About Siris

Siris was founded in 2011 to bring new thinking and a distinct approach to technology private equity investing.

Siris makes investments in middle-market technology and technology-enabled services companies in North America and Europe. Siris is based in West Palm Beach, Florida.

In October 2026, Siris announced the creation of October Capital, a private equity firm dedicated to investing in services businesses that enable enterprises to adopt and scale transformative technologies. Learn more at octobercapital.com.

People

Siris’ team of experienced investors and industry leaders seek to partner with motivated management teams to work through the increasingly complex challenges of a fast-moving, uncertain environment. Our insight is backed by decades of private equity and technology experience, which we supplement by leveraging our extensive network. We have lived through numerous tech disruptions and transformations, and we’re not afraid of the next set of challenges that await.

Fundamental to Siris’ investment strategy is our team of Operating Partners**. Our Operating Partners are exceptional operating executives who work with Siris to identify, validate, and deliver on the strategic objectives of our investments, and are integrated throughout the firm’s investment lifecycle. Because of their leadership experience, Siris Operating Partners work in close partnership with our management teams to help deliver on each portfolio company’s potential.

View Team

Key Facts

2011

Year Founded

~$9.5 Billion

Capital Invested Since Inception*

~20

Platform Investments

~40

Add-On Acquisitions

* As of 6/30/2026; includes co-investments. Please note that the metrics on this page include amounts for October Capital, LLC, an affiliate of Siris.
** Operating Partners, while not employees of Siris, work with us to identify, validate and operate investment opportunities.