Katherine Cook


"Katherine is brilliant; she's on top of every detail and a persuasive advocate. She also has a fantastic manner with clients.” "Very user-friendly from both a solicitor's and client's point of view.”

Chambers and Partners 2024


Katherine specialises in complex financial claims following the breakdown of relationships. Her practice predominantly involves high value and/or complex disputes. Often, her cases have an international element and engage issues of valuation, tax, non-disclosure or the status of agreements.

Katherine is regularly led by, or appears against, leading counsel. She has an increasing interest in sitting as an early neutral evaluator.


  • Financial remedy proceedings
  • Relationship agreements
  • Cohabitation claims
  • Financial provision and arrangements for children
  • Inheritance Act claims
  • Applications in the Court of Protection
  • Press exclusion and reporting restrictions in the Family Court
  • Jurisdiction disputes

Katherine is a family law contributor to uk.practicallaw.com and authored the chapters on jurisdiction in the latest edition of Rayden and Jackson on Divorce and Family Matters (the leading family law practitioners’ text). She also lectures widely both in-house and for legal training providers.


Katherine read Jurisprudence at Christ Church, University of Oxford and subsequently received an LLM from Emmanuel College, University of Cambridge.

Katherine was an Exhibitioner during her time at Oxford and received the University Prize for the best performance in Legal History Finals.

Katherine was called to the bar in 2007. She was awarded the Levitt Scholarship (Pupillage scholarship) and Lord Denning Scholarship (Major BVC scholarship) by Lincoln’s Inn and in 2012 Katherine undertook a Pegasus Scholarship in Washington DC.

Chambers and Partners (Band 1)

Katherine is brilliant; she's on top of every detail and a persuasive advocate. She also has a fantastic manner with clients.” "Very user-friendly from both a solicitor's and client's point of view.” (2024)

“Katherine Cook is an extremely capable barrister possessed of a good manner with clients, who gives solid, dependable, real world advice. She’s very easy to work with and is a very effective, tenacious advocate.” “She has great knowledge and is a breath of fresh air in court”. (2023)

"A persuasive advocate who does her homework and is quick on her feet." "She's a go-to for complicated cases with an international element. Her ability to handle those niche issues is seriously impressive." "She's brilliantly prepared, great with clients, and someone who gives good advice that's credible and understandable. (2022)

"She is always ready to go the extra mile and really listen to the client’s needs." "Katherine pitches her case sensibly and gives realistic, clear advice to clients." "She has a light touch with opponents and gets the results.” (2021)

"Katherine is really good at explaining things to clients and taking a view. She listens to everyone's views, is a great team-player and is a very good advocate.” (2020)

“An all-round family barrister who is particularly noted for having a matrimonial finance practice that consists of high-value divorce and nuptial agreement proceedings. Her clientele is international, with notable work being done in South Africa, the Cayman Islands, the UAE and Gibraltar. She regularly earns instructions from some of the most prominent firms in the area. "She is supportive with more vulnerable clients, and very proactive. Adaptable in her approach and good on jurisdictional issues.” (2019)

"Punching above her year of call, she is brilliant in terms of her preparation, has both fabulous in-depth legal knowledge and great client management skills, and is great at drafting.” (2018)

"Definitely the right person to go to when you're trying to settle" " very calm under pressure” (2017)


Legal 500

'Katherine's preparation is very impressive. She is always more than fully up to speed and plans proper reading and preparation time ahead of a conference or a hearing. Her client care skills are top-notch.’ (2024)

"Katherine is superbly organized, has a razor sharp brain and is a brilliant advocate. She provides clear and robust advice and has excellent client skills.” (2023)




Katherine is married with a young daughter, and lives in London. She enjoys skiing and travel, and is a conversational Spanish speaker.