Thomson Reuters names eight Keystone Law partners in its Stand-out Lawyers Guide 2026
Andrea James, Andrew Darwin & Anna McKibbin
“Claire has the gift for getting to the heart of a dispute, no matter how complex, and finding the right solution. She is astute, determined and never intimidated by the opposition. Clients love her. Claire has the rare skill and experience to manage cases involving money and children with equal dexterity. She has compassion and empathy without losing her steely focus. Claire is calm in any storm and carries her clients through the tempestuous journey of relationship breakdown. ”
- Leading Family KC
“I want you to know that I feel so grateful I had you alongside this journey in my life. Your support has been invaluable, not only from a (very) professional point but from a human one as well. I felt you gave me the strength to be firm and strong when my husband was so psychologically aggressive and tried to be manipulative. ”
- Mrs. S-D
“You were not only very professional, I felt like I was being looked after by a team of friends who were concerned about how my case was going. ”
- Mrs. D
“Words that come to mind are patient, persistent and generous with her time. ”
- Mrs. C
“You have made a difficult process much more bearable and always provide insightful service.”
- Miss. D
“Claire O’Flinn at Keystone Law was recommended to me as a solicitor who would be able to guide me through the minefield of unravelling my marriage. True to the recommendation, Claire guided me through the process seamlessly explaining how each step of divorce works and what would be sensible and fair for me to consider in my decision making regarding the division of marital finances and considerations for spousal and child maintenance. I would highly recommend Claire to anybody finding themselves going through a divorce. Rather than add to the trauma of separation and divorce, Claire has carefully and gently guided me through the process from petitioning for divorce to the receipt of a decree absolute after ensuring a fair settlement agreement between my ex wife and I. Thank you Claire. ”
- Mr. W
“No wonder Sophie recommended you, you're bloody brilliant. ”
- Mrs. A
“You do definitely do an amazing job of helping people out of awful situations! ”
- Ms. F
“Thanks to you and the team for all you have done. It is appreciated. I am not sure that comes across. It’s a foul weather job you do. ”
- Mr. C
“Thank you and your fabulous team for your professionalism, efficiency and kindness, over the last 12 months. I appreciate that you do this, day in, day out for your various clients, but entering into this unknown world with being 100% confident in your knowledge, skills, experience and understanding of my situation, has allowed me to manage better than I may have otherwise. ”
- Ms. G
“You guys are amazing and the level of compassion and patience you've shown is unique – inspirational women both of you. ”
- Mrs C
Claire is a family solicitor with over 20 years’ experience resolving complex financial and children issues.
She regularly handles reputationally sensitive matters for high-profile clients, often with an international element, ensuring that her clients remain out of the media spotlight. Her practice spans all areas of family law and she specialises in reaching favourable financial solutions for high-net-worth individuals. As well as her financial practice, Claire also acts for parents in disputes concerning their children, frequently reaching successful solutions without making court applications. She is an expert in advising on the impacts of coercive and controlling behaviour within family relationships.
Claire is committed to helping couples part with dignity and minimise the impact on the family. As a trained collaborative lawyer and mediator, she regularly contributes to family law journals, the national press and industry websites. Claire formed and chaired Young Resolution (Surrey) and is a committed member of Resolution – a community of family justice professionals supporting families and individuals to resolve issues.
Claire advises high-net-worth and high-profile clients on all aspects of family law, including divorce, financial settlements, child arrangements, injunctions and confidentiality issues, often involving complex international and reputational considerations.
Experience
Claire advises farming families, landowners and rural business owners on divorce and financial settlements involving agricultural assets, family land, and business interests, ensuring fair division while protecting generational and commercial value.
Experience
Claire advises ultra-high-net-worth Middle Eastern clients and royal families on pre- and post-nuptial agreements, asset protection, jurisdictional issues under UK and Sharia law, and confidentiality within complex cross-border family matters.
Experience
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recognised by The Legal 500 for Family: Children & Family 2021 -2026
Recognised by The Legal 500 for Family: Divorce and Financial Remedy 2026
Top Recommended in Spear’s Family Law Index 2024 – 2025
Acknowledged by Chambers 2025 for many years of experience as a family lawyer and as a qualified mediator, representing clients in highly complex Children Act proceedings, including cases involving criminal allegations and coercive control
Winner – Worldwide Financial Advisor Awards Magazine – Leading Professionals Worldwide 2023 (Divorce – UK)
Recognised in Spear’s 500 as a Recommended Family Lawyer 2020 – 2022
Winner – Corporate LiveWire Global Awards 2019 (Divorce – UK)
Featured in Surrey Life (2018) as a “leading lady of business”
Winner – Lawyer Monthly Women in Law Awards 2018 for Family Law (UK)
Member of Resolution
Co-founder of Surrey Young Resolution
“Claire is a super person to deal with – she is always on the ball and is absolutely excellent with clients, in whom she instils the greatest confidence. She is prepared to come out fighting where this is in the client's interests.”
Chambers UK 2024
“She is an extremely able and experienced solicitor whose judgement is extremely good and who always puts her clients at ease.”
Chambers UK 2024
“Claire O’Flinn brings a personal empathetic touch, with a steely edge, ensuring the best outcomes for her clients. She is very approachable, thorough and provides accurate and timely instructions. She is very able.”
The Legal 500 2024
“Claire O’Flinn is a standout individual. She has a wealth of experience having originated from a magic circle firm in London and continues to present in that sort of polished and meticulous manner. Claire is fabulous with clients from all sorts of backgrounds and she will not take any nonsense from her opponents.”
The Legal 500 2024
“Claire O’Flinn remains one of the top family law solicitors out there. Her experience, wisdom and knowledge mean clients know from the outset that they are in the very best of the best’s capable hands.”
The Legal 500 2024
“Claire O'Flinn goes the extra mile for her clients. Susan Apthorp is a brilliant lawyer and fearless litigator.”
The Legal 500 2026
“Claire O’Flinn is amazing. She led the group like Steven Gerrard led Liverpool. Sharp as a razor and on top of everything as well as being extremely approachable and understanding.”
The Legal 500 2023
“Claire O’Flinn is brilliant.”
The Legal 500 2023
“Claire O’Flinn really adds value to her cases and is hugely capable.”
The Legal 500 2021
“Claire O’Flinn is very organised and concise.”
The Legal 500 2021
Claire qualified as a solicitor in 2004. Prior to joining Keystone Law in 2013, she worked at the following firms: