| AA Mutual International Insurance Company Ltd | 01244 370077 | BAI Claims Services Ltd, Poplar House, Park West, Sealand Road, Chester, CH1 4RN |
| AEGIS Syndicate 1225 at Lloyd's | 0207 2652100 | c/o Aegis Syndicate 1225 at Lloyds, 33 Gracechurch Street, London, EC3V 0BT, United Kingdom |
| AEGON Insurance Company (UK) Ltd | | |
| Ageas Insurance (formerly Groupama) | 0207 264 2796 | Large & Complex Loss, 6th Floor, One America Square, 17 Crosswall, London, EC3N 2LB, United Kingdom |
| Ageas Insurance Limited | 01452 626000 | Ageas House, The Square, Gloucester Business Park, Brockworth, Gloucester, GL3 4AD, United Kingdom |
| AGF Insurance Limited | 0121 231 4000 | Latham House, Paradise Street, Birmingham, B1 2BJ |
| AIG Europe Ltd (formerly Chartis Europe Limited) | 0161 817 6306 | The AIG Building, 2-8 Altyre Road, Croydon, Surrey, CR9 2LG |
| Aioi Insurance Company Of Europe Limited | 01483 452622 | c/o Brampton Insurance Company Limited, Avaya House, 2 Cathedral Hill, Guildford, Surrey, GU2 7YL, United Kingdom |
| Aioi Nissay Dowa Insurance Company of Europe Ltd | 0345 0704471 | 7th Floor, The Hallmark Building, 52-56 Leadenhall Street, London, EC3A 2EB, United Kingdom |
| Aldgate Insurance Company Limited | | |
