Private equity firms in Connecticut play an essential role in funding and nurturing businesses across various industries. These firms typically provide capital to companies with growth potential, focusing on those operating in consumer products, healthcare, technology, and manufacturing. As the market evolves, Connecticut's private equity sector is adapting by integrating environmental, social, and governance (ESG) criteria into investment strategies. Firms are not only seeking financial returns but also prioritizing sustainable practices. The demand for flexible financing has led to an increase in innovative investment approaches, making the region a notable hotspot in the private equity landscape.


The firms featured in this listing represent a mix of sizes and specialties within Connecticut's private equity sector. Many of these companies are based in Stamford, reflecting the area's strong financial ecosystem. Founded from 1978 to 2019, they typically focus on middle-market investments, private credit, and specific niches like consumer products and technology. The number of employees ranges from small teams to larger groups, showcasing a range of operational scales and expertise in managing investments.


Continue reading to uncover the top private equity firms in Connecticut.


Top 19 Private Equity Firms Companies in Connecticut


1. Viking Global Investors

  • Website: vikingglobal.com
  • Ownership type: Private
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 93%, United Kingdom (UK) 4%, Other 3%
  • Founded year: 1999
  • Headcount: 201-500
  • LinkedIn: viking-global-investors

Viking Global Investors, founded in 1999 and based in Stamford, Connecticut, is an investment management firm that specializes in both hedge fund and private equity services. With a workforce of approximately 316 employees, the firm manages over $48 billion in capital. Viking employs a research-driven approach to identify and capitalize on investment opportunities across the globe. Their private equity strategy focuses on investing in high-quality, privately held companies, supporting management teams to unlock long-term value. The firm has invested in over 100 companies since its inception, spanning various industries and stages of growth. Viking's commitment to operational excellence and risk-adjusted returns is evident in their investment philosophy, which prioritizes partnerships with best-in-class management teams. They also integrate environmental, social, and governance (ESG) considerations into their investment process, reflecting a modern approach to responsible investing.


2. Olympus Partners

  • Website: olympuspartners.com
  • Ownership type: Private
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 90%, Hong Kong S.A.R 10%
  • Latest funding: Other (Debt), December 2019
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: olympus-partners

Olympus Partners is a private equity firm based in Stamford, Connecticut, founded in 1988. The firm specializes in providing equity capital for middle market buyouts and expansion opportunities. With more than $8.5 billion in capital under management, Olympus Partners collaborates with companies across various sectors, including business services, healthcare, and consumer products. The firm is known for its hands-on approach, working closely with management teams to help them achieve their growth objectives. Olympus has a proven track record, having completed over 95 primary investments and more than 130 add-on acquisitions since its inception. Their investment strategy is characterized by a focus on a limited number of new platforms each year, allowing them to dedicate significant time and resources to each portfolio company. This commitment to partnership and value creation has resulted in substantial returns for their investors, with over $6 billion returned in the past three years alone.


3. Commonfund Capital


Commonfund Capital, now known as CF Private Equity, is an investment management firm based in Wilton, Connecticut. Established in 1988, the firm specializes in private equity, offering a range of investment solutions tailored for sophisticated investors, including pension funds, endowments, and foundations. CF Private Equity has a strong focus on building financial security for its clients through strategic investments in venture capital, growth equity, and sustainability. The firm prides itself on its access to capacity-constrained managers and its commitment to ethical investment practices. With a history of innovation in private equity investing, CF Private Equity has expanded its strategies to include co-investments and secondaries, reflecting its adaptability to market changes. The firm has not reported any recent funding, indicating stability in its operations and a focus on managing existing capital effectively.


