| 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 | | |
| 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 |
| HDI Global SE | 0207 696 8815 | 1 Great Tower Street, London, EC3R 5DD, United Kingdom |
| HDI Global Specialty SE UK Branch | | |
| Highway Insurance Company | 0845 640 5170 | Commercial Claims Department , 69 Park Lane, Croydon, CR9 1BG, United Kingdom |
