| Balkris Holdings UK Ltd | Hospitality | 2023 |
| Balos Performance Ltd | Other services | 2023 |
| Balquhidder Consultants Limited | Financial services | 2017 |
| Baltakis Consulting Ltd | Professional & scientific | 2019 |
| Balti Night Tingley Ltd | Hospitality | 2024 |
| Balti WF3 Ltd | Hospitality | 2025 |
| BAM Bamamwe Loboto Ltd | Transport & logistics | 2024 |
| Bamboo Healthcare Limited | Wholesale & retail | 2024 |
| Bambru Ltd | Financial services | 2025 |
| Bamford GC Ltd | Construction | 2025 |
| Bami Krasniqi Properties Ltd | Real estate | 2026 |
| Banh MI 8 Ltd | Wholesale & retail | 2016 |
| Banham(Uk) Ltd | Construction | 2015 |
| Bansi Industries Ltd | Hospitality | 2024 |
| Banwait Asset Management Limited | Real estate | 2021 |
| Banwait Capital Limited | Financial services | 2021 |
| Banwait Group Holdings Limited | Financial services | 2018 |
| Bapgp Ltd | Administrative & support | 2025 |
| Bar 88 Ltd | Hospitality | 2020 |
| Bar Hire Solutions Limited | Hospitality | 2015 |
| Bar Street Limited | Wholesale & retail | 2013 |
| Barakahx Ltd | Information & communication | 2025 |
| Baran Barbers Wakefield Ltd | Other services | 2025 |
| Barely a Plan Digital CIC | Information & communication | 2026 |
| Barely a Plan Ltd | Manufacturing | 2026 |
| Bargain Contract Hire Ltd | Other services | 2024 |
| Bargain Private Hire Ltd | Transport & logistics | 2025 |
| Bargain Waste Disposal Limited | Water & waste | 2020 |
| Barkleys at Thornes Limited | Other services | 2023 |
| Barkleys DDC Ltd | Other services | 2023 |
| Barkleystrainingacademy Ltd | Wholesale & retail | 2021 |
| Barkside Lodge Ltd | Agriculture & fishing | 2025 |
| Barleywood House Ltd | Real estate | 2016 |
| Barn Holdings Limited | Real estate | 2015 |
| Barnard Investments Limited | Real estate | 2003 |
| Barnes & Nobles International Ltd. | Financial services | 2018 |
| Barova Property Ltd | Financial services | 2022 |
| Barrabytes Ltd | Information & communication | 2024 |
| Barraclough Developments Limited | Construction | 1959 |
| Barras Consultants Limited | Professional & scientific | 2018 |
| Barrington Street Consulting Ltd | Professional & scientific | 2019 |
| Bartram Bros Developments Ltd | Construction | 2020 |
| Barts Auto UK Ltd | Wholesale & retail | 2013 |
| Basalt Limited Partnership | | 2008 |
| Base Fit Gym Ltd | Arts & recreation | 2025 |
| Baseline Rentals Ltd | Real estate | 2026 |
| Baseline Surveying Solutions Limited | Professional & scientific | 2018 |
| Basicallyboxing Ltd | Wholesale & retail | 2025 |
| Bassettowl Enterprises Ltd | Hospitality | 2023 |
| Batavi LP | | 2010 |
| Bathroom and Home Solutions Ltd | Construction | 2019 |
| Battered Hall Over Limited | Hospitality | 2025 |
| Battery Guardian Limited | Public administration | 2025 |
| Batti Event Services Ltd | Administrative & support | 2024 |
| Bauer Beverage Ingredients Limited | Wholesale & retail | 1995 |
| Baumax Baumaschinen Ltd. | Wholesale & retail | 2007 |
| Bavemund Limited | Professional & scientific | 2003 |
| BAXCO1109 Limited | Professional & scientific | 2009 |
| Baxley Group Ltd | Construction | 2025 |
| Baxters Heating Ltd | Construction | 2026 |
| Baxy Fish Bar Limited | Hospitality | 2022 |
| Bay Europe Limited | Wholesale & retail | 2001 |
| Bay Hall Mills Investments Limited | Real estate | 2019 |
| Bay. Haus- UND Gebaeudetechnik Limited | Construction | 2005 |
| Bayleaf Heaton Moor Ltd | Hospitality | 2019 |
| BB Freight Solutions Ltd | Transport & logistics | 2025 |
| Bb&Dg Property Limited | Households | 2022 |
| Bbcc - BAD BOY Chiller Crew Ltd | Information & communication | 2019 |
| Bbcc Lives and Entertainment Limited | Arts & recreation | 2021 |
| BBT Group Limited | Financial services | 1998 |
| BBT Legal Limited | Professional & scientific | 2016 |
| BBT Wealth Management Limited | Professional & scientific | 2021 |
| BC Profiles Wakefield Ltd | Wholesale & retail | 2024 |
| BC TEN Consulting Ltd | Professional & scientific | 2025 |
| BCH Investment Group Ltd | Real estate | 2024 |
| BCL Estimating Ltd | Professional & scientific | 2025 |
| BCP Building Construction Partnership Limited | Construction | 2023 |
| BCP Maintenance Limited | Construction | 2012 |
| BDH Property Ltd | Real estate | 2018 |
| Bdml Properties Ltd | Real estate | 2025 |
| BE Financially Alert Limited | Financial services | 2023 |
| BE Seen BE Found Ltd | Professional & scientific | 2017 |
| BE Well Online Ltd | Wholesale & retail | 2025 |
| BE Well Yorkshire Ltd | Wholesale & retail | 2024 |
| Beam Consulting Engineers Limited | Professional & scientific | 2010 |
| Beanno Limited | Real estate | 2009 |
| Beans (Tingley) Ltd | Hospitality | 2015 |
| Bear Asset Commercial Ltd | Real estate | 2021 |
| Bear Asset Limited | Real estate | 2015 |
| Bear Basics Canine Academy Ltd | Professional & scientific | 2026 |
| Bear Diesel Ltd | Professional & scientific | 2007 |
| Bear Leisure Limited | Real estate | 2015 |
| Bear Leisure Properties Limited | Real estate | 2017 |
| Beardsmore Properties Ltd | Wholesale & retail | 2019 |
| Beatrice Enterprise Ltd | Transport & logistics | 2025 |
| Beauford Engineers Limited | Professional & scientific | 2005 |
| Beaufort Land and Developments Ltd | Extraterritorial | 2015 |
| Beaumont Holdings (Wakefield) Limited | Real estate | 2020 |
| Beaumonts Partners Limited | Professional & scientific | 2019 |
| Beaumonts Partnership Limited | Professional & scientific | 2015 |