Paul is a partner in our London office who is a professional liability specialist. He qualified in England and Wales in 1998.

Acting predominantly for larger professional services firms, Paul specialises in the defence of professionals, particularly solicitors, surveyors and insurance industry professionals.

With over 20 years’ experience, he has extensive expertise handling complex claims and those involving multiple parties. He also advises insurers in relation to coverage issues arising under professional liability and financial lines (including D&O) policies.

As well as being a member of the British Insurance Law Association (BILA), Paul is also frequently ranked in both The Legal 500 UK and Chambers UK legal directories.

Qualification

  • Qualified in England and Wales in 1998.

The arrival of the 'amazing' Paul Castellani from RPC has significantly increased the firm’s offering with regards to claims against solicitors.

The Legal 500 UK 2021

Market recognition

  • Leading Individual and recommended lawyer for 'Professional negligence (London)'
    "The arrival of the 'amazing' Paul Castellani from RPC has significantly increased the firm’s offering with regards to claims against solicitors."
    The Legal 500 UK 2021
  • Notable practitioner for 'Professional Negligence: Financial (London)'
    One source reveals: "He has got us out of so many sticky situations. He's got a brilliant mind and always finds solutions."
    Chambers UK 2020
  • Notable practitioner for 'Professional Negligence: Insurance (London)'
    Chambers UK 2020
  • Notable practitioner for 'Professional Negligence: Legal (London)'
    Chambers UK 2020
  • Notable practitioner for 'Professional Negligence: Technology & Construction (London)'
    Chambers UK 2020
  • Leading Individual and Recommended Lawyer for 'Professional negligence (London)'
    The Legal 500 UK 2019/20
  • "Paul Castellani is highly regarded for his work in the professional negligence sphere. He has a broad practice regularly advising brokers, solicitors and surveyors.”
    Chambers UK 2019
  • "Paul Castellani ‘has a really strong reputation on the coverage side’."
    Chambers UK 2018

Work highlights

  • Challinor v Bellis – acting for the successful surveyor / investment manager in a claim alleging misrepresentation and breach of a Quistclose trust concerning the financing for the purchase of Fairoaks Airport.
  • Balogun v Boyes Sutton & Perry – acting for the successful solicitor at first instance and appeal in a “duty to warn” case concerning the purchase of a commercial lease. 
  • Rahim v Arch – acting for Arch in the successful defence of a challenge to its declinature of coverage to a solicitor on the grounds of dishonesty.
  • EFFORT v Mengiste - acting for the solicitor at first instance an appeal in the defence of a wasted costs application concerning the manner in which an expert was instructed to provide evidence at Court.  The proceedings included a successful judicial recusal application.
  • Wellesley v Withers - acting for the solicitor at first instance and appeal in the defence of a claim concerning the drafting of a shareholders’ agreement. Complex issues of foreseeability of loss based on contractual and tortious tests.
Market recognition
  • Legal-500-UK-2021-leading-individual.png

    Leading Individual

    The Legal 500 UK 2021

  • Legal-500-UK-2021-recommended-lawyer.png

    Recommended Lawyer

    The Legal 500 UK 2021

  • Legal-500_UK_Leading-individual.png

    Leading Individual

    The Legal 500 UK 2020

  • Legal-500_UK_Recommended-lawyer.png

    Recommended Lawyer

    The Legal 500 UK 2020