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Sunstone Partners logo
Sunstone Partners
sunstonepartners.com
sunstonepartners.com • HQ: San Mateo, United States • Founded 2016
HQ: San Mateo, United States • Founded 2016
Actively hiring
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Sunstone Partners portfolio

Sunstone Partners (Private equity) is known to hold 18 companies, 2 of them startups. 6 of them are hiring now, with 68 open roles. Most of them work in IT Consulting & Digital Transformation, Cloud Consulting & Migration, Incident Response.

Source: Alion Private equity Oct 4, 2026
Investments
18
2 of them startups
Hiring now
6
68 open roles

Companies Sunstone Partners has invested in

All 18 Hiring now 6
Vcheck Global Financial Advisory, Valuation & Restructuring · United States Venture round · 4 yr ago 4 roles portfolio pageOct 3
Alter Domus Custody & Fund Administration · Luxembourg Venture round $54M · 4 yr ago 2 roles portfolio pageOct 3
Meetingplay Venture round $1.7M · 9 yr ago portfolio pageOct 3
UserTesting United States Venture round $45.5M · 11 yr ago portfolio pageOct 3
OSF Digital AI Agents · Canada 24 roles portfolio pageOct 3
66degrees Cloud Consulting & Migration · United States 18 roles portfolio pageOct 3
Avertium Managed Security · United States 9 roles portfolio pageOct 3
KMS Technology Custom Software Development · Vietnam 7 roles portfolio pageOct 3
ProgenyHealth Care Coordination & Population Health 6 roles portfolio pageOct 3
Clearwatersecurity portfolio pageOct 3
Everservice Advertising portfolio pageOct 3
Knowtion Health - Revenue Cycle & Medical Billing portfolio pageOct 3
Med Tech Solutions portfolio pageOct 3
NetSPI Information Security portfolio pageOct 3
Onica portfolio pageOct 3
Pelotongroup portfolio pageOct 3
Tellihealth portfolio pageOct 3
Thirdera portfolio pageOct 3

Focus

Markets
IT Consulting & Digital Transformation6%
Cloud Consulting & Migration6%
Incident Response6%
Security Operations6%
Managed Security6%
Advertising6%
IT Outsourcing & Dedicated Teams6%
Software Testing & QA6%
Where its companies are
United States22%
Vietnam6%
Canada6%
Luxembourg6%
Stage of its companies
Venture, series not stated100%

Questions about Sunstone Partners

How many companies has Sunstone Partners invested in?

Sunstone Partners is known to hold 18 companies: 2 startups, and 0 exits so far, read from its own portfolio page and the funding rounds that name it.

Is Sunstone Partners investing now?

Sunstone Partners has no round in the press in 12 months and no new company on its portfolio page in 90 days.

What does Sunstone Partners invest in?

The markets of the companies Sunstone Partners holds: IT Consulting & Digital Transformation (6%), Cloud Consulting & Migration (6%), Incident Response (6%), Security Operations (6%), Managed Security (6%).

Which Sunstone Partners portfolio companies are hiring?

6 companies Sunstone Partners holds are hiring now, with 68 open roles listed on this page.

How this page is made

A company counts as a holding when the investor’s own portfolio page links to it, a program’s catalog lists it, or a funding round in the press names the investor. The numbers are rebuilt every night; each company shows where it came from and when it was first seen.

Sources: its portfolio page, read Oct 3

Sunstone Partners portfolio: 18 known companies. Alion, Oct 4, 2026. https://alion.io/company/sunstone-partners/portfolio

Licence: CC BY-SA 4.0JSON