| Blue Boar Leicester Ltd | Loughborough | 2021 |
| Blue Bottle Leisure Ltd | Southampton | 2008 |
| Blue Bramble Tea House Ltd | Whitley Bay | 2017 |
| Blue Breeze Chippy Ltd | Wigston | 2025 |
| Blue Brew London Ltd | London | 2025 |
| Blue Brothers Limited | London | 2017 |
| Blue Bubbles F&C Limited | Chesham | 2022 |
| Blue Buddha Events Ltd | Port Talbot | 2025 |
| Blue Burger Restaurants Ltd | Belfast | 2021 |
| Blue Burton Limited | Norwich | 2019 |
| Blue Cafe Coffee Ltd | Bath | 2022 |
| Blue Cafe Limited | London | 2015 |
| Blue Cafe London Limited | London | 2020 |
| Blue Canyon Pubs Limited | Birmingham | 2026 |
| Blue CAP Portslade Ltd | Bicester | 2019 |
| Blue CAP ST Leonards Ltd | Bicester | 2019 |
| Blue Castle Investments Ltd | Dronfield | 2024 |
| Blue Castle Meadows Ltd | Attleborough | 2022 |
| Blue Cat in London Ltd | Stevenage | 2021 |
| Blue Catering London Limited | Barking | 2021 |
| Blue Catering Services Limited | Luton | 2019 |
| Blue Cedar Coffee Ltd | Ballynahinch | 2020 |
| Blue Certificate Ltd | Manchester | 2019 |
| Blue Chariot Limited | London | 2017 |
| Blue Cherry Leisure Limited | Preston | 2004 |
| Blue Chicago Burgers Ltd | Belfast | 2014 |
| Blue Chicago Grill Ltd | Belfast | 2017 |
| Blue Chilli Events Ltd | London | 2016 |
| Blue Chilli T/A Indian.Com Ltd | Chester | 2022 |
| Blue Chilli Thai 2012 Ltd | Mansfield | 2012 |
| Blue Chip Trading Limited | London | 1998 |
| Blue Chipper Ltd | Aberdeen | 2024 |
| Blue Chippy Ltd | Leicester | 2013 |
| Blue Circle Fish Bar Limited | Nottingham | 2006 |
| Blue Cloud Ltd | London | 2024 |
| Blue Cloud Shisha Ltd | Lincoln | 2025 |
| Blue Cobra Cuisine Ltd | Lee-On-The-Solent | 2025 |
| Blue Cobra Portsmouth Ltd | Portsmouth | 2019 |
| Blue Cobra Spice Ltd | London | 2020 |
| Blue Cocktail Group Limited | Manchester | 2023 |
| Blue Code Limited | Croydon | 2016 |
| Blue Collar Bournemouth Limited | Oxford | 2025 |
| Blue Collar Catering Company Ltd | Towcester | 2024 |
| Blue Collar Street Food Limited | Oxford | 2016 |
| Blue Collar Ventures Ltd | Oxford | 2021 |
| Blue Consulting (Cardiff) Limited | Cardiff | 2010 |
| Blue Consultoria EM Intercambios Ltd | Manchester | 2022 |
| Blue Core Limited | Aberdeen | 2022 |
| Blue Corkscrew Ltd | Shipley | 2023 |
| Blue Corner Cafe Ltd | Rushden | 2024 |
| Blue Cornwall Limited | Truro | 2002 |
| Blue Crown Pizzeria Ltd | Manchester | 2025 |
| Blue Crush Limited | Leeds | 2007 |
| Blue Cube Bars Limited | London | 2011 |
| Blue Cuckoo Farm Ltd | Ilkley | 2025 |
| Blue Desserts Manchester Ltd | Manchester | 2022 |
| Blue Developments Edinburgh Limited | Edinburgh | 2019 |
| Blue Dial Caravans Limited | Maryport | 2002 |
| Blue Diamond (C.P.) Limited | Co. Down | 1995 |
| Blue Diamond Restaurant Rochdale Ltd | Rochdale | 2014 |
| Blue Diamond Swansea Limited | Neath | 2021 |
| Blue Dine Ltd | Woking | 2025 |
| Blue Dish Delivery Ltd | London | 2020 |
| Blue Dish Mexi Ltd | London | 2020 |
| Blue Dixie Ltd | Wareham | 2024 |
| Blue Dog PUB Company Ltd | Leicester | 2025 |
| Blue DOK Ltd | Liverpool | 2022 |
| Blue Dolphin Escapes Ltd | Ibstock | 2022 |
| Blue Dolphin Fish Bar Ltd | Henley-On-Thames | 2024 |
| Blue Dolphin Pizza Ltd | Mansfield | 2026 |
| Blue Dolphin Woodhouse Ltd | Mansfield | 2026 |
| Blue Door Hospitality Ltd | London | 2021 |
| Blue Door Shetland Ltd | Shetland | 2018 |
| Blue Dotty Apron Ltd | Birmingham | 1990 |
| Blue Dragon Foods Limited | Billingshurst | 2022 |
| Blue Dragon Limited | Exmouth | 2019 |
| Blue Dreams Holidays Ltd | London | 2023 |
| Blue Dubai Limited | Northolt | 2024 |
| Blue Duck London Ltd | London | 2024 |
| Blue Ducks Food Limited | London | 2022 |
| Blue Elachi Ltd | Manchester | 2021 |
| Blue Elephant (Llanelli) Ltd | Exeter | 2003 |
| Blue Elephant Future Steps CIC | Barnstaple | 2024 |
| Blue Elephant Indian Cuisine Limited | Telford | 2021 |
| Blue Elephant Indian Restaurant Limited | Telford | 2020 |
| Blue EMU Malmesbury Ltd | Swindon | 2023 |
| Blue EYE Management and Training Ltd | Durham | 2025 |
| Blue FIG (Bury) Ltd | Bury St. Edmunds | 2025 |
| Blue FIN Vision Ltd | London | 2022 |
| Blue Fish 28 Limited | Liverpool | 2025 |
| Blue Fish Bar Bristol Ltd | Bristol | 2018 |
| Blue Fish Battle Limited | Battle | 2023 |
| Blue Flame Stays Ltd | London | 2026 |
| Blue FLY (York) Limited | York | 2004 |
| Blue Fondue CIC | London | 2026 |
| Blue Food Box Limited | Droitwich | 2024 |
| Blue Food Ltd | Wigan | 2021 |
| Blue FOX PUB Company Ltd | Loughborough | 2023 |
| Blue GEM Catering Limited | Kingston Upon Thames | 2015 |
| Blue GEN Farms Limited | London | 2026 |