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 a stand-out junior barrister. Her intellect is unparalleled and her advocacy is clear, concise and persuasive."

  Legal 500 2025

  "Helen is fantastic at unpicking thorny financial issues and marries that with an unparalleled bedside manner." "She is great with the lay clients who trust her and feel that she has their back." "She can go toe-to-toe with the valuation experts but is also really practical." "Her background as a chartered accountant is really where she shines." "Her dedication is second to none." "She is tenacious in court, not frightened of anyone or any opponent and just hugely impressive." "She combines intelligence with pragmatism and approachability."

  Chambers and Partners 2025

  "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

• Notable Cases

  • N v J
    [2024] EWFC 184
    
  • 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.