Thomson Reuters names eight Keystone Law partners in its Stand-out Lawyers Guide 2026
Andrea James, Andrew Darwin & Anna McKibbin
“Monica has always combined a deep technical knowledge of UK pension law and practice with a practical and commercial approach.”
- Chairman of the Trustees, client
“Monica is able to relate to non-legal professionals with a style that helps to give clarity and understanding, even when dealing with the most complicated of legal matters – which is greatly appreciated!”
- Pensions Manager, oil technology corporation client
“When advising on extremely demanding and complex issues, Monica displayed great patience, skill and professionalism in guiding the trustees through them in a way that ensured they fully met their duties and obligations while working in real partnership with the employer to help it achieve pressing corporate objectives.”
- Human Resources Director, insurance client
Monica has advised on employee benefits for over 20 years, specialising particularly in pensions and share incentive arrangements. She has wide-ranging experience of all types of employee benefits work, including the establishment of share incentive plans and pension plans. She also provides support on the employee benefits aspects of corporate transactions including M&As, flotations, joint ventures, and corporate restructures as well as executive termination.
Monica’s clients include trustees of pension schemes (of varying sizes), SMEs, start-ups, and law firms that do not have in-house pensions expertise.
Monica advises employers, trustees, and corporate buyers on all aspects of pensions law, including benefit changes, compliance, disputes, investment agreements, scheme wind-ups, and trustees’ powers.
Experience
Monica specialises in designing, implementing, and restructuring share plans and employee trusts, with expertise in compliance, performance-based rewards, and structuring co-investment plans.
Experience
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recognised by Chambers UK for Pensions 2015–2026
Recognised by Best Lawyers UK for Employment Law 2020–2025
Recognised by The Legal 500 for Pensions 2024-2026
Recognised by The Legal 500 for Pensions 2018
Monica was a contributor to Pensions Law (published by Tolley) and The Sale of Shares and Businesses (published by Sweet & Maxwell).
“Monica is an exceptional lawyer who consistently gives excellent advice and guidance. She unfailingly finds pragmatic answers and solutions.”
Chambers UK 2026
“Monica brings clarity to complex issues and is a pleasure to work with.”
Chambers UK 2026
“She's always extremely courteous and a pleasure to work with.”
Chambers UK 2025
“Monica never fails to provide a high level of competence and professional advice.”
Chambers UK 2025
“Working with Monica is a pleasure. I appreciate her proactive and pragmatic approaches to tasks.”
Chambers UK 2025
“The trustees have the utmost respect and confidence in Monica’s abilities and professionalism.”
Chambers UK 2024
“Monica delivers a first-class professional service.”
Chambers UK 2024
“Monica Ma has proved to be an exceptional professional who has provided an invaluable service over the past twenty years or so. The work and response times provided by Monica are of a refreshingly high-quality. A pleasure to have her as our legal advisor.”
The Legal 500 2024
“She is knowledgeable and responsive.”
Chambers UK 2022
“Monica Ma is highlighted by clients for her ‘subject matter expertise’ and her ‘ability to identify practical solutions’. She has a broad pensions practice and often works with clients on deficit issues and benefit changes. ”
Chambers UK 2020
“Monica Ma of Keystone Law is ‘excellent and has the best client knowledge I have ever come across’, according to one impressed source. She advises trustees and sponsors in relation to occupational pensions schemes.”
Chambers UK 2019
“Monica Ma of Keystone Law advises on pensions issues arising from substantial M&A and restructuring transactions. Sources appreciate ‘her pragmatic approach to questions, queries or complaints, and her great ability to focus the trustees’ and the company’s minds as to the approach they should consider.”
Chambers UK 2018
“Monica Ma of Keystone Law is highly regarded for her expertise in pensions, including benefit changes and various investment matters. Clients say: ‘She distinguishes herself by taking ownership, suggesting solutions and by bringing clarity and pragmatism.”
Chambers UK 2017
“Monica Ma of Keystone Law is singled out by clients for her broad experience and expertise in pensions and other employee benefits matters.”
Chambers UK 2016
“Monica Ma of Keystone Law has significant experience across the full spectrum of pensions law. She recently moved to the firm and regularly advises on scheme establishment and management issues, as well as corporate transactions.”
Chambers UK 2015
Monica qualified as a solicitor in 1992. Prior to joining Keystone Law in 2014, she worked at the following firms: