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General Information
Phone(650) 853-1700



San Francisco, USA
727 Sansome st
Suite 300
San Francisco, CA, 94111


Venture Partner
Managing Director
Managing Director
Managing Director


Sigma West

Sigma West is an early stage technology venture capital firm in San Francisco investing in entrepreneurs with passion and drive. We are a group of successful technology industry veterans working to support start-up teams.

Sigma West is building on the 27-year history of Sigma Partners with over $2 billion under management.

We currently invest across the software technology landscape including cloud/SaaS, consumer, enterprise, and storage. Please visit and follow us on Twitter @sigmawest.

Recent Milestones


Company Date Round Size Participants
Omniata 3/2014Series A$5.2M2
DocuSign 3/2014Private Equity$85M11
ToutApp 1/2014Series A$3.35M1
Contently 1/2014Series B$9M5
AlienVault 9/2013Series D$26.5M5
Seismic Software 8/2013Series A$4.5M1
Omniata 2013Seed1



  1. Omniata Completes $5.2M Series A Financing ( [edit]
  2. DocuSign Raises $85M To Speed Up Product Innovation, Expand Into New Verticals ( [edit]
  3. ToutApp Completes $3.35M Series A Funding ( [edit]
  4. With A Fresh $9M, Contently Looks To Position Itself At The Front Of The New Content Marketing Movement ( [edit]
  5. AlienVault Raises $26.5M in Series D Funding ( [edit]
  6. Seismic Closes $4.5M Series A Funding ( [edit]
  7. Omniata Is Building An Analytics, CRM Platform To Watch For The Digital Goods Era ( [edit]
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Last Edited 3/12/14

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