| 2GA Interiors Limited | Wolverhampton | 2021 |
| 2GC Building Services Ltd | Saltash | 2025 |
| 2GC Electrical Contractors Ltd | Gloucester | 2019 |
| 2GETHER Bathrooms Ltd | Gainsborough | 2021 |
| 2GM Construction Ltd | London | 2018 |
| 2GP Limited | Nottingham | 2018 |
| 2GR Development Ltd | Reigate | 2022 |
| 2H Developments Limited | Watford | 2020 |
| 2H Group Ltd | Stoke-On-Trent | 2018 |
| 2H Plant Limited | Rochdale | 2020 |
| 2H Solutions Limited | London | 2020 |
| 2H2 Ltd | Ilford | 2012 |
| 2H2C Group Ltd | London | 2025 |
| 2H2C Ltd | Cobham | 2026 |
| 2HOT2COLD Ltd | Feltham | 2012 |
| 2I Cars Limited | Derby | 2017 |
| 2IU Constructions Ltd | Luton | 2019 |
| 2J Facades & Interiors Ltd | Glossop | 2022 |
| 2JC Plumbing & Heating Limited | Luton | 2021 |
| 2JD Ltd | Grimsby | 2023 |
| 2JEM Ltd | Holloway | 2015 |
| 2JF Electrical Ltd | Caldicot | 2022 |
| 2JIMS Limited | Gloucester | 2002 |
| 2JK Lift Ltd | London | 2026 |
| 2JM Ltd | Ormskirk | 2018 |
| 2JM Services Ltd | Canterbury | 2010 |
| 2JR Property Services Ltd | Rayleigh | 2023 |
| 2JROOFINGSERVICES Ltd | Clockface | 2019 |
| 2JT Groundworks Ltd | Huddersfield | 2016 |
| 2K Assembly and Distribution Limited | Totnes | 2016 |
| 2K Build Ltd | London | 2023 |
| 2K Construct Limited | Cardiff | 2015 |
| 2K Construction Ltd | London | 2020 |
| 2K Electrical Limited | Bristol | 2012 |
| 2KBH Property Services Limited | Stockton-On-Tees | 2025 |
| 2KCJ Build Ltd | Nottingham | 2025 |
| 2KD Limited | Isleworth | 2019 |
| 2L Development Limited | Harrow | 2010 |
| 2LITTLE Design and Engineering Ltd | Liverpool | 2023 |
| 2LOOP Ltd | London | 2024 |
| 2M Associates Limited | County Antrim | 2003 |
| 2M Builders Limited | Cumnock | 2021 |
| 2M Construction and Restorations Ltd | London | 2023 |
| 2M Developments (Old Roan) Ltd | Liverpool | 2021 |
| 2M Insulations Ltd | Croydon | 2021 |
| 2M Interiors Ltd | Birmingham | 2018 |
| 2M Projects Limited | Barnet | 2025 |
| 2M Property Developments Limited | Wadhurst | 2023 |
| 2M Property Services Limited | Thatcham | 2006 |
| 2MA Plumbing and Heating Ltd | Enfield | 2024 |
| 2MAC Limited | London | 2018 |
| 2MAK Ltd | Ilford | 2021 |
| 2MB Ltd | North Harrow | 2025 |
| 2MBJOINERY Ltd | Liverpool | 2025 |
| 2MC Group Ltd | Chelmsford | 2025 |
| 2MG Construction Ltd | London | 2024 |
| 2MG Invest Ltd | London | 2020 |
| 2MG Property (UK) Limited | London | 2017 |
| 2MM Construction Ltd | Gloucester | 2022 |
| 2MO Studio Ltd | London | 2021 |
| 2MR Property Ltd | Swansea | 2026 |
| 2MS Construction Ltd. | Lancing | 2007 |
| 2MY Limited | South Ockenden | 2026 |
| 2N3 Design Ltd | London | 2018 |
| 2ND 2 None Solutions Ltd | South Shields | 2025 |
| 2ND Chapter Developments Ltd | Wakefield | 2026 |
| 2ND City Ltd | Birmingham | 2006 |
| 2ND City Build Ltd | Birmingham | 2026 |
| 2ND City Electrics Ltd. | Sutton Coldfield | 2017 |
| 2ND City GAS Plumbing and Heating Services Limited | Halesowen | 2011 |
| 2ND City Group Limited | Willenhall | 2025 |
| 2ND Creation Ltd | Hertfordshire, Sawbridgeworth | 2017 |
| 2ND GEN Roofing Ltd | Stratford-Upon-Avon | 2025 |
| 2ND Generation Building Services Ltd | Birmingham | 2011 |
| 2ND Generation Construction Ltd | Enfield | 2025 |
| 2ND Generation Facades Ltd | Birmingham | 2017 |
| 2ND SON Ltd | Ross-On-Wye | 2005 |
| 2ND Street Developments Ltd | West Wickham | 2020 |
| 2NWEST Builders and Decorators Ltd | Northampton | 2012 |
| 2OB Limited | Stourbridge | 2018 |
| 2OYAL Limited | Welwyn | 2015 |
| 2PEP Limited | Dartford | 2010 |
| 2PRECISE Limited | Winchester | 2015 |
| 2PRIMOS Limited | London | 2024 |
| 2PSERVICES Limited | Market Harborough | 2019 |
| 2R Construction Ltd | Basildon | 2019 |
| 2R Design Ltd | Bishop'S Stortford | 2025 |
| 2R Estates Ltd | Dover | 2025 |
| 2R Home Build & Decor Ltd | London | 2025 |
| 2R Installations Limited | Colchester | 2015 |
| 2R Logistics Ltd | Ilford | 2021 |
| 2RADO & Co Ltd | London | 2020 |
| 2RAN Building & Maintenance Limited | London | 2020 |
| 2RAY-MORI Ltd. | Broxbourne | 2019 |
| 2RAYS Solar Ltd | Birmingham | 2023 |
| 2RCS Ltd | Borehamwood | 2014 |
| 2RN Limited | Loughborough | 2024 |
| 2ROKCONS Ltd | Radlett | 2023 |
| 2RPROJECTS Limited | Fareham | 2021 |
| 2RS Electrical Maintenance Ltd | Milton Keynes | 2026 |