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Field NoteEcosystems & Partnerships
CAC Looks Different When Trust Travels Through Ecosystems.
William Gaultier
Partner
7 min read·November 2025
When trust travels through ecosystems, CAC is not just a media problem. It becomes a design problem.
Ecosystem-driven acquisition creates stronger economics over time. The cost of acquiring a customer through a trusted partner is structurally lower than acquiring them through cold outreach — because the trust has already been established.
The companies that understand this design their acquisition systems around ecosystems, not just media channels. They invest in partner relationships, co-selling motions, and shared commercial outcomes.
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