Clients include high-net-worth individuals, partnerships, companies and insolvency practitioners, and we’ve acted across disputes – ranging from breach of professional duty to fraud and breach of contract.

Drawing on our deep in-house expertise, we assess each case with precision. Identifying weaknesses and leveraging strengths, to build commercially-sound cases for our clients.

Notable Experience

  • Representing an UHNWI in relation to a professional negligence claim against her former solicitors relating to the enforcement of the UK's largest-ever divorce award of £453m.
  • Defending the former directors of a financial institution in a £50 million claim relating to the insolvency of a pay-day lender.
  • Obtaining a freezing order (and ultimately judgment) against a former accountant for fraudulent breach of duty.
  • The successful defence of a City solicitor in the £60 million Innovator litigation.
  • The defence of a City solicitor in a £40 million claim by Cable and Wireless.
  • Advancing a $40 million claim against a prominent international law firm for negligent advice in connection with an international arbitration.
  • Acting for a company against its former accountant/auditors for negligently failing to detect large scale internal fraud.
  • Injuncting a firm of solicitors from acting in conflict with the interests of their client.
  • Defending an IFA from negligence claims relating to investment advice.
  • Obtaining a settlement for a client against a prominent firm of city solicitors for breach of fiduciary duty, negligence and deceit.
  • Successfully acting for a group of investors in property against a firm of solicitors alleging wrongful dealings with deposits paid for land being developed.

News & Insights

25.02.26

PCB Byrne named in Solomonic top 30 ‘powerhouse’ commercial litigation law firms, 2026.

11.02.26

PCB Byrne secures recognition of five Chinese judgments worth c. £25 million

10.02.26

Success in the Court of Appeal

04.02.26

High Court orders Russian oligarch Vladimir Potanin to disclose documents held by Norilsk Nickel in major commercial dispute