The agency business is brutal.
I reviewed a small agency’s 2024 client list. By January 2026, 55% of those clients were gone or inactive.
That’s not a performance anomaly. It’s the operating environment.
What the data suggests:
- 78% of senior marketers expected to run an agency/partner review in the next 12 months (Campaign Live, November 2024)
- 78% of new CMOs initiate an agency review quickly (often within months). (Winmo, 2019)
- Fortune 500 CMO tenure: ~3.9 years (Forrester, 2025).
- Tech/SMB CMO turnover implies ~1.8-year median tenure (Pave, 2025)
What the means for Agency growth:
- Losing 15–20% annually is “normal” before macro/budgets/results
- With a ~30% win rate, agencies must pitch ~100–120% of current revenue just to offset churn and grow ~15%
Implications:
- If half of leadership focus isn’t on growth, the agency is smaller in 3 years
- Retention isn’t “relationships.” It’s ongoing relevance (new ideas, new impact, new capabilities)
Service diversification matters (when done right):
- More services → more entry points
- More services → higher revenue per opportunity
- More services → higher switching costs → higher retention
In a world of short CMO tenures, agencies aren’t retained — they’re re-chosen. Repeatedly.
In 2026, Forrester is forecasting a 15% reduction in agency jobs and WSJ reports 36% of CMOs expect to reduce head count.
The signals are clear. Client churn will be even higher in 2026.
For growing agencies who are prepared with the right, relevant services, 2026 is a massive opportunity. Let’s go get it.
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