| Bourbaki Ltd | Professional & scientific | 2023 |
| Bplug Management Consultancy Ltd | Information & communication | 2023 |
| Bract Botanical Living Ltd | Wholesale & retail | 2025 |
| Bramble Bush Limited | Real estate | 2017 |
| Brickfield Store Ltd | Wholesale & retail | 2020 |
| Brickfile Limited | Mining & quarrying | 2004 |
| Bridgefield Services Limited | Other services | 2003 |
| Bridgend Kennels Stonehaven Ltd | Agriculture & fishing | 2026 |
| BTP Draughting Limited | Professional & scientific | 2013 |
| Bucket & Spade Stonehaven Ltd | Wholesale & retail | 2022 |
| Bulwark Services Limited | Manufacturing | 2007 |
| Bureau Energy Limited | Professional & scientific | 2020 |
| Burnett Bharath Ltd | Hospitality | 2024 |
| Burtix Limited | Mining & quarrying | 2012 |
| BUTSYANDFERRY911 Ltd | Professional & scientific | 2014 |
| Buy-Or-Sell Property Ltd | Real estate | 2026 |
| Byakko Sports Limited | Wholesale & retail | 2022 |
| C L 2006 Limited | Hospitality | 2005 |
| C&M Mcewan Ltd | Agriculture & fishing | 2024 |
| C-Net (Critical Network & Electrical Technology) Ltd | Construction | 2026 |
| C.D.N Oilfield Maintenance Services Ltd | Mining & quarrying | 2019 |
| CAF4E @ Credo Community Interest Company | Hospitality | 2018 |
| Caledonia Charters Limited | Transport & logistics | 2017 |
| Camilla Bates Physiotherapy Ltd | Health & social care | 2021 |
| Carnaby 39 Ltd | Other services | 2019 |
| Carness Consulting Ltd | Information & communication | 2016 |
| Carraigean Limited | Wholesale & retail | 2019 |
| Carron to Mumbai Ltd | Hospitality | 2017 |
| Carronside Consultancy Ltd | Professional & scientific | 2022 |
| Castle Engineering (Aberdeen) Limited | Professional & scientific | 2015 |
| Cemayse Ltd | Wholesale & retail | 2026 |
| Chapelton Energy Limited | Professional & scientific | 1994 |
| CJK Ltd | Professional & scientific | 2026 |
| Cjkmml Ltd | Professional & scientific | 2026 |
| CJM Projects & Consultants Ltd | Professional & scientific | 2025 |
| CJS Drilling Services Limited | Mining & quarrying | 2007 |
| Clarity Energy Limited | Information & communication | 2020 |
| Clearscene Ltd | Administrative & support | 2020 |
| Cloak Caravan Park Limited | Hospitality | 2018 |
| Clochnahill Limited | Energy | 2008 |
| Collaborative Communications Ltd | Professional & scientific | 2020 |
| COLLABOV8 Limited | Professional & scientific | 2022 |
| Conmax Consultancy Ltd | Professional & scientific | 2024 |
| Connected Campers Limited | Hospitality | 2018 |
| Cookney Public Hall | Arts & recreation | 2009 |
| Copper Lungs Ltd | Arts & recreation | 2026 |
| Cormack Consultancy Ltd | Administrative & support | 2013 |
| Cover Clean Limited | Administrative & support | 2020 |
| Cover Crew Limited | Administrative & support | 2004 |
| COX & Co Barbershop Limited | Other services | 2021 |
| Craigian Limited | Professional & scientific | 1995 |
| Craigian PM Ltd | Professional & scientific | 2026 |
| Craigneil LLP | | 2015 |
| Crawton Park Ltd | Administrative & support | 2023 |
| Crome Engineering Limited | Mining & quarrying | 2013 |
| Crosshaven Property Services Ltd | Real estate | 2020 |
| Crux Access Ltd | Construction | 2023 |
| Cuda Properties Limited | Real estate | 2006 |
| Culture Shock Marketing Ltd | Professional & scientific | 2024 |
| Custom Blinds Aberdeen Ltd. | Other services | 2013 |
| CVL Farms Limited | Agriculture & fishing | 2023 |
| D & G Manson Limited | Construction | 2003 |
| D & J D Hutchison Farmers | | 1988 |
| D Dreelan Services Limited | Administrative & support | 2016 |
| D M Training Consultants Limited | Education | 2005 |
| D Still Electrical Limited | Construction | 2024 |
| D-Side Hvac Ltd | Mining & quarrying | 2020 |
| D.E.A.R. Renewables Limited | Energy | 2014 |
| Danielle Rattray Ltd | Manufacturing | 2024 |
| DAR Grill Ltd | Hospitality | 2025 |
| Dark North Ltd | Wholesale & retail | 2019 |
| Dasbo Limited | Professional & scientific | 2008 |
| Davaar Consultants Ltd | Professional & scientific | 2024 |
| Deeside Lettings Ltd | Real estate | 2024 |
| Deeside Trailer Hire Ltd | Administrative & support | 2016 |
| Deividas Stonehaven Ltd | Hospitality | 2025 |
| Digital Energy Group Ltd | Information & communication | 2020 |
| Digital Engineering and Consulting Limited | Professional & scientific | 2013 |
| Disco DAD Limited | Other services | 2025 |
| DJ Energy Projects Limited | Professional & scientific | 2025 |
| DJI Electrical Services Ltd | Construction | 2015 |
| DM Forklifts Limited | Wholesale & retail | 2023 |
| DM Power TEK Ltd | Professional & scientific | 2023 |
| DM Property Management Ltd | Real estate | 2025 |
| Donna Sharpe Limited | Hospitality | 2024 |
| Donovan Electrical Ltd | Professional & scientific | 2019 |
| Drumlithie After School Help | Education | 2009 |
| Dryburgh Subsea Engineering Services Ltd | Other services | 2001 |
| DS Design Services Ltd | Professional & scientific | 2025 |
| DUN Eistean Engineering Ltd | Professional & scientific | 2020 |
| Dunbar Holdings Limited | Professional & scientific | 2001 |
| Dunnottar Cheesecakes Ltd | Manufacturing | 2024 |
| Dunnottar Estates Limited | Real estate | 2005 |
| Dunnottar Integrity Services Limited | Professional & scientific | 2018 |
| Dunnottar Park Architects Ltd | Professional & scientific | 2019 |
| Dunnottar Technical Safety Ltd | Professional & scientific | 2026 |
| Dynamic Wellhead Services Ltd | Construction | 2025 |
| E Ewan Contractor Ltd | Agriculture & fishing | 2023 |
| E F Riddell LLP | | 2015 |
| East Coast Arable Systems Limited | Agriculture & fishing | 2013 |