| B Independent Financial Services Limited | Telford | 2009 |
| B Insured Ltd | Alfreton | 2005 |
| B J Campbell (South West) Holdings Limited | Somerset | 2020 |
| B J Clarke Investments Ltd | Coventry | 2026 |
| B J Evans Accountancy Services Co Limited | Leicester | 2014 |
| B J Hurn Limited | King'S Lynn | 2025 |
| B J Mcnamee (Holdings) Limited | Wigan | 2014 |
| B K Management Consultants Ltd | Watford | 2016 |
| B Kelly Holdings Limited | Chesterfield | 2022 |
| B Knight Holdings Ltd | Clydebank | 2021 |
| B L Asset Management Limited | Kendal | 2014 |
| B L Notts Holdings Ltd | Derby | 2025 |
| B L Shipping (Holdings) Limited | Wilmslow | 2017 |
| B Lockwood Holdings Limited | Bristol | 2014 |
| B Lyall Limited | Luton | 2011 |
| B M Air Mechanical Limited | Worth | 2016 |
| B M Cooper Financial Services Limited | Dagenham | 2017 |
| B M Divis Group Limited | Eastbourne | 2023 |
| B M Howarth (Holdings) Limited | Halifax | 2019 |
| B M Howarth Group Limited | Halifax | 2023 |
| B M Mortgages Ltd | Watford | 2022 |
| B M Verdant Ltd | Newport Pagnell | 2026 |
| B Marshall Holdings Ltd | Darlington | 2021 |
| B Maslin Holdings Ltd | Thame | 2025 |
| B Maslin Lending Ltd | Thame | 2025 |
| B Mccolgan Holdings Limited | Londonderry | 2025 |
| B MCG Contracts Limited | Omagh | 2024 |
| B Mckernan & Co. Ltd | Dungannon | 2005 |
| B Mortgage Services Limited | Gloucester | 2020 |
| B Motor UK Ltd | London | 2022 |
| B Murray Accountants and Financial Planning Consultants Limited | Ely | 2015 |
| B Newbold Properties Dormant Limited | Shipley | 2014 |
| B Nicholas Properties Limited | London | 2011 |
| B P Bettison Limited | Brough | 2013 |
| B P Mayhew Financial Ltd | Luton | 2019 |
| B Price Services Ltd | Belfast | 2022 |
| B R Mullin Holdings Limited | Coventry | 2021 |
| B R P Consulting (2015) Limited | Bristol | 2015 |
| B R Stubbs Limited | Cardiff | 2013 |
| B RAJ Group Ltd | Willenhall | 2026 |
| B Reynolds Ltd | Daventry | 2025 |
| B S D Group Holdings Limited | Peterborough | 2025 |
| B S P Enterprises Holding Ltd | Bradford | 2023 |
| B Sheldon Refinery Ltd | Brierley Hill | 2026 |
| B Skinner Holdings Ltd | Steyning | 2011 |
| B Star Services Ltd | London | 2024 |
| B Street Hospitality Ltd | London | 2025 |
| B Tank Limited | London | 2010 |
| B Tomlinson Holdings Limited | Cottingham | 2023 |
| B Twenty Two Ltd | Bournemouth | 2024 |
| B Ungi Holdings Limited | Liverpool | 2025 |
| B V Holdings Group Limited | Chester | 2022 |
| B V Please Limited | Ross-On-Wye | 2014 |
| B W Cutters Limited | Maldon | 2005 |
| B W Financial Services Limited | Derbyshire | 1998 |
| B Watson Investments Limited | London | 2022 |
| B Wealth Services Limited | Potters Bar | 2014 |
| B White (Holdings) Ltd | Brighouse | 2025 |
| B Wyatt Holdings Ltd | Fordingbridge | 2020 |
| B Y G Investments Limited | Wellingborough | 2018 |
| B Young Consulting Ltd | Whitley Bay | 2021 |
| B&A Butcher Holding Co Ltd | Doncaster | 2025 |
| B&A Drummond Ltd | Ross-On-Wye | 2026 |
| B&A Invest Active Group UK Ltd | London | 2021 |
| B&A Investment Holdings Limited | Croydon | 2022 |
| B&A Transport Holdings Limited | Waterlooville | 2025 |
| B&B E-Commerce Ltd | London | 2023 |
| B&B Laundry Limited | Eastleigh | 2015 |
| B&B Management Limited | Newmarket | 2020 |
| B&B MGA Holdco (UK) Limited | London | 2013 |
| B&B Property Developers Ltd | Caerphilly | 2019 |
| B&C Investment Management Ltd | Altrincham | 2014 |
| B&Co Digital Economy Ltd | London | 2023 |
| B&Cr Holdings Ltd | Tamworth | 2024 |
| B&D Holding Services Ltd | Chorley | 2024 |
| B&E Capital Ltd | Cardiff | 2025 |
| B&E Consult Limited | London | 2017 |
| B&E Serviced Accommodation Holding Ltd | London | 2023 |
| B&Fnm Investments Ltd | North Shields | 2026 |
| B&G Contracts Holdings Limited | Glasgow | 2017 |
| B&H Limited | Waterlooville | 2001 |
| B&Hvr Holdings Ltd | Eastleigh | 2010 |
| B&K Capital Partners Limited | London | 2025 |
| B&K Holds Ltd | Morden | 2024 |
| B&L Group Holdings Limited | Spalding | 2021 |
| B&L Lock Holdings Limited | London | 2019 |
| B&M European Value Retail Holdco 4 Ltd | Liverpool | 2012 |
| B&N Financial Planning Limited | Hemel Hempstead | 2017 |
| B&O Holdings Limited | London | 2025 |
| B&O Legacy Ltd | Liverpool | 2026 |
| B&P Buyco Limited | London | 2016 |
| B&P Midco 1 Limited | London | 2016 |
| B&P Midco 2 Limited | London | 2016 |
| B&R Benton Property Limited | Oxted | 2022 |
| B&R Foster Holdings Ltd | Newton Abbot | 2022 |
| B&R Group Holdings Limited | Great Dunmow | 2026 |
| B&R Holdings Ltd | Cardiff | 2021 |
| B&R Murphy Investment Ltd | Brighton | 2025 |
| B&R Radstone Limited | London | 2017 |
| B&R White Properties Ltd | Hinckley | 2023 |