Operational Intensity.
Middle-Market Focus.
Deep Technology Expertise.

Siris is a private equity firm that targets control-oriented investments in technology and technology-enabled services companies that are well-positioned to meet the dynamic needs of their customers.

Overview

Siris has raised over $5.9 billion of cumulative committed capital and is currently targeting investment opportunities for companies with $10 million to $50 million of EBITDA and transaction values of $100 million to $500 million.

our history

News

March 9, 2026
Siris Agrees to Acquire a Majority Stake in TAKKION from Apollo Funds
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November 13, 2025
Siris Announces Transition of Managing Partner Peter Berger to Chairman
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Tech & Tech-Enabled Services Focus

Our portfolio consists of companies providing services across the tech and tech-enabled services landscape.

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Team

Combining investment acumen and hands-on operating expertise.

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