Private Equity Firms in Massachusetts

Abry Partners is a leading private equity investment firm based in Boston, Massachusetts, with a core focus on media, communications, business services, and information sectors. Established in 1989, Abry has built a reputation for partnering with management teams to drive growth, operational efficiency, and long-term value. The firm targets investments in North America and selectively in Europe, managing a diverse portfolio of companies across its key verticals. With decades of sector-specific experience, Abry Partners stands out for its deep industry knowledge and hands-on investment approach. The firm typically invests in established, cash-flow-positive companies, deploying capital across a range of transactions including buyouts, recapitalizations, and growth equity. Its team of experienced professionals works closely with portfolio companies to support strategic initiatives, M&A execution, and operational improvements. Abry has raised over $14 billion in capital across multiple funds and continues to expand its footprint by identifying scalable business models and strong leadership teams. The firm's consistent success is rooted in its disciplined investment philosophy, strong relationships, and commitment to delivering value for both its investors and the companies it supports.

Adams Street Partners is a leading global private markets investment manager headquartered in Chicago. Established in 1972, the firm has over five decades of experience in private equity, offering a comprehensive suite of investment strategies including venture capital, growth equity, buyouts, private credit, and secondary investments. The firm is 100% employee-owned, fostering a culture of alignment and long-term commitment to its clients. With a presence in more than 30 countries across five continents, Adams Street Partners leverages its extensive network and deep industry insights to identify and capitalize on investment opportunities. The firm's global footprint includes offices in key financial centers such as Austin, Beijing, Boston, London, Menlo Park, Munich, New York, Seoul, Singapore, Sydney, Tokyo, and Toronto, enabling it to maintain close relationships with portfolio companies and investors worldwide. Managing approximately $62 billion in assets under management, Adams Street Partners serves a diverse client base comprising corporate and public pension plans, foundations, family offices, and endowments. The firm's commitment to excellence and innovation in private markets investment management has solidified its reputation as a trusted partner for institutional investors seeking long-term value creation.

Founded in 1984, Advent International is one of the largest and most experienced global private equity firms. With decades of industry leadership, it has established a strong track record of successful investments and deep sector expertise. Advent has invested in over 420 private equity transactions across 43 countries. The firm partners with management teams to accelerate growth through strategic support, operational improvement, and long-term vision alignment. With $94 billion in assets under management as of December 31, 2023, Advent primarily focuses on buyouts and growth equity investments across five key sectors, maintaining a flexible and globally integrated approach.

Applied Value Group is a global management consulting firm that specializes in driving value creation and organizational transformation through a hands-on, results-oriented approach. The firm operates with a "Lean Growth" philosophy, focusing on delivering tangible financial impact and measurable results for its clients. Beyond traditional consulting, Applied Value Group also engages in private and public investments, acquiring majority or minority stakes in businesses, and maintains a strong commitment to social impact initiatives.The firm's history dates back to 1997, when it was founded by Bruce Grant and his long-time partner Jan Stenbeck, head of the Stockholm-based Kinnevik Group. Their vision was to establish a consultancy that moved beyond mere presentations, instead focusing on delivering concrete financial value and demonstrable impact. Initially conceived as a hybrid external and internal management consultancy, Applied Value Group has evolved into a fully independent boutique firm with a global footprint, serving a diverse clientele that includes Fortune 500 companies and private equity firms across various industries.Applied Value Group's practice areas encompass Strategy, Finance & Organization; Sales, Marketing & Growth; Supply Chain & Operations; Sourcing & Procurement; Product & Innovation; and Mergers & Acquisitions. They advise and invest across a wide array of sectors, including automotive, industrials, telecommunications, technology, healthcare, manufacturing, and consumer goods. The firm's investment activities often involve applying its consulting methodologies to improve the operational efficiency and growth of its portfolio companies. In August 2025, Applied Value Group received a strategic growth investment from Trivest Partners, a private equity firm, to further scale its offerings and expand its global reach.The team at Applied Value Group is characterized by an intense, entrepreneurial culture that values decisive, highly motivated, and results-oriented consultants. They emphasize early responsibility, a supportive network, and a global working environment, providing opportunities for professional development across their consulting, investment, and social impact practices. The firm seeks candidates with strong business acumen, financial skills, and a willingness to travel, fostering a flat organizational structure where exceptional ideas are recognized at all levels.

