| R & J Taylor Joinery Limited | Construction | 2017 |
| R D Buchan & Sons Limited | Manufacturing | 2002 |
| R J Gallagher Ltd | Other services | 2013 |
| R Watts Engineering Ltd | Professional & scientific | 2014 |
| R.B. Fishing Ltd. | Real estate | 2002 |
| RAL Construction Ltd | Manufacturing | 2019 |
| RAL Enterprises Limited | Agriculture & fishing | 2013 |
| Ralston Well Services Ltd | Mining & quarrying | 2024 |
| Ram-Tech Hydraulics Ltd. | Manufacturing | 1999 |
| Ramsden Access Ltd | Professional & scientific | 2025 |
| Raptor Services (Scotland) Ltd | Real estate | 2010 |
| Rare Collectables, Art & Books Ltd | Manufacturing | 2026 |
| RBG Catering Ltd | Hospitality | 2022 |
| Rcab Solutions Limited | Professional & scientific | 2017 |
| RD Electrical Services Ltd | Construction | 2025 |
| Rdcw Consultancy Limited | Professional & scientific | 2026 |
| Reaper Fishing LLP | | 2002 |
| Red FOX Stays Ltd | Real estate | 2022 |
| Red FOX Trades Ltd | Real estate | 2025 |
| Red FOX Wealth Ltd | Financial services | 2025 |
| Red Grill Ltd | Hospitality | 2026 |
| Red Lyon Ltd | Construction | 2019 |
| Refrigeration Systems Limited | Other services | 2007 |
| REH Engineering Limited | Professional & scientific | 2017 |
| Reid Workwear Limited | Manufacturing | 2026 |
| Reidfab Limited | Other services | 2010 |
| Reliance Fishing Company Ltd. | Agriculture & fishing | 1999 |
| Renttropy Ltd | Manufacturing | 2025 |
| Resilient Engineering Ltd | Agriculture & fishing | 2023 |
| Response & Resilience Consultancy Services (Rrcs) Ltd | Professional & scientific | 2022 |
| Retreat to Auchiries Ltd | Hospitality | 2026 |
| Reverie Brands Ltd | Wholesale & retail | 2023 |
| Revive Community Church | Other services | 2005 |
| RG Hydraulics Ltd | Professional & scientific | 2024 |
| Rgbg Services Ltd | Other services | 2011 |
| RGM Plumbing Ltd. | Construction | 2006 |
| Rider Skill Academy Ltd | Education | 2024 |
| RIG 1 Ltd. | Other services | 2012 |
| RIG a Load Limited | Construction | 2023 |
| RIG UP Solutions Ltd | Construction | 2026 |
| Ritch Fishing Ltd. | Agriculture & fishing | 2009 |
| Ritch Properties Ltd | Real estate | 2022 |
| Ritchie Marine Services Ltd | Agriculture & fishing | 2016 |
| RNC Rigging and Lifting Ltd | Professional & scientific | 2025 |
| Roalsons Ltd | Other services | 2015 |
| Robert Mackie (Funeral Directors) Limited | Other services | 1986 |
| Robert S.M. Johnston and Aberdeenshire Council | | 1998 |
| Robert Stewart Ltd. | Wholesale & retail | 2002 |
| Roberts Joinery Ltd. | Construction | 2010 |
| Robertson Electrical Ltd | Construction | 2015 |
| Robin Rodger | | 1993 |
| Robo Gardening Ltd | Administrative & support | 2026 |
| Rockview Properties Ltd | Real estate | 2007 |
| Rodger Morrison Catering Limited | Real estate | 1995 |
| Rodger Morrison Holdings Limited | Hospitality | 1995 |
| Rolling Hills Limited | Professional & scientific | 1993 |
| Rollow Homes Ltd | Construction | 2019 |
| Roman Underwater Solutions Ltd | Professional & scientific | 2024 |
| RON Shanks Development Projects Limited | Administrative & support | 2004 |
| Ronald Campbell Properties Limited | Real estate | 2026 |
| Rope Access and Drone Services Ltd | Construction | 2021 |
| Roperig Engineering Ltd | Mining & quarrying | 2020 |
| Rora Services Ltd | Construction | 2023 |
| Rossiklb Ltd | Agriculture & fishing | 2019 |
| RS Home Interiors Limited | Construction | 2020 |
| Russell ORD Ltd | Wholesale & retail | 2017 |
| Rwfb Limited | Agriculture & fishing | 2006 |
| RWW Homes Ltd | Construction | 2025 |
| Ryan Hogarth Fishing Ltd | Agriculture & fishing | 2018 |
| S a S Joinery Limited | Other services | 2014 |
| S G Noticeboard Ltd | Information & communication | 2021 |
| S Gordon Mechanical Ltd | Professional & scientific | 2022 |
| S K Ventilation Ltd | Construction | 2018 |
| S R Investments Ltd. | Real estate | 2004 |
| S T Subsea Services Limited | Professional & scientific | 2015 |
| S W Wells Ltd | Construction | 2026 |
| S&P Fencing & Decking & Property Maintenance Ltd | Households | 2025 |
| S&P Fencing & Decking Ltd | Administrative & support | 2020 |
| S&S Property Maintenance Ltd | Extraterritorial | 2022 |
| S.Adkin Services Limited | Financial services | 2022 |
| S.Buchan Services Ltd | Professional & scientific | 2025 |
| S.R.L. Engineering Ltd. | Manufacturing | 2002 |
| S.S.S. Enterprises Ltd. | Agriculture & fishing | 2004 |
| S2C Consult Ltd. | Other services | 2010 |
| SAC Keckles Ltd | Administrative & support | 2019 |
| Safe Access Solutions (North East) Limited | Other services | 2012 |
| Safe Access Solutions (PD) Limited | Construction | 2021 |
| Safety Advisor K G Ltd | Mining & quarrying | 2008 |
| Saicada Fishing Limited | Agriculture & fishing | 2019 |
| Saint Smiles Ltd | Health & social care | 2025 |
| SAM Wilson Property Maintenance & Roofing Ltd | Households | 2025 |
| Sandford (Fishing) Limited | Agriculture & fishing | 2002 |
| Sandhu Houses Limited | Real estate | 2020 |
| Sandy Downie Limited | Wholesale & retail | 2013 |
| Saprra Ltd | Wholesale & retail | 2015 |
| Sardonyx Exports Limited | Other services | 2015 |
| Saskia Koske Limited | Professional & scientific | 2023 |
| Savant Financial (Holdings) Limited | Financial services | 2023 |
| Savant Financial Consultants Limited | Professional & scientific | 2023 |
| Scan Aerial Services Limited | Wholesale & retail | 2011 |