| Quick Fit Aerials Limited | Information & communication | 2012 |
| Quickbolt Limited | Real estate | 2012 |
| Quinag Flux Limited | Professional & scientific | 2025 |
| Quixote Advisers Limited | Manufacturing | 2017 |
| Qurated Quizzes Limited | Administrative & support | 2025 |
| R & a Property Ltd | Real estate | 2015 |
| R & B Switchgear Services (Aberdeen) Ltd | Manufacturing | 2013 |
| R & C Construction Limited | Construction | 2003 |
| R & D Services (Aberdeen) Limited | Construction | 2013 |
| R & D Steel Buildings Ltd. | Manufacturing | 2003 |
| R & G Motor Services Limited | Wholesale & retail | 2021 |
| R & J Simpson Limited | Transport & logistics | 1984 |
| R & K Marine Management Ltd | Extraterritorial | 2024 |
| R & L Properties (Aberdeen) Limited | Construction | 2015 |
| R & P Mcdonald Ltd. | Manufacturing | 2010 |
| R & R Bryce Ltd | Wholesale & retail | 2022 |
| R and R Fitness Ltd | Arts & recreation | 2025 |
| R Ashcroft Services Ltd | Construction | 2021 |
| R Davidson Joiners and Builders Ltd | Construction | 2023 |
| R G Electrical Trustee Limited | Administrative & support | 2023 |
| R J Coulter Services Limited | Other services | 2020 |
| R J S (Scotland) Limited | Administrative & support | 1996 |
| R J Stacey Property Ltd | Real estate | 2025 |
| R Johns Removals Ltd | Transport & logistics | 2023 |
| R M B Retail Limited | Administrative & support | 2003 |
| R Mcconnell Limited | Real estate | 2025 |
| R Nanda Kumar & Co Limited | Administrative & support | 2011 |
| R Ross Properties Limited | Real estate | 2025 |
| R S Fishing Limited | Agriculture & fishing | 1992 |
| R S Hvac Engineering Limited | Professional & scientific | 2017 |
| R Stewart Heating Services Ltd | Construction | 2020 |
| R T F M Technologies Limited | Information & communication | 1998 |
| R W Henderson Limited | Manufacturing | 2002 |
| R Watt Materials Control Ltd | Professional & scientific | 2014 |
| R&B Engineering Digital Services Ltd | Professional & scientific | 2026 |
| R&B Switchgear (Aberdeen) Ltd | Construction | 2024 |
| R&C Duguid Property Ltd | Real estate | 2024 |
| R&G Barbering Ltd | Education | 2024 |
| R&L Go Large Limited | Construction | 2022 |
| R&R Strichen Retail Ltd | Wholesale & retail | 2026 |
| R. B. Wilson (Electrical) Limited | Construction | 1980 |
| R. Gibson Properties Ltd | Real estate | 2020 |
| R.A. Executive Freight Limited | Transport & logistics | 1981 |
| R.A. Mcdonald (Electricians) Ltd | Administrative & support | 2012 |
| R.Anderson Joinery Ltd | Construction | 2017 |
| R.B. Farquhar Limited | Real estate | 2012 |
| R.B. Wilson Holdings Limited | Professional & scientific | 2008 |
| R.D. (Aberdeen) Limited | Professional & scientific | 2007 |
| R.Fowlie Joinery Limited | Construction | 2016 |
| R.I.M. Fabrications Limited | Extraterritorial | 2018 |
| R.S.D. Supplies & Services Limited | Other services | 1999 |
| R.U Traders Ltd | Wholesale & retail | 2022 |
| R2 Planning Ltd | Manufacturing | 2022 |
| R2 Scaffolding Limited | Construction | 2015 |
| R33 Logistics Ltd | Transport & logistics | 2025 |
| R4 Group Ltd | Hospitality | 2017 |
| R4FFN Solutions Limited | Mining & quarrying | 2023 |
| RA E&I Intigrated Limited | Construction | 2024 |
| RA Health Innovations Ltd | Information & communication | 2024 |
| RA Mobile Mechanics Ltd | Professional & scientific | 2025 |
| RA Skin Limited | Other services | 2024 |
| RA1 Wholesales Limited | Wholesale & retail | 2025 |
| RA777 Taxi Ltd | Transport & logistics | 2026 |
| Raac Events Ltd | Arts & recreation | 2025 |
| Raanan Engineering Ltd | Other services | 2012 |
| Raaw Engineering Limited | Professional & scientific | 2020 |
| RAB Microfluidics Research and Development Company Limited | Professional & scientific | 2016 |
| RAC Services Ltd | Professional & scientific | 2025 |
| Raccortubi UK Ltd | Wholesale & retail | 2005 |
| Race Pubco Ltd | Hospitality | 2023 |
| Rachael Hair & Beauty Salon Limited | Other services | 2025 |
| Radeka Ltd | Transport & logistics | 2024 |
| Radiance Laser Ltd | Other services | 2024 |
| Radiantbean Limited | Professional & scientific | 2024 |
| Radio Design Limited | Other services | 2007 |
| Radio Michael Limited | Construction | 2003 |
| Radivance Ltd | Other services | 2024 |
| RAE Automotive Ltd | Wholesale & retail | 2018 |
| RAE Brown & Company Limited | Construction | 1983 |
| Raeburn Christie Clark & Wallace LLP | | 2019 |
| Raeden Investment Ltd | Financial services | 2020 |
| Raemoir Contract Management Ltd | Professional & scientific | 2025 |
| Raemoir Estates Management Limited | Professional & scientific | 2018 |
| Raemoir Facilities Management Limited | Professional & scientific | 2025 |
| Rafgolf Construction Ltd | Construction | 2020 |
| Raga Cardio Ltd | Health & social care | 2025 |
| Raging Bulls Competitions Ltd | Arts & recreation | 2023 |
| Rahd.Ai International Ltd | Information & communication | 2025 |
| Rahman Traders Limited | Hospitality | 2026 |
| Raiden Trading Ltd | Hospitality | 2020 |
| Rail Geospatial Limited | Information & communication | 2024 |
| Railway Pensions (PE) Caledonia Limited | Financial services | 2008 |
| Railway Pensions (PE), SLP | | 2008 |
| Rainbow (Aberdeen) Limited | Administrative & support | 2006 |
| Rainbow Airport Taxis Limited | Transport & logistics | 2003 |
| Rainbow Cafe Aberdeen Limited | Hospitality | 2019 |
| Rainbow Cars Limited | Transport & logistics | 1999 |
| Rainbow Chauffeur Drive Limited | Administrative & support | 2007 |
| Rainbow City Taxis Limited | Transport & logistics | 2001 |
| Rainnies Hill Engineering Ltd | Professional & scientific | 2024 |