Berkshire Partners LLC is a 100% employee-owned private equity firm founded in 1984 and headquartered in Boston, Massachusetts. The firm specializes in investing in high-potential middle market companies, typically making equity investments ranging from $50 million to $500 million in businesses with enterprise values between $100 million and $1.5 billion. Berkshire Partners focuses on partnering with management teams to help grow their businesses and create long-term value. The firm has developed deep industry expertise across several sectors including consumer products and retail, business and consumer services, healthcare, industrials, technology, and communications. Berkshire Partners applies a collaborative investment approach that emphasizes relationships, integrity, and teamwork, aiming to transform middle market companies into enduring market leaders. The firm manages both private and public equity investments, with its public equity group, Stockbridge, founded in 2007 to manage a concentrated portfolio of long-term investments. With over 150 private equity investments since inception and aggregate capital commitments exceeding $16 billion, Berkshire Partners is currently investing from its Fund XI, which closed in 2024 with approximately $7.8 billion in commitments. The firm is committed to responsible investing practices, including ESG considerations and a goal of net zero greenhouse gas emissions by 2050 or sooner across its portfolio and operations. Berkshire Partners maintains offices in Boston and New York City and employs approximately 147 people.

Catamaran is a private investment firm that manages over $1 billion across various asset classes, including strategic joint venture partnerships, private equity, public equity, and growth-stage venture capital. The firm is dedicated to fostering rapidly growing business ideas that possess a unique competitive edge and the potential to disrupt significant markets, aiming for meaningful and lasting financial success. Catamaran emphasizes collaboration with passionate, skilled, committed, and values-driven entrepreneurs and corporations that adhere to high standards of corporate governance.The firm is backed by Mr. Narayana Murthy, the visionary co-founder of Infosys, whose extensive experience in building a successful global enterprise provides invaluable guidance for the next generation of entrepreneurs. Catamaran was founded in 2010 as a family office, with Catamaran Ventures LLP, its investment manager, incorporated in 2016. [cite: 13, 2, 3, 4 (from previous search results)] The firm operates with offices in Bangalore, India, and Boston, USA, leveraging a global business network to provide market access, talent acquisition, and technology know-how to its portfolio companies.Catamaran's diverse portfolio includes notable investments such as Log9 Materials, a cellular innovation company specializing in lithium-ion battery technology; SpaceX, a leader in rockets and spacecraft and provider of Starlink internet services; Udaan, a B2B trade platform for small and medium businesses in India; Acko, a digital-first insurance provider; Akshayakalpa, an organic dairy enterprise; Hector Beverages (Paper Boat), a trailblazer in ethnic beverages; Aequs, a diversified contract manufacturer; and SEDEMAC, a developer of innovative control technologies. The firm's investment strategy spans early-stage venture capital to growth capital, demonstrating a commitment to supporting businesses through various phases of development, including those with longer gestation periods like manufacturing and deep-tech.The team at Catamaran brings extensive experience in building and scaling large global enterprises, particularly in technology-driven sectors such as software, financial services, and e-commerce. They are adept at navigating both public and private markets, understanding the expectations of public market shareholders and the disruptive power of private enterprises. The firm's approach is characterized by deep research and a strong point of view on target sectors, actively supporting entrepreneurs with strategic, operational, risk management, and financial expertise. [cite: 0, 16, 3 (from previous search results)]

Founded in 1998, Charlesbank Capital Partners is a private equity firm headquartered in Boston, Massachusetts. The firm was established following a spin-out from Harvard Management Company, where its founders managed the endowment’s direct private equity investments. Since its inception, Charlesbank has focused on investing in middle-market companies, leveraging its deep industry expertise and collaborative approach to drive growth and value creation. Charlesbank employs a flexible investment strategy, providing capital for management-led buyouts, growth financings, and opportunistic credit investments. The firm targets businesses across various sectors, including business and consumer services, healthcare, industrial, and technology. By partnering with skilled management teams, Charlesbank aims to build companies with sustainable competitive advantages and strong growth prospects. With offices in Boston and New York, Charlesbank manages a diverse portfolio of companies, primarily in the United States and the United Kingdom. As of March 31, 2025, the firm has approximately $24 billion in assets under management and a team of over 180 professionals dedicated to supporting its investment activities.

