Kathryn Cassells



"Thorough analysis and legal expertise. No detail of any case escapes her"

Legal 500

"A brilliant lawyer"

Legal 500

Kathryn is experienced in the financial and children issues that arise from relationship breakdown. She has worked on many complex court cases and been involved in a wide range of international cases that require consideration of competing legal systems. She’s worked on cases involving injunctions for non-molestation orders & occupation orders, and is skilled in drafting pre-nuptial agreements and obtaining freezing orders to protect the dissipation of assets.

She is a keen proponent of Alternative Dispute Resolution (ADR), encouraging her clients to consider ways to resolve their disputes through arbitration and mediation. She is a member of Resolution, and regularly writes for their in-house journal, The Review, as well for the Family Law Journal.

She has a degree in History from the University of Cambridge in History. She studied Law as a post-graduate, obtaining a degree from the University of London and was called to the Bar in 2013. Kathryn qualified as a solicitor in 2017, with a distinction in her Legal Practice Course.


  • Kathryn represented a wife in financial proceedings where her earning capacity was affected by her need to care for her child with autism. 
  • Advising a husband when his company was sold shortly after concluded divorce/financial proceedings, for a sum far higher than that attributed to it by the court, and dealing with the ramifications of that on the Order made by the court. 
  • Representing a mother in court proceedings and securing interim leave to remove to Sweden with the child.
  • Securing parental orders in surrogacy cases.

Professional Testimonials

Client Testimonials


These are some of Kathryn's testimonials from previous clients and journals that regularly review practising lawyers.

  • Very able and fiercely passionate about all of her clients. A brilliant lawyer and a real star of the future. Legal 500 2022
  • Excellent eye for detail on all the important points, very thorough and diligent, hardworkind reassuring. Legal 500 2022
  • Already establishing a brilliant reputation in the field for her thorough analysis and legal expertise. No detail of any case escapes her. She is particularly good at assessing wider case strategy where there are inter-related financial and children issues. She is also kind and compassionate and makes every client feel fully supported. Legal 500 2021
  • Extremely supportive and thoughtful throughout this difficult experience. She provided creative solutions and was mindful for my circumstances. Her advice was excellent. Previous Client