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Find Co-founders in SeattleBuild Your Network matches founders in Seattle who are actively looking for a co-founder. Set your skills, declare your intent, and get surfaced to founders in Seattle with complementary profiles — no cold email required.
The best co-founders come from warm connections in your ecosystem. Seattle has a strong startup base across cloud computing, enterprise SaaS, e-commerce, gaming, and biotech, supported by Madrona Venture Group, Pioneer Square Labs, University of Washington CoMotion, and Allen Institute.
Build Your Network makes co-founder discovery in Seattle intent-driven: both parties declare they're looking for a co-founder before the match is made. This filters out passive networkers and surfaces only founders who are actively building and ready to partner.
Built for Seattle's founder ecosystem
Tell BYN your skills and what you're building. It surfaces co-founder candidates in Seattle with complementary profiles.
Co-founder matches only happen when both founders have declared they're looking — no wasted conversations.
Filter by distance within Seattle to find co-founders you can meet in person for the early-stage work that matters.
About startup networking in Seattle
Join Build Your Network free, set your intent to "Looking for Co-founder", add your skills and startup description, and enable location discovery in Seattle. BYN surfaces founders in Seattle with complementary skills who are also looking for a co-founder. You can filter by distance — 10 km, 50 km, or 200 km.
The most common co-founder pairings in Seattle's ecosystem are technical + business (a developer and a GTM founder), or domain expert + operator. In Seattle's cloud computing, enterprise SaaS, e-commerce, gaming, and biotech space, look for complementary expertise rather than duplicate skills. BYN lets you filter by skill category.
Yes. Every BYN member has a verified profile with their intent, current project, and background visible before you connect. You can review their profile, see their skills and what they're building, and message them directly — all before any commitment.
Most founders on BYN receive their first relevant co-founder match within 48 hours of setting up a complete profile. Response rates are higher than LinkedIn DMs because both parties have declared matching intent before the connection request.
Yes. Seattle has a strong talent base across cloud computing, enterprise SaaS, e-commerce, gaming, and biotech, and BYN has profiles from engineers, product managers, designers, and domain experts in the city. Filter by skill (engineering, product, design, finance, marketing) to find the right complement for your startup.
Build Your Network (BYN) is a free intent-based networking platform for startup founders. Free accounts include profile creation, co-founder matching, and direct messaging. Premium plans unlock unlimited daily connections and priority discovery.
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