# Sigma Partners: Venture capital & private equity, Danville, United States

> Sigma Partners: Sigma Partners is a venture capital firm founded in 1984, focusing on early-stage technology investments. Based in Danville, United States.

Source: https://millionrounds.com/startup/sigma-partners (Millionrounds; every figure on the page links to its filing or article)

United States · [Venture capital & private equity startup](https://millionrounds.com/companies)

# Sigma Partners

Sigma Partners is a venture capital firm founded in 1984, focusing on early-stage technology investments.

Funding reported Last round: Seed

Venture capital & private equity Danville, United States

Company summary

- **Founded:** 1984 42 years old
- **Team:** 16 11 to 50 people
- **Funding reported:** $150M in dollars
- **Last round:** Seed Oct 2012

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Sigma Partners has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About Sigma Partners

Sigma Partners is a venture capital firm founded in 1984, focusing on early-stage technology investments.

With headquarters in Danville, CA; Menlo Park, CA; and Boston, MA, the firm operates as a private partnership and employs approximately 13-14 people. Sigma Partners manages over $2 billion in assets and has invested in more than 100 early-stage companies across various sectors, including biotechnology, software, healthcare, and telecommunications. The firm emphasizes a unique hiring philosophy, prioritizing partners with hands-on entrepreneurial experience. This approach allows Sigma Partners to provide valuable tactical and strategic guidance to its portfolio companies. Although the firm is no longer actively making new investments, it continues to manage its existing portfolio, supporting companies in their growth and international expansion.

## What company datasets say Sigma Partners raised

Funding, as reported

Reported in all **$150M** in dollars

Last round **Seed**

Last round size **$150M**

Last round date **Oct 2012**

## The company, in detail

What they build

Known for

focusing on earlystage investing services we are typically the first venture investor key board members our initial investment typically ranges venture capital & private equity principals b2b we invest in businesses throughout the united states

Built with from their website

Google Workspace Google Cloud Hosting Google Meet React Wix Gmail

- **Sector:** Venture capital & private equity
- **Industry code:** NAICS 523940, SIC 6411, 6199
- **Region:** California
- **Revenue:** $10M a year, as listed

## Venture capital & private equity in United States

Startups like it

- [**A LIST GROUP HOLDINGS** New York · founded 2015](https://millionrounds.com/startup/a-list-group-holdings)
- [**Romulus Capital** Boston · founded 2008](https://millionrounds.com/startup/romulus-capital)
- [**AHOY Capital** Palo Alto · founded 2018](https://millionrounds.com/startup/ahoy-capital)
- [**Sydecar** San Francisco · founded 2021](https://millionrounds.com/startup/sydecar)
- [**Inversion** New York · founded 2024](https://millionrounds.com/startup/inversion)
- [**VALKYRIE** Newport Beach · founded 2018](https://millionrounds.com/startup/valkyrie-3)
- [**The Farmer Companies** Burlington](https://millionrounds.com/startup/the-farmer-companies)
- [**Elm Street Ventures** New Haven · founded 2006](https://millionrounds.com/startup/elm-street-ventures)

## Is this your company?

Add your raise, your deck and your story, and put Sigma Partners in front of investors. Or tell us what we have wrong.

[List your startup](https://millionrounds.com/list-your-startup)[Send a correction](https://millionrounds.com/corrections)