Conifer Infrastructure Partners is a dedicated infrastructure investor and company builder focused on creating and investing in high-growth platforms within the energy and critical materials sectors. The firm's investment strategy emphasizes repeatable, scalable business models that generate predictable cash flow and demonstrate strong project execution. They aim to accelerate the development of essential infrastructure systems, particularly those contributing to the energy transition.The firm was founded in 2023 by Nick Stork, who serves as CEO and Managing Partner. Stork brings a significant track record in the energy sector, having previously founded Archaea Energy in 2017. Under his leadership, Archaea Energy grew to become the largest renewable natural gas producer in the United States before its acquisition by BP for $4.1 billion in 2022. Stork also co-founded Noble Environmental, an industry-leading waste and environmental services company.Conifer Infrastructure Partners has made notable investments in companies advancing sustainable solutions. They led a $40 million Series B financing round for M2X Energy, a company developing modular systems for producing low-carbon methanol from stranded methane. Additionally, the firm led a $26 million Series A funding round for Critical Loop, an industrial power solutions company focused on accelerating grid interconnection for various infrastructure. Current Hydro, a developer of sustainable hydropower solutions, is also a portfolio company, working on projects like the 28.5 MW Robert C. Byrd Locks and Dam Hydroelectric Project.The leadership team at Conifer Infrastructure Partners comprises experienced professionals, including Nick Stork, Bryce Pyle (CFO and Partner), Pamela Niditch (Partner), and Kristen Fan (Partner). Their collective expertise spans company scaling, financial strategy, corporate development, and operational execution, largely drawn from their prior roles at Archaea Energy and other prominent firms in the energy, waste management, and financial advisory sectors.

The D. E. Shaw Group is a prominent global investment and technology development firm, recognized for its innovative application of quantitative methods and proprietary computational technology alongside fundamental research. The firm's investment activities span a wide array of strategies, including systematic and discretionary approaches across public and private markets. D.E. Shaw Ventures operates as the group's dedicated venture and growth equity investing arm, focusing on privately owned enterprises in their post-seed through growth equity stages. This venture arm leverages the broader group's deep technical expertise, analytical rigor, and extensive experience in risk management to identify and support transformative companies.Founded in 1988 by David E. Shaw in New York City, the firm began as a pioneer in computational finance with a small team and initial capital. Over the decades, it has grown significantly, establishing an international reputation for successful investing and careful risk management. While Dr. Shaw remains involved in strategic decisions, the firm's day-to-day operations are overseen by a collaborative Executive Committee.D.E. Shaw Ventures targets opportunities primarily in artificial intelligence (AI), deep technology, and enterprise software. The firm also shows a strong interest in financial services, fintech, energy, cleantech, media & entertainment, insurtech, and data analytics. Notable investments include participation in a Series G round for Anthropic and a later-stage venture capital deal with OpenAI, demonstrating its commitment to cutting-edge technology and high-growth companies. The firm has also been instrumental in building and investing in renewable energy companies and projects, as well as launching its DESCOvery venture studio for innovative technology-oriented businesses.The D. E. Shaw Group's team is characterized by its intellectual rigor and diverse expertise, combining quantitative finance with venture investing. The firm's leadership, including its seven-person Executive Committee, brings decades of experience in investment management, technology development, and risk management. This blend of analytical prowess and entrepreneurial spirit enables the firm to partner effectively with founding teams, providing not only capital but also strategic guidance and operational support to foster long-term growth and innovation.

