Andrzej Bojarski KC is a senior barrister and a leading ADR practitioner(as a family law arbitrator and a mediator), with a practice which has an unrivalled span across family law and chancery law. He is routinely the first port of call for clients with cases involving complex business and trust structures, difficult issues of commercial law or corporate law, or with claims involving third parties.  Much of his case load involves cross-border international elements. As well as his matrimonial work he deals with the chancery aspects of family disputes, including ToLATA claims and Inheritance Act disputes.  He has developed particular expertise in crypto assets and FinTech.

Andrzej is also one of the most experienced and frequently chosen arbitrators and private FDR neutral evaluators.  Years of experience of dealing with some of the most difficult cases has also made him a popular and effective mediator, known for bringing calmness to acrimonious disputes and finding creative solutions to apparently intractable problems.

Andrzej is a member of both the Family Law Bar Association and the Chancery Bar Association, and has also been elected a Fellow of the International Academy of Family Lawyers.   The Legal 500 and Chambers & Partners have both consistently ranked Andrzej in the top tiers for his work in the financial remedies aspects of family law as a barrister and as an ADR tribunal for many years.

Andrzej writes and lectures widely on English family law. He has been the Consultant Editor of the last two editions of the Matrimonial and Civil Partnership Law volumes of the authoritative legal encyclopaedia Halsbury’s Laws of England and he is also the author of a leading textbook on financial remedies in divorce.

Key cases

Unger v Ul Hasan [2023] UKSC 22. Seminal Supreme Court decision on whether unadjudicated matrimonial claims survive the death of a party.

Baker v Baker [2022] EWFC 15 and [2023] EWFC 136. Successful repudiation of a wife’s claim that a husband had undisclosed assets of over $30 million.

Joseph v Grandison [2019] EWHC 977 (Fam). Successful enforcement of a ‘best endeavours’ injunction.


Areas of expertise

Andrzej is highly rated as one of the most knowledgeable and skilled lawyers in the field of family finance, dealing with cases where the parties were married and are divorcing, and in disputes between unmarried couples or resulting from other family relationship breakdowns.

He is routinely instructed in the most difficult cases and has particular experience of trusts and complex business structures, usually with a multi-jurisdictional and international dimension. He is also well-known for his experience of and expertise in cases involving crypto-assets and FinTech, business and corporate governance issues in the midst of relationship breakdown, and property disputes involving families, including in relation to the estates of the deceased.

While he was still a junior barrister the influential Chambers & Partners Bar rankings listed Andrzej as one of only four “Star Individuals” in Matrimonial Finance work in London.

Andrzej has been a family law arbitrator since 2012 and has been acting as a neutral evaluator in private FDRs since 2017. He has conducted in excess of 200 arbitrations and private FDRs with many clients regarding him as the ‘go to’ tribunal in difficult cases. The Legal 500 says “Andrzej brings his advocacy skills to the private judging sphere. He is thorough, empathetic and kind, hugely intelligent, and probably thinking five steps ahead of the advocates in front of him on every case, hard-working and keen to find/broker settlement. He is fully resolution-focused and will leave no stone unturned in trying to get a couple to that end.”

Most of Andrzej’s cases involve an international dimension and he has extensive experience of jurisdictional disputes and the tracing or assets and enforcement of orders across international borders. He is also regularly approached to offer advice on English law to lawyers overseas.
Andrzej is a Fellow of the International Academy of Family Lawyers.

Further information

Appointments & Memberships

Family Law Bar Association

Chancery Bar Association

International Academy of Family Lawyers

Gray’s Inn