| Arcus Technical Ltd | Professional & scientific | 2018 |
| ARD Properties (Holdings) Limited | Financial services | 2021 |
| Ardent Fishing LLP | | 2013 |
| Ardo Holdings Limited | Financial services | 2024 |
| Arena Strength and Fitness Gym Ltd | Other services | 2015 |
| Arenhall Limited | Other services | 2012 |
| Arino Tech Limited | Information & communication | 2025 |
| Arkodea Ltd | Information & communication | 2025 |
| ARL Fishing Company Limited | Agriculture & fishing | 2003 |
| Aron Events Ltd | Hospitality | 2024 |
| Arrow Subsea Limited | Mining & quarrying | 2016 |
| Artwa Engineering Ltd | Professional & scientific | 2012 |
| ASG Business Services Ltd | Professional & scientific | 2013 |
| Ashgrove Group Holdings Ltd | Wholesale & retail | 2024 |
| Ashgrove Group Ltd | Wholesale & retail | 2024 |
| Asmco Limited | Other services | 2016 |
| Aspen Apartments Ltd | Real estate | 2021 |
| Aspire Developments (NE) Ltd | Arts & recreation | 2023 |
| Aspire Fishing Limited | Other services | 2015 |
| Assure Well Integrity Ltd | Professional & scientific | 2025 |
| Astute Business Solutions Ltd | Administrative & support | 2025 |
| Atfr Ltd | Households | 2022 |
| Auchmedden Farms Ltd | Agriculture & fishing | 2025 |
| Auquharney Associates Limited | Construction | 2006 |
| Aurora Marine Scotland Limited | Agriculture & fishing | 2019 |
| Autopia Motors Limited | Wholesale & retail | 2026 |
| Autumn Fall (Elgin) Ltd | Financial services | 2019 |
| AWF Plumbing & Heating Services Ltd | Construction | 2026 |
| Awfb Limited | Agriculture & fishing | 2006 |
| Awjf Limited | Energy | 2012 |
| Axios Mining Limited | Information & communication | 2021 |
| Azeri Ecosse Ltd | Hospitality | 2020 |
| B & B Properties (Peterhead) Limited | Other services | 2015 |
| B & C Joinery (Crimond) Ltd | Construction | 2007 |
| B & J Electrical Ltd | Construction | 2024 |
| B & J Greig Joinery (Scotland) Ltd | Construction | 2010 |
| B & S Roughcasters & Roofing Ltd. | Construction | 2005 |
| B B Driveways Limited | Transport & logistics | 2018 |
| B E Joinery Ltd | Construction | 2017 |
| B Mech Autos Ltd | Wholesale & retail | 2025 |
| B T Autos (Longside) Ltd | Wholesale & retail | 2010 |
| B.R.Training Ltd | Other services | 2009 |
| Bacchus Enterprises Limited | Agriculture & fishing | 2008 |
| Bailies Bar 2021 Limited | Hospitality | 2021 |
| Bain Properties Ltd | Real estate | 2023 |
| Balmoor Investments Ltd. | Real estate | 2007 |
| Balmoor Services Ltd | Administrative & support | 2020 |
| Balmoral Recruitment & Facilities Management Ltd | Administrative & support | 2026 |
| Baluss Heath Limited | Professional & scientific | 2022 |
| Banff Smile Centre Ltd | Health & social care | 2026 |
| Bannerman Construction Consultants Ltd | Administrative & support | 2002 |
| Barclay Roughcasting & Roofing Services Ltd | Construction | 2020 |
| Baxter Design (Mintlaw) Limited | Professional & scientific | 2017 |
| Baxter Design Company (Old Deer) Ltd | Professional & scientific | 2014 |
| Bayglen Limited | Wholesale & retail | 2004 |
| Bazan Limited | Hospitality | 2019 |
| Bcreativ Ltd | Information & communication | 2011 |
| Beatrice Allardyce Limited | Financial services | 2017 |
| Beats Energy Consultancy Services Ltd | Other services | 2026 |
| Bennie Motors Ltd | Other services | 2016 |
| Berryden Fishing Ltd | Agriculture & fishing | 2021 |
| Berryden Properties Ltd | Real estate | 2026 |
| Berryhill Driving Range Ltd | Arts & recreation | 2018 |
| Berryhill Lettings Ltd | Real estate | 2018 |
| Bill Mackie Engineering Ltd. | Administrative & support | 1996 |
| Biovaloris Ltd | Professional & scientific | 2026 |
| Birnie Gowkhill Energy Ltd | Energy | 2014 |
| BJ Investments Limited | Real estate | 2021 |
| BJB Systems Ltd | Extraterritorial | 2024 |
| Black-Arc Industries Ltd | Construction | 2023 |
| Blackhills Farms | | 1997 |
| Blackhills Tyres Limited | Wholesale & retail | 2015 |
| Blairwind Renewables Limited | Administrative & support | 2015 |
| Bloo Rope Solutions Ltd | Other services | 2023 |
| Blue Drive Driver Training Ltd | Education | 2025 |
| Blue Fathom Limited | Professional & scientific | 2015 |
| Blue Ocean Holdings Ltd | Real estate | 2015 |
| Blue Pepper Properties Ltd | Real estate | 2025 |
| Blue Toon Laundrette Ltd | Other services | 2025 |
| Blue Toon Sports Club LLP | | 2026 |
| Blue Toon the Sun Factory Ltd | Wholesale & retail | 2022 |
| Blue Toon Vape and Grocery Ltd | Wholesale & retail | 2026 |
| Bmqi Services Ltd | Construction | 2026 |
| Body Logic Therapies Ltd | Other services | 2018 |
| Body Logic Training Limited | Other services | 2019 |
| Boghead Farms | | 1997 |
| Bold Brewing Ltd | Manufacturing | 2018 |
| BON BON (Peterhead) Ltd | Wholesale & retail | 2013 |
| Bonnera Management & Insp Ltd | Administrative & support | 2010 |
| Bosie Ltd | Wholesale & retail | 2015 |
| Botany View Properties Ltd. | Real estate | 2003 |
| Bouncy FUN Inflatables Ltd | Administrative & support | 2025 |
| Brew Toon CB Limited | Wholesale & retail | 2021 |
| Brew Toon Ltd. | Manufacturing | 2013 |
| Brian Henderson Car Sales Ltd | Wholesale & retail | 2022 |
| Brian Mclennan Transport Ltd. | Transport & logistics | 2007 |
| Brian Milne Driving School Ltd. | Education | 2010 |
| Brian Smith Ltd. | Wholesale & retail | 2002 |
| Bridgend Farm | | 1993 |
| BRL Strachan Ltd | Agriculture & fishing | 2020 |