4. Atlantic-Pacific Capital

  • Website: apcap.com
  • Ownership type: Private
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 75%, United Kingdom (UK) 18%, Hong Kong S.A.R 8%
  • Founded year: 1995
  • Headcount: 11-50
  • LinkedIn: atlantic-pacific-capital

Atlantic-Pacific Capital, founded in 1995 and headquartered in Stamford, Connecticut, is a private placement and advisory firm that specializes in capital raising for alternative investments. With a global footprint, the firm operates in key financial hubs including New York, London, and Hong Kong. Atlantic-Pacific Capital has successfully completed over 150 capital raising assignments, aggregating more than $107 billion for various alternative asset managers. Their services include fund placement for private equity, private credit, real estate, and real assets, as well as direct private placements and secondary advisory. The firm prides itself on its customized approach, working closely with clients to develop tailored strategies that meet their specific fundraising goals. Their team of 38 professionals brings a wealth of experience, ensuring that clients receive hands-on, senior-level execution on their mandates. Atlantic-Pacific Capital's commitment to maintaining strong relationships with institutional investors enhances their effectiveness in the capital raising process.


5. Gainline Capital Partners


Gainline Capital Partners, based in Stamford, Connecticut, is a private equity firm founded in 2015. The firm specializes in middle-market investments, primarily targeting companies with enterprise values under $250 million and EBITDA between $5 million and $50 million. Gainline partners with management teams to provide essential financial, operational, and strategic resources aimed at driving long-term growth and enhancing business value. Their investment strategy focuses on sectors such as business services, niche consumer products, and niche manufacturing. Recently, Gainline successfully closed its second fund, Gainline Equity Fund II LP, at $400 million, marking a significant increase from its first fund. This growth reflects their active role in the private equity industry and their commitment to supporting entrepreneurial-driven companies.


6. CF Private Equity

  • Website: cfprivateequity.com
  • Ownership type: Private
  • Headquarters: Wilton, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 94%, United Kingdom (UK) 6%
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: commonfund-capital

CF Private Equity, based in Wilton, Connecticut, is an investment management firm that has been active in the private equity sector since its inception in 1988. The firm specializes in providing investment solutions to sophisticated investors, including pension funds, endowments, foundations, and family offices. With a team of professionals who have built careers at top investment management firms, CF Private Equity emphasizes a values-driven approach, focusing on trust, transparency, and ethical behavior. They manage a range of investment programs that include venture capital, growth equity, buyouts, and sustainability initiatives. Their strategy involves constructing portfolios with a mix of primary investments, secondaries, and co-investments, targeting smaller and growing companies. CF Private Equity's commitment to responsible practices and innovation in investment strategies positions them as a relevant player in the private equity industry.


7. Portfolio Advisors

  • Website: portad.com
  • Ownership type: Private
  • Headquarters: Darien, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 77%, Switzerland 14%, Singapore 5%, Other 4%
  • Founded year: 1994
  • Headcount: 51-200
  • LinkedIn: portfolio-advisors

Portfolio Advisors, LLC is a private asset management firm based in Darien, Connecticut, specializing in the U.S. middle market. Since its inception in 1994, the company has focused on providing tailored investment solutions across private equity, private credit, and private real estate. Portfolio Advisors employs a variety of strategies, including direct, secondary, and primary investments, as well as junior and senior credit options. The firm has built a reputation for its strong partnerships within the middle-market community, which has led to superior access and value creation for its clients. In 2023, Portfolio Advisors combined with FS Investments, creating a robust entity that manages over $75 billion in assets. This merger has expanded their reach and capabilities, allowing them to serve a broader range of institutional and individual investors. The firm is committed to responsible investing and has been a signatory to the United Nations Principles for Responsible Investment since 2015, reflecting its dedication to incorporating environmental, social, and governance considerations into its investment approach.


8. Clearview Capital, L.P.

  • Website: clearviewcap.com
  • Ownership type: Family Owned
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 93%, China 7%
  • Founded year: 1999
  • Headcount: 11-50
  • LinkedIn: clearview-capital

Clearview Capital, L.P. is a private equity firm based in Stamford, Connecticut, founded in 1999. The firm focuses on acquiring and recapitalizing lower-middle market companies in North America. With a team of experienced professionals, Clearview has completed more than 150 transactions across various industries, including healthcare, manufacturing, and business services. They prioritize building strong partnerships with management teams, ensuring that operational autonomy is maintained while providing the necessary capital and strategic support for growth. Clearview's investment strategy typically involves companies with a history of profitable growth and favorable prospects, committing personal capital alongside management to align interests. Their portfolio reflects a commitment to enhancing value through both organic growth and strategic acquisitions, demonstrating their active role in the private equity sector.


