| BA (GI) Ltd | 02073422400 | 4th Floor, 8 Fenchurch Place, London, EC3M 4AJ |
| BAI (Run-Off) Ltd co PWC Business Services | 01612369191 | 1 Hardman Square, Manchester, M3 3EB, United Kingdom |
| Baltimore Insurance Limited | 35312081437 | 30 North Wall Quay, International Financial Services Centre, Dublin D01R8H7, Ireland, ZZ9 9ZZ |
| Balva Insurance AAS | 020 7953 1196 | RolandsStrasdins, Balva Insurance company ltd , 15-9 PulkvezaBrieza Street, Riga LV-1010, Riga, ZZ9 9ZZ |
| Baptist Insurance Company Plc | 0161 817 6525 | Benefact House, 2000 Pioneer Avenue, Gloucester Business Park, Brockworth, Gloucester, GL3 4AW, United Kingdom |
| Beaufort Insurance Company Limited | 01661 822 904 | 90 Fenchurch Street, London, EC3M 4ST |
| Beazley Furlonge Ltd | 020 7667 0623 | 22 Bishopsgate, London, EC2N 4BQ, United Kingdom |
| Beazley Insurance DAC UK Branch | 02076670623 | 22 Bishopsgate, City of London, London, EC2N 4BQ |
| Berkley Offshore Underwriting Managers UK Limited | 020 7337 1415 | 7th Floor, 40 Lime Street, London, EC3M 7AW |
| Berkshire Hathaway European Insurance DAC | 020 3429 4912 | 1 Grants Row, Dublin 2, D02 HX96, Dublin, ZZ9 9ZZ, Ireland |
