Siris Capital

Venture Capital

Private equity firm targeting control investments in North American middle-market technology and technology-enabled services companies.

West Palm Beach, United States · 8+ investments · 3 portfolio companies

Growth
Late Stage
Data & Analytics
Technology-Enabled Services
Telecommunications
Headquarters
West Palm Beach, United States
Founded
2011
Website
siris.com
AUM
$5.0B
Portfolio Companies
3
Total Investments
8
Last Investment
Dec 2025
Geographic Focus
Canada, United States

Investment Thesis

Control-oriented investments in North American middle-market tech and telecom companies with $10M-$50M EBITDA, partnering with management to navigate strategic and operational complexity.

Siris Capital is a Venture Capital firm based in West Palm Beach, United States. It has made 8 investments, including TPx Communications, Newfold Digital and Digital River. Focus areas include Data & Analytics and Technology-Enabled Services.

Portfolio3

Co-investors5

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5 co-investors across 4 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×3 · Private Equity ×1 · Corporate VC ×1 · 2 shared rounds

Investment History

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