Portrait of Helen Williams

Helen Williams

Year of Call 2007

Professional Practice

Helen is a specialist in financial cases. She has a particular expertise in cases with an international element, and in cases where there are business assets.


Prior to coming to the Bar, Helen worked at Arthur Andersen, Deloitte and Ernst & Young. She is a fully qualified chartered accountant (ACA) and an associate member of the ICAEW.

  • Recommendations

    "Helen is utterly brilliant. She is incredibly bright and has wisdom beyond her call. She is articulate and utterly unflappable in court."
    Legal 500 2024
    "An outstanding junior barrister who is extraordinarily versatile in her skill set and extremely numerate - she used to be an accountant. She is a very strong, passionate advocate in court." "Incredibly bright and really personable. She has a really clear view of the likely outcome, always predicting cases incredibly well." "She's very human and never loses sight of the fact that these are people's lives. She's also just amazing on the really technical points."       
    Chambers and Partners 2024
    “Helen is utterly brilliant. She is a first choice of junior for matrimonial finance cases. She has a mastery of her subject and is a skilled and fearless advocate.”
    Legal 500 2023
    "Helen is hard-working, pragmatic and someone who cares deeply about her clients. She's always engaged and everything you want in a barrister." "Helen Williams is extremely thorough and sensible in her advice and her approach to cases. She has fantastic numeracy skills and a keen eye for detail."
    Chambers and Partners 2023
    "Helen is clever, charming, meticulous, eloquent and persuasive. A first-rate advocate. Clients love her."
    Legal 500 2022
    "No-nonsense but has an empathetic, patient way of handling clients. She is good at understanding what's important to them before discussing options and solutions." "She can distil complex issues and convey them to tribunals with ease." "Well prepared and cares about her clients."
    Chambers and Partners 2022
    ‘Has a very good overview of the tax and trust aspects of family law.’
    Legal 500 2019
    "She has a mastery of figures, and is a fantastic resource on cases with a lot of financial detail. Her star is in the ascendancy."
    Chambers and Partners 2019
    "She has this amazing way of being able to give clients advice that they just take, and she is talented well beyond the years of her call. People just listen to what she has to say. Helen has a really good understanding of the financial aspects of cases and the complications attached to them. She is a brilliant advocate and she presents cases extremely capably."
    Chambers and Partners 2018
    Finance practitioner noted for her previous experience as a chartered accountant, which she brings to bear in matrimonial proceedings concerning complex tax, company and trust structure issues. Her cases often involve valuation issues and corporate non-disclosure. "A star in the making. She offers extremely good client care and has a superb knowledge of the law."
    Chambers and Partners 2017
  • Notable Cases

    • Xanthopoulos v Rakshina
      [2024] EWCA Civ 100
    • Xanthopoulos v Rakshina
      [2024 EWCA Civ 84
    • Xanthopoulos v Rakshina
      [2023] EWFC 158
    • Xanthopoulos v Rakshina
      [2023] EWFC 50
    • Mostyn-Williams v Mostyn Williams
      [2021] EWFC 123 (reported in 2023)
    • Re X (Children)
      [2022] EWCA Civ 1167
    • AZ v FM
      [2021] EWFC 2
    • AP -v- ALP
      [2018] EWHC 2758 (Fam)
    • In the matter of the Human Fertilisation and Embryology Act 2008 (Cases A, B, C, D, E, F, G, H)
      [2015] EWHC 2602 (Fam)
      Read Judgment
  • Personal Information

    Helen studied as an undergraduate at Oxford University and as a post-graduate at UCL, where she obtained a masters in law.

    Helen enjoys music, live performance, good food and wine, and most of all, spending time with her two Irish Setters, her family and her friends.


  • FLBA
  • Institute of Chartered Accountants in England and Wales