Forrester’s 2026 B2B Marketing, Sales, And Product Predictions: B2B Companies Will Lose More Than $10 Billion Because Of Ungoverned Use Of Generative AI

According to Forrester’s (Nasdaq: FORR) B2B marketing, sales, and product predictions, as more B2B buyers adopt generative AI and conversational search tools to gather faster insights, marketing, sales, and product leaders are facing intense pressure to integrate genAI into their go-to-market applications to keep up. Yet 19% of buyers using these AI applications feel less confident in their purchasing decisions due to inaccurate or unreliable information provided by genAI. The explosion of new and untested genAI functionality, combined with lagging AI user skills, will result in incidents that lead to the loss of more than $10 billion in enterprise value from declining stock prices, legal settlements, and fines.

While B2B companies are trying to minimize risk by applying governance practices used for internally developed applications, these top-down approaches are inadequate to control the adoption of genAI in the commercial applications that go-to-market teams use. To harness the power of genAI responsibly, organizations must improve employees’ “AI intelligence quotient” and democratize their governance efforts.

Forrester’s Predictions reports offer forward-looking insights into the trends and signals that empower leaders and their teams to think beyond the conventional and ignite bold ideas in the year ahead. Forrester’s B2B marketing, sales, and product predictions cover topics including: B2B marketing, sales, and product; business buyers; digital commerce; and payments.

Key highlights from Forrester’s B2B business buyer and marketing, sales, and product predictions include:

• Human expertise will rival genAI in appeal as buyers seek deeper validation. In 2025, 30% of all buyers viewed genAI tools as a meaningful interaction type during the final commit stage of their purchase, compared to just 17% who said the same about interacting with product experts. As genAI provides buyers with more information, buyers will turn to experts to validate insights and answer complex questions. These interactions will continue to become prominent earlier in the buying process.

• Seventy-five percent of enterprise B2B companies will increase budgets for influencer relations. As buying networks expand and buying groups increasingly rely on external influencers — analysts, subject matter experts, and luminaries — for fact-based insights, marketing leaders will elevate influencer relations to a strategic growth lever. According to Forrester’s Buyers’ Journey Survey, 2025, analyst reports and social media are among the most commonly cited content assets and interactions that business buyers find meaningful.

• Twenty percent of B2B sellers will be forced to engage in agent-led quote negotiations. In 2025,61% of purchase influencers say their organization has or will use a private genAI engine to support purchasing. In 2026, at least one in five B2B sellers will be compelled to respond to AI-powered buyer agents with dynamically delivered counteroffers via seller-controlled agents.

“B2B leaders must embrace a more disciplined and evidence-driven approach to how they engage with generative AI, prioritizing trust and tangible value for buyers as they head into next year,” said Sharyn Leaver, chief research officer at Forrester. “Success will hinge on investing in AI governance, balancing human expertise with AI tools, and empowering teams to deliver clear, validated outcomes. In a volatile market, accountability and clarity will be the cornerstones of competitive advantage for B2B leaders.”

Resources:

• Download Forrester’s 2026 Predictions guides for B2B marketing, sales, and product leaders; B2C marketing and customer experience leaders; and technology and security leaders.
• Register to attend Forrester’s webinar covering key B2B marketing, sales, and product predictions for the coming year.
• Learn how to harness these predictions and discover actionable tools and frameworks to chart a course to growth at Forrester’s regional B2B Summits.
• Visit Forrester’s 2026 Predictions hub to access additional complimentary resources.

About Forrester

Forrester (Nasdaq: FORR) is one of the most influential research and advisory firms in the world. We empower leaders in technology, customer experience, digital, marketing, sales, and product functions to be bold at work and accelerate growth through customer obsession. Our unique research and continuous guidance model helps executives and their teams achieve their initiatives and outcomes faster and with confidence. To learn more, visit Forrester.com.

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