129 Seed Investors in San Mateo (2026)

129 investors backing seed startups from San Mateo, with stage, check size, and contact routes. Includes General Catalyst and Mayfield Fund.

129 Seed investors in our directory list San Mateo as a base of operations. Across the 24 sectors we track in San Mateo, Seed ranks 4th by investor count. San Mateo is one of 13 cities with tracked Seed investors; San Francisco leads with 199. Each profile links to the firm's stage focus, portfolio companies, and source-cited filings.

Other investor sectors in San Mateo (8)

Seed investors in other cities (8)

All Seed investors · All investors in San Mateo · Investor directory

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•By Alejandro Cremades