B2B marketing leaders are heading into the 2027 planning cycle facing a fundamentally different environment. AI-driven disruption is accelerating. Buyer behavior continues to shift in ways that challenge long-standing go-to-market approaches. All the while, volatility persists. The traditional assumption that more budget is necessary to achieve better outcomes no longer holds. Growth and resilience now depend on how deliberately organizations allocate resources as much as, or more than, what they spend.

The End Of Incremental Budgeting

Many organizations still treat planning as an incremental exercise. They adjust prior allocations and expand programs, personnel, and technology in parallel. But this approach reinforces legacy models and spreads investment too thinly. It fragments efforts rather than concentrating impact. Instead, marketing leaders must make explicit decisions:

  • Where to concentrate investment
  • What to expand
  • What to stop funding entirely

Reframe Budgeting As A Strategic Lever

High-performing CMOs are redefining how they approach planning. They use budgets not just to sustain operations but to drive meaningful change. Three mindset shifts stand out:

  1. Move From Equal Allocation To Strategic Bets

Instead of distributing budget increases evenly across marketing subfunctions, high-performing CMOs make strategic bets (i.e., targeted investments) that align with business priorities. This requires balancing near-term revenue needs with long-term customer value and growth.

  1. Optimize For Outcomes, Not Activity

More campaigns and more output do not automatically translate into better results. What matters is improving buyer preference, engagement quality, and conversion efficiency.

  1. Fund Change, Not Continuity

The planning cycle is one of the few opportunities to redirect the organization. Strong leaders use the planning cycle to challenge existing allocations and increase focus on what will drive stronger outcomes.

Invest Where Resilience Is Built

As volatility continues, marketing leaders must focus investments on areas that strengthen long-term resilience. It is critical to adapt more quickly to changing buyer dynamics and market conditions. Your key investment priorities for 2027 should include:

  • Visibility in AI-driven buying environments
  • Continuous market and competitive intelligence
  • AI-enabled marketing workflows
  • Integration of brand and demand programs

Divestment Is A Growth Strategy

Growth doesn’t come only from new investments. It also comes from disciplined divestment, as this frees both budget and capacity for higher-impact opportunities. Marketing leaders should be looking at:

  • Eliminating underperforming segments
  • Stopping misaligned or premature AI initiatives
  • Rethinking roles and execution models

Make Experimentation A Deliberate Discipline

AI-driven changes in buying behavior are opening new opportunities for competitive advantage. Leaders treat experimentation as an intentional investment — not an afterthought. Specifically, we recommend:

  • Setting aside dedicated budget for experimentation
  • Testing emerging route-to-market approaches such as AI agents
  • Building private AI capabilities grounded in proprietary knowledge

Avoid These Common Planning Pitfalls

Before locking in plans for 2027, ensure that your investment choices are strategically grounded. Pressure to produce more with less can lead organizations to prioritize what is easiest to count or automate instead of what improves business outcomes. Marketing executives should pay particular attention to overindexing on activity metrics instead of business outcomes and using AI to reduce headcount without redesigning workflows first. Both risk scaling inefficiency rather than improving effectiveness.

Focus Drives Growth In Uncertain Times

The 2027 planning cycle demands a fundamental mindset shift. Success will not come from doing more — it will come from doing fewer things better. Marketing leaders who make deliberate, focused investment decisions will drive stronger outcomes and build resilience, even in the face of continued volatility. Forrester clients can download the full report and request a guidance session to further explore our 2027 Budget Planning Guide recommendations.

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