Founded in 1991, Sterling Investment Partners is a middle market private equity firm with a long history of building companies across its targeted industry sectors. Sterling has completed over 195 transactions in partnership with strong management teams who share our vision of collaborative value creation. The firm seeks to invest primarily in companies with favorable competitive positions and strong prospects for growth through a careful investment selection process that has been honed by a cohesive team of senior investment professionals. Our approach to creating equity value is to support our management teams in accelerating growth, completing add-on acquisitions and building strong operational capabilities. Sterling is a long-term oriented investor. The achievement of our growth and development objectives with management has occurred over an average ownership period in excess of five years. Significant incremental co-investment capital has been invested in Sterling portfolio companies by our limited partners which include leading global institutional investors. Sterling investment professionals make a substantial investment in each of our private equity funds.
Key industries Sterling focuses on are value-added distribution and business services.
Key industries Sterling focuses on are value-added distribution and business services.
Location: United States, Connecticut, Westport
Employees: 11-50
Founded date: 1991
Investment Type: Private Equity Firm
Portfolio 29
| Date | Name | Website | Total Raised | Location |
| 17.11.2021 | Camp Const... | campconstruction.com | - | United Sta... |
| - | Interline ... | interlinebrands.com | - | United Sta... |
| - | Marcone Su... | marcone.com | - | United Sta... |
| - | Service Lo... | servicelogic.com | - | United Sta... |
| - | Anser Advi... | anseradvisory.com | - | United Sta... |
| - | Survey Sam... | surveysampling.com | - | United Sta... |
| - | CBORD | cbord.com | - | United Sta... |
| - | Aavid Ther... | aavid.com | - | United Sta... |
| - | HeartLand,... | heartlandcompany.com | - | United Sta... |
| - | Tidewater ... | tidewater.com | - | United Sta... |
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News 129
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Mentions in press and media 13
| Date | Title | Description |
| 20.02.2026 | Markon Acquires Millennium Corporation, Expanding Mission Critical Cyber Capabilities Across National Security Markets | Markon Acquires Millennium Corporation to Deliver Expanded Mission Critical Cyber Capabilities Across National Security Markets Markon's Acquisition of Millennium Corporation Strengthens End-To-End Cyber Delivery, Scale, and Resilience for ... |
| 25.11.2025 | Sterling Investment Partners Closes Over $1.6 Billion in Fifth Fund | Sterling Investment Partners, a Greenwich, Conn.-based middle market private equity firm focused on business services and distribution sectors, closed its fifth institutional fund, Sterling Investment Partners V, L.P., at $1.6 billion in in... |
| 06.12.2024 | Markon Welcomes Leverage Information Technologies, Strengthening Employee-Centered Culture and Technology Expertise | Uniting Innovation and Culture: Markon and LIT Forge a People-First Partnership to Advance Federal Mission Excellence (c) 2024 Leverage Information Technologies (LIT) Markon and LIT: Partnering to Empower Teams and Elevate Mission Success T... |
| 29.11.2024 | Markon Enhances National Security Capabilities with Strategic Acquisition of JY Systems | Markon Enhances National Security Capabilities with Strategic Acquisition of JY Systems Acquiring JY Systems expands Markon's expertise in systems, software, and cyber engineering, particularly in support of SIGINT and cyber security missio... |
| 07.05.2024 | Sterling Investment Partners Acquires Verdantas, a Provider of Integrated Environmental Science, Engineering, and Consulting Services | WESTPORT, Conn., May 7, 2024 /PRNewswire/ -- Sterling Investment Partners ("Sterling") today announced that it has acquired Verdantas, LLC ("Verdantas," or the "Company") from Round Table Capital Partners (&quo... |
| 24.01.2023 | Sterling Investment Partners Closes Fund IV, at $934M | Sterling Investment Partners, a Westport, CT-based middle market private equity firm investing in distribution and business services companies, closed Fund IV, at $934M. SIP IV continues Sterling’s strategy of partnering with dynamic middle... |
| 23.01.2023 | Top tech startup news for Monday, January 23, 2023: Bitcoin, BoFA, Microsoft, Spotify, and Xylem | Good evening! Below are some of the top tech startup news stories for Monday, January 23, 2023. Bitcoin briefly tops $23,000 as the world’s most popular cryptocurrency up almost 39% since the start of January Maybe not a fake rally after a... |
| 23.01.2023 | Sterling Investment Partners raises $934M in funding for its Fund IV to invest in middle market companies | The global macro events and the global economic slowdown is making it increasingly harder for startups to raise funding. Founders are scrambling to get more cash than the amount VCs are willing to deploy. The problem is not just limited to ... |
| 04.09.2019 | Sterling Invests in HeartLand | Sterling Investment Partners, a leading middle market private equity firm, announced today that it has made a majority equity investment in HeartLand, in partnership with management. HeartLand is a premier provider of commercial landscape a... |
| 31.07.2017 | Warburg Pincus Acquires Service Logic from Sterling Investment Partners | Warburg Pincus, a global private equity firm focused on growth investing, today announced that funds affiliated with the firm have agreed to acquire MSHC, Inc., the largest provider of aftermarket maintenance, repair and replacement service... |
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