| KBM Resourcing Ltd | Administrative & support | 2008 |
| Kenmore Access & Inspection Ltd | Other services | 2014 |
| Kenmore Quarry Limited | Hospitality | 2012 |
| Kevs Garage Ltd | Wholesale & retail | 2025 |
| Leighton Solutions Limited | Construction | 2025 |
| Loch TAY Hikers CIC | Health & social care | 2024 |
| Lumsden Hall Design Ltd | Professional & scientific | 2026 |
| LWS 56 Limited | Construction | 2008 |
| M.G.M. Consultancy Limited | Real estate | 2000 |
| Macintyre Wealth Management Ltd | Financial services | 2018 |
| Margmore Enterprises Ltd | Agriculture & fishing | 2024 |
| Marvex Limited | Information & communication | 2025 |
| Mckenzie Strickland Associates Limited | Professional & scientific | 2003 |
| Milne's Brae Limited | Hospitality | 2022 |
| Moness Group Limited | Hospitality | 1999 |
| Mrloop Ltd. | Information & communication | 2013 |
| Muhammad Rohan Rashid Ltd | Wholesale & retail | 2025 |
| Muse Design Limited | Professional & scientific | 2009 |
| Nettwind Limited | Administrative & support | 2015 |
| Nick's Fencing Ltd | Construction | 2026 |
| Nigel Stacy-Marks Limited | Hospitality | 1994 |
| Northwood Portfolio Limited | Real estate | 2021 |
| Old Castle Wood Limited | Agriculture & fishing | 2004 |
| Oppenheim Thoroughbred Consulting Ltd | Agriculture & fishing | 2003 |
| Panda Sleuth Ltd | Manufacturing | 2021 |
| PEA MCG Ltd | Financial services | 2019 |
| Perthshire Open Studios Community Interest Company | Arts & recreation | 2015 |
| Pitilie Limited | Transport & logistics | 2003 |
| Portbane Ltd | Construction | 2023 |
| Property Investment Portfolio (UK and Ireland) Ltd | Real estate | 2019 |
| Quads Scotland Ltd | Arts & recreation | 2017 |
| Rancel Contracts Limited | Construction | 2019 |
| Rapid Car Sales Scotland Ltd | Wholesale & retail | 2023 |
| Riverside Aberfeldy Limited | Arts & recreation | 2025 |
| Riverside Aberfeldy Restaurant Limited | Hospitality | 2025 |
| RM7 Ltd | Professional & scientific | 2021 |
| Robertson Whisky Consultancy Limited | Professional & scientific | 2012 |
| Rolling River Publications Limited | Information & communication | 1996 |
| Ross Holiday Homes Limited | Hospitality | 2001 |
| RUN2EVENTS Ltd | Arts & recreation | 2019 |
| Schiehallion Consultancy Services Limited | Professional & scientific | 2013 |
| Schiehallion Hotel & Bar Ltd | Hospitality | 2010 |
| Sean Campbell Building Services Ltd | Construction | 2020 |
| Skorpa Ecology Ltd | Professional & scientific | 2014 |
| Smart Kitchen Perthshire Limited | Hospitality | 2025 |
| Splash Rafting Limited | Arts & recreation | 2022 |
| Still Going Strong Ltd. | Arts & recreation | 2017 |
| Strathtay Developments Limited | Construction | 2004 |
| Strathtay HV Ltd | Professional & scientific | 2025 |
| Streamai Ltd | Information & communication | 2021 |
| Stuart Wright Care Ltd | Health & social care | 2014 |
| SUJEE1 Ltd | Wholesale & retail | 2023 |
| Sunless Horizon Ltd | Information & communication | 2025 |
| Take the Piece Limited | Hospitality | 2019 |
| Tatton Pharm Ltd | Professional & scientific | 2024 |
| Taybank Holdings Limited | Construction | 2025 |
| Taymouth Executive Car Hire Ltd | Transport & logistics | 2023 |
| Taymouth Leisure Limited | Real estate | 2002 |
| Taymouth Marina Limited | Hospitality | 2003 |
| TEC Farragon Limited | Hospitality | 2013 |
| TEC Offshore Limited | Manufacturing | 2006 |
| THE Caledonian Touring Club (Management) Ltd | Other services | 2025 |
| THE Farleyer Nomad Ltd | Financial services | 2022 |
| THE Glasgow Agricultural Society | Other services | 2006 |
| THE Highland Trading Company Ltd. | Professional & scientific | 1993 |
| THE JMF LP | | 2013 |
| THE Plaice in Square Ltd | Hospitality | 2023 |
| THE Scottish Crannog Centre Trust | Education | 1988 |
| THE Weem Trading Company Ltd. | Hospitality | 2013 |
| Theepisujee Ltd | Wholesale & retail | 2025 |
| Third EYE Strategic Consulting Ltd | Professional & scientific | 2023 |
| Third Variable Ltd | Information & communication | 2025 |
| Thomson Developments (West Park) Ltd | Extraterritorial | 2022 |
| Thomson Timber Services (Perthshire) Ltd | Agriculture & fishing | 2025 |
| Three Lemons Catering Limited | Hospitality | 2024 |
| Three Lemons Limited | Hospitality | 2024 |
| Three Lemons Terrace Limited | Hospitality | 2025 |
| Tina Logan Yoga Ltd | Health & social care | 2022 |
| Tm-Xs Underwater Adventures Ltd | Professional & scientific | 2011 |
| Toby Neilson Consultancy Ltd | Professional & scientific | 2025 |
| Tombreck Farming LLP | | 2018 |
| True Grit Events Ltd | Arts & recreation | 2016 |
| Ubhal-Ghort Beag AIG Fearnan Ltd | Agriculture & fishing | 2025 |
| Ultimate Limits Rope Access Ltd. | Construction | 2013 |
| Ultraclean Systems (UK) Limited | Professional & scientific | 2007 |
| Urlar Farm | | 1997 |
| WEE Tattie Studios Ltd | Information & communication | 2024 |
| Weem Rock Rentals Ltd | Hospitality | 2022 |
| Windburn 2 Limited | Administrative & support | 2021 |
| Your Investment Hub Ltd | Construction | 2025 |