| AJL RAIL/CIVIL ENGINEERING LTD | 17487716 | Merthyr Tydfil | 29 September 2026 | Active |
| FFR CONSTRUCTION LTD | 17486649 | Derby | 28 September 2026 | Active |
| JACKSON JONES UTILITIES LTD | 17482991 | Kidderminster | 26 September 2026 | Active |
| BROMSGROVE WATER LTD | 17481764 | Droitwich | 25 September 2026 | Active |
| JMS UTILITIES LIMITED | 17480149 | Fareham | 24 September 2026 | Active |
| IAC WIND LTD | 17478220 | Sunderland | 24 September 2026 | Active |
| TEZNOCORP LTD | 17473872 | London | 22 September 2026 | Active |
| HATTON’S UTILITIES LTD | 17475238 | St. Helens | 22 September 2026 | Active |
| TIERRA SCAN LTD | 17468722 | Salford | 18 September 2026 | Active |
| REACTIVE DRAINAGE REPAIRS LTD | 17448553 | Preston | 9 September 2026 | Active |
| IMPWAY CONNECTIONS LIMITED | 17450815 | March | 9 September 2026 | Active |
| LDSURVEYS LTD | 17446126 | London | 8 September 2026 | Active |
| K COLLINS RIGGING LTD | SC901495 | Dunfermline | 3 September 2026 | Active |
| SYKES & SONS WATER UTILITIES LTD | 17422192 | Barnsley | 26 August 2026 | Active |
| DEAKS ENGINEERING & COMPLIANCE LIMITED | 17421992 | Wimborne | 26 August 2026 | Active |
| AJM WATER LTD | 17421885 | Poole | 26 August 2026 | Active |
| HMS (SOUTH EAST) LTD | 17418686 | Brentwood | 25 August 2026 | Active |
| KALLS RENEWABLES LTD | 17416888 | Hull | 24 August 2026 | Active |
| FI CIVILS LTD | 17415172 | Preston | 22 August 2026 | Active |
| RH GALE UTILITIES LIMITED | 17411537 | Bristol | 20 August 2026 | Active |
| KSD UTILITIES LTD | 17411558 | Liverpool | 20 August 2026 | Active |
| BLESSED WATER PROJECTS LTD | 17412079 | Bury St. Edmunds | 20 August 2026 | Active |
| LIVER 97 LTD | 17409682 | Liverpool | 19 August 2026 | Active |
| ROBERTSON PROPERTY (BARTLE) LIMITED | SC899311 | Elgin | 17 August 2026 | Active |
| D&O LEWIS UTILITIES LTD | 17401714 | Malvern | 14 August 2026 | Active - Proposal to Strike off |
| LH20 LIMITED | 17392493 | Barnsley | 11 August 2026 | Active |
| NORTH WEST UTILITY CONNECTIONS LTD | 17388762 | Liverpool | 8 August 2026 | Active |
| STEELSPEC LTD | SC898341 | Inverness | 6 August 2026 | Active |
| MANZI CONTRACTORS LIMITED | 17384428 | Ramsgate | 6 August 2026 | Active |
| H&C UTILITIES LTD | 17382140 | Hoddesdon | 5 August 2026 | Active |
| JTHCS LIMITED | 17381243 | Wimborne | 4 August 2026 | Active |
| MCCORMACK MAINTENANCE LTD | 17372542 | Letchworth Garden City | 31 July 2026 | Active |
| CDN CIVIL ENGINEERING LTD | 17373678 | Liverpool | 31 July 2026 | Active |
| PJ PRESSURE TESTING LIMITED | 17369516 | Bedale | 29 July 2026 | Active |
| J&R UTILITIES LTD | 17368829 | Leeds | 29 July 2026 | Active |
| AARON WATER LIMITED | 17361829 | Stockport | 26 July 2026 | Active |
| BOYLAN CONTRACTS LTD | NI742431 | Coleraine | 24 July 2026 | Active |
| LANE UTILITY NETWORKS LTD | 17348682 | Fareham | 20 July 2026 | Active |
| HSS UTILITIES LTD | 17349957 | Benfleet | 20 July 2026 | Active |
| CHESHIRE DRAINS & SURVEYS LIMITED | 17349031 | Alderley Edge | 20 July 2026 | Active |
| K LIMITED LTD | 17345681 | London | 17 July 2026 | Active |
| MT TURBINES LIMITED | 17339785 | Brough | 14 July 2026 | Active |
| NEXUM UTILITY ADVISORS LTD | 17334261 | Wolverhampton | 12 July 2026 | Active |
| OJS CIVIL ENGINEERING LTD | 17334075 | Market Rasen | 11 July 2026 | Active |
| BURROW CIVIL & MARINE NI LTD | NI742079 | Enniskillen | 8 July 2026 | Active |
| LEEDS SOUTH ESCO LIMITED | 17325315 | Carlisle | 7 July 2026 | Active |
| EPROJECT BOARD LTD | 17324510 | London | 7 July 2026 | Active |
| LEEDS SOUTH HEAT NETWORK LIMITED | 17323907 | Carlisle | 6 July 2026 | Active |
| H4 CIVILS LTD | 17321306 | Gillingham | 5 July 2026 | Active |
| KS PLUMBING AND UTILITIES LTD | SC894845 | Dundee | 3 July 2026 | Active |