Partnering with great companies to drive growth

The right partner changes everything

We build great companies and create lasting value.
It’s all about partnership and collaboration, built on a foundation of trust and transparency. Our team leverages deep sector knowledge and operating expertise to drive a shared vision for success.

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Our funds

Over 50 years, our team has raised $36 billion of equity capital, worked with over 170 partner companies around the world and fueled more than 675 add-on acquisitions representing an aggregate enterprise value of over $260 billion.

Flagship funds

THL is currently investing from Fund IX, the firm’s ninth flagship fund. We partner with companies in 18 identified sectors across three industry verticals: Financial Technology & Services, Healthcare and Technology & Business Solutions.

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Automation fund

THL’s Automation Fund helps companies drive digital transformation across diverse end markets—from agriculture and semiconductor manufacturing, to healthcare and eCommerce. Our automation partners work to address important societal challenges and unlock economic opportunity around the globe.

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I’m interested in learning more about

  • Financial Technology & Services (FTS)
  • Healthcare (HC)
  • Technology & Business Solutions (TABS)
  • Automation

Latest

Red Nucleus Announces Majority Investment from THL Partners
Press Release
Red Nucleus Announces Majority Investment from THL Partners 

Strategic Investment Will Support Expanded Offerings for Company’s Global Customer Base Industry Veteran Mike Menta to Serve as Chief Executive Officer YARDLEY, PENNSYLVANIA, October 17, 2024/ Red Nucleus ( “the Company”), a leading provider of strategic services across research and development, medical affairs, market access, and learning and development, today announced that it has received a majority
AMI Announces Majority Investment from THL Partners
Press Release
AMI Announces Majority Investment from THL Partners 

Strategic Investment Will Strengthen AMI’s Role as Key Advanced Computing and AI Infrastructure Provider  ATLANTA, GEORGIA, September 9, 2024/ AMI ( “the Company”), the global leader in Dynamic Firmware, today announced that it will receive a majority investment from THL Partners (“THL”), a premier private equity firm investing in middle market growth companies. AMI provides leading technology companies
YA Group Announces a Majority Investment from THL Partners
Press Release
YA Group Announces a Majority Investment from THL Partners 

Partnership will support continued investments to drive organic growth and strategic acquisitions Nashville, TN, August TK, 2024/ YA GROUP (“YA,” or “the Company”), an international professional services organization providing forensic consulting, engineering, risk mitigation, and related services, today announced that it will receive a majority investment from THL Partners (“THL”), a premier private equity firm investing in
Proving the Value of Generative AI: THL’s Successful Pilot with Coding Assistants
Insights
Proving the Value of Generative AI: THL’s Successful Pilot with Coding Assistants 

THL’s Implementation of Coding Assistants Across Select Portfolio Companies Led to Productivity Increases of Between 10% and 30% and Enabled Accelerated Product Development Key Takeaways Generative AI (GenAI) is a hot topic for its transformative potential and theoretical benefits, but real-world applications are still nascent. To put theory to practice, THL launched a GenAI pilot with select portfolio

Technology & Business Solutions (TABS)
THL Insights: EHS Solutions Market Outlook Strong for 2024 and Beyond
Insights
THL Insights: EHS Solutions Market Outlook Strong for 2024 and Beyond 

Discovering the Indispensable Role of Environmental Health and Safety Solutions (EHS) in Advancing Compliance and ESG Goals — THL’s Lens into Future Potential Key Takeaways: As a vital backbone for global companies, Environmental, Health and Safety (EHS) solutions enable assertive risk management, steadfast regulatory compliance, and ambitious sustainability targets—prerequisites for enduring business success Fueled by the interplay of

Technology & Business Solutions (TABS)
Regulatory Technology and Modern Banking: A 2024 Outlook
Insights
Regulatory Technology and Modern Banking: A 2024 Outlook 

Navigating Compliance, Fraud, and Risk in a Digitally Driven Financial Landscape Key Takeaways: Financial institutions (FIs) continue to face record levels of fraud and financial loss, escalating compliance costs, and a challenging regulatory environment. To effectively combat these growing risk and regulatory burdens, FIs have access to an array of Regulatory Technology solutions to streamline compliance efforts and

Financial Technology & Services (FTS)
YA Group Announces a Majority Investment from THL Partners
Press Release
YA Group Announces a Majority Investment from THL Partners 

Partnership will support continued investments to drive organic growth and strategic acquisitions Nashville, TN, August TK, 2024/ YA GROUP (“YA,” or “the Company”), an international professional services organization providing forensic consulting, engineering, risk mitigation, and related services, today announced that it will receive a majority investment from THL Partners (“THL”), a premier private equity firm investing in
Regulatory Technology and Modern Banking: A 2024 Outlook
Insights
Regulatory Technology and Modern Banking: A 2024 Outlook 

Navigating Compliance, Fraud, and Risk in a Digitally Driven Financial Landscape Key Takeaways: Financial institutions (FIs) continue to face record levels of fraud and financial loss, escalating compliance costs, and a challenging regulatory environment. To effectively combat these growing risk and regulatory burdens, FIs have access to an array of Regulatory Technology solutions to streamline compliance efforts and

Financial Technology & Services (FTS)
Red Nucleus Announces Majority Investment from THL Partners
Press Release
Red Nucleus Announces Majority Investment from THL Partners 

