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Elizabeth Simos

Partner

England & Wales

+442033193700

Elizabeth.Simos@keystonelaw.co.uk

““Elizabeth is very bright and extremely capable. She has a well-deserved, stellar reputation. The work I have seen from her has been of the highest quality.”

- Barrister

Elizabeth is a partner specialising in family law, with a particular focus on high-net-worth divorce, complex finance, and children law disputes. She frequently advises in cases involving international aspects and in urgent matters requiring protective injunctions.

Elizabeth represents clients across business, entertainment, and sport, as well as other high-profile and high-net-worth individuals.

Elizabeth is fluent in Greek.

Expertise

Elizabeth advises on complex high-value divorce cases, often involving international clients and multi-jurisdictional elements, to urgently establish the most appropriate forum for divorce and related proceedings.

Experience

  • Acted for a wife in complex cross-border divorce, securing jurisdiction in England following contested proceedings involving parallel applications abroad.
  • Acted for a husband in a divorce involving disputes over habitual residence and domicile, successfully establishing the most appropriate forum.
  • Acted for an international client in parallel divorce proceedings, co-ordinating with counsel abroad to manage competing claims.
  • Acted for a wife in a complex procedural dispute concerning the validity of overseas marriage and recognition under English Law.

Specialising in intricate financial disputes, Elizabeth handles cases often involving substantial assets, corporate structures, and trusts. She provides guidance to secure fair financial settlements for high-net-worth clients.

Experience

  • Acted for multiple high-net-worth and ultra-high-net-worth individuals in financial remedy proceedings, frequently involving asset basis in excess of £30 million and globally diversified wealth.
  • Acted for a wife and secured a generous settlement in a UK divorce involving the husband’s family-owned wealth and inherited assets.
  • Acted for a husband in highly contested proceedings involving founder-owned businesses, successfully preserving his non-matrimonial business assets and ongoing commercial viability.
  • Acted for a wife who contributed the majority of capital and income to a short, childless marriage, achieving an outcome that preserved her contributions.

Elizabeth advises on all aspects of children matters, including living arrangements, relocation, and international disputes.

Experience

  • Acted for a mother in international relocation proceedings, successfully securing permission to relocate with the children following fully contested proceedings.
  • Acted for a father opposing overseas relocation, achieving an order for the child to remain living with him in England.
  • Acted for a parent in proceedings involving allegations of domestic abuse, navigating fact finding hearings and ensuring appropriate safeguarding measures were implemented.
  • Acted for a parent in complex proceedings involving cultural and religious considerations, achieving an outcome that reflected the child’s best interests and family background.

Elizabeth frequently acts in family cases with cross-border issues.

Experience

  • Acted in multiple complex cross-border divorce proceedings, including jurisdiction disputes and forum challenges between England and other major financial centres.
  • Co-ordinated multi-jurisdictional strategies with counsel abroad in cases involving parallel proceedings.
  • Advises on the enforcement of English family law orders abroad and vice versa.

Elizabeth advises high-net-worth families on divorce, financial settlements, and children matters.

Experience

  • Acted in high-value complex divorce and financial remedy proceedings, often involving international assets, trusts, and business interests.
  • Represented clients in cross-border family disputes, including contested jurisdiction cases and parallel proceedings in multiple jurisdictions.
  • Advised on sensitive children matters including international relocation applications and complex living arrangements following separation.
  • Obtained urgent protective orders from the family court, in both safeguarding and preservation of assets.
  • Represented high-net-worth and high-profile individuals, ensuring discretion and careful management of reputational considerations.
  • Handled urgent and procedurally complex applications, including emergency court interventions.

Please note: The experience list above may include examples of work completed prior to joining Keystone Law.

Recognition

Member of Resolution

Elizabeth is active in the charity sector, having previously served as president, trustee, and chair of the board of trustees, and currently serving as a trustee of a children’s education charity.

Elizabeth writes on a variety of legal matters, and her articles have featured in the FT Adviser, Financial Times, Family Law Journal, LexisNexis, and American Bar Association publications, amongst others.

Winner of The Lawyer Monthly Magazine Women in Law Awards 2019

Winner of the LexisNexis ‘Young Solicitor of the Year Award’ 2018

Recipient of the distinguished Clive Schmitthoff International Award (New York, United States) for legal writing.

Recipient of the International Vis Moot Honourable Mention for Individual Advocacy (Vienna, Austria).

“Elizabeth is truly excellent, robust when required but behind the scenes will also offer frank commercial advice. The advice is clear, she is cool-headed and calm outside court but will fight hard for her clients in litigation.”

The Legal 500 2026

Elizabeth qualified as a solicitor in 2015. Prior to joining Keystone Law in 2026, she worked at the following firms:

  • Ketley Miller Joels Limited
  • Vardags
  • Hanne & Co Solicitors