| Bebe Recruitment Limited | Administrative & support | 2026 |
| Bebo Investments Ltd | Real estate | 2026 |
| Bebo TEC Ltd | Information & communication | 2020 |
| Beboc Limited | Information & communication | 2017 |
| Beboc Managed Services Ltd. | Transport & logistics | 2019 |
| Because I Love YOU (2) Ltd | Wholesale & retail | 2012 |
| Beckett.Cloud Ltd | Information & communication | 2026 |
| Becky & Josh DUO Ltd | Information & communication | 2025 |
| Becky Chamberlain Music Ltd | Information & communication | 2025 |
| Becontree Limited | Real estate | 2002 |
| Bedahm Limited | Professional & scientific | 2012 |
| Bedahm Properties Limited | Real estate | 2013 |
| Bedeque Medical Ltd | Professional & scientific | 2023 |
| Bedknobs & Daydreams Ltd | Real estate | 1994 |
| BEE & Woods Limited | Professional & scientific | 2026 |
| BEE Influence Agency Ltd | Professional & scientific | 2024 |
| BEE Professional Properties Ltd | Real estate | 2024 |
| BEE Recruitment Limited | Administrative & support | 2024 |
| BEE the Winner Ltd | Wholesale & retail | 2026 |
| Bee-Eco Clean Limited | Professional & scientific | 2021 |
| Beech Furniture Ltd | Wholesale & retail | 2018 |
| Beech Hall Farm Garden Centre Limited | Wholesale & retail | 2003 |
| Beech Hall School Ltd | Education | 2015 |
| Beech Hall Schools (UK) Limited | Education | 2017 |
| Beech's Fine Chocolates Limited | Manufacturing | 2002 |
| Beechesbolton Ltd | Health & social care | 2024 |
| Beechwood 360 Limited | Construction | 2011 |
| Beechwood Family Investment Limited | Administrative & support | 2026 |
| Beecrown Health Care Limited | Wholesale & retail | 2024 |
| Beecrown Logistics Limited | Transport & logistics | 2018 |
| Beecrown Transport Ltd | Transport & logistics | 2024 |
| Beehive Car Wash Ltd | Administrative & support | 2024 |
| Beehive Equity Limited | Financial services | 2021 |
| Beehive Financial Ltd | Financial services | 2018 |
| Beehive Investments Ltd | Real estate | 2025 |
| Beehive Traders Limited | Wholesale & retail | 2025 |
| Beeline Autolink Limited | Wholesale & retail | 2013 |
| Beeline Trade Limited | Wholesale & retail | 2024 |
| Beep-Beep. Logistics Ltd | Transport & logistics | 2025 |
| Beepay Ltd | Wholesale & retail | 2024 |
| Beerbird Limited | Hospitality | 2025 |
| Bees Blackburn Limited | Hospitality | 2022 |
| Bees Blackburn Town Ltd | Hospitality | 2025 |
| Beetham Property Limited | Real estate | 2025 |
| Befriending Refugees and Asylum Seekers | Health & social care | 2012 |
| Bego IT Ltd | Information & communication | 2016 |
| Begum Kulasi Ltd | Real estate | 2025 |
| Being and Becoming Counselling Ltd | Health & social care | 2025 |
| Being Beyond Better Coaching Limited | Administrative & support | 2023 |
| Being Bond Limited | Arts & recreation | 2025 |
| Being Dynamic Ltd | Information & communication | 2022 |
| BEL Air Group Limited | Financial services | 2020 |
| BEL Airconditioning Limited | Construction | 2003 |
| Belaircon Limited | Construction | 2019 |
| Beldam Crossley Limited | Manufacturing | 1914 |
| Belgrave Central Living Limited | Construction | 2016 |
| Belgrave Heights Ltd | Construction | 2020 |
| Believe Achieve CIC | Information & communication | 2020 |
| Belinda Knight Consultancy Limited | Professional & scientific | 2008 |
| Bell Air Limited | Construction | 2001 |
| Bella & Bonnie Ltd | Other services | 2026 |
| Bella Barlow Property Rentals Limited | Real estate | 2025 |
| Bella BEA Hair Studio Ltd | Other services | 2025 |
| Bella Mortar Lets Limited | Real estate | 2021 |
| Bellamile Limited | Real estate | 2016 |
| Belleamiebridal Ltd | Wholesale & retail | 2026 |
| Bellissimo Kitchens Ltd | Construction | 2023 |
| Bells and Whistles Ltd | Health & social care | 2026 |
| Belly Busters Three Ltd | Hospitality | 2023 |
| Belmont Bathrooms Limited | Wholesale & retail | 2006 |
| Belmont Builders Liverpool Ltd | Construction | 2021 |
| Belmont Bull LLP | | 2019 |
| Belmont Community Housing | Hospitality | 2018 |
| Belmont Corporate Services Limited | Professional & scientific | 2021 |
| Belmont Design & Build Ltd | Agriculture & fishing | 2010 |
| Belmont Holdings Limited | Real estate | 1939 |
| Belmont Partners Ltd | Wholesale & retail | 2018 |
| Belmont Renewable Energy Company Limited | Energy | 2015 |
| Belmont School Limited | Education | 1996 |
| Belmont Tyres Ltd | Wholesale & retail | 2025 |
| Belper Tools Limited | Manufacturing | 1959 |
| Belpro Limited | Construction | 2019 |
| Beltane Consultancy Limited | Professional & scientific | 2004 |
| Beltee Ltd | Administrative & support | 2022 |
| Belton Associates (Group Holdings) Limited | Health & social care | 2011 |
| Belton Associates Group Limited | Health & social care | 2012 |
| Belton Associates Holdings Limited | Health & social care | 2011 |
| Belvoir Contractors Limited | Construction | 2021 |
| Bemrcog Limited | Education | 2016 |
| BEN Booth Limited | Construction | 2015 |
| BEN Lewis Consultancy Limited | Information & communication | 2026 |
| BEN Sheppard Ltd | Professional & scientific | 2023 |
| Bench Projects Limited | Construction | 2015 |
| Benchmark Technologies Limited | Construction | 2023 |
| Bened Ltd | Financial services | 2022 |
| Benedicts Group Ltd | Health & social care | 2023 |
| Benham (Specialist Cars) Limited | Extraterritorial | 1984 |
| Benjamin Properties Limited | Real estate | 2016 |
| Bennetts Close Development Limited | Construction | 2014 |
| Benningford Limited | Extraterritorial | 1979 |