| Azymut M&S Ltd | Wishaw | 2025 |
| Azzenir Ltd | Leicester | 2015 |
| Azzura Holdings Limited | Nottingham | 2016 |
| Azzurro Blue Ltd | Exeter | 2025 |
| Azzurro Group Limited | Watford | 2023 |
| A’Lusso Ltd | London | 2024 |
| B & a Computers Limited | Blandford Forum | 1992 |
| B & a Hydraulics Limited | Dundee | 1996 |
| B & a Quilting (UK) Limited | Manchester | 2011 |
| B & a Textiles Ltd | Nottingham | 2004 |
| B & a Upholstery (Leeds) Limited | Leeds | 2003 |
| B & a Works Limited | Barnsley | 2021 |
| B & B Attachments (Holdings) Limited | Carlisle | 2006 |
| B & B Business Equipment Limited | Sidcup | 1985 |
| B & B Enamellers Ltd | Village, Royton | 2004 |
| B & B Fabrications (Leicestershire) Ltd | Uttoxeter | 1996 |
| B & B Industrial Doors (UK) Limited | Cardiff | 2010 |
| B & B Innovations Limited | Stroud | 2001 |
| B & B Knitwear Limited | Nottingham | 1973 |
| B & B Precision Engineering (Huddersfield) Limited | Huddersfield | 1998 |
| B & B Shutters & Maintenance Limited | Cannock | 2006 |
| B & C (Fire Protection) Services Limited | Stoke On Trent | 2008 |
| B & C Augers Ltd | Bishop'S Stortford | 2013 |
| B & C Carpentry Limited | Plymouth | 1996 |
| B & C Engineering (Leicester) Limited | Lutterworth | 1986 |
| B & C General Trading Ltd | London | 2017 |
| B & C Reconditioning (Gears) Limited | Southampton | 2003 |
| B & C Ventilation Ltd | Greenford | 2025 |
| B & D Engineering Limited | Margate | 2005 |
| B & D Foam Limited | Glasgow | 2009 |
| B & D Morris Engineering Limited | Manchester | 1984 |
| B & D Products (Halifax) Limited | West Yorkshire | 1945 |
| B & D Quality Fabrications Limited | Killamarsh | 1993 |
| B & E Automotive Precision Ltd | Sittingbourne | 2025 |
| B & E Carpentry Limited | Stourbridge | 2018 |
| B & E Engineering Ltd | Stoke-On-Trent | 2006 |
| B & F Carter & Co Limited | Preston | 1992 |
| B & F Electrical Ltd | Boston | 2018 |
| B & G Cleaning Systems Limited | Atherstone | 1990 |
| B & G Fire and Security Ltd | Bournemouth | 1975 |
| B & G Grinding & Fluting Services Limited | Cradley Heath | 2001 |
| B & G Machining Ltd | Chepstow | 2013 |
| B & H (Derby) Limited | | 1930 |
| B & H Creative Studio Ltd | Oxford | 2026 |
| B & H Joinery Limited | Bury St. Edmunds | 2026 |
| B & H Mouldings Limited | Manchester | 1994 |
| B & H Services Air Conditioning Limited | Poole | 2003 |
| B & H Technical Services (N.I.) Ltd | Craigavon | 2000 |
| B & J Blacksmiths Limited | Ashby-De-La-Zouch | 2007 |
| B & J Engineering (Stoke-On-Trent) Limited | Newcastle | 2019 |
| B & J Engineering Leicester Limited | Loughborough | 2015 |
| B & J Parr Foods Ltd | Nottingham | 2010 |
| B & J Radiators Ltd | Manchester | 2004 |
| B & K Steenson Coatings Ltd | Dromore | 2016 |
| B & K Timber Products Limited | Longport | 2003 |
| B & L (Holdings) Limited | London | 1952 |
| B & L Engineering Ltd | Boston | 2016 |
| B & L Filleting Services Limited | Market Rasen | 2011 |
| B & L Products Limited | Ipswich | 1974 |
| B & M Bijoux Limited | London | 1999 |
| B & M Blinds Cumbria Ltd | Dalton-In-Furness | 2014 |
| B & M Blinds Limited | Cockermouth | 2000 |
| B & M Engineers Limited | Bridgwater | 2007 |
| B & M Print Limited | Chelmsford | 2016 |
| B & M Sausages Ltd | Glasgow | 2012 |
| B & M Sheet Metal (Leeds) Limited | Leeds | 2000 |
| B & M Windows & Doors Ltd. | Salisbury | 1999 |
| B & M Wines Ltd | Horsham | 2019 |
| B & N Hambidge Ltd | Weston-Super-Mare | 2020 |
| B & N Hydraulics Limited | Kenilworth | 1987 |
| B & N Minerals Ltd | Wembley | 2025 |
| B & P Building Services (Yorkshire) Ltd | Norwood Green Halifax | 2005 |
| B & R (2005) Limited | Cannock, | 1931 |
| B & R Bespoke Ltd | Monmouth | 2022 |
| B & R Fabrications Limited | Warrington | 1998 |
| B & R Industrial Automation Limited | Peterborough | 1988 |
| B & R Moll International Ltd | Wickford | 2010 |
| B & R Petfoods Limited | Dungannon | 2021 |
| B & S Curtains Limited | Milton Keynes | 2006 |
| B & S Davies Printing Company Limited | Colchester | 1997 |
| B & S Group Limited | Chester | 1991 |
| B & S Jewellery Ltd. | Glasgow | 2011 |
| B & S Labels Ltd | Belfast | 2016 |
| B & S Services (ENG) Limited | Birmingham | 2008 |
| B & S Steelworks Ltd | Walsall | 2013 |
| B & T Associates Limited | Louth | 1986 |
| B & T Brewery Limited | London | 1993 |
| B & T Easyfill (UK) Ltd | London | 2022 |
| B & T Products Ltd | London | 2019 |
| B & W Group Ltd | West Sussex | 1966 |
| B & W Lift Services Limited | Sittingbourne | 2003 |
| B & W Lifting Ltd | Billingham | 2011 |
| B & Y Engineering Limited | Somerton | 2003 |
| B + K Augustin Limited | Chatteris | 2004 |
| B a C (Wellingborough) Holdings Limited | Northampton | 2020 |
| B a Electrical Contractors Northern Limited | Wallsend | 2013 |
| B a Rigger Services Limited | Leven | 2022 |
| B a Rigging Ltd | Tillicoultry | 2018 |
| B a Rogers Carpentry & Building Ltd | Peterborough | 2024 |
| B a Shopfittings Limited | Milton Keynes | 2002 |