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Sigma Partners
What Does Sigma Partners Do?
Sigma Partners was a prominent venture capital firm that specialized in early-stage investments in technology companies, particularly in areas like software, communications, and internet services. Founded in 1984, the firm played a significant role in funding numerous successful startups, contributing to innovation in the tech sector. Sigma Partners operated with funds typically named Sigma Partners L.P. followed by a Roman numeral (e.g., Sigma Partners VIII, L.P.). While the firm is no longer actively making new investments from new funds, its legacy portfolio and historical impact remain noteworthy. Many of its partners have moved on to other ventures or continue to manage the existing portfolio.
Where Is Sigma Partners's Headquarters?
HQ Function
Served as the primary hub for deal sourcing, investment decisions, portfolio company management, and administrative operations for its West Coast activities.
Notable Features:
Located in a prominent area for venture capital firms, offering proximity to startups and other investors in Silicon Valley.
Work Culture:
As a venture capital firm, the culture was likely fast-paced, intellectually stimulating, and highly analytical, focused on identifying and nurturing high-potential technology startups. Emphasis on deep industry knowledge, strong networks, and collaborative decision-making among partners.
HQ Significance:
Strategically positioned in Silicon Valley, the epicenter of technological innovation, allowing direct access to entrepreneurs, talent, and market trends. The East Coast office provided similar access to that region's tech ecosystem.
Values Reflected in HQ: The choice of locations reflected a commitment to being at the heart of innovation, fostering close relationships with entrepreneurs, and driving technological advancement through strategic investment.
Location:
While Sigma Partners' primary investment focus was on U.S.-based early-stage technology companies (primarily on the West and East Coasts), many of its portfolio companies grew to have global operations and customer bases. The firm's support would extend to strategic advice for international expansion, market entry, and scaling operations worldwide for these successful investments.
Street Address:
1600 El Camino Real, Suite 280 (Historical West Coast Address)
City:
Menlo Park
State/Province:
CA
Country:
USA
Where Else Does Sigma Partners Operate Around the World?
Boston, MA, USA (area)
Address: Historically, addresses in areas like Waltham or near Cambridge (e.g., 1000 Winter Street, Waltham, MA 02451 was a known past address).
To tap into the innovation and entrepreneurial talent from East Coast universities (like MIT, Harvard) and established tech hubs, complementing the West Coast operations and providing broader market coverage.
Buying Intent Signals for Sigma Partners
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Who's Leading Sigma Partners? Meet the Executive Team
As of April 2025, Sigma Partners' leadership includes:
Who's Investing in Sigma Partners?
Sigma Partners has been backed by several prominent investors over the years, including:
What Leadership Changes Has Sigma Partners Seen Recently?
As Sigma Partners is a legacy firm and no longer actively making new investments from new funds, there have been no publicly announced executive hires or exits directly attributed to 'Sigma Partners' as an active investing entity in the last 12 months. Former partners may have taken on new roles at other firms or ventures, but these are not direct changes within Sigma Partners' operational structure.
What Technology (Tech Stack) Is Used bySigma Partners?
Discover the tools Sigma Partners uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Sigma Partners Email Formats and Examples
Historically, Sigma Partners likely used common corporate email formats. Given the firm's legacy status, email addresses using the @sigmapartners.com domain are unlikely to be actively monitored or functional for new business. Common formats at similar VC firms often include first initial + last name or first name.last name.
[first_initial][last]@sigmapartners.com (e.g., jdoe@sigmapartners.com) or [first].[last]@sigmapartners.com (e.g., jane.doe@sigmapartners.com)
Format
bdavoli@sigmapartners.com (historical example)
Example
5%
Success rate
What's the Latest News About Sigma Partners?
PR Newswire (via TheFreeLibrary) • March 1, 2012
Wordstream Raises $9 Million in Series B Financing Led by Sigma Partners and Egan-Managed Capital
WordStream, Inc., a provider of search engine marketing software, today announced that it has secured $9 million in Series B financing. The round was co-led by new investor Egan-Managed Capital and existing investor Sigma Partners. The funding will be used to accelerate WordStream's product development and expand sales and marketing efforts....more
Dark Reading (originally reported by various outlets) • December 13, 2006
Veracode Gets Funding (Series A)
Veracode Inc., a provider of automated application security testing solutions, announced it had secured $7.8 million in Series A funding. The round was co-led by .406 Ventures and Sigma Partners. Paul Flanagan, a general partner at Sigma Partners, joined Veracode's board of directors....more
EDGAR Online via SEC Filing • October 18, 2000
Sigma Partners VI, L.P. Form D Filing
Sigma Partners filed a Form D with the SEC for its fund, Sigma Partners VI, L.P., indicating a total offering amount of $400,000,000 for venture capital investments. This filing is representative of their fundraising activities to invest in early-stage technology companies....more
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