| Morrice Plant Hire Ltd | Administrative & support | 2020 |
| Morris Swanley Limited | Professional & scientific | 2008 |
| Moss Fitness and Wellbeing Ltd | Education | 2026 |
| Mountshade Limited | Construction | 2014 |
| Mowat Services Limited | Administrative & support | 2014 |
| Mphl Limited | Professional & scientific | 2015 |
| MRH Joinery Limited | Construction | 2018 |
| MRS Meldrum Limited | Information & communication | 2016 |
| Mungo's Travel Solutions Limited | Hospitality | 2012 |
| Murphiehowe Farm Limited | Agriculture & fishing | 2015 |
| Mvmt Training Club Ltd | Health & social care | 2021 |
| Natalie Lauren Ltd | Other services | 2023 |
| NDC Property Investments Ltd | Real estate | 2018 |
| NE Render Ltd | Construction | 2024 |
| Neil Buchan Joinery & Glazing Limited | Construction | 2008 |
| Nescollectibles Ltd | Wholesale & retail | 2026 |
| Netherton Engineering Limited | Professional & scientific | 2010 |
| Newsline Media Limited | Professional & scientific | 2012 |
| Nibbetstane Farm | | 2000 |
| NJH Energy Ltd | Professional & scientific | 2016 |
| NJH Tiling Ltd | Construction | 2023 |
| NO. 28 Ltd | Information & communication | 2015 |
| Nodal Engineering Limited | Professional & scientific | 2004 |
| Nolay Consulting & Services Limited | Agriculture & fishing | 2024 |
| Noosphere Energy Ltd | Professional & scientific | 2023 |
| Nord Eco Homes Ltd | Construction | 2024 |
| North Banchory Company Limited | Real estate | 1997 |
| North East Arts Touring Limited | Arts & recreation | 2010 |
| North East Ceilings Limited | Construction | 2011 |
| Nose 2 Tail Dog Boutique Ltd | Wholesale & retail | 2020 |
| Nourish Flourish & Nurture Ltd | Health & social care | 2024 |
| NWD Electrical Services Limited | Manufacturing | 2023 |
| O E Maintenance Ltd | Administrative & support | 2021 |
| Oberon Trading Systems Limited | Information & communication | 2020 |
| Occupational Health Aberdeen Ltd | Health & social care | 2019 |
| Ocean Wells Limited | Professional & scientific | 2011 |
| Ogma Solutions Ltd | Professional & scientific | 2023 |
| Old Mill of Hirn Partnership(The ) | | 1984 |
| Oleoquip Ltd | Professional & scientific | 2021 |
| Oleum Associates Ltd | Hospitality | 2005 |
| Oleum Consulting Ltd | Professional & scientific | 2025 |
| Omega Subsea Services Limited | Professional & scientific | 2018 |
| Omni Control Solutions Limited | Professional & scientific | 2013 |
| Openttd Distribution Ltd | Information & communication | 2021 |
| OPS Input Limited | Professional & scientific | 2014 |
| Orange Stag Limited | Professional & scientific | 2020 |
| OUT of the Gate Ltd | Manufacturing | 2022 |
| OUT There Active Wear Limited | Wholesale & retail | 2010 |
| Ovalr Ltd | Professional & scientific | 2023 |
| P.D. Services Scotland Ltd | Agriculture & fishing | 2022 |
| P.G. Creative Architecture Limited | Administrative & support | 2011 |
| Page Break Ltd. | Information & communication | 2012 |
| Path Head Solutions Ltd | Professional & scientific | 2020 |
| PD Plumbing and Heating (Aberdeen) Ltd | Construction | 2021 |
| PDQ Scotland Ltd | Mining & quarrying | 2006 |
| Peatfield Scientific Limited | Professional & scientific | 2015 |
| Pendicle Quality Services Limited | Professional & scientific | 2024 |
| Pendo Care Services Limited | Health & social care | 2025 |
| Perfect Paws Parlour Limited | Other services | 2016 |
| Peter Milne Wellservices Limited | Professional & scientific | 2001 |
| Pioneer Resources Limited | Professional & scientific | 2015 |
| Pipe Rock Ltd | Professional & scientific | 2013 |
| PJB Electrics Limited | Construction | 2012 |
| Place D'Or 417 Limited | Information & communication | 1996 |
| Plan-It Solutions Limited | Professional & scientific | 2025 |
| Power Transmission Equipment Ltd. | Wholesale & retail | 1999 |
| Practical Intelligence Consulting Limited | Professional & scientific | 2001 |
| Precision Impulse Production Seismic Limited | Professional & scientific | 2017 |
| Presly & Co | Wholesale & retail | 2004 |
| Prime Eagle Limited | Information & communication | 2018 |
| Pro Equine Limited | Manufacturing | 2004 |
| PS Integrity Limited | Professional & scientific | 2025 |
| PW Energies Limited | Professional & scientific | 2026 |
| PWG Enterprises Limited | Administrative & support | 2014 |
| PWS Crew Limited | Mining & quarrying | 2016 |
| Qaia Ltd | Professional & scientific | 2021 |
| Qhse Advisory Aberdeen Ltd | Professional & scientific | 2015 |
| Quiddies Ltd | Hospitality | 2023 |
| Qwell Energy Solutions Ltd | Professional & scientific | 2025 |
| R D Duncan Limited | Construction | 2012 |
| R K Dakash Ltd | Administrative & support | 2017 |
| R. Davidson (Banchory) Ltd. | Construction | 2011 |
| Raemoir Garden Centre Limited | Wholesale & retail | 1989 |
| Raise Innovations Ltd | Professional & scientific | 2020 |
| Rammac Limited | Construction | 2010 |
| RAREDRINKS101 Limited | Manufacturing | 2025 |
| Ravenswood Energy Services Limited | Professional & scientific | 2011 |
| Rawc Services Limited | Professional & scientific | 2006 |
| RDB Ventures (Scotland) Limited | Financial services | 2024 |
| Reavir Ltd | Manufacturing | 2021 |
| Reclaim Subsea Ltd | Professional & scientific | 2014 |
| RECYCL8 Limited | Water & waste | 2019 |
| Red Eleven Ltd | Professional & scientific | 2022 |
| Red Rose Torphins Limited | Hospitality | 2022 |
| Red Stone Drilling Limited | Mining & quarrying | 2006 |
| Refresh Property Ltd | Real estate | 2022 |
| Refresh Stays Ltd | Hospitality | 2025 |
| Refrigeration (Aberdeen) Limited | Manufacturing | 2002 |
| Rembikes Ltd | Wholesale & retail | 2020 |
| Remote Assistance Solutions Ltd | Professional & scientific | 2024 |