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35 B2B Influencer Marketing Statistics

35 B2B influencer marketing statistics highlighting growth trends, performance metrics, and buyer trust in expert-led content.

GTM 80/20
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Data-backed insights on market growth, buyer trust, ROI benchmarks, and the strategic value of expert-led content in B2B go-to-market execution

B2B influencer marketing has shifted from experimental tactic to essential go-to-market strategy. With 85% of U.S. B2B marketers now using influencer partnerships and proven returns exceeding 500%, companies that ignore expert-led content risk falling behind competitors who understand its power. For brands seeking to accelerate growth through fractional marketing experts, these statistics reveal why partnering with the right industry voices drives measurable pipeline and revenue results.

Key Takeaways

  • Market is exploding – The global influencer marketing industry is projected to reach $32.55 billion in 2025, growing 35.63% year-over-year
  • ROI is proven – B2B influencer marketing programs deliver an average 520% return on investment
  • Adoption is near-universal85% of marketers now use influencer marketing in their strategies
  • Always-on wins99% of marketers using an always-on approach rate their programs as effective
  • Trust drives decisions87% of buyers give more credence to content featuring industry experts they trust
  • LinkedIn dominates82% of marketers report their greatest success on LinkedIn compared to other social channels

The State of B2B Influencer Marketing: Market Size and Growth

1. The global influencer marketing industry is projected to reach $32.55 billion in 2025

The influencer marketing market has grown from $24 billion in 2024 to a projected $32.55 billion in 2025. This 35.63% year-over-year growth reflects the increasing importance of expert-driven content across both B2B and B2C sectors, making influencer partnerships a critical component of modern go-to-market strategy.

2. The industry has maintained a 33.11% compound annual growth rate over the past decade

From 2014 to 2025, influencer marketing achieved a CAGR of 33.11%. This sustained growth trajectory signals a permanent shift in how brands build credibility and reach buyers, not a temporary trend.

3. 85% of U.S. B2B marketers use influencer marketing in their strategies

B2B adoption has reached mainstream status, with 85% of marketers incorporating influencer partnerships into their marketing mix. This near-universal adoption means companies without influencer strategies are competing at a structural disadvantage.

4. 94% of B2B marketers report influencer marketing as a successful strategy

Effectiveness ratings are exceptionally high, with 94% of marketers reporting success with their influencer programs. This success rate far exceeds most other marketing channels and validates continued investment in expert partnerships.

5. There are 6,939 influencer marketing service providers in 2025

The ecosystem supporting influencer marketing has expanded dramatically, with 6,939 service providers operating in 2025 compared to just 1,120 in 2019. This growth creates both opportunity and complexity for brands seeking the right partners.

B2B Influencers' Impact on Buyer Trust and Purchase Decisions

6. 87% of B2B buyers give more credence to content featuring industry experts they trust

Trust is the currency of B2B sales, and 87% of buyers weigh expert-endorsed content more heavily than brand-produced materials. For companies building thought leadership programs, partnering with recognized industry voices accelerates credibility building that would otherwise take years.

7. 67% of B2B influencer campaigns outperform brand-only content on marketing impact

Third-party validation matters. Research shows 67% of campaigns outperform content produced solely by brands. This performance gap makes influencer collaboration essential for companies seeking maximum impact from their content investments.

8. 83% of marketers report sponsored influencer content outperforms brand content in conversions

Beyond awareness metrics, 83% of marketers report that sponsored influencer content delivers better conversion rates than brand-produced alternatives. Expert endorsement removes friction from the buyer journey and accelerates purchase decisions.

9. 55% of B2B decision-makers use thought leadership content as part of their vetting process

Thought leadership isn't optional—55% of decision-makers actively seek it when evaluating vendors. Companies that produce expert-backed content gain visibility during the critical research phase when buyers form shortlists.

10. 63% of tech buyers trust social video content from industry experts when making purchasing decisions

Video content carries particular weight, with 63% of tech buyers trusting expert video content during purchase decisions. This preference makes video collaboration with industry voices a high-impact content format.

Top Content Formats for B2B Influencer Campaigns

11. 56% of B2B marketers report social media posts as the most effective content type

Social media remains the dominant format, with 56% of marketers rating social posts as their most effective influencer content type. The immediacy and shareability of social content makes it ideal for amplifying expert perspectives.

12. 39% report in-person events as effective for B2B influencer marketing

Physical presence still matters. 39% of marketers find in-person events effective for influencer collaboration, whether through speaking engagements, panel discussions, or conference appearances that build credibility through direct interaction.

