| MK PREMIER BUILDING SERVICES UK LIMITED | 17349686 | London | 20 July 2026 | Active |
| WALLACE STEEL HOLDINGS LIMITED | 17238486 | Leicester | 22 May 2026 | Active |
| VIRIDIS POTENTIA LTD | 17230399 | Warwick | 19 May 2026 | Active |
| SHORING.UK LTD | 16641775 | London | 11 August 2025 | Active |
| SPOSA JEWELRY LIMITED | 16575810 | Manchester | 11 July 2025 | Active - Proposal to Strike off |
| LASER CUTTING & ARCHITECTURAL PANEL SYSTEMS LTD | 15981208 | West Bromwich | 26 September 2024 | Active |
| ADVANCED CONSTRUCTION PRODUCTS LTD | 15978294 | Liverpool | 25 September 2024 | Active |
| KLB STEEL SYSTEMS CO., LTD | 15912351 | West Midlands, England | 22 August 2024 | Active |
| ABSTRACT ENGINEERING LIMITED | 15911297 | Lutterworth | 22 August 2024 | Active |
| XINCHENG TRADE CO., LTD | 15799276 | Manchester | 24 June 2024 | Active - Proposal to Strike off |
| MIDDLE EAST BUILDINGS SYSTEMS LTD | 15712189 | London | 10 May 2024 | Active |
| CLADCO LIMITED | SC800689 | Glasgow | 27 February 2024 | Active |
| WALLACE MCDOWALL LIMITED | 15358627 | Leicester | 18 December 2023 | Active |
| WEIYU PRECISION TECHNOLOGY CO., LIMITED | 15196844 | West Midlands | 9 October 2023 | Active |
| EMT PRECISION PIPEWORK LTD | 14940597 | Ammanford | 16 June 2023 | Active |
| ROLLED STEEL SECTIONS LTD | 14889156 | West Bromwich | 23 May 2023 | Active |
| RG DESIGN LTD | 14874936 | Liverpool | 17 May 2023 | Active |
| FORMTEC LTD | 14833941 | Aldershot | 28 April 2023 | Active |
| JOBS UK COLCHESTER LTD | 14789799 | Birmingham | 10 April 2023 | Not in the latest register snapshot (dissolved or removed) |
| DEMSHOR CONTRACTS LTD | NI693596 | Londonderry | 10 January 2023 | Active |
| STEEL FRAME SYSTEMS LIMITED | 14314821 | London | 24 August 2022 | Active |
| MILK STREET MANUFACTURING LIMITED | 14168281 | Royal Victoria Docks | 13 June 2022 | Liquidation |
| R. MORLEY & SON LTD | 14020185 | Keighley | 1 April 2022 | Active |
| STAM ENGINEERING LIMITED | 11372213 | Bromsgrove | 21 May 2018 | Active |
| BIDDY ATTACHMENTS LIMITED | NI651878 | Castledawson | 22 March 2018 | Active |
| TAILGUARD SECTIONS LTD | 10814019 | Dudley | 12 June 2017 | Active |
| CHESTERFIELD FLASHING SERVICES LTD | 10813408 | Sheffield | 12 June 2017 | Active |
| AYRSHIRE METALS LTD | 09851201 | Daventry | 2 November 2015 | Active |
| A&J METAL FABRICATIONS LIMITED | 09185943 | Leeds | 21 August 2014 | Active |
| MADE PROFILES LIMITED | 08629149 | Wigan | 29 July 2013 | Active |
| DT STAINLESS FABRICATORS LTD | 08589014 | Huddersfield | 28 June 2013 | Active |
| FAB-TEK INSTALLATIONS LIMITED | 07423125 | Leeds | 29 October 2010 | Active |
| JAMES ENGINEERING (SCOTLAND) LIMITED | SC386051 | Ballachulish | 27 September 2010 | Active - Proposal to Strike off |
| KINGSMITH INSTALLATIONS LIMITED | 07150538 | Northampton | 9 February 2010 | Active |
| STRUCTURAL STEELWORK LIMITED | 07123920 | Dudley | 13 January 2010 | Active |
| WEST HERTS TOOLS & PRESSINGS LIMITED | 07042708 | Milton Keynes | 14 October 2009 | Active |
| MORGAN BROS (METALWORK SOLUTIONS) LTD | 07037174 | Coppull | 10 October 2009 | Active |
| CDM TITAN INTERNATIONAL CO., LTD | 07035066 | Beckenham | 30 September 2009 | Active |
| G. M. PRECISION LIMITED | 06988423 | Stockport | 12 August 2009 | Liquidation |
| UNIVERSAL STEEL PROFILES LIMITED | 06965474 | Stourbridge | 17 July 2009 | Active |
| SEVERN FABRICATIONS LIMITED | 06921388 | Newtown | 2 June 2009 | Active |
| ADVANCED COLDFORMED SECTIONS LTD | 06897484 | Wolverhampton | 6 May 2009 | Active |
| DAWSON SHANAHAN (WALES) LIMITED | 06838607 | Welshpool | 6 March 2009 | Active |
| WEAVER FLOORING (LONDON) LIMITED | 06752922 | Loughton | 19 November 2008 | Active |
| K.H. FABRICATION SOLUTIONS LTD | 06686616 | Sale | 2 September 2008 | Active |
| AEROTECH SOLUTIONS LTD | 06438822 | Sittingbourne | 27 November 2007 | Active |
| ACUMAK LTD | 06426522 | Basingstoke | 14 November 2007 | Active |
| ALUDOOR LTD | 05991789 | Wirral | 8 November 2006 | Active |
| MCS ROOFING & CLADDING SUPPLIES LIMITED | 05884681 | Leek | 24 July 2006 | Active |
| JAMESTAN HOLDINGS LIMITED | 05869826 | Bideford | 7 July 2006 | Active |