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Year of Call: 1977


T: 020 7405 9471

Clerk: Duane Hitchman

Clerk: Kenya Mendoza


Jonathan conducts a wide range of commercial and chancery litigation, with a particular emphasis on all aspects of contentious probate, including mental capacity, family provision, cross-border estates and conflicts, disputes on the validity of wills and estates and trusts. His practice also extends to real property, company and partnership. Clients vary from individuals to banks, building societies, PLCs and major retail operators.

Jonathan is a well-known and highly experienced mediator. He is a member of the mediation panels of the Chancery Bar Association, Property Bar Association, Property Law UK, and the Association of Contentious Trust and Probate Practitioners. He received the ADRg Award 2006 for his contribution to ADR and was cited as one of the group’s most successful mediators. Since gaining his accreditation in 2000 he has conducted more than 300 mediations concerning a wide range of disputes in all of the practice areas listed below.

Jonathan has held judicial office as a Deputy Chancery Master in the Business and Property Courts of England and Wales since 2003.

  • Jonathan is thorough, hard-working and patient - he’s the lawyer who settles the unsettlable

    Chambers & Partners (Mediators) 2022
  • He provides clear and concise advice and adopts a practical and constructive approach to resolving problems

    Chambers & Partners 2022
  • He works hard, gets on well with the parties and is good at setting out the parameters of the mediation

    Chambers & Partners (Mediators) 2021
  • He has a very good approach to clients, and is a strong all-round barrister.

    Chambers & Partners 2019
  • An experienced and thorough advocate, who is the man you want when faced with a tough case.

    Chambers & Partners 2019
  • Leading junior in Traditional Chancery and as a Mediator.

    Chambers & Partners 2019
  • A mediator who is renowned for his ability to think inventively to produce novel solutions, Jonathan Arkush maintains a busy practice. Highlights from the past year include the mediation of grievance procedures within a professional services firm and resolving a corporate dispute between embittered family members.

    Mediators: UK wide; Mediators: all circuits - Chambers UK 2013
  • Sources say Jonathan Arkush comes up with solutions others wouldn’t have thought of, often enabling a clean break scenario. He is regularly instructed on high-value matters, and his recent mediations have included a wrongful dismissal claim and an inheritance dispute.

    Mediators: UK wide; Mediators: all circuits - Chambers UK 2011
  • Jonathan Arkush is well known for his excellent depth of expertise in chancery and probate work, receiving frequent instruction in an array of complex mediations. He is also highly regarded for his skill in disputes relating to areas including property and professional negligence.

    Mediators: all circuits - Chambers UK 2015
  • A much-respected chancery litigator and mediator, whose skills are deployed in property, probate and trust matters. “He gives excellent service and delivers what he promises.” “He is a very strong practitioner in the traditional chancery field.

    Chancery: traditional - Chambers UK 2014
  • Simply put, Jonathan Arkush is excellent value and gets the job done.

    Mediators: UK wide; Mediators: all circuits - Chambers UK 2014
  • Arkush is appreciated for his tenacity and for his means of solving disputes imaginatively

    Mediators: UK wide; Mediators: all circuits - Chambers UK 2014
  • He can turn his hand to pretty much anything in the mediation world.

    Chambers & Partners 2017
  • Highly recommended for a range of Chancery work.

    Legal 500 2017
  • Jonathan has "very good people skills” and is “sensitive to both sides’ feelings and emotions” as a mediator.

    Chambers & Partners 2016
  • Jonathan Arkush stands out for his work in the field of mediation. He regularly receives instructions as a mediator and specialises in chancery and probate, property and professional negligence disputes.

    Who’s Who Legal UK Bar 2015
  • A very strong reputation in the market.

    Private clients: trusts & probate - Legal 500 2014
  • He is skilled in court craft.

    Chambers UK 2016
  • Leading junior in property litigation.

    Legal 500

Practice Areas

Career and Associations

University College School, London NW3

Mansfield College, Oxford (BA Jurisprudence 2.1)

Inns of Court School of Law

Called to the Bar (Middle Temple) 1977

Member of Lincoln’s Inn

Bencher of Middle Temple

Member of the Chancery Bar Association

Member of the Association of Contentious Trust and Probate Specialists (ACTAPS)

Regularly gives lectures and seminars to professional bodies and firms

President, Board of Deputies of British Jews 2015-2018


Author of the chapter Landlord and Tenant Disputes in ADR and Commercial Disputes (Sweet & Maxwell).