| Navigators Insurance Company | 0207 220 6900 | Floors 7-8, 6 Bevis Marks, London, EC3A 7BA |
| 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 |
| Newwater Insurance Limited | 00 353 1 802 8928 | 30 North Wall Quay, IFSC, Dublin 1, Dublin, ZZ9 9ZZ, Ireland |
| NFU Mutual | 02890 818604 | 4/8 Adelaide Street, Belfast, BT2 8GE |
| Nippon Insurance Company of Europe Ltd | 020 7628 9599 | C/o Sompo Japan Nipponkoa Insurance company of Europe Ltd, 1st Floor, 6 Devonshire Square, London, EC2M 4YE |
| Nipponkoa Insurance Co of (Europe) Ltd | 020 7628 9599 | C/o Sompo Japan Nipponkoa Insurance company of Europe Ltd, 1st Floor, 6 Devonshire Square, London, EC2M 4YE |
| Noble Insurance Company dac | + 353 1 266 6000 | 3rd Floor The Metropolitan Building, James Joyce Street, Dublin 1, Dublin, ZZ9 9ZZ, Ireland |
| Not Known | | |
