| Doni & Sons Transport Limited | Southall | 2025 |
| Doni Express Ltd | London | 2026 |
| Doni Parcel Ltd | Winchester | 2025 |
| Donica Trans Ltd | Dunstable | 2025 |
| Doniex Ltd | Sutton Coldfield | 2016 |
| Donington Aviation Limited | Castle Donington | 1971 |
| Donipal Limited | Doncaster | 2021 |
| Donjon Ltd | Spalding | 2016 |
| Donkay Solutions Limited | High Spen | 2014 |
| Donkijote Courier Ltd | Bristol | 2025 |
| Donkin International Limited | Bradford | 2019 |
| Donkins Transport Services Limited | Bradford | 2016 |
| Donmor Global Services Limited | Orpington | 2018 |
| Donnachie Slinger Services Ltd | Greenock | 2019 |
| Donnell & Ellis Heavy Haulage Limited | Omagh | 2010 |
| Donnelly Haulage Limited | Craigavon | 2010 |
| Donnie Couriers Limited | Bessacarr | 2019 |
| Donnie Delivers Ltd | Crieff | 2025 |
| Donnis Transport Ltd | Leeds | 2024 |
| Donny Cabs Limited | Doncaster | 2023 |
| Donny Haulage Ltd | Bradford | 2022 |
| Donny Trans Ltd | Doncaster | 2019 |
| Donny Transport Limited | Halifax | 2021 |
| Dono Plus Ltd | Norwich | 2023 |
| Donovan's Lifting Ltd | Middlesbrough | 2026 |
| Donrita Paradise Ltd | Smethwick | 2024 |
| Dons Transport Services Ltd | Pontefract | 2017 |
| Dont Deliver Late Ltd | Bedford | 2011 |
| Dony Transport Ltd | Leeds | 2023 |
| Donzon Ltd | Kington | 2026 |
| Doodle Logistics Limited | Glasgow | 2026 |
| Doom Trans Ltd | Middlesbrough | 2019 |
| Doomys Ltd | Lincoln | 2025 |
| Dooplay Limited | Glasgow | 2002 |
| Door 2 Door Cargo Ltd | Luton | 2019 |
| Door 2 Door Couriers Ltd | Dudley | 2023 |
| Door 2 Door HW Ltd | High Wycombe | 2018 |
| Door 2 Door Parcel Service Limited | Harlow | 2023 |
| Door 2 Door Private Hire Limited | Keighley | 2026 |
| Door Drop Advertising Limited | Norwich | 2020 |
| Door to Dawes Ltd | Port Talbot | 2025 |
| Door to Destination Ltd | Grimsby | 2026 |
| Door to Door Airport Transfers-Thetford Ltd | Thetford | 2026 |
| Door to Door Cargos Services Ltd | Ilford | 2024 |
| Door to Door Courier Services Ltd | Romford | 2018 |
| Door to Door Sameday Ltd | Wakefield | 2022 |
| Door to Door Transport Solutions Ltd | London | 2010 |
| Door to Door Travel Ltd | Luton | 2014 |
| DOOR-2-DOOR Cabs Ltd | Belfast | 2018 |
| DOOR2DOOR (SY) Ltd | Sheffield | 2024 |
| DOOR2DOOR Cargo Nigeria Ltd | London | 2010 |
| DOOR2DOOR Leafleting Ltd | Ipswich | 2019 |
| DOOR2DOOR Logistics Limited | London | 2026 |
| DOOR2DOOR Media Ltd | Ipswich | 2016 |
| DOOR2DOOR Promotion Ltd | Ipswich | 2024 |
| DOOR2DOOR Taxis Ltd. | Chorley | 2017 |
| DOOR2DOOR Transport Ltd | Stoke-On-Trent | 2023 |
| DOOR2DOORTAXI247 Limited | Brighton | 2025 |
| DOOR2PORT Couriers Ltd | Greenford | 2006 |
| DOOR2VAN Couriers Ltd | London | 2024 |
| Doora Express Services Limited | Harrow | 2025 |
| Dooredirectcourierservicespvt Limited | Wembley | 2025 |
| Doorstep Deliveries Ltd | Altrincham | 2025 |
| Doorstep Distribution London Ltd | Bedford | 2010 |
| Doorstep Pro Ltd | London | 2026 |
| Doorstep Removals Ltd | London | 2026 |
| Doorstep Transport Limited | Brentford | 2021 |
| Doortostore Ltd | Luton | 2018 |
| Dooy Ltd | Slough | 2018 |
| DOP Transport Ltd | Crewe | 2025 |
| Dope Moves Removals Ltd | London | 2025 |
| Dophovar Ltd | Manchester | 2019 |
| Dopica Ltd | West Midlands | 2020 |
| Dopigo Ltd | Eastbourne | 2021 |
| Doppelmayr Cable Car UK Limited | Luton | 2001 |
| Dopuu Ltd | London | 2024 |
| DOR & LOR International Courier Ltd | Hornchurch | 2025 |
| Dor&Dor Trans Ltd | Bristol | 2019 |
| Dor-Jan Trans Ltd | Peterborough | 2021 |
| Dora Mara Ltd | Wigan | 2016 |
| Dora Trans Ltd | Bedford | 2025 |
| Dorabel International Limited | Boroughbridge | 2026 |
| Doran Engineering Services Ltd | Emsworth | 2024 |
| Doran Trans Ltd | London | 2015 |
| Doran's Multi-Services Ltd | Lowestoft | 2025 |
| Dorarge CD Trans Ltd | Skelmersdale | 2019 |
| Dorbel Limited | Newcastle Upon Tyne | 2026 |
| Dorcas Extra Care Limited | Coventry | 2016 |
| Dorchester Shipping Containers Limited | Dorchester | 2014 |
| Dorchester Storage Limited | Dorchester | 2025 |
| Dorchester Taxis Limited | Dorchester | 2020 |
| Dorchester Workshop Ltd | Dorchester | 2025 |
| Dordar Ltd | Wisbech | 2016 |
| Dordecluj Syp&G Ltd | London | 2024 |
| Dore Community Transport | Hereford | 2002 |
| Dore to Door Specialist Handling Limited | Feltham | 2008 |
| Dorel Services Limited | Stanford-Le-Hope | 2014 |
| Dorel Transport Logistics Ltd | Ilford | 2026 |
| Dorel Transport Ltd | Nuneaton | 2018 |
| Dorel Ungureanu Limited | Spalding | 2014 |