| Bluebird Relocation Ltd | London | 2024 |
| Bluebird Restaurant Limited | Burnham-On-Sea | 2016 |
| Bluebirds Holdings Limited | Paisley | 2017 |
| Blueboo UK Ltd | Solihull | 2014 |
| Bluebrew Ltd | London | 2025 |
| Bluebricklettings Limited | Cardiff | 2025 |
| Bluebusbakes Catering Ltd | Caldicot | 2025 |
| Bluecat Asset Ltd | London | 2016 |
| Bluechip Hotels Limited | Newquay | 1993 |
| Bluecoat Academy Trading Limited | Nottingham | 2013 |
| Bluecrest Holdings Limited | New Malden | 2016 |
| Bluecrest Trading Limited | Writtle | 2003 |
| Bluecrown Ltd | Eastleigh | 2023 |
| Blueden Limited | Westcliff-On-Sea | 2017 |
| Bluedorf Ltd | London | 2021 |
| Bluefacts Ltd | Coventry | 2005 |
| Bluefield Enterprise Limited | London | 2009 |
| Bluefin Hospitality and Leisure Ltd | London | 2024 |
| Bluefin Restaurants Limited | Coventry | 2013 |
| Bluefin ST Marys Ltd | Leeds | 2025 |
| Bluefinney & Balls Ltd | Bideford | 2021 |
| Bluefish Bar Limited | Bromley | 2024 |
| Bluefish Cafe and Restaurant Limited | Dorchester | 2010 |
| Bluefish Five Star Limited | Thornton Cleveleys | 2019 |
| Bluegardennight Ltd | London | 2023 |
| Bluegolgbird Ltd | Liverpool | 2020 |
| Bluegrass Restaurants Ltd | Bromley | 2013 |
| Blueground Furnished Apartments UK Ltd | London | 2019 |
| Bluehandle Properties Ltd | London | 2025 |
| Blueholme Limited | Glasgow | 2019 |
| Bluehouse Bar Liverpool Ltd | Liverpool | 2024 |
| Bluehouse Relocations UK Ltd | Brighton & Hove | 2021 |
| Blueink Productions Ltd | London | 2019 |
| Blueiron Beer Ltd | Droitwich | 2023 |
| Bluekore Ltd | London | 2018 |
| Bluelevant Ltd | London | 2025 |
| Bluelilac Ltd | London | 2024 |
| Blueline Fastfoods Ltd | Aberdeen | 2025 |
| Blueline NW Ltd | Liverpool | 2024 |
| Blueline PVT Ltd | Manchester | 2022 |
| Bluemoon Event Management Ltd | London | 2025 |
| Bluemoon Leisure Audenshaw Ltd | Manchester | 2022 |
| Bluemoon Spice Ltd | Greenford | 2025 |
| Bluemotion Group Ltd | Banbury | 2017 |
| Blueness Holdings Limited | Stockport | 2024 |
| Blueness Services Limited | Bury | 2025 |
| Bluenile Restaurant London Ltd | London | 2025 |
| Bluenote Restaurant Ltd. | Stirling | 1997 |
| Blueocean Fish & Chips Ltd | Worthing | 2018 |
| Bluepeak Hospitality Ltd | Glasgow | 2025 |
| Bluepeak Realty Ltd | Manchester | 2024 |
| BLUEPEAK168 Ltd | Bolton | 2026 |
| Bluepoint Capital Limited | London | 2023 |
| Blueprint Cafe Limited | | 1988 |
| Blueprint Falmouth Ltd | Penryn | 2024 |
| Blueraiin Healthcare Private Limited | Manchester | 2013 |
| Bluerapa Ltd | Edinburgh | 2013 |
| Bluerentals Ltd | Wembley | 2024 |
| Bluerice 11 Ltd | Wallsend | 2022 |
| Bluerise Limited | Harrow On The Hill | 2007 |
| Bluerise Retreats Ltd | London | 2017 |
| Bluerock Care Homes Ltd | Hertfordshire | 2025 |
| Bluerock Housing CIC | Barnet | 2026 |
| Bluerock Inc Ltd | Ilford | 2018 |
| Blues (Bracknell) Ltd | London | 2013 |
| Blues and Two's Catering Limited | Corby | 2017 |
| Blues at Barleylands CIC | Chelmsford | 2025 |
| Blues Bluebell Limited | Glasgow | 2023 |
| Blues Cafe Bar Limited | Swindon | 2002 |
| Blues Catering Ltd | York | 2023 |
| Blues Central Ltd | London | 2021 |
| Blues Group International Limited | Morden | 2015 |
| Blues Smokehouse Ltd | Bracknell | 2026 |
| Blues Soul Tavern Limited | Southampton | 2009 |
| Blues Under Limited | Woodford Green | 2025 |
| Bluesbros Events Limited | Portsmouth | 2018 |
| Bluesea 777 Ltd | Leeds | 2018 |
| Bluesea Bar Ltd | London | 2021 |
| Blueshine Limited | Essex | 2017 |
| Bluesky Caravan Park Ltd | Morpeth | 2023 |
| Bluesky Chinesetakeaway Ltd | Glasgow | 2025 |
| Bluesky Realty Ltd | London | 2024 |
| Bluesky the Weir Ltd | Hessle | 2023 |
| Bluesky UK25 Limited | London | 2025 |
| BLUESKY556 Ltd | Salford | 2025 |
| Bluesmart Ltd | Waltham Cross | 2012 |
| Bluespade Limited | Bridgnorth | 2019 |
| Bluespice Ltd | London | 2026 |
| Bluestar Catering Limited | Harkeston | 2022 |
| Bluestar Properties Limited | Middlesex | 1997 |
| Bluestarcafecorner Ltd | London | 2020 |
| Bluestone Bar Ltd | Chester | 2020 |
| Bluestone Cafe Ltd | Norwich | 2025 |
| Bluestone Hotels Ltd | Ipswich | 2024 |
| Bluestone Reliance Ltd | London | 2023 |
| Bluestone Resorts Limited | Narberth | 2009 |
| Bluetana Limited | Essex | 2022 |
| Bluetiffin SRE Ltd | Stoke-On-Trent | 2026 |
| Bluetiger Leeds Limited | Morley | 2021 |
| Bluewater Fish & Chips Ltd | London | 2019 |