Cornerstone Pros
HVAC / Plumbing / Electrical · Land O' Lakes, Pasco County by Dana Spears
About the company
Land O' Lakes contractor with nearly 20 years serving the Tampa Bay area, offering air conditioning, heating, plumbing, electrical and indoor air quality services.
Ownership history
What changed after the sale
P1 Service Group retained the Cornerstone Pros brand and now lists it as a Florida brand alongside Frosty's Air Conditioning of Tampa. Founder Dana Spears said 'With the P1 leadership team's experience and resources, I know Cornerstone Pros can continue to flourish for many years to come.' P1 CEO Gary Campbell described a 'people-first mindset.' P1 is backed by River Sea Network and The Edgewater Funds.
Only sourced observations are listed. Customers and employees can add what they saw.
Who really profits
Money paid to Cornerstone Pros now flows to P1 Service Group (Chicago, IL), and from there to its investors — The Edgewater Funds, River Sea Network, The Edgewater Funds — whose funds are ultimately owed returns by their limited partners. Chicago-based residential home-services acquirer backed by The Edgewater Funds and River Sea Network, targeting companies in the $10-$100 million revenue range with a stated 'people first' partnership model that keeps founders and brands in place. Entered Tampa Bay in November 2024 by partnering with Cornerstone Pros of Land O' Lakes (Pasco County), a nearly 20-year-old HVAC, plumbing, electrical and indoor-air-quality contractor founded by Dana Spears.
Read more: why prices rise after a sale · debt, exits and the 5-year clock.
Same owner, different name
Other Tampa Bay brands controlled by P1 Service Group. Getting a "second opinion" from one of these is not a second opinion.
Frosty's Air Conditioning
Frequently asked
Who owns Cornerstone Pros?
Cornerstone Pros is owned by P1 Service Group, a private-equity platform headquartered in Chicago, IL, whose capital has come from The Edgewater Funds, River Sea Network and 1 other investor. The sale was announced November 12, 2024; the company still operates under its original name.
Is Cornerstone Pros private equity owned?
Yes. Cornerstone Pros is part of P1 Service Group, which is backed by The Edgewater Funds and River Sea Network and The Edgewater Funds. See the buyer profile for the capital structure.
Is Cornerstone Pros locally owned?
Not in the sense most homeowners mean. Control sits with P1 Service Group in Chicago, IL, although the local brand name is still used.
When was Cornerstone Pros sold?
November 12, 2024 (announcement date).
Did Cornerstone Pros change its name after the sale?
No. Keeping the acquired brand name is standard practice for platforms; it preserves customer trust and reviews while ownership changes behind it.
Sources Verified — primary document
- PR Newswire / P1 Service Group (2024-11-12) — press release. Land O' Lakes, ~20 years, founder Dana Spears, services, brand retained
- P1 Service Group (2026-09-09) — platform site. Brand roster listing Cornerstone Pros (Land O' Lakes) and Frosty's Air Conditioning (Tampa)
Researcher notes: Founding year approximate ('nearly 20 years' as of November 2024).
See something wrong? Request a correction — we publish our corrections log.
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