| Dalian Dahong Art. Co., Ltd | Beckenham | 2020 |
| Dalian Shusheng Import & Export Co., Ltd | Beckenham | 2015 |
| Dalian Xiangshifei International Trade Co., Ltd | Beckenham | 2025 |
| Dalian Xuanhao International Trading Co., Ltd | Beckenham | 2022 |
| Dalian Yizhou Shipping Processing Ltd | Cardiff | 2020 |
| Dalian Zhongjia International Trading Co., Ltd | Beckenham | 2023 |
| Dalica Packaging Co., Ltd | Beckenham | 2015 |
| Dalkiranlar Enerji Limited | London | 2015 |
| Dallant UK Ltd | Gerrards Cross | 1990 |
| Dallas DHU Distillery Limited | Livingston | 2019 |
| Dalman & Narborough Limited | Birmingham | 2015 |
| Dalmark Grain Limited | Peterborough | 1976 |
| Dalmatica Limited | Glasgow | 2018 |
| Dalosa UK Ltd | Team Valley Trading Estate | 2014 |
| Dalroad Distribution Limited | Sawbridgeworth | 2006 |
| Dalta Investments Ltd | Leatherhead | 2018 |
| Daltace Ltd | Glasgow | 2015 |
| Dalto Trading NO.1 Limited | Belfast | 2018 |
| Dalto Trading NO.2 Limited | Belfast | 2018 |
| Dalto Trading NO.3 Limited | Belfast | 2018 |
| Dalto Trading NO.4 Limited | Belfast | 2018 |
| Dalto Trading NO.5 Limited | Belfast | 2018 |
| Dalton Accounting Software Ltd | Kingswinford | 2014 |
| Dalton Cosmetics UK Ltd | London | 2021 |
| Dalton FM Limited | Harrogate | 2015 |
| Dalton, Barton & Co Ltd | Haworth | 2018 |
| Daltrade Chemicals Limited | Burton Upon Trent | 2011 |
| Daly and Company Limited | Sutton Coldfield | 1890 |
| Daly Brightness Limited | Sale | 2023 |
| Daly Caravans Limited | Bridlington | 2009 |
| Daly Communications Limited | Loughborough | 2000 |
| Daly Detox Limited | Liverpool | 2024 |
| Daly Leisure Parks Limited | Bridlington | 2022 |
| Dalycom Limited | Loughborough | 2009 |
| Dalycorp Enterprises Limited | Ilford | 2024 |
| Dalyell Road Management Company Limited | London | 2013 |
| Dalyndo International Limited | Amersham | 1987 |
| Dalziel Holdings Limited | Brierley Hill | 2008 |
| Dalziel IFA Limited | Brierley Hill | 2024 |
| Dalziel Independent Financial Advisors Limited | Brierley Hill | 2024 |
| DAM Invisible Technology Ltd. | Brighton & Hove | 2015 |
| DAM Polymers Limited | Huddersfield | 2011 |
| DAM Safety Ltd | Great Missenden | 2021 |
| DAM Taxis Ltd | Leigh-On-Sea | 2023 |
| Damada Limited | Hamilton | 2006 |
| Damandus Limited | Enniskillen | 2013 |
| Damar Consulting (NI) Ltd | Lisburn | 2002 |
| Damas Crafts Ltd | Poole | 2020 |
| Damascena Eatery Ltd | Birmingham | 2015 |
| Damasceno Limited | London | 2016 |
| Damene Andrew Hepworth Ltd | Prudhoe | 2025 |
| Damian Daltray Madge Ltd | London | 2025 |
| Damingxing Arts & Crafts Co., Ltd | Beckenham | 2024 |
| Damn Good Studios Limited | London | 2025 |
| Damn Good Talent Limited | London | 2025 |
| Damn Good Voices Limited | London | 2025 |
| Damnation Breweries Limited | Bedford | 2015 |
| Damnation Party Limited | Ely | 2015 |
| Damofa Limited | Bournemouth | 2021 |
| Damon Properties Ltd | Swadlincote | 2021 |
| Damona Trade Limited | London | 2022 |
| Damsam Productions Limited | Hove | 2015 |
| Damsel in Shining Armour Ltd | Towcester | 2020 |
| Damville Ltd | Lancashire | 2007 |
| Damzim Ltd | Glasgow | 2015 |
| DAN & Adam Ltd | Nottingham | 2009 |
| DAN & David Ltd | Liverpool | 2019 |
| DAN & ISA Holdings Limited | Romford | 2019 |
| DAN Automotive Solutions Limited | London | 2022 |
| DAN DAN Car Ltd | London | 2020 |
| DAN David Fullick | London | 2024 |
| DAN Entertainment Group Ltd | London | 2019 |
| DAN Productions Limited | London | 2019 |
| DAN Studios Ltd | Croydon | 2019 |
| DAN Syson Limited | Macclesfield | 2025 |
| DAN Trice Limited | Deal | 2000 |
| Dan-Cri Mechanical Services Ltd | Barnet | 2018 |
| Dana Cleaning Services Limited | Slough | 2014 |
| Danbrit Logistics Limited | Goole | 2003 |
| Dance Addicts Yorkshire Limited | London | 2025 |
| Dance College London Limited | London | 2015 |
| Dance Easy Ltd | Poole | 2024 |
| Dance Industries Ltd | Belfast | 2022 |
| Dance Property Ltd | Bishop'S Stortford | 2020 |
| Dance Show Live Limited | Cardiff | 2012 |
| Danceacise Limited | Manchester | 2025 |
| Dancel XL Ltd | London | 2025 |
| Dancematic Ltd | Upminster | 2016 |
| Dancer Capital Ltd | Ditcham | 2014 |
| Dancer Properties Limited | London | 2010 |
| Dancers Delights Limited | Newbury | 2010 |
| Dancesquare Limited | | 1993 |
| Dancewear International Limited | Alfreton | 2020 |
| Dancing Blue Whale Ltd | London | 2020 |
| Dancing Moonbeams Ltd | London | 2024 |
| Dancing Wave Ltd | Manchester | 2024 |
| Dandara Limited | Altrincham | 2003 |
| Dandelion Centre Ltd | London | 2021 |
| Dandelion Corporate Services Limited | Seaford | 2019 |
| Dandelion Funerals Limited | Horsham | 2014 |