| 29B Ltd | Bishop'S Stortford | 2024 |
| 29CU Plumbing & Heating Ltd | Harlow | 2025 |
| 29QR Development Ltd | Telford | 2020 |
| 2@T Plumbing and Heating Ltd | Glasgow | 2023 |
| 2A Construction Ltd | London | 2023 |
| 2A Contractor Limited | Hayes | 2024 |
| 2A Electrical Engineering Services Ltd | London | 2021 |
| 2A Electrical Limited | Dagenham | 2018 |
| 2A Milner Street Limited | Doncaster | 2017 |
| 2A Plastering Ltd | Luton | 2023 |
| 2A Renewables Ltd | Chiswick | 2026 |
| 2A Renovations Ltd | London | 2025 |
| 2A Services Ltd | London | 2026 |
| 2A&A Construction Limited | Edgware | 2025 |
| 2A2 Construction Ltd | Dagenham | 2026 |
| 2AA Construction Limited | Harlow | 2024 |
| 2AAE Construction Ltd | London | 2025 |
| 2AB Civils and Rail Services Ltd | Hawick | 2025 |
| 2ACM Paving Ltd | Stevenage | 2014 |
| 2AE Construction Ltd | London | 2025 |
| 2AG Ltd | London | 2018 |
| 2AJ Electrical Ltd | Waterlooville | 2024 |
| 2AN Construction Ltd | Barnet | 2025 |
| 2ASTAR Drylining Ltd | London | 2018 |
| 2B Building Services Ltd | Brentford | 2021 |
| 2B Construction Ltd | Borehamwood | 2023 |
| 2B Constructive Limited | Desborough | 2010 |
| 2B Developments Limited | Reading | 2016 |
| 2B Electrical & Mechanical Services Ltd | Leicester | 2010 |
| 2B Electrical Solutions Limited | Kidderminster | 2019 |
| 2B Fixing Limited | Northampton | 2014 |
| 2B Frank Limited | Bromley | 2017 |
| 2B Innovation Ltd | Bideford | 2016 |
| 2B Invest Ltd | London | 2022 |
| 2B Structures Ltd | Woodford Green | 2021 |
| 2BIGBROTHERS Limited | Liverpool | 2026 |
| 2BJJ Ltd | Edgware | 2024 |
| 2BMETALIA Limited | High Wycombe | 2023 |
| 2BRB Lofts Ltd | London | 2023 |
| 2BREATHE @Home Limited | Leatherhead | 2017 |
| 2BROTHERS Cooling Ltd | Poole | 2024 |
| 2BROTHERS Heat Pumps Ltd | Poole | 2025 |
| 2BROTHERS Mechanical and Electrical Ltd | Poole | 2025 |
| 2BROTHERS Renewables Ltd | Poole | 2024 |
| 2BROTHERS Solar Ltd | Poole | 2025 |
| 2BUILD Brickwork Ltd. | London | 2018 |
| 2C Astbury Ltd | Croydon | 2024 |
| 2C Broadland Norwich Limited | London | 2006 |
| 2C Developments Limited | Leeds | 2017 |
| 2C Electrical Ltd. | Sidcup | 2014 |
| 2C Fitting Ltd | Birmingham | 2020 |
| 2C Homes Limited | Bristol | 1987 |
| 2CANDO Logistical Property Services Ltd | Derby | 2016 |
| 2CC Developments Ltd | Bromyard | 2019 |
| 2CG Groundwork’S Ltd | Heckmondwike | 2018 |
| 2CM Ltd | London | 2020 |
| 2CS Construction Ltd | Gainsborough | 2014 |
| 2CT Consultants Limited | Ipswich | 2012 |
| 2CT Limited | Bristol | 2012 |
| 2D Building Contractors Ltd | Pontyclun | 2010 |
| 2D Building Ltd | Oakham | 2019 |
| 2D Construction 2018 CYF | Blackwood | 2018 |
| 2D Corporation Limited | Bushey | 2025 |
| 2D Developments NW Limited | Preston | 2019 |
| 2D Electrical Ltd | Burton-On-Trent | 2025 |
| 2D Electrical Services Limited | Chester | 2007 |
| 2D Energy Solutions Ltd | Aylesbury | 2023 |
| 2D Kitchens & Joinery Limited | Kettering | 2024 |
| 2D OR NOT 2D Modular Homes Ltd | Bicester | 2024 |
| 2D Plumbing and Heating Ltd | Stevenage | 2017 |
| 2D Projects Ltd | Cheshunt | 2018 |
| 2D Roofing Ltd. | Blackburn | 2012 |
| 2D23 Limited | Brighton | 2023 |
| 2DABOS Ltd | Croydon | 2018 |
| 2DAVES Properties Limited | Macclesfield | 2017 |
| 2DAYUCAN Ltd | Mansfield | 2019 |
| 2DC Property Services Ltd | Warrington | 2024 |
| 2DEGREESC Ltd | Rochdale | 2010 |
| 2DOO4YOU Ltd | London | 2024 |
| 2DS Builders Limited | Wembley | 2019 |
| 2DS Property Development Ltd | Basingstoke | 2022 |
| 2DT Construction Ltd | Kettering | 2024 |
| 2DWELL Ltd | Leeds | 2025 |
| 2E Building Services Ltd | Cambs | 2024 |
| 2E Construction Ltd | Tilbury | 2017 |
| 2EG Solutions Limited | Birmingham | 2024 |
| 2ELEV8 Limited | Liverpool | 2020 |
| 2F Capital Ltd | London | 2014 |
| 2FAST Courier Ltd | Wishaw | 2026 |
| 2FBD Ltd | Bordon | 2021 |
| 2FISH Consulting Limited | Bury St. Edmunds | 2018 |
| 2FIX Facades Ltd | Ilford | 2022 |
| 2FJ Build Limited | Manchester | 2025 |
| 2FJ Limited | Manchester | 2025 |
| 2FLOOR68 Ltd. | Colchester | 2017 |
| 2FUSE Ltd | Epsom | 2015 |
| 2FX Carpentry Limited | Kington | 2008 |
| 2G Energy Ltd. | Runcorn | 2011 |
| 2G Joinery Limited | Peterhead | 2013 |
| 2G Properties (NW) Ltd | Coventry | 2023 |