The following companies are registered in England and Wales and have their registered office at Isaacs Building, 4 Charles Street, Sheffield, S1 2HS
| Company Name | Company number |
| Airport Business Park (Quad) Management Limited | 14229315 |
| Airport Business Park Southend Management Limited | 11441062 |
| Aytoun Street Developments Limited | 8682592 |
| Banner Cross Hall Limited | 4061083 |
| Banner Plant Limited | 607575 |
| Bigmouth Manchester Limited | 9976459 |
| Butterfield Quad 2 Management Company Limited | 13247306 |
| Butterfield Quad Management Company Limited | 12091892 |
| Capitol Park Property Services Limited | 8795137 |
| Chocolate Works York Management Company Limited | 9889108 |
| Clock Tower (York) Management Company Limited | 13857768 |
| Constructionend Limited | 976647 |
| First National Housing Trust Limited | 276288 |
| Glasgowend Limited | 1576203 |
| Hallam Homes Limited | 4804157 |
| Hallam Land Management Limited | 2456711 |
| HB Island Limited | 11641820 |
| HB Origin Limited | 16099933 |
| HBD City Court Limited | 13351580 |
| HBD Dev Co 1 Limited | 14128256 |
| HBD Golden Valley Limited | 13966492 |
| HBD GP Limited | 16096484 |
| HBD Spark Limited | 16096078 |
| HBD Summerhill Limited | 13285696 |
| HBGP Limited | 11641976 |
| Henry Boot & Sons Limited | 4066798 |
| Henry Boot (Launceston) Limited | 9276678 |
| Henry Boot (Manchester) Limited | 6051156 |
| Henry Boot Biddenham Limited | 5901324 |
| Henry Boot Construction Limited | 2880202 |
| Henry Boot Contracting Limited | 7399102 |
| Henry Boot Cornwall House Limited | 11176009 |
| Henry Boot Deansgate Limited | 15269405 |
| Henry Boot Developments Limited | 1390361 |
| Henry Boot Estates Limited | 276603 |
| Henry Boot Homes Limited | 4804114 |
| Henry Boot Inner City Limited | 2145413 |
| Henry Boot Investments 1 Limited | 3125802 |
| Henry Boot 'K' Limited | 6386834 |
| Henry Boot Land Holdings Limited | 4570294 |
| Henry Boot Leasing Limited | 3248776 |
| Henry Boot Nottingham Limited | 8682793 |
| Henry Boot PLC | 160996 |
| Henry Boot Projects Limited | 1679963 |
| Henry Boot Scotland Limited | 3996796 |
| Henry Boot Swindon Limited | 6051131 |
| Henry Boot Tamworth Limited | 5901334 |
| Henry Boot Wentworth Limited | 1670475 |
| IAMP Management Company Limited | 11735214 |
| Investments (North West) Limited | 6956932 |
| Island Site (General Partner) Limited | 11532059 |
| Island Site (Nominee) Limited | 11532379 |
| Marboot Centregate 2 Limited | 10129169 |
| Marboot Centregate Ltd | 9662598 |
| Montagu 406 Regeneration LLP | OC420870 |
| Moore Street Securities Limited | 2493145 |
| MVNE LLP | OC433063 |
| Newmarket Lane Holding Limited | 11190054 |
| Newmarket Lane Limited | 6619104 |
| Newmarket Lane Management Company Limited | 9073279 |
| Plot 7 East Markham Vale Management Company Limited | 8281170 |
| Saltwoodend Limited | 5075297 |
| SETL Management Company Limited | 15290254 |
| SJ Manchester Limited Partnership | LP022152 |
| SJM (Nominee) Limited | 13666505 |
| SJM GP Limited | 13665805 |
| Spark Walsall Management Company Limited | 16090079 |
| St John's Manchester Limited | 12276168 |
| Stonebridge Homes Group Limited | 12065057 |
| Stonebridge Homes Limited | 7279118 |
| Stonebridge Offices Limited | 7728107 |
| Winter Ground Limited | 4572581 |
| Wyvern Park Skipton Management Company Limited | 13844054 |