With more than two decades of experience, Thomas advises clients throughout the investment cycle, from platform and strategic acquisitions and add-ons to portfolio governance, disposals and exits, including in special situations. He acts on both buy- and sell-side mandates, including in competitive auction processes. He advises sponsors on building and realising their portfolios, and corporates on their strategic growth and divestments.

Beyond transactions, Thomas advises boards, shareholders and management teams on corporate governance, shareholder arrangements, management participation and other strategic matters.

He acts across a range of sectors, with particular depth in energy & infrastructure and technology & software, remaining personally involved in each transaction from start to finish and working closely with the firm's tax, regulatory and financing specialists to provide clients with a single, integrated team.

Thomas has been consistently ranked by Chambers & Partners Global and Europe and by The Legal 500, which recognises him as a Leading Individual in Corporate/M&A. He has also twice been named Belgian M&A Lawyer of the Year in the Client Choice Awards.

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Memberships

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Brussels Bar, 2005
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Private Capital Belgium
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International Bar Association (IBA)
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Qualifications

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LL.M., Duke University School of Law (NC, USA), 2005
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Law degree, Universiteit Gent (Belgium), 2004

What others say

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"He combines strong legal expertise with excellent commercial judgement and is particularly effective in more complex deals."
Chambers and Partners - Global Guide (2026)
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"He comes up with several solutions to solve blocking issues, which shows that he is pragmatic and solution-driven. You feel he deeply cares about what is going on."
Chambers and Partners - Global Guide (2026)
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"He consistently demonstrates a deep understanding of both the legal and business dimensions of a transaction. He is not just a legal adviser, he is a trusted partner in deal execution."
Chambers and Partners - Global Guide (2026)
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"Thomas Lenné is pragmatic, responsive and solution-driven. He is also always focused on moving the deal forward without losing sight of quality or risk."
Chambers and Partners - Global Guide (2026)
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"Thomas Lenné has excellent commercial awareness and his experience working with international clients means his team delivers at the highest level on complex and sophisticated transactions."
Chambers and Partners - Global Guide (2026)
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The ’smart, pragmatic and highly reliable’ Thomas Lenné specialises in private equity deals within the life sciences and technology sectors
Legal 500 - EMEA (2026)
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Thomas Lenné is smart, pragmatic and highly reliable. He is always available and responsive, and gives you real confidence that everything is in safe hands.
Legal 500 - EMEA (2026)
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"Thomas Lenné is a nice person and a good technical lawyer."
Chambers & Partners - Global (2025)
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"Thomas Lenné understands our industry. He possesses an impressive knowledge of our cases. His comprehensive approach ensures that we are fully informed and confident in our legal matters, making him a trusted partner in our business."
Legal 500 - EMEA (2025)
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Thomas Lenné is ranked as Band 3 in Corporate / M&A
Chambers & Partners - Global (2024)
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Thomas Lenné named "Leading individual" in Commercial, Corporate and M&A
Legal 500 - EMEA (2024)
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"He is so business-oriented and always tried to solve the issues."
Chambers & Partners - Global (2023)
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"Thomas Lenné has great commercial acumen and his knowledge of the Belgian and regional context is fantastic."
Chambers & Partners - Global (2023)
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Thomas Lenné named "Key lawyer" in Commercial, Corporate and M&A
Legal 500 - EMEA (2023)
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Thomas Lenné named "Next Generation Partner" in Commercial, Corporate and M&A
Legal 500 - EMEA (2023)
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Thomas Lenné named "Next Generation Partner" in Private equity
Legal 500 - EMEA (2023)
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Thomas Lenné is a great team player, dynamic, commercial and smart.’
Legal 500 - EMEA (2023)
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Thomas Lenné is an excellent dealmaker who understands what truly drives a deal. He is smart, quick, pragmatic and pleasant to work with.’
Legal 500 - EMEA (2023)
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Thomas Lenné is highly active advising clients on the full scope of corporate matters. He is lauded by clients for being "very pragmatic, reliable and proactive, and always within a client's reach."
Chambers & Partners - Europe (2022)
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‘Thomas Lenné for his stand-out availability, clarity and problem-solving skills as well as his mastery of high-level negotiation in M&A transactions.’
Legal 500 - EMEA (2022)
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"Thomas Lenné is a shapeshifter, capable of understanding our goals and adapting to meet them in the most effective way possible."
Legal 500 - EMEA (2022)
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One client comments: "He is very knowledgeable of his client's needs, with a natural international mindset, which makes him able to anticipate questions and be immediately ready with answers and smart, practical solutions. Another client notes that he is "proactive, business-oriented and very well experienced."
Chambers & Partners - Europe (2021)
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“Thomas Lenné is an exceptional talent: he has a deep sector knowledge and is able to anticipate potential issues and challenges in a transaction even before they arise. He also understands the commercial drivers of a transaction, is extremely customer-oriented, dedicated and a true perfectionist. We feel in safe hands with him.“ “We highly appreciate partner Mr. Thomas Lenné. He listens to the customer and convinces with his knowledge in a steady and subtle way. We are convinced that due to his approach we were successful.“
Legal 500 - EMEA (2021)
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"Thomas Lenné really stands out: he is quick, pragmatic, thorough, and above all gives you the sense you are in safe hands."
Legal 500 - EMEA (2026)
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Thomas Lenné

Partner - Attorney at Law

thomas.lenne@loyensloeff.com

Brussels

Dutch, German, English, French, Spanish

Person image

<p>Thomas Lenné is a member of the firm's private equity leadership team and heads the Corporate M&A practice in Brussels. He specialises in private equity and M&A, advising a broad range of Belgian and international sponsors and corporates on Belgian and cross-border transactions.</p>

With more than two decades of experience, Thomas advises clients throughout the investment cycle, from platform and strategic acquisitions and add-ons to portfolio governance, disposals and exits, including in special situations. He acts on both buy- and sell-side mandates, including in competitive auction processes. He advises sponsors on building and realising their portfolios, and corporates on their strategic growth and divestments.

Beyond transactions, Thomas advises boards, shareholders and management teams on corporate governance, shareholder arrangements, management participation and other strategic matters.

He acts across a range of sectors, with particular depth in energy & infrastructure and technology & software, remaining personally involved in each transaction from start to finish and working closely with the firm's tax, regulatory and financing specialists to provide clients with a single, integrated team.

Thomas has been consistently ranked by Chambers & Partners Global and Europe and by The Legal 500, which recognises him as a Leading Individual in Corporate/M&A. He has also twice been named Belgian M&A Lawyer of the Year in the Client Choice Awards.