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Emma Harte

Partner

England & Wales

+44 (0)20 3319 3700

emma.harte@keystonelaw.co.uk

“Emma’s advice was always top quality in information, tactics and action. I thoroughly recommend her.”

- Finance and Children Client 2020

Emma is a specialist family and matrimonial lawyer with over 30 years’ experience advising on all family matters, including complex and financial disputes, children matters and prenuptial agreements. She has particular expertise in cases with an international element and/or substantial assets or acting for clients who live abroad or wish to relocate to another jurisdiction.

Emma’s clients include business professionals, those in the public eye, members of British and foreign aristocracy and their spouses/partners. She also has a wide-ranging network of financial advisors, pension and tax experts, forensic accountants and lawyers in foreign jurisdictions with whom she frequently works.

Emma is a Resolution accredited mediator, a mediation consultant (PPC), a trained collaborative lawyer and past Chair of Resolution’s Alternative Dispute Resolution Committee.

 

Expertise

Emma advises on all aspects of financial disputes arising from divorce and separation, including complex asset division, enforcement of orders, interim remedies, post-nuptial agreements, and private negotiations or arbitration.

Experience

  • Acted for a number of chief executives of corporations and titled clients where the assets have involved overseas properties and assets in excess of £30m.
  • Represented the wife of a wealthy businessman with properties in Spain, France and the US, and assets in excess of £60m.
  • Acted for a musician in a high-profile band on divorce with assets in excess of £20m.
  • Acted for the spouse of a titled husband where the assets exceeded £1b.
  • Litigated and represented a wife in Section 37 Matrimonial Causes Act 1973 proceedings concerning avoidance of disposition of a large London property.
  • Successfully applied to set aside an order on behalf of a former husband where the application made by the wife was an abuse of the court’s process.
  • Advised a wealthy entrepreneur on a capitalisation of maintenance case with capitalisation of the former wife’s maintenance claims.
  • Advising a wife whose husband had significant wealth tied up in Hedge Funds worth many millions and where the family properties were worth around £6m.
  • Advised in complex ultra-high-net-worth divorce involving a company worth some £100,000,000 and high-value properties in England and Spain.
  • Advised a wife whose husband had significant wealth tied up in hedge funds worth many millions, in excess of £20m and overall assets potentially worth in excess of £50m.
  • Advised a wife whose husband had a substantial music business.
  • Advised on a substantial capitalisation of maintenance matter.

Emma advises on all aspects of children matters, including disputes over arrangements, relocation abroad, and international child abduction, helping families resolve complex issues while prioritising the best interests of the child.

Experience

  • Acted for a wife in her relocation proceedings to South Africa with the children, as well as relocations to Spain, Canada and other parts of the UK.
  • Acted for a number of fathers seeking a joint “lives with” order.
  • Acted for mothers and fathers in parental alienation cases.
  • Acted for mothers and fathers in child abduction matters and having children successfully returned to their country of habitual residence.
  • Acted for mothers and fathers in relation to prohibited steps orders, preventing the removal of children from this jurisdiction.
  • Acted for mothers and fathers on specific issue matters including where a child should be educated.
  • Advised a high-profile former wife on a re-location case dealing with financial and children’s arrangements with orders made in relation to both in the UK and South Africa.
  • Advised a wealthy businessman on a Schedule 1 Children Act case, dealing with financial aspects and living arrangements for the child with orders made in relation to both.
  • Resolved complex financial and children issues involving several jurisdictions and a substantial business in mediation.

Emma advises on prenuptial, post-nuptial, and cohabitation agreements, helping clients protect assets, plan for the future, and resolve potential disputes while safeguarding financial security in relationships and separation.

Experience

  • Represented a wealthy French businessman with assets exceeding £50m on a pre-marital agreement.
  • Acted for a wife on a pre-marital agreement where the assets of her husband and his overseas family exceeded $1b.
  • Represented the wife marrying into the family of owners of a well-known company worth around £3.5b.
  • Acted for the wife marrying a high-profile footballer on their pre-marital agreement.
  • Represented the husband owning a significant property business with assets in excess of £30m on his pre-marital agreement.
  • Acted for the wife-to-be in an ultra-high-net-worth case and where the husband’s family are worth approx. $14 billion.
  • Advised on an ultra-high-net-worth prenuptial agreement involving a family worth £15 billion.
  • Advised on an ultra-high-net-worth prenuptial agreement where the total assets amounted to £200,000,000 approx.
  • Advised on an ultra-high-net worth prenuptial agreement.
  • Advised on an ultra-high-net worth prenuptial agreement where the total assets amounted to £200m.

Emma advises unmarried couples on cohabitation agreements and property disputes, including complex civil litigation under TLATA 1996, helping clients protect their interests and resolve disputes efficiently and effectively.

