Siris Capital Group is a private equity firm. Based in New York, United States. The known portfolio counts 4 companies, including Constant Contact, Travelport, Digital River and Mavenir.
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Investment focus
- Stage
- Late-Stage
Who to pitch at Siris Capital Group
Siris Capital Group portfolio companies (4)
- Constant Contact
- Travelport
- Digital River
- Mavenir
Co-investors
Funds that share portfolio companies with Siris Capital Group.
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About Siris Capital Group
The firm's listing covers sectors Commerce, Consumer, FinTech and Hardware, and focus areas Audio, Cloud Infrastructure, Commerce Enablement and Communications Infrastructure; known deals cluster at Late-Stage.
Al Zollar (Investor) is listed as the contact to pitch at Siris Capital Group.
Across the known portfolio, 3 co-investors appear alongside Siris Capital Group, including Clearlake Capital Group, Davidson Kempner Capital Management and Canyon Partners.
Frequently asked questions
What is Siris Capital Group?
Siris Capital Group is a private equity firm based in New York, United States, with a known portfolio of 4 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Siris Capital Group invest in?
Listed sectors include Commerce, Consumer, FinTech and Hardware; listed focus areas include Audio, Cloud Infrastructure, Commerce Enablement and Communications Infrastructure. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Siris Capital Group invest at?
The known deals of Siris Capital Group include Late-Stage rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Siris Capital Group?
One person at Siris Capital Group is on file, listed as a contact for the firm, with their own profile page.
How do I contact Siris Capital Group?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal