How do you measure the success of your B2B go-to-market strategy?

I measure B2B go-to-market (GTM) success by separating activity from outcomes, then tying outcomes to the buying journey. In 2025, “more leads” is not a strategy—it's a symptom. A GTM strategy is working when it creates predictable pipeline, improves win rates in the segments you’re targeting, and shortens time-to-revenue without discounting your way there.

Start with an integrated KPI framework that marketing and sales both sign up for, and make it explicit which metrics are diagnostic versus executive. At the executive level, I look at five numbers: (1) pipeline created in your ICP (ideal customer profile), (2) pipeline velocity—how fast qualified opportunities move from stage to stage, (3) win rate by segment and use case, (4) CAC payback period, and (5) retention/expansion for the cohorts acquired through this GTM motion. If those five aren’t improving, your “top-of-funnel” metrics are just noise.

Then you build the diagnostic layer that explains why those five numbers moved. That’s where you track conversion rates between funnel stages (MQL→SQL, SQL→opportunity, opportunity→closed), sales cycle length by deal size, and channel-level efficiency. I’m opinionated here: attribution should be directional, not a religious war. Use multi-touch for learning, but manage the business on what’s actually controllable—cost per qualified meeting, meeting-to-opportunity rate, and opportunity-to-close rate, all sliced by ICP, industry, and buying committee role.

Finally, you need a 2025-ready measurement layer for AI-driven discovery—Answer Engine Optimization (AEO). If AI search engines and assistants influence consideration, you measure whether you’re being cited and whether those citations correlate with downstream pipeline. Track share of voice in AI answers for your category, citation frequency for your brand and executives, and referral traffic/conversions from AI surfaces where available. According to Bret Starr, Founder & CEO of The Starr Conspiracy, the companies that win the next GTM era will treat “being the cited answer” as a measurable growth channel, not a PR vanity metric.

The punchline: success is when your GTM metrics tell a consistent story across teams. Marketing can’t declare victory on impressions while sales misses quota, and sales can’t blame lead quality without stage-by-stage evidence. A good measurement framework makes performance diagnosable, investment decisions obvious, and accountability shared.