| ONLINE BOILERS LTD | 17488548 | Tamworth | 29 September 2026 | Active |
| IRONSPAN INDUSTRIAL SERVICES LTD | 17482965 | Hayes | 26 September 2026 | Active |
| RA & MJ FELLGETT LTD | 17468472 | Ipswich | 18 September 2026 | Active |
| ALLOY DOCTOR LTD | NI743878 | Armagh | 18 September 2026 | Active |
| PRJ WELDING SERVICES LIMITED | 17464754 | Kidderminster | 17 September 2026 | Active |
| CATON SITE WELDING LTD | 17461077 | Caernarfon | 15 September 2026 | Active |
| LORDS OF THE LOCK LTD | 17452229 | Doncaster | 11 September 2026 | Active |
| NATHAN SHAW PROCESS LIMITED | 17451389 | Swadlincote | 10 September 2026 | Active |
| VE WELD LTD | SC901940 | Ayr | 8 September 2026 | Active |
| TECWELDING LTD | 17443974 | London | 7 September 2026 | Active |
| JIA PRODUCTION LTD | 17435876 | Wolverhampton | 3 September 2026 | Active |
| MORAN PIPE FITTING & REPAIRS LTD | 17416983 | London | 24 August 2026 | Active |
| MS DHILLON LIMITED | 17414817 | Gravesend | 21 August 2026 | Active |
| LLH FABRICATIONS LTD | 17410876 | South Shields | 20 August 2026 | Active |
| JSZ VENTURES LIMITED | 17403419 | London | 17 August 2026 | Active |
| LAWZ FABRICATIONS LTD | 17402396 | Port Talbot | 15 August 2026 | Active |
| MUIR WELDING SERVICES LIMITED | SC898513 | Fraserburgh | 8 August 2026 | Active |
| CGR OUTSOURCE GROUP LIMITED | 17381377 | Milton Keynes | 4 August 2026 | Active |
| TQ WELDING SERVICES LIMITED | 17375073 | Birkenhead | 1 August 2026 | Active |
| BH WELDING & FABRICATION LTD | 17371919 | Lowestoft | 30 July 2026 | Active |
| MG SERVICES LTD LTD | SC897255 | Lochgelly | 28 July 2026 | Active |
| JACDGLOBALWELDING LTD | 17358334 | London | 23 July 2026 | Active |
| ALL ENTRANCE SOLUTIONS LTD | 17354086 | Fareham | 22 July 2026 | Active |
| COLIN MCGLINCHEY LTD | NI742312 | Newtownabbey | 21 July 2026 | Active |
| GCS ENGINEERING LTD | 17350566 | Maidenhead | 20 July 2026 | Active |
| AT WELDERS&FABRICATORS LTD | SC896330 | Glasgow | 17 July 2026 | Active |
| WELDING SPECIALISTS TEAM LTD | 17343588 | Sutton-In-Ashfield | 16 July 2026 | Active |
| KAYA STEELS LTD | 17340852 | Enfield | 15 July 2026 | Active |
| APEX ASSET SOLUTIONS LTD | 17329754 | Great Yarmouth | 9 July 2026 | Active |
| ASHTON WELDING SERVICES LIMITED | 17313945 | Stockport | 2 July 2026 | Active |
| HSDAVEY LTD | 17309528 | Barrow-In-Furness | 30 June 2026 | Active |
| WELDING SERVICES LTD | 17293004 | Hartlepool | 21 June 2026 | Active |
| DOORO LTD | 17280586 | Grays | 18 June 2026 | Active |
| BLANCHARD FABRICATORS LIMITED | 17284227 | Rotherham | 18 June 2026 | Active |
| ELITE SOLUTIONS NORTH-WEST LIMITED | 17276227 | Liverpool | 17 June 2026 | Active |
| PS INDUSTRIAL COATINGS GROUP LTD | 17265463 | London | 6 June 2026 | Active |
| BAIRD WELDING AND MECHANICAL LTD | SC892071 | Cumnock | 5 June 2026 | Active |
| TUNNICLIFFE PLANT SOLUTIONS LTD | 17257149 | Chesterfield | 2 June 2026 | Active |
| MCGOVERNS MACHINERY AND FABRICATIONS LTD | 17248343 | Barrow-In-Furness | 28 May 2026 | Active |
| ACI CONSTRUCTION LTD | 17245933 | Middlesbrough | 27 May 2026 | Active |
| DAKF CONSTRUCTION LIMITED | SC890834 | Inverness | 26 May 2026 | Active |
| SNAG&FIX LTD | 17233654 | Blackburn | 20 May 2026 | Active |
| MATTHEW KITCHEN BODYWORK LTD | 17222921 | Plymouth | 15 May 2026 | Active |
| PIPETEK WELDING & FABRICATION LTD | 17220385 | Newark | 14 May 2026 | Active |
| LMF PIPEWORK SERVICES LTD | 17218631 | Bury | 13 May 2026 | Active |
| JAMES INTEGRATED INTEGRITY SERVICES LTD | 17212635 | Porth | 12 May 2026 | Active |
| ECO GUARD CONTAINER SERVICES LTD | 17205924 | London | 8 May 2026 | Not in the latest register snapshot (dissolved or removed) |
| STEELGUARD SYSTEMS LTD | 17204222 | London | 7 May 2026 | Active |
| CRAIG MELROSE FABRICATIONS LTD | SC888787 | Dalkeith | 7 May 2026 | Active |
| NOBLE WELDING & FABRICATION LTD | 17199896 | Doncaster | 5 May 2026 | Active |