Mark Kosmin


Mark is an experienced family solicitor, mediator and collaborative lawyer who is committed to finding practical, creative and cost effective solutions for clients.

Mark qualified as a solicitor in 1997 and joined Freemans in January 2012, becoming a partner in May 2017.  He specialises in assisting individuals on a wide range of family law issues. These include cohabitation and marital (i.e. pre and post nuptial) agreements, inheritance disputes, divorce, civil partnership, separation, financial arrangements, arrangements for children, as well as international child abduction and child relocation cases.

Mark has represented individuals from a wide variety of backgrounds, personal circumstances and professions. His previous clients have included high net worth individuals, company directors, bankers, musicians and people from the entertainment industry.

Mark provides a bespoke, tailor-made approach to meet the needs of individual clients and families. Mark is committed to helping clients resolve their finances and arrangements for children in a dignified and constructive way, outside the courtroom wherever possible.

Mark has been a member of the Law Society Family Law Panel since 2001 and since 2004 he has been a Resolution accredited specialist family lawyer, with particular specialisms in international child abduction and cohabitation.

Mark is a member of Resolution and has been a committee member of Resolution London Region since 2012.

Mark is frequently instructed by the government’s International Child Abduction and Contact Unit to represent parents in international child abduction cases.

Mark is also a member of the:

  • the Child Abduction Lawyer’s Association (founder member);
  • the International Bar Association;
  • the International Academy of Collaborative Professionals.

He is a founder member of the North London Collaborative practice group (or ‘POD’) for which he has acted as Liaison Officer since its foundation.

Mark is married and has children and was a school parent governor from 2009 to 2015. He has varied interests, including history, steam heritage and the arts. He is a musician and a songwriter and has played in several bands.

Reported cases:

Re JB (Child Abduction) (Rights of Custody: Spain) [2003] EWHC 2130 (Fam) [2004] 1FLR 796

R v K (Abduction: Return Order) [2009] EWHC (Fam) [2010] 1 FLR 1456

What they say about Mark

Mark Kosmin handled my case with dignity, empathy, and thoroughness. He always set realistic expectations and I was very satisfied with his advice and the overall service that I received from Freemans.
Excellent on detail and keeping to deadlines; he is not the kind of solicitor to miss something important.
Helped to build a confidence with my case and helped to achieve good outcome. Simply professionals.

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