9. Oak Investment Partners

  • Website: oakvc.com
  • Ownership type: Private
  • Headquarters: Wilton, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1978
  • Headcount: 11-50
  • LinkedIn: oak-investment-partners

Oak Investment Partners is a venture capital firm based in Wilton, Connecticut, founded in 1978. The firm specializes in providing growth equity and strategic assistance to high-growth companies across various sectors, including technology, healthcare, and clean energy. With a robust investment portfolio, Oak has committed over $9 billion to more than 525 companies globally. The firm is known for its hands-on approach, offering not just capital but also deep domain expertise and guidance to help companies navigate their growth journeys. Oak's focus on innovation and market disruption has made it a significant player in the venture capital space, as it actively seeks opportunities that can transform industries and improve business practices.


10. Black Diamond Capital Management

  • Website: bdcm.com
  • Ownership type: Private Equity
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 59%, United States Virgin Islands 14%, India 14%, Other 14%
  • Latest funding: November 2011
  • Founded year: 1995
  • Headcount: 51-200
  • LinkedIn: black-diamond-capital-management

Black Diamond Capital Management is an investment management firm based in Stamford, Connecticut, specializing in high yield credit, distressed credit, and private equity. Established in 1995, the firm has built a robust track record over its 25+ years of operation, managing more than $10 billion in assets. Black Diamond focuses on providing strategic investment solutions tailored to institutional investors and high net worth individuals. Their investment strategies include a mix of performing credit, distressed credit, and private equity, with a strong emphasis on risk-adjusted returns. The firm operates through four integrated platforms: collateralized loan obligations, non-control distressed funds, hedge funds, and control distressed private equity funds. Black Diamond's team of seasoned investment professionals has extensive experience in navigating complex financial situations, including restructurings and business turnarounds across various industries. This expertise allows them to identify and capitalize on unique investment opportunities, further solidifying their position in the private equity market.


11. Brynwood Partners

  • Website: brynwoodpartners.com
  • Ownership type: Private
  • Headquarters: Greenwich, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1984
  • Headcount: 11-50
  • LinkedIn: brynwood-partners

Brynwood Partners is a private equity firm based in Greenwich, Connecticut, founded in 1984. The firm specializes in consumer products, focusing on sectors such as food, beverage, and personal care. With a team of functional experts, Brynwood Partners combines operational know-how with financial resources to drive growth and enhance the performance of its portfolio companies. They have raised over $2.4 billion in committed equity capital since inception and have successfully acquired more than 50 brands from various consumer product companies. Their investment strategy includes corporate carveouts, family businesses, and standalone businesses, with a preference for control buyouts and structured joint ventures. Brynwood Partners is actively seeking new investments, demonstrating their ongoing commitment to the consumer sector.


12. Kidd & Company

  • Website: kiddcompany.com
  • Ownership type: Venture Capital
  • Headquarters: Greenwich, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: $3.4M, July 2017
  • Founded year: 2014
  • Headcount: 1-10
  • LinkedIn: kidd-%26-company

Kidd & Company, LLC is a private equity firm based in Greenwich, Connecticut, established in 2014. The firm specializes in investments in lower middle-market companies across various sectors, providing both capital and strategic guidance to enhance operations and drive growth. Notable portfolio companies include Family RV Group, a specialty retailer of recreational vehicles, and Logistyx Technologies, a leader in transportation management for parcel shipping. Kidd & Company has been active in the industry, successfully executing acquisitions and expansions for its portfolio companies. For instance, Family RV Group has grown significantly under Kidd & Company's guidance, expanding its geographic footprint through strategic acquisitions. The firm has also made headlines with its exit from Logistyx Technologies, realizing a substantial return on investment. With a small team of professionals, Kidd & Company focuses on creating value through operational improvements and strategic initiatives, making it a noteworthy player in the private equity space.


