| PTW Group UK Ltd | Manufacturing | 2022 |
| Pure Baltic Ltd | Construction | 2024 |
| Purpose Creates Ltd | Professional & scientific | 2025 |
| PZ (Scot) Limited | Information & communication | 2025 |
| QB Investments Limited | Wholesale & retail | 2004 |
| Quahead Wood Limited | Agriculture & fishing | 2022 |
| Quality and Compliance First Ltd | Agriculture & fishing | 2014 |
| Quality Stone Limited | Professional & scientific | 1992 |
| Quality Worktops Limited | Construction | 2012 |
| Queenshaugh | | 2002 |
| Quest Business Consulting Ltd | Professional & scientific | 2006 |
| Quinton Comercial LP | | 2016 |
| Quip Solutions Ltd | Information & communication | 2025 |
| Quipsol Ltd | Information & communication | 2025 |
| R & SMG Catering Ltd | Hospitality | 2021 |
| R Alexander Roofing Limited | Construction | 2025 |
| R B Joinery and Building Services Ltd | Construction | 2014 |
| R J W Hunter Limited | Transport & logistics | 2021 |
| R K Joinery (Central) Limited | Construction | 2016 |
| R Waddell Ltd | Other services | 2015 |
| R&E Surfacing Ltd | Construction | 2022 |
| R&R Grab Hire Ltd | Administrative & support | 2024 |
| R.A. Corrieri & Sons Limited | Hospitality | 2000 |
| R.C.R Cleaning Solutions Ltd | Administrative & support | 2025 |
| R.M. Martin Limited | Agriculture & fishing | 2023 |
| R.N. Robertson Funeral Director Ltd. | Other services | 2014 |
| R.R. Henderson Limited | Wholesale & retail | 1957 |
| R7CMEDIA Ltd | Professional & scientific | 2022 |
| RA Medic Ltd | Health & social care | 2020 |
| Rabbitrock Properties Limited | Real estate | 2022 |
| Radical Weavers Experiences Ltd | Arts & recreation | 2025 |
| Radical Weavers Limited | Arts & recreation | 2021 |
| Radley Accents LP | | 2016 |
| Raduga Central Asia Trading Co LP | | 2016 |
| Raeburnfarquharbowen EOT Limited | Financial services | 2024 |
| Raeburnfarquharbowen Ltd | Professional & scientific | 2011 |
| Ragine Impacts LP | | 2016 |
| Rales Logistics and Offshore Services Ltd | Transport & logistics | 2020 |
| Ramoyle (Crookbridge) Limited | Construction | 2019 |
| Randhawa Retail Ltd | Wholesale & retail | 2025 |
| Raploch Asphalt Ltd | Construction | 2021 |
| Raploch Urban Regeneration Company Limited | Real estate | 2006 |
| Rapsec Ltd. | Administrative & support | 2009 |
| Rasool Investments Limited | Real estate | 2024 |
| Ravenscraig Properties Limited | Real estate | 1986 |
| Ravenswood Heights Ltd | Professional & scientific | 2026 |
| Raviss Ltd | Wholesale & retail | 2023 |
| RAW CUT Stems Limited | Agriculture & fishing | 2026 |
| Raymond Alexander Electrical Ltd. | Energy | 2016 |
| RB Group Facility Services Ltd | Construction | 2024 |
| RCR Scaffolding Solutions Ltd | Construction | 2022 |
| Rd&Co Limited | Information & communication | 2024 |
| RDB Consultants Ltd. | Professional & scientific | 2010 |
| RDS Forestry Limited | Agriculture & fishing | 2015 |
| Real Estate Works Limited | Professional & scientific | 2011 |
| Real Money PAY LP | | 2010 |
| Ream Homes Ltd | Real estate | 2023 |
| Rebelt Impex LP | | 2016 |
| Reben Systems LP | | 2016 |
| Reccan Psychology Services Ltd | Health & social care | 2018 |
| Record Wines Ltd | Wholesale & retail | 2025 |
| Recycling Pallet Services Ltd | Manufacturing | 2015 |
| Recyke-A-Bike Ltd | Wholesale & retail | 2005 |
| Red Circle Bars Ltd | Hospitality | 2015 |
| Red House Creative Ltd | Information & communication | 2020 |
| Red Kite (Scotland) Ltd | Financial services | 2015 |
| Red Rabbit Media Ltd | Arts & recreation | 2022 |
| Red Seven Consulting Limited | Information & communication | 2008 |
| Redhu Recruitment Resources Ltd | Transport & logistics | 2023 |
| Redsea Transit LP | | 2016 |
| Redsell Industrial LP | | 2016 |
| Redstar Solutions LP | | 2017 |
| Refinish Limited | Wholesale & retail | 2008 |
| Regulation Compliance Management Ltd | Construction | 2006 |
| Reinforce Capital LP | | 2016 |
| Rejuvenation by Morag Limited | Other services | 2021 |
| Relaxandrinks Limited | Energy | 2017 |
| Remain Logistics LP | | 2016 |
| Remi Group Ltd | Professional & scientific | 2025 |
| Rendalls Competitions Ltd | Arts & recreation | 2021 |
| Rendalls Property Limited | Households | 2021 |
| Renu Commercial Ltd | Real estate | 2021 |
| Reostart Business LP | | 2016 |
| Resarf Industrial Flooring Limited | Construction | 2022 |
| Rescue Emergency Care Services Limited | Education | 1995 |
| RESERV8 Ltd | Information & communication | 2026 |
| Respite and Care Solutions Ltd | Health & social care | 2023 |
| Restaforte Ltd | Professional & scientific | 2025 |
| Retail Management Consultants Limited | Professional & scientific | 1987 |
| Retailers Against Crime CIC | Information & communication | 2010 |
| Retirement and Investment Solutions Limited | Financial services | 2005 |
| Retro Universal LP | | 2016 |
| Revenez Chérie Limited | Wholesale & retail | 2026 |
| Review II Limited | Other services | 2021 |
| Rextel Communication LP | | 2016 |
| RG 2001 Limited | Professional & scientific | 2002 |
| RG 2002 Limited | Professional & scientific | 2002 |
| RH Surfacing Ltd | Construction | 2023 |
| Rhea Solutions Ltd | Information & communication | 2020 |
| Rhonda Peebles Ltd | Health & social care | 2015 |