The companies listed below are registered in England. The registered address for these companies is: 90 Fenchurch Street, London EC3M 4ST
| Name of Company | Registration Number in England |
| Activities Industry Mutual Ltd | 5372198 |
| Bar Mutual Indemnity Fund Limited | 2182018 |
| BLP Technical Services (UK) Ltd. | 7639530 |
| Building LifePlans Limited | 3871048 |
| Condon Claims Management Ltd | 3910278 |
| Entremain Limited | 2101139 |
| Fire & Rescue Indemnity Company Ltd | 9653373 |
| H.A.P.M. Management Company Limited | 2448927 |
| Housing Association Property Mutual Limited | 1985799 |
| International Transport Intermediaries Club Ltd. | 2725312 |
| International Transport Intermediaries Management Co Ltd. | 2670020 |
| Marine Response Services Ltd | 6519206 |
| Navata Global Underwriting Agency Ltd | 2519540 |
| PAMIA Limited | 2418817 |
| Shearwater Law Ltd | 8589434 |
| The Livery Companies' Mutual Ltd | 3785407 |
| The Occupational Pensions Defence Union Limited | 3277897 |
| The United Kingdom Freight Demurrage and Defence Association Limited | 501877 |
| The United Kingdom Mutual Steam Ship Assurance Association (London) Limited | 10375 |
| The United Kingdom Mutual Steam Ship Assurance Association Limited | 22215 |
| TheJudge Group Holdings Limited | 6757896 |
| TheJudge Limited | 3941392 |
| Thomas Miller & Co Limited | 1898192 |
| Thomas Miller (UK) Holdings Ltd. | 3766242 |
| Thomas Miller Claims Management Limited | 4246831 |
| Thomas Miller Defence Ltd. | 1901412 |
| Thomas Miller Healthcare Trustee Ltd. | 7428615 |
| Thomas Miller Investment Ltd. | 2187502 |
| Thomas Miller P&I Ltd. | 1901414 |
| Thomas Miller Professional Indemnity Ltd | 2131193 |
| Thomas Miller Professions Ltd | 1206978 |
| Thomas Miller Specialty Holdings Limited | 4539069 |
| Thomas Miller War Risks Services Ltd | 1901415 |
| Through Transport Mutual Services (UK) Ltd. | 2979794 |
| TMC Trustee Company Limited | 4363477 |
| TT Club Mutual Insurance Limited | 2657093 |
| United Kingdom Mutual War Risks Association Ltd. | 127262 |