Thomson Reuters names eight Keystone Law partners in its Stand-out Lawyers Guide 2026
Andrea James, Andrew Darwin & Anna McKibbin
Matt is a corporate partner with over 35 years of experience in advising on all aspects of corporate law in particular domestic and international M&A, equity financings and venture capital, joint ventures, and group reorganisations.
He frequently acts for large corporates and PE-backed businesses acquiring growth companies or SMEs, for founders and management teams on sale transactions, for early-stage/growth companies on fundraisings, and for investors.
Throughout his career, Matt has built up extensive experience in corporate transactions for clients across a variety of sectors and in particular tech, telecoms, media, sports, and life sciences.
He has considerable experience in W&I insurance-backed transactions.
Matt advises on domestic and international M&A, with a focus on mid-market transactions across sectors including technology, telecoms, media, sports, and life sciences.
Experience
Sell side:
Buy-side:
Matt guides investors and early-stage companies through venture capital deals and equity and convertible debt financings.
Experience
Matt supports clients on PE investment transactions.
Experience
Matt supports clients on joint ventures and consortium arrangements.
Experience
Matt advises companies on a range of company law advice including on intra group reorganisations.
Experience
Matt is experienced in advising across the technology sector, with experience spanning acquisitions, joint ventures, and financing rounds for IT, data, fintech, cleantech/clean energy and edtech businesses, and innovative technology developers.
Experience
Matt is experienced in advising in the telecoms sector, having acted for many years in this sector on M&A and joint ventures for telecoms operators and network providers.
Experience
Matt has acted for businesses in the media industry, in particular broadcasting, for over 30 years.
Experience
Matt is experienced in advising on sports transactions.
Experience
Matt is experienced in advising on transactions in the life sciences and healthcare sectors.
Experience
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recommended by The Legal 500 for M&A: Smaller Deals, £10m-£100m 2023–2025
Recommended by The Legal 500 for Venture Capital 2025
“I was particularly impressed by Matt Dennis’ ability to go straight to the crucial points, which were sometimes outside of the corporate area. He anticipates the potential difficulties, is very hands-on, and a pleasure to work with.” The Legal 500 2025
“Matt Dennis is noted for his focus in the technology and IP-rich industries.” The Legal 500 2024
“Matt Dennis has a particular focus on advising clients in the technology and IP sectors. Recent engagements include acting for Blackboard on its purchase of Remote-Learner UK.” Chambers and Partners 2017
Matt qualified as a solicitor in 1990. Prior to joining Keystone Law in 2025, he worked at the following firms: