Investor profile
Summer Street Capital Partners, LLC
PE
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Summer Street Capital Partners is a Buffalo, NY-based private equity firm founded in 1999 that invests equity capital alongside talented and committed leaders in small and middle-market companies. The firm manages in excess of $625 million in private equity capital and focuses on companies with revenues greater than $10 million, targeting buyouts/management buyouts, growth investments, recapitalizations, and ownership transitions. Summer Street has a particular focus and nearly 25 years of experience in the environmental services sector (solid waste collection, recycling, industrial waste, medical waste), as well as niche manufacturing and business services, operating across the U.S. and Canada. The firm emphasizes a buy-and-build strategy, ensuring key managers have meaningful equity interests, and provides hands-on operational support including organizational development, lean manufacturing, and executive coaching.
Notable quotes
“We are pleased to have completed several exits so far in 2018. Effectively executing a buy-and-build strategy requires alignment with talented and committed management teams. We are grateful to our management partners for their hard work and dedication to excellence.”
“Summer Street and Concentric have a long history of working together, with a focus on marrying our collective expertise and capital with talented leaders to build exceptional solid waste services companies. We are very proud of the business we built in partnership with John and the Frontier team.”
“Dwellworks had a solid base of satisfied customers in the US, and we were just beginning to get traction in our international offices when we decided to bring in more capital to help us diversify our customer base and accelerate our growth. Just a few years later we had completely transformed the business, with new technology-based service offerings and major operations in Mexico, Ireland, Germany, Hong Kong, and the UK.”
Team
Recent investments
| Company | Round | Size | Date |
|---|---|---|---|
| Frontier Waste Solutions | Buyout | — | 2022-01-01 |
| Coastal Waste & Recycling | Continuation Fund / Recapitalization | — | 2021-09-01 |
| Halco Lighting Technologies | Buyout | — | — |
| Dwellworks | Recapitalization | — | 2014-12-01 |
| Multisorb Technologies | Buyout | — | — |
| Curtis Bay Medical Waste Services | Buyout | — | — |
| Action Environmental Services | Buyout | — | — |
| Interstate Waste Services | Growth Investment | — | 2003-01-01 |
| Reichert Technologies | Buyout | — | — |
| Apple Valley Waste | Buyout | — | — |
Frequent co-investors
| VC firm | Deals together |
|---|---|
| Concentric Equity Partners | 3 |
| PA Capital | 1 |
| Glouston Capital Partners | 1 |
| Unigestion | 1 |
| Blue Sage Capital | 1 |
| Trailcreek Capital Group | 1 |
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