| Marshall Expert Witness & Assessments Limited | Professional & scientific | 2022 |
| MC VEY and Burns Property Investment Ltd | Real estate | 2022 |
| Mcbarron Transport Solutions Ltd. | Transport & logistics | 2017 |
| Mccw Properties Ltd | Real estate | 2025 |
| Mckenzie Plant Limited | Other services | 2004 |
| Mckinlay Built Ltd | Construction | 2024 |
| Mclaggan Smith Group Limited | Professional & scientific | 2001 |
| Mcvey Group Ltd | Construction | 2018 |
| Megan's Luxury Holiday Lettings Ltd | Hospitality | 2022 |
| MF Joinery & Building Ltd | Construction | 2024 |
| MIE Electrical Limited | Construction | 2023 |
| MIL Grid System Services Limited | Professional & scientific | 2025 |
| Mill-Tonn GAS Services Ltd | Other services | 2017 |
| Mindhaar Child Psychology Ltd | Health & social care | 2026 |
| Mindzone Community (Scotland) C.I.C. | Health & social care | 2023 |
| Mise EN Place Catering Ltd | Hospitality | 2012 |
| Mitchell Energy Solutions Limited | Construction | 2017 |
| Moir Contracts Ltd | Construction | 2026 |
| Motor Analysis Limited | Professional & scientific | 2015 |
| Mrnoodles Ltd | Hospitality | 2025 |
| MS Tibsa Limited | Hospitality | 2024 |
| MSG Limited | Construction | 2015 |
| N Mcmillan Contracting Limited | Professional & scientific | 2018 |
| N&S Joinery Ltd | Construction | 2022 |
| Nails by SLM Limited | Other services | 2024 |
| Naski Express Ltd | Hospitality | 2026 |
| Natural Dermal LAB Ltd | Manufacturing | 2021 |
| NBCON1990 Ltd | Real estate | 2026 |
| Ndcare Ltd | Health & social care | 2026 |
| Needham Offshore Safety, Risk & Response Limited | Professional & scientific | 2026 |
| Neemco Limited | Agriculture & fishing | 1994 |
| New Image Hair Studio Ltd | Other services | 2016 |
| Nextgeneration Building Limited | Manufacturing | 2020 |
| Nextgeneration Maintenance Limited | Construction | 2022 |
| Niceman Ltd | Transport & logistics | 2021 |
| NJL Services Ltd | Construction | 2026 |
| NN Adornments Ltd | Manufacturing | 2025 |
| North Star Spirits Ltd. | Wholesale & retail | 2016 |
| NWL Estates Ltd | Construction | 2024 |
| NWL Honeywagon Co. Ltd | Administrative & support | 2018 |
| NWL Investment Ltd | Real estate | 2020 |
| Oakbank B&B Limited | Hospitality | 2019 |
| Ocoee House Limited | Wholesale & retail | 2020 |
| Ocoee House Retail Limited | Wholesale & retail | 2024 |
| ODD Jobs and Ends Ltd | Manufacturing | 2025 |
| Office & Industrial Cleaning Ltd | Administrative & support | 2020 |
| OMG Booth Ltd | Professional & scientific | 2015 |
| Paddock Rentals Ltd | Real estate | 2022 |
| Papafish Ltd | Hospitality | 2024 |
| Passionway Ltd | Information & communication | 2025 |
| Paton Balloch Property Ltd | Real estate | 2026 |
| Paul Andrew Pipeworks Ltd | Manufacturing | 2024 |
| PB Takeaways Ltd | Hospitality | 2025 |
| Phamm + Ltd | Agriculture & fishing | 2023 |
| Picture Perfect Kitchens & Bathrooms Ltd | Wholesale & retail | 2025 |
| Pinnacle Roofing & Rendering Limited | Construction | 2022 |
| Pizza Nova Alexandria Ltd | Hospitality | 2019 |
| PM Carpentry & Joinery Ltd | Manufacturing | 2026 |
| Poppie Property Limited | Real estate | 2023 |
| Port Bear Ltd | Information & communication | 2024 |
| Portnellan Farm LLP | | 2008 |
| Power and Marine Services Limited | Professional & scientific | 2022 |
| PPT Auto Detox Ltd | Wholesale & retail | 2020 |
| Quality Acoustic Solutions Ltd | Construction | 2020 |
| R.K Engineers Ltd | Manufacturing | 2019 |
| Rachelgoldiemua Ltd | Other services | 2019 |
| Raiziehill Retreat Ltd | Real estate | 2025 |
| Rehuman Systems Ltd | Information & communication | 2025 |
| Reilly Lounge Ltd | Hospitality | 2026 |
| Reilly's Lounge Limited | Hospitality | 2024 |
| REMAP2RACE (West of Scotland) Ltd | Wholesale & retail | 2024 |
| Rennie Commercial Services Limited | Professional & scientific | 2010 |
| Revamp Creative Coatings Limited | Administrative & support | 2003 |
| RFX Building Services Limited | Professional & scientific | 2014 |
| Rhet Dumbarton, Lomond and Renfrew | Agriculture & fishing | 2008 |
| Riggs Media Group Ltd | Manufacturing | 2021 |
| Rivalkit Ltd | Wholesale & retail | 2018 |
| Rivalkituk Ltd | Wholesale & retail | 2024 |
| River Styx Ltd | Other services | 2021 |
| Riverside MOT and Repairs Centre Ltd | Wholesale & retail | 2024 |
| Rkeps Ltd | Manufacturing | 2025 |
| Rkma Ltd | Manufacturing | 2025 |
| RM Roofing and Building Contractors Ltd | Construction | 2023 |
| ROB Mcculloch Project Services Ltd | Professional & scientific | 2021 |
| ROB ROY Films Ltd | Information & communication | 2002 |
| Rogers Skip Hire Limited | Administrative & support | 2004 |
| ROK Dogg Maintenance Ltd | Manufacturing | 2025 |
| Roof Restore Glasgow Ltd | Construction | 2024 |
| Rose Balloch Limited | Hospitality | 2021 |
| Rydoh Ltd | Hospitality | 2025 |
| S Gray Aviation Limited | Manufacturing | 2019 |
| S.A.S Security Ltd | Administrative & support | 2026 |
| Salescore Ltd | Administrative & support | 2025 |
| SB Bespoke Construction Ltd | Construction | 2023 |
| SB Plastering & Maintenance Ltd | Administrative & support | 2014 |
| Scoops Cafe Ltd | Hospitality | 2026 |
| SEC Ventures Ltd | Information & communication | 2025 |
| SEW Bonnie Ltd | Other services | 2022 |
| Shields Joinery Limited | Construction | 2025 |
| Silverean Ltd | Wholesale & retail | 2025 |