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Hilary is a family lawyer with extensive experience of advising a wide range of clients on the issues arising from family breakdown. Her background in corporate and commercial matters, and her understanding of complex financial arrangements, means that she is particularly well-placed to advise entrepreneurial couples and families owning small to medium sized enterprises or land and farmland, as well as those with inherited wealth and the retired with pensions in payment.

Hilary’s cases often involve an international element, including child abduction and disputes as to the country in which the child is to be brought up and educated. Hilary is a qualified FMA family mediator and is also able to undertake her own advocacy in court.


Hilary Pennington-Mellor helped me through a very traumatic divorce. Her advice was always pragmatic. For me what stands Hilary apart from others in her profession is her ability to deliver the terms of the law in a sensitive way, managing the legal and emotional aspects of divorce with both professionalism and compassion.


I found Keystone Law to be a refreshingly different way of navigating the complexities of my divorce. Hilary was an immense help and support at the most difficult time for me. Her nerve was always steadfast and her resolve to secure the best position for me was reassuring. She simplified the process for me at every step. Most of all she was human and treated me kindly with warmth and understanding. I came to trust her judgement and through the partnership I had with her, achieved the outcome that I wanted. I do not hesitate to commend her professionalism and recommend her highly as a family focused divorce specialist. I achieved the outcome that I wanted and most importantly moved on successfully with my life.


I could not have got through this time without you. I feel privileged to have had you at my side during my journey; I feel that I learned and developed throughout. I would like to thank you for carrying me through these past eighteen months, you have been so wonderful.

Ms A

I had never imagined that my legal team would become my advisors and emotional support. They were all a pleasure to work with, at all times (literally) going the extra mile to ensure my case was a priority and I personally was safe and sound. Advice was, honest, practical and inventive. I cannot thank them enough for winning my case through their personal dedication and tenacity. I would thoroughly recommend Keystone Law

Ms N P

Divorcing is a testing and stressful time. Hilary’s calm, personable and friendly manner coupled with her significant experience and a steely determination and singlemindedness to look after her client’s best interests was a perfect selection for me and I found her support, advice and guidance a crucial element in delivering and achieving 10 out of the 10 objectives I had set for my divorce. I was particularly grateful for the fresh and creative solutions Hilary offered to stalemate situations and I would thoroughly recommend Hilary as a key choice to support you through the process of divorce and help protect your sanity too.

Mr. M

Throughout the whole process, to the finalization of my case and in fact bringing it to full closure, l found Hilary’s ability to deal with any aspect of the case first class and without question dealt with in a truly professional manner, both safe guarding my interests while briefing me on both parties obligations in the matter. This transparent approach enabled me to understand the issues involved which greatly reduced stress and anxiety in this situation.

Mr. B

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