Agency and other enquiries should be directed to us at this address:

  • Square Pegs
    Castel Underwriting Agencies Limited
    Ground Floor
    Plantation Place South
    60 Great Tower Street
    London EC3R 5AZ

  • Telephone: 0203 023 3389
  • Complaints: If you are unhappy with our service, we have a complaints procedure, details of which are available on request by emailing us at  You may be able to refer a complaint to the Financial Ombudsman Service (FOS) if you are unhappy with how we deal with your complaint. The FOS website is