| Isabella PUB Co Limited | Other services | 2022 |
| Isass Ltd | Professional & scientific | 2015 |
| Ishanetech Ltd | Other services | 2025 |
| ISI Operations Ltd | Construction | 2023 |
| Isis Retail Limited | Professional & scientific | 1995 |
| Islamic Finance Consultants Limited | Professional & scientific | 2022 |
| Island Cars Ltd | Transport & logistics | 2017 |
| Island Creatures Limited | Manufacturing | 2022 |
| Islandvibe Spice Company Ltd | Manufacturing | 2026 |
| Ismeu Limited | Wholesale & retail | 2026 |
| Isoline Partners L.P. | | 2016 |
| Isolux Commerce L.P. | | 2012 |
| ISP Cloud Solution Data Processing Network L.P. | | 2015 |
| ISP Wholesale Ltd | Wholesale & retail | 2017 |
| Istanbulie Polish Kebab House Ltd | Hospitality | 2025 |
| IT Group Electrical Services Ltd | Construction | 2021 |
| IT Screens Ltd | Wholesale & retail | 2018 |
| Italian Lovers Ltd | Education | 2025 |
| Italian Pizzeria & Curry Ltd | Hospitality | 2020 |
| Italren Ltd | Professional & scientific | 2023 |
| ITC (Scotland) Limited | Hospitality | 2005 |
| Itchy COO Creative Limited | Information & communication | 2017 |
| Itelsor Limited | Real estate | 1984 |
| Iterum Consulting Ltd | Professional & scientific | 2023 |
| Ittie Limited | Information & communication | 2018 |
| Itwa Properties Limited | Real estate | 2014 |
| Ivata Limited | Education | 1996 |
| IVO Courier Service Ltd | Transport & logistics | 2016 |
| IVO Flooring Ltd | Construction | 2026 |
| Ivst Ltd | Administrative & support | 2024 |
| IW Contracts Ltd | Real estate | 2013 |
| Iws-Itmc LP | | 2016 |
| J & E Nominees Limited | Real estate | 2002 |
| J & G Discount Doors Ltd | Wholesale & retail | 2022 |
| J & I Scaffolding Limited | Construction | 1995 |
| J & J Cafe Dundee Ltd | Hospitality | 2025 |
| J & J Classics Ltd | Other services | 2020 |
| J & J Grant Limited | Agriculture & fishing | 2019 |
| J & O Holdings Limited | Financial services | 2018 |
| J & R Navarro Properties Ltd | Real estate | 2022 |
| J & T Empire Ltd | Construction | 2017 |
| J and R Harley Limited | Administrative & support | 2015 |
| J B B Couriers Limited | Transport & logistics | 2016 |
| J C B Couriers Ltd | Transport & logistics | 2022 |
| J C Hague Limited | Transport & logistics | 2013 |
| J Duncan Limited | Agriculture & fishing | 2023 |
| J E Property Scotland Limited | Real estate | 2025 |
| J Elder Electrical Ltd | Construction | 2025 |
| J Ferguson Pipefitting Limited | Administrative & support | 2015 |
| J HOY Ltd | Transport & logistics | 2026 |
| J K Hospitality PVT Ltd | Hospitality | 2026 |
| J K Technology Consultancy Limited | Information & communication | 2022 |
| J Loughran Joinery Limited | Construction | 2026 |
| J M Mechanical Solutions Ltd | Professional & scientific | 2022 |
| J Mann Joiners Ltd | Construction | 2015 |
| J P OIL (UK) Limited | Professional & scientific | 2007 |
| J Petrie Electrical Ltd | Construction | 2023 |
| J Roberts & Sons Crieff Limited | Manufacturing | 2020 |
| J Rock Construction Limited | Construction | 2025 |
| J Ross IT Limited | Information & communication | 2013 |
| J W Contract Scotland Ltd | Construction | 2025 |
| J Wood Construction Ltd | Construction | 2015 |
| J&A Murray Motor Engineers Ltd | Wholesale & retail | 2017 |
| J&A Stores Ltd | Wholesale & retail | 2025 |
| J&B Cakes & Catering Services Ltd. | Manufacturing | 2024 |
| J&D UK Properties Limited | Construction | 2021 |
| J&D Ventures Limited | Other services | 2024 |
| J&E Dundee Ltd | Real estate | 2023 |
| J&F Angus Limited | Real estate | 2022 |
| J&J Fitness Ltd | Manufacturing | 2023 |
| J&Js Hot and Cold Food Ltd | Hospitality | 2023 |
| J&K Richardson Ltd | Wholesale & retail | 2014 |
| J&L Leisure Ltd | Hospitality | 2018 |
| J&L Property Consultants Ltd | Other services | 2020 |
| J&R Flooring Contractors Ltd | Construction | 2025 |
| J&R Scotland Ltd | Water & waste | 2024 |
| J&S Couriers Ltd. | Transport & logistics | 2014 |
| J&S Prestige Ltd | Wholesale & retail | 2020 |
| J&S Sandeman Ltd | Real estate | 2019 |
| J&S Services (NE) Limited | Professional & scientific | 2025 |
| J-Rao Limited | Manufacturing | 2017 |
| J. D. Minto Limited | Administrative & support | 1998 |
| J. Hodgson Management Services Limited | Professional & scientific | 1992 |
| J.A.M.S. Carlogie Limited | Real estate | 2019 |
| J.A.R. Investments Limited | Real estate | 2012 |
| J.E.B. Surveys Ltd | Professional & scientific | 2013 |
| J.Haggerty Engineering Ltd | Manufacturing | 2016 |
| J.J.K Logistics Ltd | Transport & logistics | 2025 |
| J.M.I Scotland Limited | Real estate | 2026 |
| J.R. Power Transmission Scotland Limited | Wholesale & retail | 1992 |
| J.R.M. (Scotland) Ltd. | Real estate | 1993 |
| J.S. Industrial Services Ltd | Professional & scientific | 2020 |
| J9TKO Taxis Limited | Transport & logistics | 2021 |
| JA Marketing & Communications Ltd | Professional & scientific | 2023 |
| Jaaff Mini Market Ltd | Wholesale & retail | 2026 |
| Jaap Properties Limited | Real estate | 2024 |
| JAB Legal Ltd | Professional & scientific | 2016 |
| Jack 1 2 3 Properties Limited | Real estate | 2002 |
| Jack Dyer Ltd | Transport & logistics | 2023 |
| Jackson Property Scotland Limited | Real estate | 2022 |