| Montserrat Construction Services Limited | Construction | 2023 |
| Moorfield International Holdings Limited | Financial services | 2025 |
| Moorfield International Limited | Manufacturing | 1996 |
| Mooster Maintenance Ltd | Construction | 2026 |
| Morgan Schwim Limited | Real estate | 2021 |
| Moro Nleyo Ltd | Mining & quarrying | 2025 |
| Morse Telecomms Ltd | Information & communication | 2019 |
| Mortgages-Uk Limited | Financial services | 2025 |
| Movana Limited | Transport & logistics | 2025 |
| Mptm Ltd | Wholesale & retail | 2020 |
| MRF Energy Ltd | Energy | 2025 |
| Mseb Limited | Construction | 2023 |
| Mulholland Reinforcements Ltd | Transport & logistics | 2025 |
| Multi Trade Contracts Limited | Construction | 2026 |
| Munch Market Johnston Ltd | Wholesale & retail | 2025 |
| Muzzy's Hospitality Ltd | Hospitality | 2025 |
| MV Studio Limited | Administrative & support | 2025 |
| MVA Lets Ltd. | Real estate | 2011 |
| My Office (Scotland) Limited | Administrative & support | 2004 |
| Mynova Reporting Services Ltd | Health & social care | 2026 |
| N G Builders and Marine Limited | Construction | 2020 |
| Nads Services Limited | Professional & scientific | 2015 |
| Naismith & Guinea Ltd | Construction | 2022 |
| Nanak Laundry Services Ltd | Other services | 2025 |
| Natularoo Ltd | Wholesale & retail | 2022 |
| NCG Testing and Consultancy Limited | Construction | 2017 |
| New Globe Bingo and Social Club Limited | Arts & recreation | 1964 |
| New Lands (Scotland) Limited | Water & waste | 2025 |
| New Street Bar (Trading) Limited | Hospitality | 2025 |
| Newton Residential Ltd | Real estate | 2022 |
| Next Level Property Partners Ltd | Real estate | 2026 |
| North Ayrshire Broadcasting Ltd | Information & communication | 2024 |
| Nroth Ltd | Wholesale & retail | 2022 |
| NS Property (Scotland) Ltd | Real estate | 2021 |
| Number 3 Snack House Ltd | Hospitality | 2015 |
| Occasio Parata Ltd | Wholesale & retail | 2026 |
| Odsign Ltd | Information & communication | 2023 |
| Offshore Wind Services Ltd | Professional & scientific | 2023 |
| Only Good Vibes Music Ltd | Wholesale & retail | 2020 |
| Opere Facto Ltd | Information & communication | 2018 |
| Optimumfc Ltd | Arts & recreation | 2021 |
| Opulence Bar & Restaurant Group Ltd | Hospitality | 2024 |
| Originel Limited | Administrative & support | 2009 |
| Ortus Facilities Management Limited | Administrative & support | 2014 |
| P & P Duff (Scotland) Limited | Other services | 1989 |
| P R Garage Roofing Ltd | Construction | 2019 |
| P Rasul Limited | Other services | 2017 |
| P&B Sports Ltd | Information & communication | 2008 |
| P&E Property Maintenance Ltd | Administrative & support | 2025 |
| PA Taxis Limited | Transport & logistics | 2021 |
| Padel X Ltd | Financial services | 2024 |
| Paisley Defence Lawyers (Scotland) Limited | Professional & scientific | 2018 |
| Paisley Kitchen and Bathroom Renovations Ltd | Construction | 2025 |
| Paisley Metal Recycling Ltd | Wholesale & retail | 2024 |
| Paisley Residential Limited | Real estate | 2026 |
| Pakind Ltd | Administrative & support | 2024 |
| Pass and Go Ltd | Education | 2023 |
| PATHWAY2NETZERO Ltd | Professional & scientific | 2020 |
| Paul Edgar Building Contracts Limited | Construction | 2020 |
| Paul Mcewan Associates Ltd | Professional & scientific | 2022 |
| Paws for a Day Ltd | Other services | 2023 |
| Paws for a Night Ltd | Other services | 2024 |
| Pawsitive Leads Ltd | Other services | 2023 |
| Pawz & Co Daycare Ltd | Agriculture & fishing | 2023 |
| Pawz & Co Grooming Ltd | Agriculture & fishing | 2023 |
| PCL Consulting Limited | Professional & scientific | 2024 |
| Pear Tree Process Ltd | Professional & scientific | 2024 |
| Pearl Properties (Scotland) Ltd | Real estate | 2024 |
| Pelicula Films Limited | Information & communication | 1971 |
| Peppercorn Solutions Limited | Information & communication | 2007 |
| Perfect Window Blinds Limited | Wholesale & retail | 2016 |
| Performance Vehicle Repair Ltd | Wholesale & retail | 2025 |
| Perry and Docherty Limited | Health & social care | 2025 |
| Peterswell Limited | Hospitality | 2023 |
| Pick Theory Ltd | Wholesale & retail | 2021 |
| Pinacotheca Architects Ltd | Professional & scientific | 2024 |
| PJ GORDON1 Limited | Real estate | 2019 |
| Platinum Window Blinds Ltd | Wholesale & retail | 2022 |
| Polly Property Ltd | Real estate | 2020 |
| Polnish Chapel Limited | Real estate | 2026 |
| POS Promotions Limited | Administrative & support | 2016 |
| Pour Brands Limited | Professional & scientific | 2016 |
| Premium Plasterers Ltd | Construction | 2023 |
| Preserve & Protect Limited | Wholesale & retail | 2020 |
| President Fire Solutions Ltd | Manufacturing | 2018 |
| Prime Vault Outlet Ltd | Wholesale & retail | 2025 |
| Primepath Recruitment Ltd | Administrative & support | 2024 |
| Primrose Quay Limited | Real estate | 2021 |
| Propercleanz Ltd | Extraterritorial | 2024 |
| Property Easy Limited | Real estate | 2024 |
| Property Investment Group Scotland Limited | Real estate | 2024 |
| PRQ Electrical&Property Services Ltd | Construction | 2010 |
| Punjabi at Johnston Ltd | Hospitality | 2022 |
| Punjabi Desserts Ltd | Hospitality | 2025 |
| Pure Sparkling Clean Ltd | Administrative & support | 2022 |
| Quarry Kartel Limited | Hospitality | 2025 |
| Quss Ltd | Wholesale & retail | 2023 |
| R J Aviation Ltd | Transport & logistics | 2014 |
| R W H Health & Safety Consultant Limited | Professional & scientific | 2022 |
| R. Williams Tree Services Ltd. | Administrative & support | 2021 |