Denham Capital is a global energy transition investment firm specializing in private equity and credit investments. Founded in 2004, the firm focuses on sustainable infrastructure assets, critical metals and minerals, and provides bespoke credit solutions to companies worldwide that are contributing to the global energy transition. They are dedicated to establishing long-term partnerships with entrepreneurs and companies who share their vision for growth and value creation.The firm was founded in 2004 and has since raised over $12 billion in capital across multiple fund vehicles. Denham Capital's investment philosophy is built on a foundation of experience, fairness, economic rationale, flexibility, and trust. They emphasize socially responsible development and stewardship, which are deeply rooted in their culture and investment approach.Denham Capital's portfolio includes investments in various sustainable infrastructure projects, such as wind and solar energy, and critical metals and minerals essential for decarbonization and supply chain security. Notable activities include backing the development of numerous wind, solar, and other energy transition projects globally, and recent partnerships to convert coal plants to power data centers in the U.S. and Europe.The firm's team comprises experienced professionals with deep industry knowledge and operational know-how. Key leaders include Stuart Porter, CEO and Partner, and Justin DeAngelis, Partner and Global Head of Sustainable Infrastructure. The team's diverse backgrounds and expertise in sectors like power, renewables, and mining enable them to deliver financial resources and industry insights to foster successful infrastructure and resource businesses.

Fisher Lynch Capital (FLC) is an independent boutique investment firm founded in 2003, specializing exclusively in private equity co-investments. With over $8.7 billion in investor commitments, FLC partners with top-tier private equity sponsors to provide investors with access to premier, hard-to-access co-investment opportunities. The firm has completed over 200 co-investment transactions, making it one of the most active co-investment groups globally. FLC's investment strategy focuses on collaborating with limited partners to create customized programs that co-invest directly in private equity portfolio companies. These investments span various sectors, including consumer and retail, business and financial services, media and communications, software and technology, healthcare, and energy. The firm's team brings extensive experience from backgrounds in direct private equity, institutional investing, and professional services. Headquartered in San Mateo, California, FLC also maintains offices in Boston and London, allowing it to serve a global clientele. The firm's commitment to building diversified portfolios and its rigorous due diligence process have established it as a trusted partner for institutional investors seeking co-investment opportunities alongside experienced private equity fund managers.

Great Hill Partners is a growth‑oriented private equity firm founded in 1998 and based in Boston, Massachusetts, with an office in London added in 2023. The firm invests in high‑growth, middle‑market companies across software, fintech, healthcare technology, digital infrastructure, and business services. Great Hill typically deploys $100‑500 million per investment and has raised over $12 billion in capital since its inception, backing more than 100 companies. The firm seeks out recurring revenue business models and delivers value via strategic operational support, organic growth, and buy‑and‑build strategies. Known for its founder‑friendly, initiative‑driven sourcing methodology and strong performance, Great Hill has been ranked in the top five in the HEC Paris–Dow Jones Mid‑Market and Large Buyout categories (2021–2024). Notable investments include digital commerce, healthcare platform, and SaaS companies, as well as its media acquisition of VPN‑owned brands to form G/O Media.

H.I.G. Growth Partners is the dedicated growth capital platform of H.I.G. Capital, a leading global alternative investment firm. The firm specializes in making both majority and minority investments in growing, technology-oriented businesses across North America, Europe, and Latin America. They focus on providing substantial resources to middle-market growth companies, acting as value-add partners in the development and implementation of transformational digital and technology-centric strategies to drive superior performance.Founded in 1993, H.I.G. Growth Partners operates as a growth equity firm based in Miami, Florida. The firm leverages the extensive resources and experience of the broader H.I.G. Capital platform, which includes over 500 investment professionals across 18 global offices. This integrated approach allows H.I.G. Growth Partners to offer deep operational, digital, and technology expertise to its portfolio companies.H.I.G. Growth Partners has a successful track record of investing in companies capable of causing significant disruption within their markets. Notable investments include companies like AgileBlue, Avi-spl Iberia, Carebox, Mobile Health, and Worksuite, spanning industries such as network management software, IT consulting, medical records systems, and business/productivity software. The firm also has a history of successful exits, with its latest being from Pyramid Analytics.The team at H.I.G. Growth Partners brings substantial operating, strategic, and financial management experience. Key leadership includes Ross Hiatt, Managing Director & Head of H.I.G. Growth, alongside other managing directors such as Mark Fiske, Evan Karp, Hans Sherman, and Eric Tencer. The firm emphasizes a collaborative, partnership-based approach, working closely with founders and management teams to drive impactful operational improvements and establish market-leading positions.

