| 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 |
| Navigators International Insurance Company Ltd | 020 7220 6906 | 6 Bevis Marks, Floors 7-8, London, EC3A 3BD |
| New Hampshire Insurance Company | 020 8253 7509 | Chartis Insurance UK Limited, 2-8 Altyre Road, Croydon, , Surrey , CR9 2LG, United Kingdom |
| New India Assurance Co Ltd | 0121 231 4055 | The Chapel, Pinewood Court, Coleshill Road, Marston Green, Birmingham, B37 7HG |
| Newline Underwriting Management Limited | 020 7090 1755 | Corn Exchange, 55 Mark Lane, London, EC3R 7NE, United Kingdom |
