B2B agencies publish prices, so the numbers below combine published minimums with the ranges that agencies themselves report. Treat them as planning estimates and request written quotes.

Price signals for B2B influencer marketing, by source

Price depends on the seniority of the creators, the number of content pieces, how many approval rounds you need, and how much reporting is included. Ask each agency what the fee covers and what counts as extra. Our influencer marketing agency pricing guide explains the five pricing models in detail.

Agency, Matchmaker or In-House: Which Fits Your B2B Budget?

Clash, a B2B creator agency, offers a simple rule for matching the route to the annual influencer budget. It is one agency’s view, not an industry standard, but it is a useful starting point.

Which route fits which annual B2B influencer budget

How to Choose a B2B Influencer Marketing Agency: 7 Questions to Ask

1. Can you show three B2B case studies with attribution, not only reach? Ask for leads, demos or pipeline.
2. Which creators have you worked with in my category? Check that they are credible practitioners, not general influencers.
3. Is there a pilot? Walk away from agencies that offer only a long retainer with no working test.
4. Who will run my account? Get the name and the share of their time.
5. How will you set up attribution before launch? Codes, UTM links and CRM tracking should be agreed up front.
6. What is the exit clause? Clash says a 30-day exit on a retainer is standard and that anything longer is a red flag.
7. Who owns the content and for how long? Usage rights and paid amplification should be in the contract.

SaaS Influencer Marketing Agencies: Which of These Fit Software Brands?

Software buyers research before they talk to sales, so SaaS programs lean on teachers and practitioners. Among the ten agencies, the published evidence of software work is as follows.

Evidence of software and SaaS work among the ten agencies

For a wider shortlist see our tech influencer marketing agencies list and the best influencer marketing agencies guide.

What to Put in a B2B Influencer Agency Contract

Agencies differ less in what they promise than in what they write down. Settle these points before you sign:

A contract checklist for a B2B influencer marketing agency

For how to plan and measure the program itself, see our B2B influencer marketing guide and the influencer marketing KPIs guide.

Frequently Asked Questions