Experience

  • Acted for a claimant in a same-sex cohabitation dispute involving a high-profile business.
  • Represented a cohabitee in a complex cohabitation dispute involving a number of London properties.
  • Drafted a number of cohabitation agreements for business people and their partners to protect assets and property.
  • Acted in numerous cohabitation disputes involving property and resolved them without the need for litigation.
  • Acted for a number of cohabitees in relation to parental responsibility orders.

Emma advises clients using mediation and collaborative law, guiding them through constructive, non-adversarial processes to resolve family and financial disputes efficiently while preserving relationships and achieving mutually acceptable outcomes.

Experience

  • Mediated high-profile couples so as to ensure their names remain out of the press.
  • Mediated with high-conflict couples and undertook shuttle mediation to ensure overall resolution.
  • Mediated complex financial arrangements on divorce often involving foreign assets.
  • Mediated complex children arrangements on divorce and separation and arranged on occasion for children to be seen in mediation as well as mediating relocation cases involving children.
  • Mediated pre-marital agreements and post-marital agreements so that both clients could appreciate and discuss together their anxieties and concerns with the help of the mediator.
  • Resolved complex financial and children issues involving several jurisdictions in mediation.

Emma advises UHNW and HNW clients on all family matters, including complex and financial disputes, children matters, and prenuptial agreements.

Experience

  • Acted for a number of chief executives of corporations and titled clients where the assets have involved overseas properties and assets in excess of £30m.
  • Represented the wife of a wealthy businessman with properties in Spain, France and the US, and assets in excess of £60m.
  • Acted for a wife on a pre-marital agreement where the assets of her husband and his overseas family exceeded $1b.
  • Represented the wife marrying into the family of owners of a well-known company worth around £3.5b.
  • Acted for the wife marrying a high-profile footballer on their pre-marital agreement.
  • Represented the husband owning a significant property business with assets in excess of £30m on his pre-marital agreement.
  • Acted for the wife-to-be in an ultra-high-net-worth case and where the husband’s family are worth approx. $14 billion.
  • Advised on an ultra-high-net-worth prenuptial agreement involving a family worth £15 billion.
  • Advised on an ultra-high-net-worth prenuptial agreement where the total assets amounted to £200m.
  • Acted for a musician in a high-profile band on divorce with assets in excess of £20m.
  • Acted for the spouse of a titled husband where the assets exceeded £1b.
  • Advised a wealthy entrepreneur on a capitalisation of maintenance case with capitalisation of the former wife’s maintenance claims.
  • Advising a wife whose husband had significant wealth tied up in hedge funds worth many millions and where the family properties were worth around £6m.
  • Advised in a complex ultra-high-net-worth divorce involving a company worth some £100m and high-value properties in England and Spain.
  • Advised a wife whose husband had significant wealth tied up in hedge funds worth many millions , in excess of £20m and overall assets potentially worth in excess of £50m.
  • Advised a wife whose husband had a substantial music business.
  • Represented a wealthy French businessman with assets exceeding £50m on a pre-marital agreement.

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

Recognition

Recognised in The Legal 500 Hall of Fame for Family: Mediation 2026

Recognised in The Legal 500 for Family: Divorce and financial remedy 2026

Recognised by Chambers UK for High Net Worth for Family/Matrimonial Finance: High Net Worth and Family/Matrimonial: Mediators 2025–2026

Recommended Lawyer in The Spear’s Family Law Index 2024

Shortlisted as Family Lawyer of the Year by Spears 2025

Recognised by Chambers UK for Family/Matrimonial Finance: High Net Worth 2025 

Recommended Lawyer in The Spear’s 500 Family Law Index 2025

Recognised by Best Lawyers 2025 for Family

Acknowledged by Chambers 2025 as a highly experienced and respected specialist in family law and attracts praises for her mediation practic

Recognised by Chambers High Net Worth 2024

Recognised by Chambers 2024

Recommended by The Leg0al 500 2024 Private Client: Family

Recognised by Chambers UK & HNW guides for family law including ADR and Finances 2003–2024

Fellow of the International Academy of Family Lawyers

Member of the International Academy of Collaborative Professionals

Member of the Dispute Resolution Committee of the International

Academy of Family Lawyers

Contributing author to the Resolution Handbook (chapter on Alternative Dispute Resolution, first published 2007) and the Resolution Family Disputes Handbook (published 2020)

“Emma Harte is an absolute class act. She is able to navigate complex mediations seamlessly. ”

Chambers High Net Worth 2025

Emma qualified as a solicitor in 1993. Prior to joining Keystone Law in 2023, she worked at the following firms:

  • Alexiou Fisher Philipps
  • Gordon Dadds
  • Penningtons