| Derwent 1967 Limited | York | 2013 |
| Derwent House Ltd | Scarborough | 2022 |
| Derwent Interim Supply Chain Ltd | Ashbourne | 2017 |
| Derwent Upholstery Limited | Melksham | 1981 |
| Deryck Tremble Limited | Bedford | 2022 |
| Deryk Hamilton Pooley Ltd | Camborne | 2024 |
| DES Mcnamara & Partners Limited | Wirral | 2018 |
| DES Voeux Consultancy Ltd | South Croydon | 2023 |
| Desapro (UK) Limited | Oxfordshire | 2021 |
| Desawise Ltd | London | 2024 |
| Descent Water Enterprises Limited | Birmingham | 2008 |
| Desde London Limited | London | 2015 |
| Deseret Accountants Limited | Thorpe Waterville | 2004 |
| Desert Hearts Limited | Morecambe | 2019 |
| Desert Lion Limited | Bath | 2012 |
| Desert Ridge Limited | Croydon | 2005 |
| Desert Rose Maison Ltd | Salford | 2024 |
| Desi Taste Limited | Smethwick | 2013 |
| Desiccant Dryair Systems Limited | Morecambe | 2006 |
| Desiderata Services Limited | Cambridgeshire | 2005 |
| Desighn Limited | Wells | 2009 |
| Design & Engineering Services Limited | Staines-Upon-Thames | 1985 |
| Design 2F Limited | Bicester | 2013 |
| Design 66 Ltd | Bournemouth | 2022 |
| Design 75 Limited | London | 2018 |
| Design Advocacy Limited | London | 2024 |
| Design and Trade Limited | Wigan | 2021 |
| Design Architecture London Ltd | Leicester | 2014 |
| Design ARK Limited | Biggar | 2014 |
| Design Authority Limited | Caerdydd | 2021 |
| Design Automator Limited | London | 2017 |
| Design Bean Ltd | Northolt | 2019 |
| Design Burst Limited | Southampton | 2010 |
| Design by Jagz Limited | London | 2023 |
| Design Bygg OG Malertjenester Limited | London | 2022 |
| Design Creators Ltd | Aldershot | 2006 |
| Design Days Ltd | Coventry | 2023 |
| Design Energy Trading Co., Ltd | London | 2024 |
| Design EYE Holdings Limited | London | 1992 |
| Design EYE Limited | London | 1988 |
| Design EYE Publishing Limited | London | 1992 |
| Design Floors (Sheffield) Limited | Sheffield | 2019 |
| Design Forum (UK) Limited | London | 2014 |
| Design Fusion Limited | Oxford | 2001 |
| Design ID EOT Limited | Hillsborough | 2026 |
| Design in Detail Limited | Wakefield | 2025 |
| Design Interiors (Hove) Limited | Hove | 2009 |
| Design Izmir Ltd | London | 2023 |
| Design Manage Construct Limited | Downham Market | 2011 |
| Design Mats Limited | Bedford | 1984 |
| Design My Date Ltd | Romford | 2021 |
| Design My Kitchen Limited | Berkhamsted | 2024 |
| Design Punks Limited | Buckingham | 2013 |
| Design Realised Limited | Sevenoaks | 2009 |
| Design Renovation and Rentals Ltd | Moseley | 2014 |
| Design Review West Ltd | Exeter | 2019 |
| Design Spas Limited | Bagshot | 2005 |
| Design Studios (South) Limited | Worthing | 2018 |
| Design Trading Limited | London | 2016 |
| Design W 11 Limited | Eastcote | 2016 |
| Design-Surgery London Limited | Barnet | 2015 |
| Design-Surgery Mannequins Limited | Barnet | 2016 |
| DESIGN4YOUSWEDEN Invest Limited | London | 2025 |
| DESIGN4YOUSWEDEN Limited | London | 2025 |
| Designated Agent 01 Limited | London, Southgate | 2006 |
| Designated Agent Ltd | London | 2019 |
| Designbase Limited | London | 2015 |
| Designed 4 Access Limited | Leicestershire | 2006 |
| Designed by Alice Ltd | Winchester | 2022 |
| Designed by Josh Ltd | Dartford | 2019 |
| Designed by Nature Ltd | Darlington | 2024 |
| Designed for Living Store Ltd | Lewisham | 2021 |
| Designed in Wood Ltd | Northampton | 2024 |
| Designer Fashionista Ltd | London | 2017 |
| Designer Golf Limited | Northampton | 1998 |
| Designer International Limited | Harrogate | 2025 |
| Designer Projects Limited | Halifax | 2024 |
| Designer Sofas Direct Limited | Bridgend | 2008 |
| Designers Guild Trustees Limited | | 1991 |
| Designharmony UK Ltd | London | 2026 |
| DESIGNM8 Ltd | Wedmore | 2023 |
| Designrstudio Limited | Plymouth | 2013 |
| Designs in Aluminium Group Limited | Peacehaven | 2014 |
| Designs Inspired Limited | Aylesbury | 2009 |
| Designs Like These Ltd | Hungerford | 2012 |
| Designscope Ltd | Liverpool | 2008 |
| Designstyle Limited | Ross On Wye | 2004 |
| Desilt Limited | Halstead | 2015 |
| Desirabullz Group Ltd | Sutton | 2021 |
| Desire Branding Limited | Clitheroe | 2021 |
| Desire Constructions Ltd | Edinburgh | 2016 |
| Desire Estate Limited | Dartford | 2013 |
| Desiree Electric Company Ltd | Beckenham | 2015 |
| Desite Group Ltd | Beckenham | 2020 |
| Desjoyaux (UK) Ltd | Petersfield | 2014 |
| Desjoyaux Ltd | Petersfield | 2014 |
| Desjoyaux Pools (UK) Ltd | Petersfield | 2014 |
| Desjoyaux Pools Ltd | Petersfield | 2014 |
| Desk in a Box Ltd | London | 2018 |
| Deskadvice | London | 2014 |