Tamar Halevy, Partner

Tamar heads up the dispute resolution team.  She specialises in complex and high value commercial disputes and has a wealth of experience of litigation and arbitration, both domestic and international.

Tamar’s practice covers commercial disputes of all kinds including director and shareholder disputes, breach of contract, breach of trust, fraud and professional negligence as well as commercial aspects arising from matrimonial proceedings.  She acts for corporate and individual shareholders/directors, high net worth individuals, corporate trustees, professional services firms, media and marketing services companies, technology companies, retailers, partnerships and others.

Tamar has been recognised as a leading commercial litigator in Legal 500 and Chambers and a leading individual in contentious trusts as well as a “Power Woman” in the Citywealth Leaders List.  The directories comment that Tamar is “bright, analytical, thoughtful and easy and enjoyable to work with” and  “offers clients a winning combination of client care skills, work ethic, legal knowledge and experience”.

Tamar joined Marriott Harrison LLP in 2015 from Lewis Silkin LLP where she had been a partner for seven years. Tamar is a committee member of the British Russian Law Association. She speaks fluent Hebrew.


Practice Areas

Related Practice Areas

Tamar Halevy has an excellent intellectual grasp of legal problems and fantastic knowledge of the law

The Legal 500 UK 2020


  • Acting for companies, directors and shareholders in company disputes of all kinds including in relation to unfair prejudice of shareholders’ interests, breaches of directors’ duties, breaches of shareholders’ agreements, deadlocks on decision-making under a company’s constitution and enforcing rights on an exit under compulsory transfer provisions, including disputes over Good and Bad Leaver provisions
  • Acting for claimants and defendants in a wide variety of commercial disputes including in relation to supply of goods and/or services contracts, breach of warranty and indemnity claims under share purchase agreements, joint venture disputes, trade mark licences, civil fraud, high value disputed debt claims, professional negligence, commercial agency, equitable/restitutionary remedies, banking disputes and all manner of urgent interim relief including freezing injunctions
  • Acting for creditors and debtors in actual and threatened insolvency proceedings, advising in relation to the duties of directors of insolvent and distressed companies and acting in claims involving such directors and their companies
  • Acting in contentious trust disputes including in claims brought by beneficiaries against professional trustees for breach of trust
  • Acting for parties involved in arbitration proceedings, both domestic and international, including under the LCIA and ICC rules as well as ad hoc arbitrations, including contested applications to convert foreign arbitral awards into English court judgments pursuant to the New York Convention 1958
  • Acting for third parties brought into high value matrimonial proceedings on the grounds that they allegedly hold assets beneficially owned by one of the divorcing parties