HarbourVest Partners is a leading global private markets investment firm with over 42 years of experience. Founded in 1982 as Hancock Venture Partners, a subsidiary of John Hancock Insurance, the firm has evolved into an independent entity headquartered in Boston, Massachusetts. HarbourVest offers clients access to a comprehensive suite of private market solutions, including primary fund investments, secondary transactions, direct co-investments, real assets, infrastructure, and private credit. With a presence in major financial centers worldwide, HarbourVest operates offices in cities such as London, Tokyo, Singapore, and Bogotá. This global footprint enables the firm to maintain strong local relationships and insights, facilitating effective investment strategies across diverse markets. HarbourVest's team of over 1,300 professionals is dedicated to delivering customized investment solutions that meet the unique needs of their institutional clients. As of December 31, 2024, HarbourVest manages more than $143 billion in assets under management (AUM). The firm's client base includes a wide range of institutional investors, such as public and corporate pension funds, endowments, foundations, and family offices. HarbourVest's commitment to innovation and excellence has solidified its reputation as a trusted partner in the private equity landscape.

Keensight Capital is a leading European growth buyout firm that partners with profitable, high-growth companies in the technology and healthcare sectors. With a proven track record of more than 20 years, Keensight focuses on businesses that are leaders in their niche markets and have the potential to scale internationally. The firm provides both capital and strategic support to help its portfolio companies accelerate growth and reach new milestones. Keensight Capital typically invests in companies with revenues between €10 million and €400 million, taking significant minority or majority positions. The firm’s collaborative investment approach is rooted in building long-term relationships with founders and management teams. Its investment strategy is driven by deep industry expertise, operational insight, and a clear focus on growth drivers, including digital transformation and innovation in healthcare. Headquartered in Paris, Keensight Capital manages several billion euros in assets and operates with a pan-European scope. The firm has a strong reputation for identifying emerging leaders and helping them expand globally. Through active portfolio management and sector specialization, Keensight creates value for its investors and supports sustainable growth across Europe’s innovation-driven markets.

Kohlberg & Company is a U.S.-based middle-market private equity firm established in 1987 by Jerome and James Kohlberg. Headquartered in Mount Kisco, New York, the firm has nearly four decades of experience in investing to accelerate growth and create value through transformational strategies. Kohlberg specializes in various transaction types, including leveraged buyouts, carve-outs, take-privates, and recapitalizations, primarily focusing on companies within the healthcare and service sectors. The firm targets businesses with strong market positions, recurring revenue streams, and resilient end markets, offering attractive platforms for long-term growth.The firm's investment approach is distinguished by its proprietary White Paper Program, a thesis-driven strategy that involves in-depth thematic research to identify attractive sub-sectors and priority investment targets. This proactive methodology, combined with deep sector experience and strong relationships, enables Kohlberg to partner with exceptional management teams. The firm's value creation strategies are centered on accelerating revenue and EBITDA growth, expanding scale through organic investments and acquisitions, and implementing operational excellence initiatives.As of December 31, 2024, Kohlberg manages approximately $17 billion in client assets. The firm has a significant investment track record, having completed over 95 platform investments and more than 338 total investments and acquisitions to date. Notable recent investments include JA Tech, 3MD Power Services, Société Générale d'Électrotechnique, Teleflex Medical OEM, RESA Power, CLEAResult, Engage PEO, Worldwide Clinical Trials, Riveron, United Digestive, and Trinity Life Sciences.Kohlberg's team comprises nearly 100 professionals, including long-tenured investment partners with an average tenure exceeding 20 years. The investment team is further supported by a dedicated operating team of experienced professionals, including operating partners, executives, and advisors. This comprehensive team brings expertise in various functional areas such as finance, talent development, capital markets, operations, investor relations, and legal, ensuring a holistic approach to supporting portfolio companies and driving value creation.

