| Aziz Khan WB Ltd | Hospitality | 2025 |
| Aziz Venture Capital Ltd | Financial services | 2025 |
| Azmat Lodge Care Home Ltd | Health & social care | 2024 |
| Azmbsi Ltd | Wholesale & retail | 2024 |
| AZO UK Ltd. | Information & communication | 2005 |
| Azora Signalling Limited | Construction | 2021 |
| Azoth Ltd | Agriculture & fishing | 1996 |
| Aztec (UK) Internet Solutions Ltd | Information & communication | 1998 |
| Azura Lite Ltd | Manufacturing | 2023 |
| Azure Capital Properties Ltd | Financial services | 2026 |
| Azure Home & Electrics Ltd | Construction | 2015 |
| Azure Skies Limited | Professional & scientific | 2020 |
| Azurepremium Ltd | Information & communication | 2021 |
| Azzura Holdings Limited | Manufacturing | 2016 |
| Azzy Properties Ltd | Households | 2022 |
| B & a Textiles Ltd | Manufacturing | 2004 |
| B & B Construction Limited | Construction | 1973 |
| B & B Engineering (Nottingham) Limited | Construction | 2002 |
| B & B Knitwear Limited | Manufacturing | 1973 |
| B & B Properties (Nottingham) Limited | Real estate | 2019 |
| B & B Realty Ltd | Real estate | 2025 |
| B & C Concrete Flooring Limited | Construction | 2014 |
| B & G Scaffolding Ltd | Construction | 2018 |
| B & H Home Improvements Ltd | Wholesale & retail | 2023 |
| B & J Carpets (Heanor) Limited | Construction | 2003 |
| B & J Parr Foods Ltd | Manufacturing | 2010 |
| B & K Property Management Ltd. | Real estate | 2020 |
| B & M Installations Limited | Construction | 1999 |
| B & N Utilities Solutions Ltd | Construction | 2018 |
| B & P Electrical Installations Ltd | Construction | 2011 |
| B & S Roofing & Building Limited | Construction | 2022 |
| B & T Contractors Limited | Construction | 2016 |
| B & U Properties Limited | Construction | 2025 |
| B & Z Driving School Ltd | Education | 2024 |
| B a C Chamberlain Limited | Administrative & support | 2000 |
| B a Kelf Bodyworks Limited | Wholesale & retail | 2003 |
| B and H Plastics Limited | Manufacturing | 1987 |
| B and P Paving Ltd | Construction | 2016 |
| B B Joinery Services Limited | Construction | 2003 |
| B B Music Tuition Limited | Extraterritorial | 1996 |
| B Bakes Ltd | Wholesale & retail | 2026 |
| B Beauty Therapy Limited | Other services | 2012 |
| B Beedan Fabrication & Maintenance Ltd | Construction | 2019 |
| B Best Oak Ltd | Administrative & support | 2023 |
| B Bluewave Ltd | Other services | 2026 |
| B Cook Limited | Professional & scientific | 2020 |
| B D Architectural Limited | Professional & scientific | 2016 |
| B D Customs Limited | Manufacturing | 2018 |
| B Digital Limited | Professional & scientific | 2013 |
| B E Furniture Limited | Administrative & support | 2010 |
| B Hive Homes Ltd | Real estate | 2024 |
| B J Collins - Protected Species Surveyors Ltd | Professional & scientific | 2012 |
| B Kirk Electrical Ltd | Construction | 2003 |
| B M D Distribution Limited | Transport & logistics | 2019 |
| B Moore Secure Ltd | Professional & scientific | 2025 |
| B Movement LAB Ltd | Arts & recreation | 2024 |
| B Movement LAB Stapleford Ltd | Wholesale & retail | 2026 |
| B N B Group Ltd | Construction | 2022 |
| B R Baxendale Ltd. | Health & social care | 2012 |
| B R Webster Construction Limited | Construction | 2000 |
| B S BAL Properties Limited | Real estate | 2018 |
| B Squared Digital Media Ltd | Professional & scientific | 2020 |
| B Stallard Ltd | Wholesale & retail | 2024 |
| B Sweet Nottingham Limited | Hospitality | 2018 |
| B T Harrison Consulting Limited | Professional & scientific | 2017 |
| B&B Reports Ltd | Professional & scientific | 2017 |
| B&C Couriers Limited | Other services | 2022 |
| B&C Hospitality Limited | Hospitality | 2026 |
| B&C Real Estate Ltd | Real estate | 2023 |
| B&Cbridge Technology Limited | Information & communication | 2010 |
| B&G Distributions Ltd | Wholesale & retail | 2020 |
| B&G Duct Cleaning Services Ltd | Administrative & support | 2025 |
| B&H Eagle Properties Ltd | Real estate | 2026 |
| B&J Excellent Properties Ltd | Households | 2012 |
| B&K Demolition Ltd | Construction | 2017 |
| B&L Property and Investments Limited | Real estate | 2024 |
| B&M Engineering and Consulting Ltd | Professional & scientific | 2019 |
| B&R Renovations Limited | Construction | 2021 |
| B&W Construction Ltd | Construction | 2021 |
| B&W Pure Water Cleaning Ltd | Other services | 2018 |
| B'Rimz Ltd | Wholesale & retail | 2025 |
| B-Global Network | Administrative & support | 2021 |
| B-In-Line Limited | Construction | 1987 |
| B-Leaf Healthcare Ltd | Information & communication | 2025 |
| B-Side Limited | Information & communication | 2022 |
| B-Sure Security Services Limited | Other services | 2014 |
| B. Marriott Design Ltd | Arts & recreation | 2025 |
| B. R. G. Concrete Structures Ltd | Construction | 2014 |
| B. V. Food Ltd | Hospitality | 2022 |
| B.A.W.L. Associates Ltd | Other services | 2024 |
| B.D.Saigon Ltd | Hospitality | 2025 |
| B.Fletcher Holdings Ltd | Financial services | 2023 |
| B.Hague & Company Limited | Manufacturing | 1918 |
| B.Hunt.Coaching Ltd | Other services | 2023 |
| B.I Motors Ltd | Wholesale & retail | 2020 |
| B.I.R. Developments Ltd | Construction | 2022 |
| B.J. Control Panels Limited | Manufacturing | 1982 |
| B.M.S. Mechanical Services Limited | Construction | 1979 |
| B.O.L & Sons Ltd | Hospitality | 2026 |
| B.R. Rackstraw Limited | Professional & scientific | 2007 |