| Bright Blue Foods Limited | Blackburn | 2012 |
| Bright Bricks Ltd | Epsom | 2010 |
| Bright BRO Intl Ltd | Nottingham | 2025 |
| Bright Build (Sussex) Ltd | Hove | 2026 |
| Bright Coffee Roastery Ltd | Solihull | 2023 |
| Bright Crafts Development Ltd | London | 2025 |
| Bright Dawn Ltd | London | 2025 |
| Bright Door Studios Ltd | Wishaw | 2026 |
| Bright Double Glazing Ltd | Ilford | 2023 |
| Bright Electrical & Testing Ltd | Bo'Ness | 2020 |
| Bright Electrical Engineering Ltd | Leicester | 2024 |
| Bright Engineering (Precision Products) Ltd | Nelson | 2016 |
| Bright EYE Games Limited | Wakefield | 2021 |
| Bright Fabrication Ltd | Hounslow | 2022 |
| Bright GAS (London) Ltd | London | 2022 |
| Bright Glazing Ltd | West Drayton | 2025 |
| Bright Glazing Systems Ltd | London | 2020 |
| Bright Gray Creative Limited | Sheffield | 2019 |
| Bright Green Space Limited | Leicester | 2020 |
| Bright Green Technology Limited | Tugby | 2002 |
| Bright Home Charge Ltd | Bolton | 2025 |
| Bright Idea Group Limited | Stoke-On-Trent | 2019 |
| Bright Idea Marketing & Signage Ltd | Watford | 2020 |
| Bright Ideas (GB) Ltd | Ongar | 1988 |
| Bright Instrument Co. Limited | Colindale | 1937 |
| Bright Interiors Ltd | Solihull | 2022 |
| Bright Joinery Ltd | Bude | 2021 |
| Bright LAB Electronics Ltd | Brighton | 2019 |
| Bright London Ltd | London | 2020 |
| Bright Morning Star Global Ltd | London | 2024 |
| Bright N Clean Yacht Maintenance Ltd | Brighton | 2021 |
| Bright O&H Electric Ltd | London | 2025 |
| Bright Oak Brewery Ltd | Cradley Heath | 2024 |
| Bright Onion Pedals Limited | Brighton | 2018 |
| Bright Power Supply Limited | Barry | 2012 |
| Bright Presence Ltd | Cardiff | 2022 |
| Bright Roots Family Limited | London | 2026 |
| Bright Screw Company Limited(The) | Rodley | 1941 |
| Bright Shades Manufacturer Limited | London | 2003 |
| Bright Spark Electrical Installations Ltd | Stratford-Upon-Avon | 2016 |
| Bright Spark Games Ltd | Epsom | 2026 |
| Bright Spark Lighting Ltd | Runcorn | 2022 |
| Bright Sparks Sports Lighting Ltd | Macclesfield | 2018 |
| Bright Spirits Limited | Perth | 2018 |
| Bright Steel Fabrication Ltd | Loughton | 2025 |
| Bright Steels Limited | North Yorkshire | 1919 |
| Bright Structures Limited | Dudley | 2016 |
| Bright Trace Electronics Ltd | Winchester | 2025 |
| Bright Transport Solutions Ltd | Swanley | 2023 |
| Bright UP Ltd | London | 2020 |
| Bright Vans Limited | Poole | 2024 |
| Bright Vision Service Limited | London | 2020 |
| Bright Weave Limited | Leicester | 2019 |
| Bright Windows and Doors Limited | Wolverhampton | 2019 |
| Bright Windows Limited | London | 2018 |
| Bright-Beams Laser Technology Ltd | Leicester | 2022 |
| Brighta GAS & Heating Services Ltd | Dagenham | 2016 |
| Brightarc Welding Limited | Maidstone | 2006 |
| Brightbabies Limited | Northampton | 2023 |
| Brightbeer Limited | Bournemouth | 2012 |
| Brightbrook Ltd | Amersham | 2009 |
| Brightbuild Solutions Ltd | Gravesend | 2019 |
| Brightcraft Solutions Ltd | Stoke-On-Trent | 2025 |
| Brightdaily Limited | Poulton-Le-Fylde | 1991 |
| Brightday Enterprises Limited | Wallingford | 2002 |
| Brightdesk Limited | Greater Manchester | 2005 |
| Brightdesk Upholstery Ltd | Manchester | 2023 |
| Brighten Your Walls Limited | | 2005 |
| Brighter Devices Ltd | London | 2024 |
| Brighter Foods Limited | Altrincham | 2013 |
| Brighter Green Engineering Limited | High Wycombe | 2015 |
| Brighter Lighting UK Limited | Stratford-Upon-Avon | 2020 |
| Brighter Limited | Buckinghamshire | 2006 |
| Brighter Manufacturing Limited | Princes Risborough | 1999 |
| Brightera Engineering Limited | London | 1994 |
| Brighterlife Health Ltd | London | 2016 |
| Brighterlight LED Limited | Cardiff | 2008 |
| Brightgear Ltd | Looe | 2018 |
| Brightgreen Plastics Limited | Castleford | 2010 |
| Brightgrow Ltd | London | 2012 |
| Brightlight Solutions Limited | Birmingham | 2002 |
| Brightline Electrical Ltd | Uxbridge | 2025 |
| Brightling Beauty Limited | Rye | 2009 |
| Brightman Industries Limited | Dartford | 2001 |
| Brightman Joinery Limited | Bedford | 2024 |
| Brightmesh Ltd. | Derby | 2017 |
| Brighton & Hove Plastics Limited | Brighton | 2010 |
| Brighton and Hove Carpentry Ltd | Brighton | 2025 |
| Brighton BED Centre Limited | East Sussex | 2002 |
| Brighton Bedding Centre Limited(The) | Sussex | 1986 |
| Brighton Bi-Folds Limited | Norwich | 2014 |
| Brighton Bier Limited | Brighton | 2012 |
| Brighton Bike Hub Community Interest Company | Hove | 2023 |
| Brighton Brew Co Ltd | Bury St. Edmunds | 2024 |
| Brighton Cakes Ltd | Brighton | 2014 |
| Brighton E-Bikes Ltd | Brighton | 2015 |
| Brighton Electric Pumps Ltd | London | 2020 |
| Brighton Electrical Assemblies Limited | Eastbourne | 1962 |
| Brighton Hot Stuff Ltd | Brighton | 2014 |
| Brighton Lifts Limited | Brighton | 2021 |