| Bath Road Haus Limited | Construction | 2021 |
| Bathroom & Kitchen Planet Limited | Construction | 2015 |
| Bathroom Centre Stirling Ltd | Construction | 2016 |
| Bathroom Planet (Stirling) Ltd. | Wholesale & retail | 1998 |
| Baxton Services LP | | 2013 |
| Bay Port Properties Limited | Construction | 2016 |
| Baypark Limited | Real estate | 2002 |
| Bayside Global Services L.P. | | 2015 |
| BB Joinery Blairdrummond Ltd | Construction | 2018 |
| BB11 Properties Limited | Other services | 2024 |
| Bearland Innovations Ltd | Wholesale & retail | 2021 |
| Beauty Boss Academy Ltd | Other services | 2023 |
| Beauty Health Aesthetics Ltd | Health & social care | 2016 |
| BEE Herd Media Ltd. | Professional & scientific | 2008 |
| Belcanto Summer School Limited | Education | 2025 |
| Bell and Craig Limited | Professional & scientific | 2011 |
| Bell HR & Business Consulting Limited | Professional & scientific | 2009 |
| Bellissimo Holdings Ltd | Professional & scientific | 2022 |
| Bellmare Merchants LP | | 2017 |
| Benbrae Limited | Financial services | 2016 |
| Benchmark Hospitality Limited | Hospitality | 2021 |
| Bennett AVE Properties Limited | Real estate | 2025 |
| Benny Trading Cards Ltd | Wholesale & retail | 2025 |
| Bensen Ltd | Hospitality | 2024 |
| Bespoke Catering and Events Ltd | Hospitality | 2025 |
| Bespoke Resourcing Solutions Ltd | Administrative & support | 2016 |
| Best Incorporation LP | | 2016 |
| Best PUB Ever Ltd | Hospitality | 2022 |
| Best-Boat-Broker.Com | | 2009 |
| Bestever Traders Ltd | Wholesale & retail | 2022 |
| Biancoblush Limited | Wholesale & retail | 2022 |
| Big Bull Limited | Real estate | 2001 |
| Big Scoop Gutters Ltd | Administrative & support | 2024 |
| Bigger Picture Solutions Ltd | Professional & scientific | 2008 |
| Bike Trossachs Community Interest Company | Arts & recreation | 2013 |
| Bilnex Projects LP | | 2016 |
| Bio-Genie Limited | Professional & scientific | 2023 |
| Biodiver.City Ltd | Manufacturing | 2023 |
| Bioecoplant Ltd | Manufacturing | 2025 |
| Bird & Woodrow Investments Limited Liability Partnership | | 2019 |
| Biskit Controls Limited | Manufacturing | 2010 |
| Bitdepth Ltd | Information & communication | 2012 |
| BJC Tax Consultancy Limited | Professional & scientific | 2025 |
| BJN Electrical Limited | Construction | 2014 |
| BKK Limited | Hospitality | 2015 |
| Black and Forth Limited | Information & communication | 2024 |
| Black Lotus Barbers Ltd | Other services | 2019 |
| Black Pepper Alloa Limited | Hospitality | 2019 |
| Bladestone Limited | Information & communication | 2014 |
| Blair Drummond Caravan Park Limited | Hospitality | 2020 |
| Blair Drummond Estates Ltd | Real estate | 2025 |
| Blair Drummond Farms Limited | Real estate | 1977 |
| Blairdrummond Community Hall Association | Arts & recreation | 2004 |
| Blance Marine Services Limited | Transport & logistics | 2020 |
| Blank Canvas Wellbeing Limited | Education | 2025 |
| Blarnaboard Words Ltd | Professional & scientific | 2015 |
| Blaze Bites Stirling Ltd | Hospitality | 2025 |
| Bleep Group Limited | Information & communication | 2025 |
| Blink Bridge of Allan Ltd | Wholesale & retail | 2021 |
| Blooming Scotland Ltd | Administrative & support | 2022 |
| Blue Attach Limited | Manufacturing | 2017 |
| Blue Box Data Solutions Limited | Information & communication | 2013 |
| Blue Machinery (Scotland) Holdings Limited | Financial services | 2026 |
| Blue Machinery (Scotland) Limited | Manufacturing | 1997 |
| Blue Square Restaurants Ltd | Hospitality | 2022 |
| Bluebell Nails Ltd | Other services | 2026 |
| Blueberry Hill Meals Limited | Manufacturing | 2016 |
| Bluecrossleather Ltd | Wholesale & retail | 2020 |
| Bluenote Restaurant Ltd. | Hospitality | 1997 |
| Bluewater (Dunfermline 1) Limited | Real estate | 2016 |
| Bluewater (Glenrothes 1) Limited | Real estate | 2010 |
| Bluewater (Glenrothes 2) Limited | Real estate | 2010 |
| Bluewater (Grangemouth 1) Limited | Real estate | 2018 |
| Bluewater (Grangemouth 2) Limited | Real estate | 2018 |
| Bluewater (Stirling 1) Limited | Real estate | 2016 |
| Bluewater (Stirling 2) Limited | Real estate | 2022 |
| Bluewater (Stirling 3) Limited | Real estate | 1999 |
| Bluewater (Stirling 4) Limited | Real estate | 2010 |
| Bluewater Holdings LLP | | 2007 |
| Bmddcs Ltd | Other services | 2023 |
| Bobs Locks Limited | Manufacturing | 2013 |
| Bofa Celluloid Limited | Information & communication | 2022 |
| Bofa Plumbing & Heating Ltd. | Construction | 1997 |
| Bofa Productions Limited | Information & communication | 2013 |
| Bofa Stockholm Limited | Information & communication | 2014 |
| Bogado Group LP | | 2016 |
| Bolivar Trading LP | | 2016 |
| Bolland Prints Ltd | Professional & scientific | 2024 |
| Bonnie Care at Home Ltd | Health & social care | 2025 |
| Bonnie Clean Ltd | Administrative & support | 2025 |
| Book-Buds Limited | Information & communication | 2025 |
| Border Lets Ltd | Real estate | 2022 |
| Borealsuns Ltd | Wholesale & retail | 2024 |
| Borestone BAR(2024) Limited | Hospitality | 2024 |
| Borestone Enterprises Ltd | Administrative & support | 2015 |
| Borwell Estate LP | | 2016 |
| Botney LP | | 2010 |
| Boulevard Catering Services Limited | Hospitality | 2018 |
| Bounce OT Stirling CIC | Health & social care | 2017 |
| Bounceot Group Ltd | Health & social care | 2025 |