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Ronnie Mortimer

Ronnie Mortimer


I specialise in family law, including divorce and relationship breakdown, cohabitation, jurisdictional disputes, children issues and pre and post nuptial agreements.


I advise on a range of family law issues and specialise particularly in divorce, finances, pre and post nuptial agreements and arrangements for children. I also advise on cohabitation agreements, as well as separation agreements. Many of my cases have an international element and involve high net worth individuals.

I take a pragmatic approach to achieve the best outcome for my clients. I consider all forms of Alternative Dispute Resolution, such as Mediation, but I fully appreciate the need to issue Court proceedings where the case demands it.

I am a member of Resolution, an organisation of lawyers and other family justice professionals who are committed to following a non-confrontational and constructive approach to resolving family issues. In accordance with one of the key tenets of Resolution, I assist my clients to understand and manage the potential long-term financial and emotional consequences of decisions.

In my spare time, I volunteer as Legal Counsel for Pride in London. I enjoy trail-running on Hampstead Heath (come rain or shine). I travel as much as I can. I am quite content to either trek up a mountain in south east Asia or spend a long weekend people watching in a European city.


Working closely with clients to anticipate and deal with their business risks and objectives, we utilise the skills of a team of lawyers who are experienced in all types of dispute resolution. Our multi-national, bi-lingual team enables us to service clients wherever they are in the world while achieving the best results for their business.


Our partner-led team advise both married and cohabiting couples whether at the start or end of a relationship. We are experienced at identifying issues at an early stage, whether it relates to finances or children, and provide focussed advice which is tailor made to your situation.


A highly experienced private wealth disputes team providing a one stop shop to clients in the sector and able to advise on any issue which may arise. Advising clients across-the-board, the team can strive to minimise the risk of litigation while having the expertise and experience to litigate at the highest level.



  • Acting for a high net worth international client in respect of both child arrangements and financial provision relating to their child. There have been elements of ongoing parental alienation.
  • Advising on a pre nuptial agreement, where the assets span multiple European jurisdictions and where there was a potential inheritance in excess of €23 million.
  • Advising a foreign national in financial proceedings and private children proceedings. A Freezing Injunction was wrongly made against client’s assets, but was successfully overturned.


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