| Mitsui Sumitomo Ins Co (Europe) Ltd | 0207 977 8321 | The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AG, United Kingdom |
| MS Amlin Insurance SE (UK Branch) | | |
| MSIG Europe SE UK Branch | 020 7746 1000 | The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AG |
| MSIG Europe SE UK Branch | 020 7746 1000 | The Leadenhall Building, 122 Leadenhall Street, London, EC3V 4AG |
| Munich Re Syndicate Ltd | 020 7886 3900 | St. Helens, 1 Undershaft, London, EC3A 8EE, United Kingdom |
| Municipal General Insurance Ltd | | |
| Municipal Mutual Insurance | 0207 821 6444 | 23 College Hill, London, EC4R 2RP |
| National Grid Insurance Company Ireland DAC | 00353 1266 6097 | Third Floor, The Metropolitan Building, James Joyce Street, Dublin 1, Dublin, ZZ9 9ZZ, Ireland |
| National Pharmacy Association Insurance | 01727 858687 | Daryn Hughes, , 38 St Peter's St, St Albans, AL1 3NP |
| Navigators Insurance Company | 0207 220 6900 | Floors 7-8, 6 Bevis Marks, London, EC3A 7BA |
