Sigma Partners

Sigma Partners

Sigma Partners

Date Founded



1600 El Camino Real,Suite 280,Menlo Park, CA 94025-4120

Type of Company



Private Equity & Venture Capital
Investment Services & Portfolio Management

Company Description

Sigma Partners focuses primarily on early-stage investments. The firm seeks opportunities in diverse markets including software, communications, semiconductors, storage, mobile computing, electronics, infrastructure, and software and Internet services. Sigma typically the first venture investor and key board members. The firm typically ranges from $2-8 million, and invests in businesses throughout the United States.

Contact Data
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Executives & Employees


Special Limited Partner


Managing Director

Managing Director


Paths to Sigma Partners
Potential Connections via
Relationship Science
Sigma Partners
Recent Transactions
Details Hidden

Vista Equity Partners Management LLC purchases Acquia, Inc. from Sigma Partners, Tenaya Capital Inc, W Capital Partners, O'Reilly AlphaTech Ventures LLC, North Bridge Venture Partners

Details Hidden

TCMI, Inc. purchases Rave Mobile Safety, Inc. from Sigma Partners, Bain Capital Ventures LP, Trilogy Equity Partners LLC, K1 Investment Management LLC

Details Hidden

DocuSign, Inc. issued USD Common Stock

Transaction Clients

Advised on DocuSign, Inc. issued USD Common Stock


Advised on j2 Global, Inc. purchases KeepItSafe, Inc. from Threshold Ventures, Inc., Sigma Partners, Selby Venture Partners, Coral Capital Management LLC, ORIX Growth Capital LLC, Hatteras Venture Partners, Hercules Capital, Hatteras Capital Investment Management (Venture Capital)

Advised on Kofax Image Products, Inc. issued USD Common Stock

Transaction Advisors
Escrow Agent

Advised onGannett Media Corp. purchases WordStream, Inc.

Escrow Agent

Advised onNuance Communications, Inc. purchases Vlingo Corp. from Sigma Partners, Charles River Ventures, Inc.

Escrow Agent

Advised onNuance Communications, Inc. purchases Vlingo Corp. from Sigma Partners, Charles River Ventures, Inc.

Advisors & Consultants
Legal Advisor

Partner at Fenwick & West LLP

Non-Profit Donations & Grants
$25K - $50K
$5,000 - $10K
$10K - $20K
Details Hidden

aPriori Technologies, Inc. develops and markets product cost management software. The firm offers university education program, cost maturity survey, strategic value assessments, education, and customer and technical support services. The company was founded by Michael L. Philpott, R. Sebastian Schrader and Eric Arno Hiller in 2003 and is headquartered in Concord, MA.

Details Hidden

Demandbase, Inc. operates as a platform for business to business marketers. The firm provides business to business marketing cloud services, advertisement, measurement, personalization, conversion, and consulting services. The company was founded by Christopher J. Golec in 2007 and is headquartered in San Francisco, CA.

Details Hidden

CallMiner, Inc. provides speech analytics services. Its product Eureka is delivered as a cloud-based or on premise contact center monitoring solution. It caters to the business process outsourcing, collections, communications, energy and utilities, finance and banking, healthcare, high ereducation, and technology. The company was founded by Cliff Lacoursiere, Kim C. Brown and Jeffrey A. Gallino and is headquartered in Waltham, MA.

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