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InterWest Partners

Early-stage venture capital firm investing in information technology and healthcare start-ups

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About InterWest Partners

InterWest Partners is a venture capital firm that has backed early-stage information technology and healthcare companies for more than four decades. Its office is in Los Altos, California.

The firm works alongside founders and management teams after investing, offering operating advice as well as funding. Its website says it is not currently seeking new investments, so it is not open to fresh pitches at present.

What InterWest Partners offers

  • Early-stage IT investing — funds young software and technology businesses.
  • Healthcare investing — backs early companies in medicine and health services, including drug developers and physician networks.
  • Hands-on guidance — advises portfolio companies on scaling operations and go-to-market plans.

Who it works with

Founders and management teams in information technology and healthcare. Its portfolio has included a subscription-billing platform, a luxury resale marketplace, an online network for doctors and a cancer drug developer.

Key facts

  • Based in: Los Altos, California, USA
  • Track record: more than four decades of investing
  • Focus: early-stage IT and healthcare
  • Current status: not seeking new investments

Profile written by TrustList from the business's own published information, Oct 2026.

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As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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