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Forrester 2027 Predictions: AI Shifts B2B Buying Control Away from Sales Teams

By InnovaAI Research1 min readForrester

Forrester's 2027 B2B predictions warn that AI is transferring buying control from sales teams to buyers themselves, reshaping how go-to-market teams must operate. Simultaneously, Forrester analysts argue that every major martech platform now positions itself as a 'marketing operating system,' creating both complexity and opportunity for agencies managing client tech stacks.

Key Facts

01Forrester's 2027 predictions warn that AI tools will give B2B buyers the ability to research and shortlist vendors before engaging sales teams.
02A separate Forrester report notes that virtually every major martech platform now claims 'marketing operating system' status, increasing complexity for agencies managing client tech stacks.
03Agencies face a dual challenge: helping clients consolidate their martech core while also adapting content and outreach strategies for AI-mediated buyer journeys.
04Automation infrastructure connecting CRM, campaign, and reporting data will be central to both challenges.

Why does this matter for agencies?

▶Buyer-side AI adoption will reduce the effectiveness of high-volume outreach and traditional top-of-funnel tactics within two years, requiring agencies to shift strategy now.
▶Clients locked into competing 'marketing operating system' platforms will need expert help auditing and consolidating their stacks, creating a new high-value advisory service opportunity.
▶Agencies whose own internal workflows are fragmented will be unable to credibly advise clients on automation consolidation.

What should agencies do?

Conduct a martech audit for your top five clients, mapping which platform each treats as their operational core and flagging data silos and redundant tools.

medium effort

Build or update client content assets to use structured, fact-rich formats, such as FAQ pages and detailed case studies with specific outcomes, that AI research tools can surface in buyer journeys.

medium effort

Audit your agency's own automation stack using tools like Make or n8n to eliminate manual handoffs between CRM events, campaign triggers, and reporting workflows.

high effort