Middle market private equity firm
Rockbridge Growth Equity
- HeadquartersDetroit, MI S2
- Founded2007 S2
- Websiterbequity.com
- Last verifiedOctober 28, 2026
At a glance
| Assets under management | $1.8B (as of Aug 2026) S8 |
|---|---|
| Latest fund | RB Equity Fund III, $360M (Sep 2025) S7 |
| EBITDA range | $5M to $25M S2 |
| Revenue range | $20M+ S2 |
| Check size | $20M to $100M S2 |
| Deal types | Platform, Add-on, Minority S2 |
| Sectors | IT Services & MSP, Insurance Brokerage, Software & SaaS, Accounting & Professional Services, Healthcare Services, Education, Environmental & Waste |
What Rockbridge Growth Equity buys
Rockbridge Growth Equity is a Detroit private equity firm founded in 2007 by Brian Hermelin and Kevin Prokop with the backing of Rocket Mortgage founder Dan Gilbert. It invests in service businesses in four target areas: digital marketing and e-commerce, financial services and fintech, tech-enabled products and services, and digital media. Recent platforms have added technology consulting, insurance brokerage and legal dispute resolution. It looks for at least $20 million of revenue and $5 million to $25 million of EBITDA, and it usually invests $20 million to more than $100 million of equity.
Rockbridge prefers majority ownership but will take a minority stake with the right governance rights, and it wants managers to own equity. Its third fund closed at more than $360 million in September 2025. It also builds companies around an industry executive, as with FormativGroup and American Growth Insurance, which then buy smaller firms. That is the likeliest path for a business below its size range, such as a Salesforce consultancy or an independent insurance agency.
Recent deals
Announced in the 24 months before October 28, 2026.
| Date | Company | Type | Sector | Source |
|---|---|---|---|---|
| Aug 2026 | CheckedUpAgreed sale of the point-of-care health media network to Providence Equity Partners, expected to close in the third quarter of 2026 | Exit | Source | |
| Jul 2026 | American Growth InsuranceLaunch of an Atlanta insurance brokerage roll-up with nearly $70 million of committed equity, backed with venture studio Atomic; first agency purchase closed | Platform | Insurance Brokerage | Source |
| Mar 2026 | FlokSalesforce Service Cloud and Experience Cloud consultancy added to FormativGroup | Add-on | IT Services & MSP | Source |
| Jan 2026 | Eon CollectiveData integration and governance consultancy added to FormativGroup | Add-on | IT Services & MSP | Source |
| Dec 2025 | GeniusVetsVeterinary marketing company added to ProSites under its LifeLearn brand | Add-on | Source | |
| Oct 2025 | Miles Mediation & ArbitrationStrategic investment in an Atlanta mediation and arbitration firm; the CEO and team keep leading it | Investment | Accounting & Professional Services | Source |
| Sep 2025 | RB Equity Fund IIIThird fund closed above target at more than $360 million | Fund close | Source | |
| Apr 2025 | GSTVFuel station video network sold to MidOcean Partners; Rockbridge kept a minority stake | Exit | Source | |
| Mar 2025 | Access Global GroupMajority stake in a Southlake, Texas Salesforce consulting firm, the first company in the FormativGroup platform | Platform | IT Services & MSP | Source |
Portfolio by sector
From the firm's portfolio page S3.
Consumer Services
- Protect Environmental
- The Nest Schools
Digital Marketing
- AcquireUp
- Marquis
- ProSites
Digital Media
- Robb Report
- Vici Media
E-Commerce
- Quartile
Financial Services
- Rapid Finance
Healthcare
- Connect America
Insurance Distribution
- American Growth Insurance
Legal Services / Alternative Dispute Resolution
- Miles Mediation & Arbitration
Technology Enabled Services
- FormativGroup
Past investments: CheckedUp, GSTV
Greymont’s take
How Rockbridge Growth Equity fits a seller
Rockbridge fits owners of tech-enabled service businesses, IT and Salesforce consultancies, insurance agencies and marketing service firms. A company with $5 million or more of EBITDA could become a new platform. Smaller firms are more likely to join one of its build-ups, such as FormativGroup in technology consulting or American Growth Insurance in brokerage, both of which say more acquisitions are planned. The firm also offers ties to the Rock Family of Companies, a group of about 100 affiliated businesses it can draw on for advice and relationships.
Leaders often stay: Miles Mediation's chief executive kept running the company after the 2025 investment. Owners should ask whether they would be selling to Rockbridge itself or to one of its platforms, and how the eventual exit would work for any equity they keep, since recent exits include GSTV, where Rockbridge sold control but held on to a minority stake.
Questions owners ask
What size companies does Rockbridge Growth Equity invest in?
Its stated target is service businesses with $20 million or more of revenue and $5 million to $25 million of EBITDA, with equity investments from $20 million to more than $100 million. It says it will look outside that range when there is a clear growth plan.
Does Rockbridge buy IT services or consulting firms?
Yes. In March 2025 it bought a majority of Access Global Group, a Salesforce consulting firm, to start its FormativGroup platform. FormativGroup then added the data consultancy Eon Collective in January 2026 and the Salesforce firm Flok in March 2026.
Does Rockbridge buy insurance agencies?
Through American Growth Insurance, an Atlanta brokerage platform it backs alongside venture studio Atomic. AGI launched in July 2026 with nearly $70 million of committed equity, has closed its first agency acquisition and plans several more.
Is Rockbridge connected to Dan Gilbert?
Yes. It was founded in 2007 with Dan Gilbert's support and is affiliated with the Rock Family of Companies, about 100 businesses that Rockbridge portfolio companies can draw on for expertise and relationships.
Sources
- S1Rockbridge Growth Equity home page Accessed October 28, 2026
- S2Rockbridge Growth Equity: Approach to Private Equity Accessed October 28, 2026
- S3Rockbridge Growth Equity: Portfolio Accessed October 28, 2026
- S4Rockbridge Growth Equity: News Accessed October 28, 2026
- S5Rockbridge Acquires a Majority Stake in Access Global Group (March 26, 2025) Accessed October 28, 2026
- S6American Growth Insurance Launches Specialty Insurance Brokerage Growth Platform (July 16, 2026) Accessed October 28, 2026
- S7Rockbridge Growth Equity Closes RB Equity Fund III (September 8, 2025) Accessed October 28, 2026
- S8Rockbridge Growth Equity Announces Sale of CheckedUp to Providence Equity Partners (August 18, 2026) Accessed October 28, 2026
- S9Rockbridge Makes Strategic Investment in Miles Mediation & Arbitration (October 2, 2025) Accessed October 28, 2026
- S10Rockbridge Growth Equity Sells GSTV to MidOcean Partners (April 21, 2025) Accessed October 28, 2026
- S11Rockbridge portfolio: Protect Environmental Accessed October 28, 2026
Compiled by Greymont Advisors from public sources, including the firm’s own website and press releases. Greymont is not affiliated with Rockbridge Growth Equity. Figures are as reported on the dates shown and may have changed. Request a correction