Three Harbors Syndicate backs exceptional early-stage founders across the United States, United Kingdom, and Canada.

We invest at the pre-seed and seed stage in AI, BioTech, HealthTech, and RetailTech, partnering with companies that demonstrate early product pull and the potential for durable, compounding growth.

We bring responsive capital, disciplined judgment, and a cross-border network to help founders recruit, sell, and raise their next round. Our focus is simple: back teams building companies that endure.

Three Harbors Syndicate

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