| Devon Accounting Limited | Dawlish | 2022 |
| Devon Airsports Limited | Umberleigh | 1983 |
| Devon and Cornwall Logistics Limited | Altrincham | 2024 |
| Devon Bell Tent Hire Ltd | Bristol | 2024 |
| Devon Brewing Company Ltd | Torquay | 2020 |
| Devon Concrete Pumping Limited | Hereford | 2021 |
| Devon Contractors (Holdings) Limited | Clyst St Mary | 2021 |
| Devon Hideaways Limited | Newmarket | 2021 |
| Devon Investments (SSP) Limited | Crewkerne | 1998 |
| Devon Kitchens Limited | Ivybridge | 2016 |
| Devon Lets Ltd | Exeter | 2023 |
| Devon Microgreens Ltd | Newton Abbot | 2023 |
| Devon Nominees (NO.1) Limited | London | 2004 |
| Devon Nominees (NO.2) Limited | London | 2004 |
| Devon Nominees (NO.3) Limited | London | 2004 |
| Devon Payroll Solutions Limited | Devon | 2023 |
| Devon Pens Ltd | Ivybridge | 2017 |
| Devon Reclamation Limited | Tiverton | 2018 |
| Devon Recovery Service Limited | Exeter | 2008 |
| Devon Tax Solutions Limited | Devon | 2023 |
| Devon Transport Training Limited | Bideford | 1974 |
| Devon Tyres & Auto Services Limited | Exminster | 2026 |
| Devonshire 1963 Limited | Retford | 2013 |
| Devonshire Cottage Holidays Limited | Altrincham | 2009 |
| Devonshire Court (KEW) Limited | Angmering | 2000 |
| Devonshire Facilities Limited | Harrogate | 2025 |
| Devonshire Lane Bidco Ltd | Leeds | 2023 |
| Devonshire Lane Propco Limited | Leeds | 2023 |
| Devonshire Nominees NO. 5 Limited | Bakewell | 2023 |
| Devonshire Nominees NO. 6 Limited | Bakewell | 2023 |
| Devonshire Nominees NO.1 Limited | Bakewell | 2019 |
| Devonshire Nominees NO.2 Limited | Bakewell | 2019 |
| Devonshire Nominees NO.3 Limited | Bakewell | 2020 |
| Devonshire Nominees NO.4 Limited | Bakewell | 2022 |
| Devonshire Wealth Management Limited | Petworth | 2008 |
| Devonshire Windows Limited | Paignton | 2015 |
| Devora Reisel Limited | Manchester | 2019 |
| Devos Maintenance Ltd | Milton Keynes | 2017 |
| Devron Systems Ltd | London | 2013 |
| Devsight Ltd | Walsall | 2014 |
| DEW Piling Limited | Warrington | 2006 |
| DEW YOU Ltd | Leeds | 2024 |
| Dewar Partnership Ltd | Borehamwood, Elstree | 2022 |
| Dewgift Limited | London | 1997 |
| Dewhirst Properties Limited | Driffield | 1990 |
| Dewhurst Holdings Limited | Camberley | 2008 |
| Dewhurst Hounslow Property Limited | Feltham | 2009 |
| Dewhurst Lettings Limited | Camberley | 2008 |
| Dewhurst Road 1959 Limited | Huddersfield | 2014 |
| Dewhurst UK Limited | Feltham | 2021 |
| Dewi Reynolds & Sons Ltd | Sutton Coldfield | 2012 |
| DEX Carpentry Ltd | Cambridge | 2024 |
| Dexan Limited | Bury | 2021 |
| Dexied Property Ltd | Shipston-On-Stour | 2021 |
| Dexin Import & Export Co., Ltd | Beckenham | 2020 |
| Dexion (Midlands) Limited | Nuneaton | 2003 |
| Dexion East Midlands Limited | Spilsby | 2003 |
| Dexite Company Limited | London | 1954 |
| Dexla Limited | London | 2009 |
| Dexter Ashgaurd Limited | Harrogate | 2026 |
| Dexter Black Agency Ltd | Eltham | 2009 |
| Dexters Estate Agents Limited | Teddington | 2015 |
| Dexters Group Ltd | Teddington | 2015 |
| Dextrus Pixels Ltd | Kilmarnock | 2022 |
| Dexurion for Services Ltd | Manchester | 2026 |
| Deya Treuhand Ltd | Manchester | 2023 |
| Deyton Bell Business Services Limited | Cambridge | 2005 |
| Deyton Bell Consultancy Services Limited | Cambridge | 2005 |
| Deyton Bell Employee Services Limited | Cambridge | 2005 |
| Deyton Bell Financial Services Limited | Cambridge | 2005 |
| Deyton Bell Ventures Limited | Cambridge | 2005 |
| Dezavoir Limited | London | 2025 |
| Dezhou Kuhi Import &Export Co., Ltd | Beckenham | 2023 |
| Dezhou Longya Rubber and Plastics Co., Ltd | Gillingham | 2018 |
| Dezhou Weichuang Industry Ltd | Beckenham | 2019 |
| Dezir Marine Limited | London | 2023 |
| DF Ltd | Saffron Walden | 2008 |
| DF PAC Technology Ltd | Beckenham | 2025 |
| DF Plastics Group Ltd | London | 2016 |
| DFB 2023 Limited | Dronfield | 2011 |
| DFB Renewables Ltd | North Shields | 2024 |
| DFC EOT Limited | Leeds | 2024 |
| DFC Technologies Limited | Rossendale | 2011 |
| Dfds Logistics Grimsby Holdings Limited | Immingham | 2005 |
| Dfds TOR Line Limited | Immingham | 1994 |
| DFK International Consulting Group Limited | Lisburn | 2001 |
| DFN Events Limited | London | 2017 |
| DFO Solutions Limited | Rugby | 2025 |
| DFP Investments Ltd | Coventry | 2023 |
| Dfpf Employees' Trustees Ltd | Belfast | 2024 |
| DFR Perspective Limited | Rochdale | 2023 |
| Dftc Partners Limited | Dorking | 2024 |
| DFZ Projects Ltd | Manchester | 2022 |
| DG Distribution Limited | | 1984 |
| DG Ecogen Limited | | 1983 |
| DG Fleet Support Ltd | Oldham | 2024 |
| DG Holdings Ltd | Bristol | 2006 |
| DG Intellectual Limited | Leeds | 2010 |
| DG Investment Management Limited | Lancing | 2018 |
| DG Licensing Limited | | 1983 |