| Bari Studios Ltd | Professional & scientific | 2019 |
| Baric Pumps Limited | Extraterritorial | 2003 |
| Baricodi Digital Ltd | Wholesale & retail | 2025 |
| Barinda (Cheshire) Ltd | Hospitality | 2016 |
| Barinda Stockport Ltd | Hospitality | 2020 |
| Barings Limited | Professional & scientific | 2009 |
| Bark Butchers Limited | Manufacturing | 2025 |
| Bark Digital Ltd | Information & communication | 2013 |
| Bark Nation Ltd | Agriculture & fishing | 2025 |
| Bark Park Realty Limited | Real estate | 2023 |
| Bark Properties Ltd | Real estate | 2016 |
| Bark Street Project Limited | Real estate | 2015 |
| Bark Unleashed: Explore With Your PAW CIC | Agriculture & fishing | 2024 |
| Barkat Clearance Ltd | Wholesale & retail | 2025 |
| Barkat Estate Ltd | Real estate | 2021 |
| Barkat Interprises Ltd | Wholesale & retail | 2022 |
| Barker Williams Ltd | Administrative & support | 2021 |
| Barkers Haulage Ltd | Administrative & support | 2017 |
| Barkinger Ltd | Wholesale & retail | 2023 |
| Barkson Ltd | Wholesale & retail | 2023 |
| Barkway Mini Market Ltd | Wholesale & retail | 2026 |
| Barkworth Estates Ltd | Real estate | 2023 |
| Barlaston Property Investment Limited | Real estate | 2024 |
| Barley Food Industry Limited | Wholesale & retail | 2016 |
| Barleyfield Mews Management Company Limited | Households | 2014 |
| Barlow Construction Management & Consultancy Ltd | Professional & scientific | 2026 |
| Barlow Flooring Ltd | Construction | 2025 |
| Barlow Hall Manor Ltd | Arts & recreation | 1905 |
| Barlow Holding Group Limited | Real estate | 2024 |
| Barlow House (Phase 1) Management Company Limited | Households | 2003 |
| Barlow Irvin Financial Services Ltd | Financial services | 2018 |
| Barlow Irvin Properties Ltd | Real estate | 2022 |
| Barlow Moor Community Association Limited | Other services | 2010 |
| Barlow Moor Court (Residents' Association) Limited | Households | 1971 |
| Barlow Moor Property Ltd | Real estate | 2020 |
| Barlow Property Rentals Limited | Real estate | 2025 |
| Barlow RD Tyres Limited | Wholesale & retail | 2023 |
| Barlow Road Ltd | Real estate | 2020 |
| Barlow ST Holdings Limited | Financial services | 2025 |
| Barlow Street Auto Breakers Limited | Other services | 2013 |
| Barlow Street Autos Ltd | Other services | 2018 |
| Barlow Street Motors Ltd | Wholesale & retail | 2013 |
| Barlowmoor Ltd | Wholesale & retail | 2024 |
| Barlows Bread Ltd | Hospitality | 2019 |
| Barlows Childcare Properties Holdings Limited | Financial services | 2019 |
| Barlows Childcare Properties Limited | Real estate | 2004 |
| Barlwood Limited | Wholesale & retail | 2019 |
| Barmcake Limited | Information & communication | 2025 |
| Barmount Commercial Ltd | Administrative & support | 2019 |
| Barna Imports Limited | Extraterritorial | 2015 |
| Barna Properties Limited | Real estate | 2016 |
| Barna Transport Ltd | Transport & logistics | 2021 |
| Barnbury Property Ltd | Real estate | 2003 |
| Barndome Limited | Other services | 1983 |
| Barndoor Technology Ltd. | Information & communication | 2019 |
| Barnes & Barnes Construction Limited | Construction | 2007 |
| Barnes Collective Limited | Information & communication | 2010 |
| Barnes Scaffolding Ltd | Construction | 2024 |
| Barnes Technical Consultancy Limited | Information & communication | 2018 |
| Barnes UK Holdings Limited | Real estate | 2026 |
| Barnes Village SPV Limited | Real estate | 2024 |
| Barnes Wells Carpets Ltd | Wholesale & retail | 2025 |
| Barnett Wozyco Ltd | Wholesale & retail | 2025 |
| Barneys HQ Ltd | Hospitality | 2023 |
| Barnfield House Ltd | Administrative & support | 2006 |
| Barnfield House Management Company Limited | Households | 2005 |
| Barngild Limited | Wholesale & retail | 1982 |
| Barnhill Ltd | Real estate | 2025 |
| Barnhill Properties Ltd | Real estate | 2002 |
| Barnish Hall Property Ltd | Real estate | 2024 |
| Barnor Properties Ltd | Real estate | 2021 |
| Barnsley Assets (NO 2) Limited | Extraterritorial | 2016 |
| Barnsley Assets Limited | Extraterritorial | 2016 |
| Barnsley Community Build | Education | 2001 |
| Barnsley Holdings Limited | Real estate | 2023 |
| Barnsley Jewellers Ltd | Wholesale & retail | 2025 |
| Barnstring Ltd | Professional & scientific | 2009 |
| Barnward Consultancy Ltd | Professional & scientific | 2022 |
| Barnwing Limited | Real estate | 1989 |
| Barodd Ltd | Transport & logistics | 2026 |
| Baron & Cabot Ltd | Real estate | 2022 |
| Baron Inc. Sports and Entertainment MGT. Limited | Administrative & support | 2019 |
| Barons CRT Driveway Ltd | Households | 2025 |
| Barons Manor Park Classics Ltd | Wholesale & retail | 2025 |
| Barood Limited | Other services | 2025 |
| Baross Company Ltd | Construction | 2024 |
| Barow Aziz Ltd | Wholesale & retail | 2022 |
| Barq Al-Mawj Al-Mutaqaddimah for Investment Ltd | Wholesale & retail | 2025 |
| Barq Sohar Company Ltd | Wholesale & retail | 2025 |
| Barq Trading Ltd | Wholesale & retail | 2021 |
| Barr & Hughes Property Group Ltd | Real estate | 2024 |
| Barra Creche Limited | Education | 2024 |
| Barrack International Limited | Wholesale & retail | 2025 |
| Barracks Properties Limited | Hospitality | 2017 |
| Barraclough Properties Ltd | Real estate | 2021 |
| Barrago Engineering Limited | Construction | 2012 |
| Barras Change Management Limited | Professional & scientific | 2025 |
| Barrbarrbar Limited | Hospitality | 2025 |
| Barrel and Basket Ltd | Wholesale & retail | 2025 |
| Barrel Bashers UK Ltd | Hospitality | 2022 |