13. Jadian Capital

  • Website: jadiancapital.com
  • Ownership type: Private
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2017
  • Headcount: 11-50
  • LinkedIn: jadian-capital

Jadian Capital is an investment firm based in Stamford, Connecticut, founded in 2017. The firm specializes in real estate and private equity, managing investments in undervalued assets and providing structured solutions for institutional investors and high-net-worth individuals. Jadian Capital employs a value-oriented, opportunistic approach, targeting opportunities across the capital structures of real estate and related asset-intensive businesses. The firm actively manages a portfolio that includes investments in non-core sectors, aiming for long-term fundamental outperformance. Jadian Capital's team has a strong background in investment management, with experience in platform creation, distressed assets, equity, and credit. They prioritize building long-term relationships with management teams who share their vision for value creation.


14. LongRange Capital

  • Website: longrangecapital.com
  • Ownership type: Private
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2019
  • Headcount: 11-50
  • LinkedIn: longrange-capital

LongRange Capital is a private equity firm based in Stamford, Connecticut, founded in 2019. The firm specializes in investing in and enhancing middle market businesses, providing flexible capital solutions and strategic support primarily in North America and Europe. With a committed capital pool of $1.5 billion, LongRange Capital focuses on various investment strategies, including family business recapitalization, corporate carveouts, and acquisition support. Their portfolio includes companies with revenues typically exceeding $200 million, and they are involved in sectors such as non-discretionary consumer goods, value-added industrials, and data services. The firm prides itself on a collaborative approach, working closely with management teams to implement operational improvements and drive growth. LongRange Capital's commitment to integrity, accountability, and innovation underpins its investment philosophy, making it a notable player in the private equity space.


15. Proprium Capital Partners

  • Website: proprium.com
  • Ownership type: Private
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 25%, United Kingdom (UK) 25%, Hong Kong S.A.R 19%, Other 31%
  • Founded year: 2012
  • Headcount: 11-50
  • LinkedIn: proprium-capital-partners

Proprium Capital Partners is a private equity firm based in Stamford, Connecticut, specializing in real estate investments. Established in 2012, the firm has grown to manage over $3 billion in net equity across various investment vehicles. Proprium focuses on principal investing and managing funds for institutional investors, including pension funds, banks, and family offices. The firm has a global footprint, with offices in the United States, the United Kingdom, Hong Kong, the Netherlands, and Australia. Proprium's investment strategy emphasizes long-term, sustainable growth through partnerships with local real estate companies. They have made 35 investments in 11 countries, showcasing their ability to navigate complex markets and capitalize on opportunities in high-growth sectors such as residential, hospitality, and logistics. Their team comprises seasoned professionals with extensive experience in real estate and investment management, further enhancing their capability to deliver strong risk-adjusted returns for their clients.


16. Post Road Group

  • Website: postroadgroup.com
  • Ownership type: Private Equity
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: March 2022
  • Founded year: 2015
  • Headcount: 11-50
  • LinkedIn: post-road-properties

Post Road Group is an investment advisory firm based in Stamford, Connecticut, founded in 2015. The firm specializes in alternative investments, focusing on private credit and equity. They provide flexible capital solutions primarily to real estate owners and developers, with a keen interest in sectors such as digital infrastructure, telecommunications, media, business services, and specialty finance. Post Road Group has successfully invested and committed over $3.2 billion, showcasing their active role in the market. Their strategies include corporate investments, real estate credit, real estate equity, and specialty finance, allowing them to cater to a variety of financing needs. The firm prides itself on building long-term partnerships and promoting growth through creative and flexible capital solutions, which are essential for clients requiring quick financing for various projects.


