| Baltic Multitrade Services Ltd | Administrative & support | 2015 |
| Baltic Sisters Limited | Arts & recreation | 2025 |
| Baltica Alliance LP | | 2015 |
| Baltimore Experts L.P. | | 2012 |
| Baltio Group LP | | 2016 |
| Baltitrade Trading LP | | 2016 |
| Baltmax Industries L.P. | | 2013 |
| Baltoro Group LP | | 2017 |
| Baltplan Experts L.P. | | 2015 |
| Baltrenon Proprety Limited | Hospitality | 2026 |
| Baltrex Organization L.P. | | 2015 |
| Baltvox Worldwide LP | | 2016 |
| BAM Exports (PVT) Ltd | Wholesale & retail | 2025 |
| BAM Homes Ltd | Information & communication | 2019 |
| Bambino Services LP | | 2015 |
| Bamboo Holdings Limited | Financial services | 2005 |
| Bamboo Management LP | | 2017 |
| Bamboo Realty Limited | Real estate | 2025 |
| Bamboo South Limited | Hospitality | 2021 |
| Bamhurgers Limited | Hospitality | 2024 |
| Bamisco Ltd | Wholesale & retail | 2026 |
| Bamvogue Ltd | Wholesale & retail | 2024 |
| BAN Sabai Limited | Other services | 2011 |
| Banaa Ltd | Real estate | 2019 |
| Banana ROW Studios Ltd | Information & communication | 2023 |
| Banbury Consultancy LP | | 2014 |
| Banbury Management LP | | 2011 |
| Bancarnach Developments Ltd | Construction | 2011 |
| Banchory Financial Services Ltd | Financial services | 2016 |
| Bancroft 2 GP L.P. | | 2002 |
| Bancroft Founders L.P. | | 2002 |
| Bandera Systems LP | | 2014 |
| Banderastr Ltd Limited | Hospitality | 2021 |
| Bandits (Edinburgh) Ltd | Administrative & support | 2018 |
| Bandleader Publications Ltd | Information & communication | 2017 |
| Bandon Global LP | | 2014 |
| Bandstand Enterprises & Co | | 1994 |
| Bang Powders Ltd | Wholesale & retail | 2021 |
| Bangholm Limited | Real estate | 2025 |
| Bangkok Noodle Bar Ltd | Hospitality | 2019 |
| Banglera LP | | 2014 |
| Bangley Quarry Biogas Ltd | Professional & scientific | 2018 |
| Banir LP | | 2014 |
| Banitan Management LP | | 2016 |
| Bank of Ireland (Founder Partner) L.P. | | 2008 |
| Bank of Scotland (B G S) Nominees Limited | Extraterritorial | 1985 |
| Bank of Scotland Central Nominees Limited | Extraterritorial | 1920 |
| Bank of Scotland Edinburgh Nominees Limited | Extraterritorial | 1926 |
| Bank Street Dental Ltd | Health & social care | 2020 |
| Bank Street Takeaway Limited | Hospitality | 2017 |
| Banks Edinburgh Ltd. | Wholesale & retail | 2009 |
| Bankton Taxis Ltd. | Professional & scientific | 2004 |
| Bann Joinery Ltd | Construction | 2013 |
| Bannerchops Ltd | Administrative & support | 2021 |
| Bannerman Developments Limited | Real estate | 1982 |
| Bannerman Digital Ltd | Arts & recreation | 2014 |
| Bannerman Taxis Ltd. | Transport & logistics | 2000 |
| Banning Finance and Investment LP | | 2012 |
| Banov Commerce Ltd. | Wholesale & retail | 2017 |
| Banpong Ltd | Hospitality | 2015 |
| Banridge Trading LP | | 2013 |
| Banshee Bikes UK Ltd | Wholesale & retail | 2020 |
| Bantam Inter LP | | 2011 |
| Bantam Ltd | Hospitality | 2024 |
| Bantor Sales LP | | 2015 |
| Banwell Industries Limited | Arts & recreation | 2025 |
| Banyan Tree Homes Limited | Construction | 2023 |
| Banzamedia Limited | Information & communication | 2019 |
| Banzies Ltd | Real estate | 2021 |
| BAO Fedak Limited | Real estate | 2017 |
| Baobab Ubuntu Care Services Ltd | Health & social care | 2022 |
| Baoer Tech Ltd | Wholesale & retail | 2021 |
| Bapfb Investments Limited | Construction | 2021 |
| Bapp 25 Limited | Hospitality | 2025 |
| Baptiste Services Ltd. | Health & social care | 2009 |
| Bar & Resturant LA Campana Limited | Hospitality | 2018 |
| Bar Napoli Limited | Professional & scientific | 2016 |
| Bar Raiser Data Ltd | Information & communication | 2023 |
| Barabulles Ltd | Wholesale & retail | 2026 |
| Baraka Edinburgh Ltd | Hospitality | 2019 |
| Barakah Investment Scotland Limited | Real estate | 2026 |
| Barakat Traders Ltd | Wholesale & retail | 2023 |
| Baralo Ltd | Real estate | 2025 |
| Baraneo Consult Holding LP | | 2018 |
| Baraneo Consult LP | | 2016 |
| Baraya SP | | 2003 |
| Barb Games Ltd. | Administrative & support | 2018 |
| Barbara Bell Ltd | Manufacturing | 2025 |
| Barbarossa Barber Ltd | Other services | 2016 |
| Barber International Consulting Ltd | Professional & scientific | 2018 |
| BARBER4YOU Limited | Other services | 2026 |
| Barbinder Trust (Scotland) (the) | Professional & scientific | 1960 |
| Barbour Property Ltd | Real estate | 2020 |
| Barcapel Foundation Limited | Health & social care | 1961 |
| Barcelo International LP | | 2016 |
| Barcelona Impex LP | | 2011 |
| Barcelona Inter LP | | 2015 |
| Barclay Gilmour Partners Limited | Professional & scientific | 2013 |
| Barclay Harris Ltd | Professional & scientific | 2020 |
| Barclay United LP | | 2014 |