13. 34% use webinars, interviews, and interactive content with influencers

Interactive formats engage buyers differently than static content, with 34% of marketers leveraging webinars and interviews featuring industry experts. These formats allow for deeper exploration of topics while showcasing expert knowledge.

14. 29% leverage video content for influencer collaborations

Video continues gaining traction, with 29% of marketers actively using video content in influencer partnerships. As platforms prioritize video in their algorithms, this format becomes increasingly valuable for reach and engagement. GTM 80/20's network includes content strategists who specialize in building multi-format content programs that maximize expert content across channels.

15. 49% of B2B marketers predict integrating influencer content across marketing strategies will be a top trend

Content integration is the next frontier. 49% of marketers anticipate that weaving influencer content throughout their marketing strategies—not just in isolated campaigns—will define 2025 success.

Measuring B2B Influencer Marketing ROI and Effectiveness

16. B2B influencer marketing programs demonstrate an ROI of 520%

The return on investment speaks for itself. B2B influencer programs deliver an average ROI of 520%, making them one of the highest-performing marketing investments available. This exceptional return justifies increased budget allocation.

17. Companies see a $5.20 return for every $1 spent on B2B influencer marketing

Breaking down the math, companies investing in B2B influencer marketing see $5.20 return per dollar spent. This return exceeds most paid advertising channels and compounds when influencer relationships extend over time.

18. Influencer marketing delivers an 8.4x return through Earned Media Value

Beyond direct conversions, influencer partnerships generate significant earned media. The channel delivers an 8.4x return through Earned Media Value, extending reach far beyond paid impressions through organic sharing and secondary coverage.

19. 30% of B2B marketers say influencer marketing contributes most to top-of-funnel goals

Influencer content excels at pipeline generation. 30% of marketers report that influencer marketing contributes most to their top-of-funnel objectives—more than paid search (28%) or virtual events (23%).

20. 99% of B2B marketers using an always-on approach rate their programs as effective

Consistency drives results. An extraordinary 99% of marketers using always-on influencer engagement rate their programs as effective, compared to far lower success rates for one-off campaign approaches.

21. Marketers not using an always-on approach are 17x more likely to report ineffective programs

The contrast is stark. Marketers without always-on influencer strategies are 17x more likely to report their programs are ineffective. Sustained engagement builds compounding returns that sporadic campaigns cannot match.

Challenges and Best Practices in B2B Influencer Marketing

22. 48% of B2B marketers cite identifying ideal influencers as their top challenge

Finding the right partners remains difficult. 48% of marketers struggle with identifying, qualifying, and connecting with ideal influencers. This challenge creates significant opportunity cost as teams spend time searching rather than executing. Working with a vetted expert network eliminates this friction through pre-qualified talent with proven industry credibility.

23. 47% struggle with measuring and reporting results from influencer campaigns

Measurement remains the second-largest hurdle, with 47% of marketers struggling to measure and report influencer campaign results. Clear attribution models and analytics infrastructure are essential for demonstrating value to stakeholders.

24. 42% of B2B marketers prioritize professionalism when selecting influencer partners

Selection criteria matter. 42% of marketers prioritize professionalism as the top attribute when choosing influencer partners—reliability and brand-safe collaboration outweigh raw follower counts.

25. 33% prioritize authenticity in influencer partnerships

Authentic voices resonate with B2B audiences. 33% of marketers prioritize authenticity as a non-negotiable attribute, recognizing that B2B buyers can detect forced endorsements that undermine credibility.

26. 56% of B2B marketers differentiate their influencer strategies through creative campaigns

Standing out requires creativity. 56% of marketers differentiate their influencer programs through creative campaign approaches rather than competing solely on budget or influencer reach.

B2B Influencer Marketing Trends and Future Outlook

27. Gartner predicts 80% of enterprise marketers will integrate influencer marketing by 2027

The trajectory is clear. Gartner forecasts that 80% of enterprise marketers will integrate influencer marketing into their mix by 2027, making early adoption a competitive advantage before the market fully saturates.

28. 57% of B2B marketers already use AI to aid with content creation in influencer marketing

AI is transforming execution. 57% of marketers already use AI for content creation within influencer programs, accelerating production while maintaining expert voice and authenticity. For deeper insights on AI's impact on marketing, explore our AI overviews metrics analysis.

29. 60.2% of respondents actively use AI for influencer identification and campaign optimization

Beyond content creation, 60.2% of marketers use AI for influencer identification and campaign optimization in 2025. AI tools help match brands with relevant experts faster and predict campaign performance more accurately.