Natixis Investment Managers is one of the world’s largest asset management firms, known for its multi-affiliate model that provides access to over 15 independent investment managers. This decentralized structure enables a broad array of active investment strategies, including equities, fixed income, multi-asset, private assets, and ESG solutions tailored to client-specific needs. Headquartered in Paris with offices in more than 25 countries, Natixis Investment Managers oversees approximately $1.4 trillion in assets under management as of December 31, 2024. It serves a diverse clientele including institutional investors, fund managers, corporations, and private individuals. The firm is part of Groupe BPCE, the second-largest banking group in France, offering it a strong financial foundation and global reach. Dedicated to responsible investing, Natixis promotes sustainability through its affiliates such as Mirova and Ostrum Asset Management, integrating environmental, social, and governance (ESG) criteria into their investment processes. This commitment supports long-term value creation and contributes positively to global economic and social development.

Founded in 1939, Neuberger Berman is a private, independent, and employee-owned investment management firm headquartered in New York City. With a commitment to active management and long-term client partnerships, the firm offers a broad range of investment strategies, including equities, fixed income, private equity, hedge funds, and multi-asset solutions. Neuberger Berman serves a diverse clientele comprising institutions, advisors, and high-net-worth individuals globally. The firm's investment philosophy emphasizes fundamental research and a client-centric approach. Its private equity division, NB Private Markets, has a team of over 300 professionals across 17 offices worldwide, focusing on co-investments, secondaries, and direct investments. In 2025, Neuberger Berman closed its NB Strategic Capital Fund II with over $4 billion in commitments, underscoring its leadership in GP-led secondary transactions. Operating from offices in 39 cities across 26 countries, Neuberger Berman's global presence enables it to access a wide array of investment opportunities. The firm's dedication to sustainability is evident through its commitment to the Net Zero Asset Managers Initiative, aiming for net-zero emissions by 2050. With a workforce of approximately 3,100 employees, Neuberger Berman continues to prioritize delivering superior investment outcomes for its clients.

Omega Funds is a global investment firm focused on identifying and supporting transformational companies in the life sciences sector. With a mission to improve human health, Omega Funds primarily invests in biopharmaceuticals, medical technologies, diagnostics, and digital health. The firm backs science-driven innovation and partners with entrepreneurs developing breakthrough products across the U.S. and Europe.Founded in 2004, Omega Funds manages approximately $2 billion in assets under management. Its investment strategy spans early to late-stage private companies, as well as select public market opportunities. Omega’s portfolio includes a wide range of pioneering biotech firms tackling high-impact areas such as oncology, rare diseases, neurodegeneration, and gene therapies.Headquartered in Boston, Massachusetts, with an additional presence in London, Omega Funds has built a reputation for deep sector knowledge, long-term support, and close collaboration with scientific founders. The firm often takes a hands-on approach, contributing to company strategy, governance, and clinical development to help build lasting and valuable businesses.As a specialist life sciences investor, Omega Funds continues to pursue opportunities that align with its vision of delivering meaningful therapeutic innovation. Its global perspective and scientific focus make it a key player in the advancement of next-generation healthcare solutions.

Platinum Equity is a Beverly Hills–headquartered private-equity firm founded in 1995 by investor Tom Gores. Over three decades the firm has grown into one of the world’s largest buy-out specialists, stewarding roughly US $48 billion in assets and more than 60 active portfolio companies. The firm’s trademark “M&A&O®” strategy knits together mergers, acquisitions and intense, hands-on operations. Platinum focuses on corporate carve-outs, public-to-private deals and other complex situations where it can deploy in-house operating experts to accelerate turnarounds and bolt-on growth. Its funds are flexible—writing equity cheques from the lower-middle market up to multibillion-dollar global platforms. Sector-agnostic by design, Platinum Equity targets businesses in industrials, consumer & retail, technology, healthcare, media-telecom, finance and natural resources, with transactions completed across North America, Europe and the Asia-Pacific region. More than 360 professionals operate from six offices—Los Angeles, Boston, Greenwich, New York, London and Singapore—sourcing, executing and managing deals worldwide.