| House O' Hill Wind Energy Limited | Energy | 2009 |
| Hyder Group Limited | Financial services | 2025 |
| Ibelieve Apparel Limited | Wholesale & retail | 2018 |
| Imagine in Greys Limited | Professional & scientific | 2026 |
| In-House Plants Limited | Wholesale & retail | 2019 |
| Infinite Fitness Ltd | Arts & recreation | 2022 |
| Insight Expedition Limited | Professional & scientific | 2010 |
| Inverscale Partners Limited | Professional & scientific | 2026 |
| Investments by Ormiston Ltd | Real estate | 2022 |
| Iqbal & Co Holdings Limited | Real estate | 2025 |
| Iqbal & Co Superstore Roslin Limited | Wholesale & retail | 2025 |
| Irvine Hydrogen Limited | Energy | 2026 |
| JDS Gardening Limited | Administrative & support | 2021 |
| JDS Group Holdings Limited | Financial services | 2025 |
| JDS Investments Edinburgh Ltd | Real estate | 2021 |
| JMK Partners Ltd | Professional & scientific | 2023 |
| Josh DOW Consulting Limited | Professional & scientific | 2025 |
| K S Stonemasonry Specialists Ltd | Construction | 2023 |
| Key Taxis Limited | Transport & logistics | 2005 |
| Khan Malak Ltd | Wholesale & retail | 2025 |
| Kikowell Ltd | Hospitality | 2020 |
| Knowles Taxis Ltd. | Professional & scientific | 2004 |
| Knox Technology Solutions Ltd | Information & communication | 2012 |
| Komic Brew Limited | Information & communication | 2014 |
| Krakow Homemade Ltd | Hospitality | 2025 |
| Kronn-Terra Ltd | Other services | 2025 |
| KS Project and Change Ltd | Professional & scientific | 2025 |
| L & M Lamont Limited | Wholesale & retail | 2020 |
| LA Maison Brune Companies Ltd | Hospitality | 2025 |
| Legal Renewables Limited | Professional & scientific | 2010 |
| LNW Consultancy Services Ltd | Professional & scientific | 2013 |
| Lorit Consultancy Ltd | Professional & scientific | 2014 |
| Lourado ,UK Ltd | Wholesale & retail | 2022 |
| M V Diagnostics Limited | Professional & scientific | 1999 |
| M&M Munir Ltd | Wholesale & retail | 2025 |
| Macplants Garden Centre Limited | Wholesale & retail | 2025 |
| Malcolm Mackenzie Consultancy Ltd. | Other services | 2021 |
| Marcin Kobus Haulage Ltd. | Transport & logistics | 2011 |
| Meadle Hydro Power Limited | Energy | 2015 |
| Medlane Holdings Ltd | Wholesale & retail | 2026 |
| Mela Digital Ltd | Information & communication | 2023 |
| Melrose Manicures Ltd | Other services | 2025 |
| Mercury Construction Management Ltd | Construction | 2019 |
| Merge Impact Limited | Information & communication | 2025 |
| Meridian Advisory & Consulting Ltd | Construction | 2026 |
| Metro Five Ltd | Wholesale & retail | 2023 |
| Miggie Investments Limited | Real estate | 2015 |
| Milly's Online Kitchen & Takeaway Limited | Hospitality | 2023 |
| Mind YOU Health & Wellbeing CIC | Public administration | 2021 |
| MKN Rentals Ltd | Professional & scientific | 2021 |
| Moderndwell Developments Ltd | Real estate | 2024 |
| Monklands Sporting Car Club Limited | Arts & recreation | 1998 |
| Moreira and SON Ltd | Administrative & support | 2018 |
| Moreira's Property Ltd | Real estate | 2018 |
| Morrison Buildings Ltd | Construction | 2026 |
| MPF Services UK Ltd | Mining & quarrying | 2020 |
| MW Car Care Ltd | Wholesale & retail | 2026 |
| N Gowrie Associates Limited | Information & communication | 2022 |
| Natura Educa Ltd | Education | 2026 |
| Neogen AI Ltd | Information & communication | 2026 |
| Network ROI EOT Limited | Administrative & support | 2017 |
| Newsplus Edinburgh Limited | Wholesale & retail | 2025 |
| Nickie Morrison Builder Ltd | Construction | 2024 |
| North East Drift Club Limited | Arts & recreation | 2024 |
| O.P Property Development’S Ltd | Real estate | 2024 |
| ON Site Generation Limited | Professional & scientific | 2008 |
| Optimal Hockey Coaching Limited | Education | 2024 |
| Organgebox Solutions Ltd | Transport & logistics | 2019 |
| P & LC (Edinburgh) Limited | Construction | 2017 |
| Packnship Pro Ltd | Transport & logistics | 2024 |
| Parentease Innovations Ltd | Wholesale & retail | 2023 |
| Partnersam Limited | Information & communication | 2023 |
| Pepperforpets Aquatic Solutions Ltd | Wholesale & retail | 2026 |
| Physio Further LLP | | 2026 |
| PI & DOU Properties Ltd | Real estate | 2023 |
| PIE Dolly Ltd | Hospitality | 2020 |
| Pixel Stag Ltd | Arts & recreation | 2013 |
| Prime Groundwork Group Limited | Construction | 2025 |
| Prism Speech and Language Therapy Ltd | Health & social care | 2026 |
| Provenway Accounting & Advisory Ltd | Professional & scientific | 2026 |
| Psychosensory Academy Ltd | Manufacturing | 2015 |
| Pyramid Construction Scotland Ltd | Construction | 2019 |
| Qualitas Clerk of Works Services Ltd | Construction | 2025 |
| R & G Brock ALL Trades Limited | Construction | 2022 |
| R and B Nursery Limited | Agriculture & fishing | 1999 |
| Ravelston BOW Ltd | Professional & scientific | 2021 |
| RB Stone Ltd | Manufacturing | 2023 |
| Rebecca Cheyne Locum Ltd | Health & social care | 2021 |
| Refreshing Scotland Ltd | Real estate | 2019 |
| Reliance Testing Limited | Information & communication | 2015 |
| Restoration Monitoring Limited | Administrative & support | 2022 |
| Revup Auto Limited | Transport & logistics | 2024 |
| Rewilding Medicine Ltd | Professional & scientific | 2024 |
| Reyes & Olah Ltd | Hospitality | 2024 |
| Roboticise Ltd | Information & communication | 2017 |
| Rosado Duran Limited | Professional & scientific | 2025 |
| Roslin Dental Practice Limited | Health & social care | 2024 |
| Roslin Glamping Ltd | Hospitality | 2021 |
| Roslin Health Care Limited | Wholesale & retail | 2017 |
| Roslin Inn Limited | Hospitality | 2001 |