| Frank's Insurance Ltd | 01908 832148 | Milton Keynes Mail Centre, Dawson Road, Bletchley, Milton Keynes, MK1 1AA, United Kingdom |
| Fuji International Insurance Company Ltd | 0207 929 4331 | 22 Eastcheap, London, EC3M 1EU, United Kingdom |
| Gable Insurance | 02073377460 | 6th Floor, 34 Lime Street, london, EC3M 7AT, United Kingdom |
| 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 American International Insurance UK Limited | | |
| 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 | | |