Strategic Investment Will Support Expanded Offerings for Company’s Global Customer Base Industry Veteran Mike Menta to Serve as Chief Executive Officer YARDLEY, PENNSYLVANIA, October 17, 2024/ Red Nucleus ( “the Company”), a leading provider of strategic services across research and development, medical affairs, market access, and learning and development, today announced that it has received a majority
2023 Healthcare Trends and Our Outlook for 2024
Insights
2023 Healthcare Trends and Our Outlook for 2024 

Operational Challenges, Patent Cliffs & Biotech Funding Slowdown, and Generative AI Define 2023; Encouraging Prospects Emerge for 2024 Key Takeaways: The healthcare industry experienced a significant transformation in 2023, driven by three defining trends: operational challenges due to staffing shortages and evolving payment models, looming patent cliffs for pharma manufacturers and a biotech funding slowdown that impacted

Healthcare (HC)
The Future of Pharmaceuticals: How Technology, Big Data, and AI May Help Speed Drug Development
Insights
The Future of Pharmaceuticals: How Technology, Big Data, and AI May Help Speed Drug Development 

A Recap of THL’s Pharma Technology Panel | Fall 2023 Key Takeaways: The pharmaceutical industry is undergoing a digital transformation driven by emerging technology, data proliferation, and artificial intelligence (AI). AI is playing a pivotal role in clinical trials by handling complex tasks and analyzing massive health data sets with speed and precision to ultimately improve the efficiency

Healthcare (HC)
<strong>Intelligent Medical Objects Announces the Acquisition of Melax Technologies Inc.</strong>
Press Release
Intelligent Medical Objects Announces the Acquisition of Melax Technologies Inc. 

Acquisition to expand IMO’s suite of products to improve patient care, clinical workflows, and healthcare data quality CHICAGO–(BUSINESS WIRE)–Intelligent Medical Objects (IMO), a leading provider of clinical terminology management and data quality solutions for healthcare, announced today that it has acquired Melax Technologies, Inc. (Melax Tech). Melax Tech empowers the healthcare and life sciences industries through use of Artificial
Thomas H. Lee Partners Appoints Paul Black As a Consultant for Healthcare Group
Press Release
Thomas H. Lee Partners Appoints Paul Black As a Consultant for Healthcare Group 

BOSTON, Massachusetts, October 11, 2022 – Thomas H. Lee Partners, L.P. (“THL”), a premier private equity firm investing in middle-market growth companies, today announced the appointment of Paul Black as a consultant for the firm’s healthcare investment group. Black, who brings more than 25 years of experience leading companies in healthcare information technology (“Healthcare IT”), will support the team’s efforts in identifying, sourcing, and growing investment opportunities across the healthcare market. “We
AMI Announces Majority Investment from THL Partners
Press Release
AMI Announces Majority Investment from THL Partners 

Strategic Investment Will Strengthen AMI’s Role as Key Advanced Computing and AI Infrastructure Provider  ATLANTA, GEORGIA, September 9, 2024/ AMI ( “the Company”), the global leader in Dynamic Firmware, today announced that it will receive a majority investment from THL Partners (“THL”), a premier private equity firm investing in middle market growth companies. AMI provides leading technology companies
Proving the Value of Generative AI: THL’s Successful Pilot with Coding Assistants
Insights
Proving the Value of Generative AI: THL’s Successful Pilot with Coding Assistants 

THL’s Implementation of Coding Assistants Across Select Portfolio Companies Led to Productivity Increases of Between 10% and 30% and Enabled Accelerated Product Development Key Takeaways Generative AI (GenAI) is a hot topic for its transformative potential and theoretical benefits, but real-world applications are still nascent. To put theory to practice, THL launched a GenAI pilot with select portfolio

Technology & Business Solutions (TABS)
THL Insights: EHS Solutions Market Outlook Strong for 2024 and Beyond
Insights
THL Insights: EHS Solutions Market Outlook Strong for 2024 and Beyond 

Discovering the Indispensable Role of Environmental Health and Safety Solutions (EHS) in Advancing Compliance and ESG Goals — THL’s Lens into Future Potential Key Takeaways: As a vital backbone for global companies, Environmental, Health and Safety (EHS) solutions enable assertive risk management, steadfast regulatory compliance, and ambitious sustainability targets—prerequisites for enduring business success Fueled by the interplay of

Technology & Business Solutions (TABS)
<strong>Intelligent Medical Objects Announces the Acquisition of Melax Technologies Inc.</strong>
Press Release
Intelligent Medical Objects Announces the Acquisition of Melax Technologies Inc. 

Acquisition to expand IMO’s suite of products to improve patient care, clinical workflows, and healthcare data quality CHICAGO–(BUSINESS WIRE)–Intelligent Medical Objects (IMO), a leading provider of clinical terminology management and data quality solutions for healthcare, announced today that it has acquired Melax Technologies, Inc. (Melax Tech). Melax Tech empowers the healthcare and life sciences industries through use of Artificial
<strong>Bynder Announces Majority Investment from Thomas H. Lee Partners</strong>
Press Release
Bynder Announces Majority Investment from Thomas H. Lee Partners 

Partnership will support continued product innovation and customer growth AMSTERDAM–(BUSINESS WIRE)–Bynder (“the company”), a global leader in Digital Asset Management (DAM), today announced that it will receive a majority investment from Thomas H. Lee Partners, L.P. (“THL”), a premier private equity firm investing in growth companies. The partnership will accelerate Bynder’s ability to help brands overcome the complexity of

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