30. 44% report AI to expand and optimize influencer content is the most important emerging trend

Looking ahead, 44% of marketers identify AI-powered content expansion as the most important emerging trend. AI enables repurposing expert content across formats and channels at scale.

31. 91% of experts say technology is the primary driver of change in influencer marketing

Technology defines the future. An overwhelming 91% of experts cite technology as the primary driver of change in influencer marketing, from discovery platforms to measurement tools to content creation assistance.

Budget Allocation and Investment in B2B Influencer Marketing

32. 53% of B2B marketers report their dedicated influencer marketing budget is growing

Investment is increasing across the board. 53% of marketers report growing influencer marketing budgets, reflecting confidence in the channel's performance and strategic importance. For additional context on marketing hiring trends, budget allocation patterns closely mirror talent investment priorities.

33. 76% of C-suite executives report their influencer marketing budget is growing

Executive buy-in is strong. 76% of C-suite executives report increasing influencer marketing budgets, signaling board-level recognition of the channel's strategic value to revenue growth.

34. Mid-market SaaS companies allocate 12-18% of total marketing budget to influencer partnerships

Benchmark data provides planning guidance. Mid-market SaaS companies typically allocate 12-18% of their total marketing budget to influencer partnerships, representing a substantial commitment to expert-led content strategies.

35. 81% of B2B companies allocated a specific budget for influencer marketing in 2024

Dedicated budgets are now standard. 81% of companies allocated specific budgets for influencer marketing in 2024, moving from ad-hoc spending to strategic investment planning.

The Role of Social Media Platforms in B2B Influencer Marketing

LinkedIn dominates B2B influencer marketing, with 82% of marketers reporting their greatest success on the platform compared to other social channels. The professional context and decision-maker concentration make LinkedIn essential for expert content distribution.

Platform effectiveness data reinforces this focus:

Beyond LinkedIn, 54% of decision-makers listen to industry podcasts weekly, creating additional opportunities for expert voice placement across audio formats.

Building Your B2B Influencer Marketing Strategy

The data points to clear strategic priorities for companies looking to maximize influencer marketing impact:

  • Commit to always-on engagement – The 99% effectiveness rate for sustained programs versus 17x higher failure rates for one-off campaigns makes continuous engagement non-negotiable
  • Prioritize LinkedIn – With 82% success rates and 6x conversion lift, LinkedIn deserves primary focus for B2B influencer content
  • Invest in measurement infrastructure – With 47% struggling to measure results, robust attribution creates competitive advantage
  • Partner with vetted experts – The 48% challenge rate for influencer identification validates working with pre-qualified networks rather than manual discovery

For companies seeking to build influencer marketing programs without the overhead of full-time hires, fractional marketing experts provide a path to expert-led content at startup speed. Book a call to learn how GTM 80/20's network of 300+ vetted marketing specialists can accelerate your influencer marketing execution.

Frequently Asked Questions

What is the average ROI for B2B influencer marketing campaigns?

B2B influencer marketing programs deliver an average ROI of 520%, or $5.20 return for every $1 invested. This return exceeds most other marketing channels and increases when companies adopt always-on engagement approaches rather than one-off campaigns. The 8.4x return through Earned Media Value further amplifies results through organic reach and secondary sharing.

Which social media platforms are most effective for B2B influencer marketing today?

LinkedIn dominates B2B influencer marketing, with 82% of B2B marketers reporting their greatest success on the platform. LinkedIn delivers conversion rates 2x higher than other platforms, and audiences exposed to brand messages there are 6x more likely to convert. Podcasts also show strong traction, with 54% of B2B decision-makers listening to industry shows weekly.

How do B2B influencers impact buyer trust compared to traditional advertising?

B2B influencers significantly outperform brand-only content on trust metrics. 87% of B2B buyers give more credence to content featuring industry experts they trust, and 67% of B2B influencer campaigns outperform brand-only content on marketing impact. This trust advantage translates to 83% of marketers reporting sponsored influencer content outperforms brand content in conversions.

What are the biggest challenges companies face when implementing B2B influencer marketing strategies?

The two largest challenges are identifying ideal influencers (48% of marketers) and measuring campaign results (47% of marketers). These challenges make working with pre-vetted expert networks particularly valuable, as they eliminate discovery friction and provide established frameworks for tracking performance and attribution.

What types of content work best for B2B influencer collaborations?

Social media posts lead effectiveness ratings at 56%, followed by in-person events (39%), webinars and interactive content (34%), and video content (29%). The most successful programs integrate influencer content across multiple formats rather than limiting collaboration to a single channel—49% of B2B marketers predict this integrated approach will define 2025 success.

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