| Braeknowe Lets Ltd | Hospitality | 2026 |
| Braidpark Ltd. | Wholesale & retail | 2002 |
| Braids Brawest Limited | Financial services | 2003 |
| Braids View Holdings Limited | Administrative & support | 2009 |
| Bramblers Cycling Ltd | Wholesale & retail | 2019 |
| Breadalbane Bakery Ltd. | Hospitality | 2009 |
| Breadalbane Corporate Finance Ltd | Administrative & support | 2026 |
| Breadalbane Finance Ltd | Administrative & support | 2026 |
| Breadalbane Property Finance Ltd | Administrative & support | 2026 |
| Breaking Bread Catering Ltd | Hospitality | 2024 |
| Bremner Holdings Limited | Real estate | 2024 |
| Brian Mcnaughton & SON Ltd | Construction | 2006 |
| Bricav Ltd | Real estate | 2020 |
| Bricht Heids Ltd | Hospitality | 2021 |
| Bridge Hill Consulting Limited | Information & communication | 2005 |
| Bridge of Earn Property Company Limited | Real estate | 1976 |
| Bridgebrae Management Ltd | Professional & scientific | 2024 |
| Bridgeton Castle Ltd | Information & communication | 2021 |
| Brig Motors Ltd | Wholesale & retail | 2019 |
| Brig Properties Ltd | Real estate | 2020 |
| Bright Care at Home Limited | Health & social care | 2009 |
| Bright Spirits Limited | Manufacturing | 2018 |
| Bright Starts Nursery (Perth) Ltd | Education | 2018 |
| Bring Your Baby Ltd | Other services | 2021 |
| Briside Limited | Real estate | 1989 |
| Broadstone Property Scot Ltd | Construction | 2026 |
| Broden Ltd | Construction | 2022 |
| Brodie Developments Ltd | Construction | 2026 |
| Brookelee Limited | Real estate | 2017 |
| Brookes by Design Limited | Construction | 2015 |
| Broomhall Limited | Wholesale & retail | 1998 |
| Brothers Three Ltd | Hospitality | 2015 |
| Broucek Limited | Hospitality | 2017 |
| Brown & Blacks Perth Limited | Hospitality | 2013 |
| Brown Earth Landscapes Limited | Administrative & support | 2015 |
| Brownhill Whisky Company Limited | Manufacturing | 2022 |
| Broxden IT Support Limited | Financial services | 2024 |
| Broxden Limited | Information & communication | 1999 |
| Bruach Music Ltd | Arts & recreation | 2025 |
| Bruce Countryside Developments Ltd. | Agriculture & fishing | 1997 |
| Bruce Entertainment Ltd | Administrative & support | 2022 |
| Bryce Ainsley Associates Limited | Financial services | 2020 |
| Bryce Ainsley Holdings Limited | Professional & scientific | 2015 |
| Bryden Foods (Perth) Limited | Health & social care | 1978 |
| Bryden Properties Ltd | Real estate | 2022 |
| Bràigh Raithneach LLP | | 2023 |
| Bubble Edge Consultants Limited | Professional & scientific | 2018 |
| Buchan Business Services Limited | Professional & scientific | 2012 |
| Buchan Estate Ltd | Construction | 2013 |
| Buchanan Millar Ltd | Professional & scientific | 2023 |
| Budex Limited | Construction | 2025 |
| Building Better Athletes Ltd | Arts & recreation | 2021 |
| Building Solutions (Perth) Ltd. | Construction | 2007 |
| Built Better Clothing Ltd | Wholesale & retail | 2025 |
| Burghmuir Limited | Professional & scientific | 2009 |
| Burty's Timber Limited | Wholesale & retail | 2024 |
| Business Life Limited | Professional & scientific | 2025 |
| Buy Better Limited | Wholesale & retail | 2013 |
| BY SUZ Ltd | Administrative & support | 2020 |
| C & I Couriers Ltd | Transport & logistics | 2017 |
| C B Construction ALL Trade Ltd | Construction | 2019 |
| C D Mercer Limited | Construction | 2016 |
| C Flutur Construction Company Ltd | Construction | 2021 |
| C Flutur Groundwork & Maintenance Ltd | Construction | 2024 |
| C G Longhorn & Co (Online Services) Ltd | Information & communication | 2021 |
| C K Plumbing Solutions Limited | Construction | 2024 |
| C.A. Mcpherson Ltd. | Construction | 2005 |
| C.Carling Investments Ltd | Real estate | 2022 |
| CA Carriers Ltd | Transport & logistics | 2013 |
| CA Clements Holdings Limited | Real estate | 2025 |
| Caber Interiors Ltd. | Other services | 2017 |
| Cactus Farm Ltd | Wholesale & retail | 2024 |
| CAF Events Ltd | Hospitality | 2026 |
| Cafe Connect @ the Madoch Centre Ltd | Hospitality | 2022 |
| Cafe Mimi's 2018 Limited | Hospitality | 2018 |
| Cairn O'Mohr Ltd. | Manufacturing | 2002 |
| Cairneyhill Ltd | Professional & scientific | 2014 |
| Cairnwilliam Limited | Other services | 2013 |
| Cairo Catering Limited | Hospitality | 2019 |
| Caithness Varieties Limited | Agriculture & fishing | 2001 |
| Calder Fencing Limited | Construction | 2015 |
| Caledonia Carpentry Perth Ltd | Construction | 2025 |
| Caledonia Clinical Psychology Ltd | Professional & scientific | 2026 |
| Caledonia Draughting Limited | Professional & scientific | 2005 |
| Caledonia Potato Holdings Ltd | Professional & scientific | 1984 |
| Caledonia Removals (Scotland) Limited | Transport & logistics | 2021 |
| Caledonia Specialist Finance LP | | 2011 |
| Caledonia Storage Limited | Transport & logistics | 2021 |
| Caledonian Exports Limited | Wholesale & retail | 2025 |
| Caledonian Occupational Health Ltd | Extraterritorial | 2010 |
| Caledonian Stoves Ltd | Construction | 2019 |
| Caledonian Transport Heritage Limited | Arts & recreation | 2021 |
| Caledonian Transport Heritage Trading Limited | Arts & recreation | 2021 |
| Caley Leasing Limited | Hospitality | 2026 |
| Caliber Joiners & Contractors Ltd | Manufacturing | 2024 |
| Callisto Golf Equipment Limited | Wholesale & retail | 1999 |
| Callum John Enterprises Ltd | Construction | 2024 |
| Calmam Ltd | Real estate | 2020 |
| Calport Limited | Transport & logistics | 2008 |
| Calum Kippen Joiner and Contractor Limited | Construction | 2007 |