17. Umergence

  • Website: umergence.com
  • Ownership type: Family Owned
  • Headquarters: Southington, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2015
  • Headcount: 11-50
  • LinkedIn: umergence

Umergence is a broker-dealer based in Southington, Connecticut, founded in 2015. The firm specializes in private placements and alternative investments, providing services that include capital raising, M&A advisory, and investment management. Umergence caters primarily to institutional investors and high-net-worth individuals, leveraging a team of seasoned professionals with an average of over 20 years of experience in the financial industry. Their expertise spans various sectors, and they have collectively raised more than $75 billion in capital throughout their careers. Umergence aims to simplify the complexities of private capital markets, offering tailored solutions to meet the unique needs of their clients. Their proprietary data management systems enhance operational efficiency and facilitate smooth transactions from inception to closing. Umergence also operates a venture studio that connects retail investors with institutional capital, further expanding their role in the investment landscape.


18. Great Mountain Partners, LLC

  • Website: gmp.llc
  • Ownership type: Private
  • Headquarters: New Haven, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2020
  • Headcount: 11-50
  • LinkedIn: great-mountain-partners

Great Mountain Partners, LLC is an investment management firm based in New Haven, Connecticut, specializing in private markets. Founded in 2020, the firm has quickly positioned itself to serve institutional investors seeking long-term capital solutions. Great Mountain Partners focuses on sectors such as media, energy, and infrastructure, developing macro strategies to identify growth opportunities. Their investment philosophy emphasizes building platform companies in collaboration with strong management teams. The firm also provides LP/investor services, enhancing their offerings to asset owners and allocators. With a concentrated client base, Great Mountain Partners aims to deliver transparency and strategic partnerships that are often hard to find in the private equity sector.


19. Hamilton Robinson Capital Partners

  • Website: hrco.com
  • Ownership type: Family Owned
  • Headquarters: Stamford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1984
  • Headcount: 1-10
  • LinkedIn: hamilton-robinson-capital-partners

Hamilton Robinson Capital Partners, based in Stamford, Connecticut, is a family-owned private equity firm that specializes in investments in small to mid-sized businesses across North America. Founded in 1984, the firm has a rich history of realizing the potential of highly engineered manufacturing, distribution, and service businesses. Their investment strategy is centered on management buyouts and recapitalizations, providing not just capital but also strategic support to enhance operational performance. Hamilton Robinson focuses on sectors such as B2B services, specialty manufacturing, and industrial technology, including automation and robotics. They have completed transactions worth approximately $1.8 billion and have partnered with over 80 companies, demonstrating their active role in the private equity market. Their approach emphasizes collaboration with management teams to drive growth and foster a culture of shared ownership, aligning interests for mutual success.



Private Equity Firms Insights: Key Companies in Connecticut


CompanyHeadquarterSizeFoundedOwnership
Viking Global InvestorsStamford, Connecticut, United States (USA)201-5001999Private
Olympus PartnersStamford, Connecticut, United States (USA)11-501988Private
Commonfund CapitalWilton, Connecticut, United States (USA)11-501988Private
Atlantic-Pacific CapitalStamford, Connecticut, United States (USA)11-501995Private
Gainline Capital PartnersStamford, Connecticut, United States (USA)1-102015Private
CF Private EquityWilton, Connecticut, United States (USA)11-501988Private
Portfolio AdvisorsDarien, Connecticut, United States (USA)51-2001994Private
Clearview Capital, L.P.Stamford, Connecticut, United States (USA)11-501999Family Owned
Oak Investment PartnersWilton, Connecticut, United States (USA)11-501978Private
Black Diamond Capital ManagementStamford, Connecticut, United States (USA)51-2001995Private Equity
Brynwood PartnersGreenwich, Connecticut, United States (USA)11-501984Private
Kidd & CompanyGreenwich, Connecticut, United States (USA)1-102014Venture Capital
Jadian CapitalStamford, Connecticut, United States (USA)11-502017Private
LongRange CapitalStamford, Connecticut, United States (USA)11-502019Private
Proprium Capital PartnersStamford, Connecticut, United States (USA)11-502012Private
Post Road GroupStamford, Connecticut, United States (USA)11-502015Private Equity
UmergenceSouthington, Connecticut, United States (USA)11-502015Family Owned
Great Mountain Partners, LLCNew Haven, Connecticut, United States (USA)11-502020Private
Hamilton Robinson Capital PartnersStamford, Connecticut, United States (USA)1-101984Family Owned


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