Differentiated Strategy.
Sound Execution.
Operational Focus.


Siris is a private equity firm that invests in mission-critical, mature tech & telecom businesses at strategic crossroads.

Our StrategyOur Team

Since 2011


Siris has raised over $5.9 billion of cumulative committed capital and is currently targeting investment opportunities with transaction values of $500 million to $2 billion.

Tech & Telecom Focus


Our portfolio consists of companies with mission-critical products and services across the tech and telecom landscape.

News


February 15, 2024

Siris Closes Sale of its 50% Ownership Stake in Constant Contact  Read More

January 25, 2024

Siris Announces the Promotion of Stephen Catera to Partner  Read More

Team


Combining investment acumen and hands-on operating expertise.

New York


601 Lexington Ave.
59th Floor
New York, NY 10022

Palm Beach


Phillips Point West Tower
777 S. Flagler Drive
Suite 1400
West Palm Beach, FL 33401

New York


601 Lexington Ave.
59th Floor
New York, NY 10022

Palm Beach


Phillips Point West Tower
777 S. Flagler Drive
Suite 1400
West Palm Beach, FL 33401