| DIY Home Improv Limited | London | 2014 |
| DIY Home Improvements Limited | London | 2014 |
| DIY Ltd | Cambridge | 2021 |
| DIY Marquee (UK) Industry Co., Ltd. | London | 2011 |
| DIY Plastics Ltd | Newton Aycliffe | 2006 |
| DIY Supplies (Okehampton) Limited | Okehampton | 2005 |
| DIY UK Made Shutters Ltd | Rickmansworth | 2025 |
| Diyarbakir Limited | London | 2014 |
| Dizayn DIS Ticaret Ltd | Blackpool | 2023 |
| Dizzee Rascal Limited | | 2005 |
| Dizzy's Restaurant & Bar Limited | Beckenham | 2017 |
| Dizzyland FUN Fairs Ltd | Newry | 2011 |
| Dizzylands FUN Fairs Ltd | Newry | 2011 |
| DJ & RT Lysaght Limited | North Walsham | 2015 |
| DJ Bitcoin Ltd | London | 2022 |
| DJ FAT Adam Ltd | Southend-On-Sea | 2021 |
| DJ Jeffreys Racing Club Ltd | Evesham | 2022 |
| DJ Property Management (Liverpool) Ltd | Liverpool | 2014 |
| DJ Spall Recovery Assistance Limited | London | 2020 |
| DJ World Magazine Limited | London | 1998 |
| DJA Investments Ltd | Camberley | 2023 |
| Django Harrison Gomez-Harte Ltd | London | 2025 |
| DJB (1) Ltd | Pontyclun | 2026 |
| DJB Enterprises Ltd | Stourport On Severn | 2011 |
| DJB Limited | Enniskillen | 2026 |
| DJB Signalling Limited | Ramsgate | 2018 |
| DJB Woking Limited | Epsom | 2015 |
| Djbh Associates Limited | Barnet | 2010 |
| DJC Boutique Limited | Croydon | 2022 |
| DJH Corporate Finance Limited | Stoke On Trent | 2024 |
| DJI Engineering Ltd | Ashford | 2014 |
| Djipoue Limited | Northampton | 2022 |
| DJJ Holdings Limited | Reading | 2024 |
| DJM Asset Management Limited | Coatbridge | 2017 |
| DJM Construction Project Services Ltd | Leeds | 2018 |
| DJM Recruitment Limited | Skelmersdale | 2013 |
| DJM Roadmarkings Limited | Camberley | 2011 |
| Djocar Ltd | Burton-On-Trent | 2023 |
| DJS Access Specialist Ltd | Newcastle Upon Tyne | 2025 |
| DJS Accountancy Recruitment Limited | Southend-On-Sea | 2008 |
| DJS Investment Management Ltd | Coventry | 2014 |
| DK Brands Ltd | Alton | 2022 |
| DK Commercials Limited | Corby | 2012 |
| DK Immobilien Ltd | London | 2020 |
| DK Ltd | Saffron Walden | 2009 |
| DK Management Ltd | Coventry | 2015 |
| DK Retail Limited | Twickenham | 2012 |
| DK Thermal Limited | Hertford | 1999 |
| DKB Crop Protection Limited | Wisbech | 2002 |
| DKB Engineering Services Ltd | Tidworth | 2013 |
| Dkbb Contracts Limited | South Yorkshire | 2007 |
| Dkec Properties Limited | Ashford | 2025 |
| DKG Invest Sweden Limited | London | 2026 |
| DKG Properties Limited | Leics | 2006 |
| Dkgin Ltd | Dorking | 2017 |
| DKI Property Ltd | Tonbridge | 2024 |
| Dkiloy Technology Co., Ltd | Cardiff | 2021 |
| DKL 2016 Limited | Manchester | 2016 |
| DKM Hospitality Ltd | Swansea | 2025 |
| DKR Electrical Ltd | Altrincham | 2021 |
| DL Group Holdings Limited | Knutsford | 2017 |
| DL Homer Ltd | Coventry | 2022 |
| DL Investment Management Ltd | Edinburgh | 2011 |
| DL Ltd | Saffron Walden | 2008 |
| DL Property Limited | Chelmsford | 2015 |
| DL Roofing Specialists Ltd | Erith | 2023 |
| DLA Freeman White Healthcare Architecture Limited | Leeds | 2003 |
| DLA Graphics Limited | Leeds | 2000 |
| DLA Holdings Limited | Leeds | 2003 |
| DLA Ignite Ltd | Hemel Hempstead | 2019 |
| DLA Interiors Limited | Leeds | 2000 |
| DLA Landscape and Urban Design Limited | Leeds | 2000 |
| DLA Project Services Limited | Leeds | 2000 |
| DLB Accounts at Your Hands Ltd | Twickenham | 2020 |
| DLC Investment Management Ltd | Edinburgh | 2012 |
| DLD Training Limited | Lincoln | 1997 |
| DLG Affiliates Limited | Ross-On-Wye | 2011 |
| DLG Property Leases Limited | Leeds | 2006 |
| DLG Surveys Limited | Ross-On-Wye | 2011 |
| Dlink Services Limited | Luton | 2025 |
| Dlkj Ltd | Salford | 2017 |
| DLM Electric Ltd | Peterborough | 2015 |
| DLM Landmaster Limited | Bedale | 2000 |
| DLN Logistics Limited | Telford | 2024 |
| Dlore Limited | London | 2014 |
| DLP Maintenance Limited | Perth | 2023 |
| DLS Medical Limited | Lincolnshire | 2006 |
| DLS Plastics Limited | Grantham | 2004 |
| Dlsuk Limited | Sutton Coldfield | 1996 |
| DLW Company Formation Services 0010 Limited | Belper | 2013 |
| DLW Company Formation Services 0012 Limited | Belper | 2013 |
| DLW Company Formation Services 0013 Limited | Barrow-In-Furness | 2013 |
| DLW Company Formation Services 0015 Limited | Horley | 2013 |
| DLW Company Formation Services 0016 Limited | Brockenhurst | 2013 |
| DLW Company Formation Services 0018 Limited | Belper | 2013 |
| DLW Company Formation Services 0019 Limited | Sunbury-On-Thames | 2013 |
| DLW Company Formation Services 0021 Limited | Andover | 2013 |
| DLW Company Formation Services 0025 Limited | Leicester | 2013 |
| DLW Company Formation Services 0032 Limited | Belper | 2013 |
| DLW Company Formation Services 0036 Limited | Belper | 2013 |