Tessa Trevelyan Thomas

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I am a corporate lawyer specialising in public and private M&A.

Having spent over 10 years working in the Magic Circle, I have extensive experience of public M&A transactions. I enjoy the speed and complexity of a public takeover and have acted for numerous Main Market and AIM listed targets, as well as bidders, on both schemes of arrangement and contractual offers. I also regularly advise on the Takeover Code.

I have over 18 years' experience advising on private M&A transactions. I regularly act for entrepreneurs selling their businesses and enjoy building strong working relationships with them, guiding them through the minefield of an M&A process to achieve what is often a life-changing event. I equally enjoy acting for acquisitive corporates, particularly on repeat acquisitions where we can work together to streamline their M&A process.

My practice spans a wide range of sectors. In recent years, I have developed an expertise in ecommerce, software and data, having acted on many deals in these sectors. I also enjoy the challenge of acting in new sectors and recent deals have included sectors as varied as cosmetics, medical parts and financial services.

While I regularly work on domestic transactions, I equally enjoy the additional complexity of cross-border M&A. I have a degree in Modern Languages and am fluent in Italian.

I am ranked as a “Leading Partner” in Legal 500 2026.

When I’m not at work, I have two children, a Cairnoodle dog, four chickens and a pony who (happily!) take up all of my spare time.

Contact Tessa

Acting for Warpaint London PLC, a specialist supplier of colour cosmetics, on its recommended £13.88m offer for AIM listed Brand Architekts Group PLC, a beauty brand specialist.
Acting for Bloom Equity Partners, a US private equity firm, on its recommended offer for AIM listed GRC International Group PLC, an international governance, risk management and compliance company focused on cyber defence.
Acting for Cykel AI PLC, an early-stage AI developer, on its reverse takeover by Mustang Energy PLC, a special purpose acquisition company.
Acting for Lumivero LLC, a US-based global leader in data intelligence software, on its acquisition of Risk Decisions Limited, a software developer based in the UK and Australia.
Acting for the selling shareholders of Highworth Research Ltd, publisher of the largest online database of single family offices internationally, on its sale to With Intelligence, a leading provider of investment intelligence.
Acting for numerous e-commerce aggregators and sellers of e-commerce businesses.

Rapid growth and constant innovation in the way businesses and individuals use, store, trade and consume information and content are continually raising new business and legal issues. In the fast-changing media and technology sector, where many traditional approaches are under challenge, we believe that a combination of experience in contract preparation, negotiation and dispute resolution, and a detailed understanding of IP, regulatory and licensing issues are critical. Businesses require professional advisers who understand the myriad issues affecting the industry.

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From the very beginning, the team lead by Tessa showed exceptional professionalism and expertise. They provided fantastic guidance throughout the entire process, ensuring that my interests were always prioritised. Communication from Tessa and her team was outstanding at every stage of the deal, providing updates and the support I needed. This made the process relatively stress free.
Mark Vujovich, CEO of Edge Medical

Ranked as a "Next Generation Partner" in Legal 500 2023
Legal 500 2023

Tessa Trevelyan Thomas provides a down to earth and friendly approach with a focus on practical solutions for legal issues to minimise time and expenditure. She really focuses on what the client needs and quickly builds a relationship as a trusted advisor that can be relied upon.
Legal 500 2023