| Bourne Amenity Sports Limited | Cranbrook | 2012 |
| Bourne Contractors Ltd | Gloucester | 2014 |
| Bourne Gate Packaging Ltd | Poole | 2004 |
| Bourne Investment Properties Limited | London | 2012 |
| Bourne Lift Services Ltd | Kingswinford | 2026 |
| Bourne Tractors Limited | Norwich | 2022 |
| Bourne Vale (Management) Limited | Walsall | 2020 |
| Bournemouth Canine Association (Show Site) Limited | Bournemouth | 2011 |
| Bournemouth Estates Limited | Manchester | 2016 |
| Bournemouth Kayaks Limited | Bournemouth | 2014 |
| Bournemouth Solutions Limited | Salford | 2021 |
| Bournemouth Student Residences SPV 1 Limited | London | 2007 |
| Bourner Bullock Limited | London | 2021 |
| Bournlam Limited | Skegness | 2012 |
| Bourse DU VIN Limited | London | 1894 |
| Bourse Ltd | Bristol | 2008 |
| Bouthray Fisheries Limited | Ulverston | 1960 |
| Boutinique Exquisite Ltd | Manchester | 2021 |
| Boutique Bites Studio Ltd | Doncaster | 2023 |
| Boutique Care Homes Limited | Romford | 2017 |
| Boutonne Ltd | Maidstone | 2019 |
| Bouverie Frite Invest Ltd | Dover | 2025 |
| Boux AV. Limited | London | 2010 |
| Boux AVE. Limited | London | 2010 |
| Boux Limited | London | 2010 |
| Bouygues Construction Investments (UK) Limited | London | 2005 |
| Bouygues Development - Leadbitter Limited | London | 2013 |
| Bouygues Partnership for Education and Community (Tower Hamlets) Limited | London | 2008 |
| Bovard Ltd | London | 2014 |
| Bovery Limited | Newry | 2010 |
| Bovingdon Airfield Studios Limited | Chesham | 2021 |
| Bovingdon Self-Build Limited | Leeds | 2016 |
| BOW Riverside Limited | Woodford Green | 2018 |
| BOW Street Properties Limited | Manchester | 2014 |
| Bowater Architectural Limited | Burnley | 2010 |
| Bowd Consultants Ltd | Chipping Norton | 2006 |
| Bowden Farm Organics Ltd | Buckfastleigh | 2024 |
| Bowden Holland Holdings Ltd | London | 2016 |
| Bowden Investments Limited | Aberdeen | 2003 |
| Bowdon Developments North West Ltd | Warrington | 2023 |
| Bowen Publishing Ltd | Guildford | 2004 |
| Bower Close (ST. Leonards-On-Sea) Residents Association Limited | East Sussex | 1987 |
| Bower Green Warehousing Limited | West Yorkshire | 1966 |
| Bower House Management Limited | Southsea | 2008 |
| Bowers Group of Companies Limited | Heanor | 2016 |
| Bowers Precision Engineers Limited | Solihull | 2003 |
| Bowes Hill Limited | Chesham | 2022 |
| Bowes Investment Limited | London | 2015 |
| Bowes Photography Limited | London | 2015 |
| Bowithick Farms Limited | Bodmin | 2000 |
| Bowker Avenue 1970 Limited | Hyde | 2014 |
| Bowland Country Park Ltd | Blackpool | 2023 |
| Bowland Wildlife Park Ltd | Blackpool | 2024 |
| Bowler Contractors Limited | Crewe | 2011 |
| Bowlers Consultancy Ltd | Bedford | 2023 |
| Bowles and Wyer Contracts Limited | Pitstone | 2006 |
| Bowling Limited | Kingswinford | 2007 |
| Bowller Group Limited | Sheffield | 1985 |
| Bowlphish Limited | Dover | 2014 |
| Bowlplex European Leisure Limited | Hemel Hempstead | 2005 |
| Bowlplex Limited | Hemel Hempstead | 1976 |
| Bowlplex Properties Limited | Hemel Hempstead | 2005 |
| Bowman & Poole Ltd | London | 2014 |
| Bowman Cycles Ltd | Sheffield | 2022 |
| Bowman Financial Planning Limited | Chorley | 1993 |
| Bowman Power Systems (UK) Limited | Southampton | 2004 |
| Bowman Trustees (NO 1) Limited | Salisbury | 2015 |
| Bowman Trustees (NO 2) Limited | Salisbury | 2015 |
| Bowmed Limited | London | 2024 |
| Bowmer Engineering and Management Limited | Coalville | 2017 |
| Bowmill Limited | Poole | 2013 |
| Bowne & Shaw Limited | Birmingham | 1921 |
| Bowness Acquisitions Limited | Windermere | 2006 |
| Bowness Bay Boating Co. Limited | Bowness-On-Windermere | 2013 |
| Bowood One Ltd | Windsor | 2022 |
| Bowood Property Services Limited | Camberley | 2012 |
| Bowring 1967 Limited | Wells | 2014 |
| Bowsaw Bourbon Limited | Belfast | 2018 |
| Bowstir Limited | London | 1989 |
| Bowthorpe Limited | Crawley | 1999 |
| Bowtree Limited | Cross Hands | 2015 |
| Bowzell Limited | Canterbury | 1941 |
| Bowzell Plant Limited | Canterbury | 1954 |
| Box & Charnock Maintenance Ltd | Bedford | 2010 |
| Box 868 Limited | Evesham | 2015 |
| Box Blinds Limited | Telford | 2018 |
| Box BOY GOT Magic Ltd | London | 2023 |
| Box Clever (Horden) Limited | Peterlee | 2019 |
| Box Consolidators Limited | Maldon | 1978 |
| Box Film (Boudicca) Limited | London | 2002 |
| Box Film Limited | London | 2001 |
| Box Food Guru Ltd | Bedfordshire | 2023 |
| Box MGT Limited | Bletchingley | 2004 |
| Box Modular Pods Limited | Shrewsbury | 2021 |
| Box OUT Holdings Ltd | Brighton | 2019 |
| Box Plans Ltd | London | 2023 |
| Box Taunton Ltd | Taunton | 2020 |
| Box Telematics Limited | Birmingham | 2000 |
| Box Tree Music Limited | Rotherham | 1993 |
| Box TV (Dice) Limited | London | 2001 |