Thomson Reuters names eight Keystone Law partners in its Stand-out Lawyers Guide 2026
Andrea James, Andrew Darwin & Anna McKibbin
“Simon was excellent to work with and we look forward to completing more projects with Simon and the broader Keystone team in the future.”
- Matthew Beardmore, former Chairman of Pri0r1ty Intelligence Group
“I have worked with Simon professionally for a number of years and have learned that he has a knack of thinking his way around obstacles. What we were looking to do with this SPAC had never been done before, anywhere. Aiming to list it on one of the most prestigious stock exchanges in the world, the LSE, made it even more challenging. Simon was my obvious choice to navigate and drive the arduous process.”
- Steven Schapera, former Chairman of Tertre Rouge Assets PLC
“All members of the Keystone team have been superb and have collaborated openly with numerous other law firms in the UK and abroad in supporting World Programming. Simon Holden went way above and beyond to get all the work done in time to close the deal with Altair. Thank you.”
- Oliver Robinson, former CEO of World Programming
“We have found Simon and his advice to be one of the most important aspects of closing this deal; not only quickly, but fairly. With his sound legal advice, we can have trust in negotiating terms and confidence in being backed up with solid legal support. Having a legal partner like Simon, who is on your side and guiding you throughout the process, is invaluable and instrumental for any founder's journey.”
- Deepak Aulak, Director and Co-Founder of Tooth Fairy Healthcare
“As always, Simon provided his meticulous discerning approach in supporting Wild Nutrition through this recent investment process with Piper. He has been an invaluable partner since Wild’s inception.”
- Charlie Norton, Director and Co-Founder of Wild Nutrition
“Simon's AIM knowledge and experience assisted us greatly in navigating the fundraising process. We thank him for the considerable time and effort which he devoted to getting the transaction finished in such an expeditious manner.”
- Tom Becker, CEO and President of Iofina
Simon is an experienced corporate transactional lawyer specialising in equity capital markets (ECM), venture capital (VC), and mergers and acquisitions (M&A). He acts for a broad range of public and private companies on domestic and cross-border transactions.
Simon’s ECM practice principally focuses on advising issuers, particularly those admitted to the AIM market of the London Stock Exchange. He has acted on numerous IPOs, fundraises, reverse takeovers, and ‘take privates’, as well as providing day-to-day advice regarding corporate governance and regulatory matters. He also advises on regulatory breaches and investigations, and sensitive disclosure issues.
Simon advises on a full spectrum of industries, including natural resources, specialty chemicals, life sciences, and fintech. He has particular experience representing North American and Australian companies and investors.
In addition to his legal practice, Simon has acted and continues to act as company secretary to several AIM-quoted and Main Market issuers, giving him a detailed insight to the workings of and challenges faced by public company boards.
Simon advises on IPOs, fundraises (placings, open offers, and debt issuances), and broader ECM activity across the Main Market, AIM, and the Aquis Stock Exchange, with deep experience supporting issuers, management teams, and advisers on complex corporate finance transactions.
Experience
Simon advises on public and private M&A, including reverse takeovers, acting for buyers, sellers, and target companies across a broad range of sectors and deal sizes, both domestic and international.
Experience
Simon advises private equity and venture capital funds, founders and management teams on investments, exits, and shareholder arrangements, with particular strength negotiating investment and shareholders’ agreements.
Experience
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recognised by The Legal 500 for Corporate and Commercial: M&A Smaller Deals up to £50M 2017, 2023–2025
Recognised by The Legal 500 for Venture Capital 2024–2026
Recognised by The Legal 500 for Gaming and Betting 2022
Recognised by The Legal 500 for Flotations (Small and Mid-Cap) 2017, 2019
Recognised by The Legal 500 for Mining and Minerals 2017, 2019
Recognised by The Legal 500 for Oil and Gas 2017, 2019
“tour de force.”
The Legal 500 2019
Simon qualified as a solicitor in 2002. Prior to joining Keystone Law in 2018, he worked at the following firms: