| Plant Bar Limited | Wholesale & retail | 2020 |
| Plant Blonde Ltd | Manufacturing | 2020 |
| Planta Holding LP | | 2017 |
| Plarad UK Ltd. | Wholesale & retail | 2010 |
| Plastic Surgery West One Ltd. | Health & social care | 2002 |
| Plastic Universal LP | | 2012 |
| Platan Construction LP | | 2013 |
| Plate 957 Limited | Extraterritorial | 2006 |
| Plate and Table Ltd | Hospitality | 2018 |
| Plate Hire and Clean Limited | Hospitality | 2014 |
| Platecor International LP | | 2017 |
| Platform Health and Fitness Ltd | Arts & recreation | 2023 |
| Platform Investment Solutions Limited | Real estate | 2021 |
| Platformia Ltd | Financial services | 2024 |
| Platina Express L.P. | | 2010 |
| Platina I Carry L.P. | | 2006 |
| Platina II Carry L.P. | | 2007 |
| Platinum BIN Cleaning Ltd | Administrative & support | 2013 |
| Platinum Capital LP | | 2013 |
| Platinum Discovery Limited | Information & communication | 2018 |
| Platinum Glow LP | | 2014 |
| Platinum Ground-Care Ltd | Administrative & support | 2022 |
| Platinum Group DIS Ticaret Sirketi LP | | 2023 |
| Platinum Interiors Edinburgh Ltd | Construction | 2026 |
| Platinum Joinery Ltd | Construction | 2022 |
| Platinum Legacy Ltd | Financial services | 2025 |
| Platinum Motors Scotland Ltd | Wholesale & retail | 2020 |
| Platinum Properties Edinburgh Ltd | Real estate | 2026 |
| Platinum Property Portfolio Ltd | Real estate | 2025 |
| Platinum Restoration Services Limited | Administrative & support | 2024 |
| Platinum Roofing & Building Group Ltd | Construction | 2025 |
| Platinum Secondary RE ACS L.P. | | 2026 |
| Platinum Secondary RE ACS Master Blocker L.P. | | 2026 |
| Platinum Ventures LP | | 2016 |
| Platinum Wave Limited | Professional & scientific | 2008 |
| Platinum Works Joinery Limited | Construction | 2020 |
| Platon Media Partners LP | | 2016 |
| Platter Inter LP | | 2012 |
| Platypus Cards Ltd | Manufacturing | 2017 |
| Play Flex Limited | Arts & recreation | 2025 |
| Play Scotland | Education | 1999 |
| Play the World at Golf Ltd | Information & communication | 2026 |
| Play Vision Sports Broadcasting Ltd | Professional & scientific | 2024 |
| Play Works Edinburgh Ltd | Wholesale & retail | 2025 |
| Playable Labs Ltd | Professional & scientific | 2025 |
| Playable Technology Limited | Professional & scientific | 2020 |
| Playcus LP | | 2014 |
| Player One Sports & Entertainment Limited | Arts & recreation | 2024 |
| Playerdata Holdings Limited | Financial services | 2017 |
| Playerdata Limited | Administrative & support | 2017 |
| Playerslounge Esports Newco Ltd | Arts & recreation | 2018 |
| Playfair Holdings Limited | Administrative & support | 2016 |
| Playfair Hotel Edinburgh Limited | Hospitality | 2019 |
| Playfair JIU Jitsu Ltd | Arts & recreation | 2020 |
| Playfair Properties Limited | Construction | 1984 |
| Playfair Residences Limited | Real estate | 2019 |
| Playfair Scotland Ltd | Other services | 2017 |
| Playform Universal LP | | 2014 |
| Playlingo Ltd | Education | 2013 |
| Playmonk LP | | 2011 |
| Playtek Limited | Information & communication | 2022 |
| Playtek Technologies Limited | Information & communication | 2022 |
| Playup Consulting Ltd | Professional & scientific | 2026 |
| Plaza Title Limited | Professional & scientific | 2005 |
| Plazanote Invest LP | | 2013 |
| Pleasance Crossing Ltd | Professional & scientific | 2026 |
| Pleasance Property Management Limited | Real estate | 2022 |
| Pleasure Craft Ltd | Wholesale & retail | 2021 |
| Pledge Group Limited | Administrative & support | 2021 |
| Pleiades Consult Limited | Professional & scientific | 2013 |
| Pleiades Dynamics Ltd | Manufacturing | 2025 |
| Pleiandians LP | | 2017 |
| Pleney Prop Co Ltd | Real estate | 2024 |
| Plerion Trading Ltd | Wholesale & retail | 2023 |
| Plevris Medical Ltd | Health & social care | 2025 |
| Plewlands Property Ltd. | Real estate | 2020 |
| Plexton Trading LP | | 2015 |
| Plimwell Resources LP | | 2012 |
| Pline LP | | 2022 |
| Pling Ltd | Information & communication | 2014 |
| Plinthus Ltd | Real estate | 2022 |
| Plixo Commercial Ltd | Hospitality | 2025 |
| Plntd Health Ltd | Wholesale & retail | 2026 |
| Plosz Investments Ltd | Real estate | 2023 |
| Plotfolio Limited | Real estate | 2024 |
| Plph Properties Ltd | Real estate | 2026 |
| Plrb Props Ltd | Administrative & support | 2017 |
| Pluginpro Ltd | Wholesale & retail | 2024 |
| Plugsun Ltd | Construction | 2026 |
| Plum Jobs Advertising (Online) Limited | Administrative & support | 2017 |
| Plum Medical Ltd | Health & social care | 2021 |
| Plumb Solutions Plumbing and Heating Limited | Construction | 2021 |
| Plumbing and Heating Services (Tranent) Limited | Wholesale & retail | 1969 |
| Plumbing Pensions (U.K.) Administration Limited | Financial services | 1974 |
| Plumbing Pensions (U.K.) Limited | Financial services | 1974 |
| Plumbing Pensions Employers Limited | Other services | 2022 |
| Plumbing Pensions Nominee Limited | Financial services | 2014 |
| Plumbytes Software LP | | 2014 |
| Plume.Candles Ltd | Manufacturing | 2021 |
| Plumpipe Ltd | Construction | 2020 |