| Global General and Reinsurance Co Ltd | | |
| GPrice | | |
| Grafton Europe Insurance Company Limited | 00356 25694561 | Europa Centre, 4th Floor, St Anne Street, Floriana, zz9 9zz, Malta |
| Great Lakes Insurance SE | 0203 003 7240 | Great Lakes Insurance SE UK Branch Office, Plantation Place, 30 Fenchurch Street, London, EC3M 3AJ |
| Great Lakes Services UK Ltd | | |
| Greenwich Underwriting | | |
| Hadron Insurance Company Limited | 0207 256 3100 | 80 Leadenhall Street, London, EC3A 3DH |
| Hardy (Underwriting Agencies) Limited | | |
| HCC International Insurance Company Plc | 0207 680 2923 | Walsingham House, 35 Seething Lane, London, EC3N 4AH, United Kingdom |
| HCC Underwriting Agency Ltd | 0207 680 2923 | Walsingham House, 35 Seething Lane, London, EC3N 4AH, United Kingdom |
