| Blue Funnel Logistics Ltd | Harrow | 2020 |
| Blue Garrison Limited | Frodsham | 2026 |
| Blue Gate Couriers Ltd | Middlesbrough | 2026 |
| Blue GEM Cars Limited | London | 2016 |
| Blue Ghost Group Ltd | Darlington | 2020 |
| Blue Giraffe Services Ltd | Ryde | 2019 |
| Blue Gringo Ltd | Rushden | 2025 |
| Blue Group Collective Limited | Great Dunmow | 2013 |
| Blue H2O Ltd | Thornton Health | 2018 |
| Blue HAT Logistics Ltd | Knebworth | 2024 |
| Blue Haulers Inc. Ltd | Uxbridge | 2023 |
| Blue Haven Transport Limited | Harlow | 2021 |
| Blue Head Bird Ltd | Birmingham | 2018 |
| Blue Hole Ltd | Wisbech | 2021 |
| Blue Horizon Coaches Ltd | Ilford | 2026 |
| Blue Horizon Logistics Ltd | Waltham Cross | 2025 |
| Blue Horizon Transport Limited | Bradford | 2025 |
| Blue Horse Couriers Ltd | Romford | 2024 |
| Blue Horse Haulage Limited | Wolverhampton | 2018 |
| Blue Horse Removals Limited | Slough | 2025 |
| Blue Horse Services Ltd | Leicester | 2026 |
| Blue Horse Transport Limited | Slough | 2021 |
| Blue Lake Management Limited | London | 2024 |
| Blue Lane Solutions Ltd | Bradford | 2026 |
| Blue Leaf Properties Limited | Milton Keynes | 2019 |
| Blue Light Aviation Limited | Gloucester | 2023 |
| Blue Light Logistics Ltd | Falkirk | 2026 |
| Blue Line (Hereford) Limited | Hereford | 1995 |
| Blue Line (North East) Ltd | Newcastle Upon Tyne | 2013 |
| Blue Line Call Centre Services Ltd | Newcastle Upon Tyne | 2020 |
| Blue Line Containers Ltd. | Manchester | 2018 |
| Blue Line Express Haulage Ltd | Harrow | 2026 |
| Blue Line Haulage Ltd | Tipton | 2026 |
| Blue Line Logistics Northern Ltd | Lancaster | 2019 |
| Blue Line National Transport Ltd | Bournemouth | 2023 |
| Blue Line Processing Ltd | Wallsend | 2019 |
| Blue Line Trans Ltd | Leicester | 2016 |
| Blue Line Transport Ltd | Rochester | 2016 |
| Blue Line Transport Services Ltd | London | 2026 |
| Blue Link Services Limited | London | 2021 |
| Blue Lion Courier Services Ltd | Bristol | 2025 |
| Blue Lion Haulage Limited | Iver | 2019 |
| Blue Lion Luxury Rides Ltd | Hayes | 2025 |
| Blue Lion Studios Ltd | Uxbridge | 2024 |
| Blue Lion Transport Ltd | Maidstone | 2019 |
| Blue Logistic Support Ltd | Doncaster | 2020 |
| Blue Logistics Limited | Sittingbourne | 2022 |
| Blue LUX Ltd | London | 2024 |
| Blue M Ltd | London | 2023 |
| Blue Magic Logistics Ltd | Peterborough | 2022 |
| Blue Magic Transport Ltd | Peterborough | 2019 |
| Blue Mare Express Line Limited | London | 2010 |
| Blue Marine Consultants Ltd | Ruislip | 2017 |
| Blue Market Limited | Reading | 2018 |
| Blue Marlin Trucking Limited | Bromsgrove | 2020 |
| Blue Martini Ltd | Worcester | 2020 |
| Blue Metal Shipping Ltd | Prenton | 2018 |
| Blue Mile Services Ltd | Hayes | 2026 |
| Blue Monarch Couriers Limited | Tillicoultry | 2019 |
| Blue Monkey SE Ltd | Margate | 2017 |
| Blue Moon Cars Ltd | Northampton | 2024 |
| Blue Moon Europa Co Limited | Ilford | 2025 |
| Blue Moon Leisure Limited | | 2006 |
| Blue Moon Logistics Ltd | Liverpool | 2024 |
| Blue Nile Logistics Ltd | Salford | 2026 |
| Blue Oak Enterprises Limited | Stourbridge | 2010 |
| Blue Oak Removals Ltd | London | 2025 |
| Blue Ocean Aquatics Limited | Sheffield | 2009 |
| Blue Ocean Cargo Ltd | Hayes | 2025 |
| Blue Ocean Haulage Ltd | Hayes | 2024 |
| Blue Ocean Offshore Ltd | Scotland | 2026 |
| Blue Ocean Sailing Limited | Chipping Campden | 2002 |
| Blue Ocean Security Ltd | Rickmansworth | 2013 |
| Blue Ocean Terminals Limited | London | 2021 |
| Blue Orca Warehousing Limited | Belevedere | 2017 |
| Blue Overall Ltd | Hampton | 2022 |
| Blue Partners Logistics & Consultancy Ltd | London | 2021 |
| Blue Partners Logistics UK Limited | Ipswich | 2024 |
| Blue Peninsula Marine Limited | Plymouth | 2006 |
| Blue Phoenix Deepwater (U.K.) Ltd | London | 2018 |
| Blue Phoenix Haulage Ltd | Willenhall | 2020 |
| Blue Phoenix Topaz Ltd | Evesham | 2016 |
| Blue Pine Caravan Storage Ltd | Derby | 2025 |
| Blue Plate Cabs Ltd | Wallsend | 2019 |
| Blue Point Communications Ltd | London | 2017 |
| Blue Racing Ltd | Southampton | 2021 |
| Blue Ribbon Group Ltd. | Cardiff | 2018 |
| Blue Ribbon Network Ltd | Rossendale | 2009 |
| Blue Ridge Transport Ltd | West Malling | 2025 |
| Blue Rose Transport Ltd | Halesowen | 2025 |
| Blue Route Express Ltd | Worcester | 2025 |
| Blue ROW Storage Ltd | Bargoed | 2025 |
| Blue Saddle UK Limited | London | 2012 |
| Blue Saffron Trading Limited | Southall | 2005 |
| Blue Sail Storage Ltd | Yarmouth | 2012 |
| Blue Sapphire Transport Ltd | Hayes | 2025 |
| Blue School Travel Ltd | Reading | 2023 |
| Blue Sea Marine Limited | London | 1997 |
| Blue Sea Shipping Line Ltd | Croydon | 2020 |
| Blue Sea Star Shipping & Investment Limited | Guildford | 2010 |