Sigma Partners is a venture capital firm. Team members are concentrated in Menlo Park, California, United States. The known portfolio counts 10 companies, including Demandbase, Welltok, Nasuni, Interactions, Kateeva and Rethink Robotics.
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Investment focus
Who to pitch at Sigma Partners
Sigma Partners portfolio companies (10)
- Demandbase
- Welltok
- Nasuni
- Interactions
- Kateeva
- Rethink Robotics
- aPriori Technologies
- Doxo
- Tula Technology
- BionX Medical Technologies
Co-investors
Funds that share portfolio companies with Sigma Partners.
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About Sigma Partners
The firm's listing covers sectors AI, Climate, Commerce and Consumer, and focus areas Analytics, Cloud Infrastructure, Content and Customer Service; known deals cluster at Growth and Seed.
The team counts 5 people in our database. Bob Davoli (Managing Director), Cliff Haas (Managing Director) and Wade Woodson (Managing Director) are shown as the contacts to pitch.
Sigma Partners shares portfolio companies with 13 other investment firms, among them Sigma Prime Ventures, Brc Innovation and Grupo Sura.
Frequently asked questions
What is Sigma Partners?
Sigma Partners is a venture capital firm whose team is concentrated in Menlo Park, California, United States, with a known portfolio of 10 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Sigma Partners invest in?
Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include Analytics, Cloud Infrastructure, Content and Customer Service. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Sigma Partners invest at?
The known deals of Sigma Partners include Growth and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Sigma Partners?
3 of the 5 people on file at Sigma Partners are listed as contacts for the firm. All 5 have their own profile page.
How do I contact Sigma Partners?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 5 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal