| Chubb European Group Limited | 0207 173 7000 | The Ace Building, 100 Leadenhall Street, London, EC3A 3BP, United Kingdom |
| Chubb Underwriting Agencies Limited | 020 7895 3185 | 106 Fenchurch Street, London, EC3M 5NB, United Kingdom |
| Cincinnati Global Underwriting Agency Limited | | |
| City Fire | | |
| CNA Insurance Co Ltd | +44 20 7743 6800 | 1st Floor Minster Court, 2 Mincing Lane, London, EC3R 7BB, United Kingdom |
| Codeve Insurance Company Limited | 353 1 407 4952 | Grand Mill Quay, Barrow Street, Dublin, XX9 9ZZ, IRELAND |
| Convex UK Services Ltd | | |
| Cornish Mutual Assurance Co Ltd | 01872 277151 | CMA House, Newham Road, Newham, Truro, TR1 2SU, United Kingdom |
| Covea (Reading) | 0118 925 8896 | Norman Place, Reading, Berkshire, RG1 8DA |
| Covea (West Malling) | 0845 2711300 | 50 Kings Hill Avenue, West Malling, Kent, ME19 4JX |
