| IJ Mart Ltd | Wholesale & retail | 2025 |
| Ijas Holdings Ltd | Financial services | 2025 |
| Ijikoo Ltd | Information & communication | 2020 |
| IJJ Morningside Ltd | Wholesale & retail | 2018 |
| IJP Investment Management Ltd | Extraterritorial | 2011 |
| IJP Property Investments Ltd | Real estate | 2022 |
| IK 2007 Co-Invest L.P. | | 2007 |
| IK Building&Landscaping Limited | Manufacturing | 2025 |
| IK Consulting International LP | | 2024 |
| IK VII Feeder LP | | 2012 |
| IK VII FP, L.P. | | 2011 |
| IK VII Staff Co-Invest LP | | 2012 |
| IK VII Swedish LP | | 2012 |
| Ikad Architects Ltd | Professional & scientific | 2016 |
| Ikamper UK Ltd | Wholesale & retail | 2017 |
| IKH Group LP | | 2014 |
| Ikigai Soul Food Ltd | Hospitality | 2021 |
| IKM945 Ltd | Wholesale & retail | 2026 |
| Ikon Integrated Solutions Limited | Financial services | 1998 |
| Ikon Lettings EDI Ltd | Real estate | 2024 |
| IKS Consulting Services LP | | 2016 |
| Ikurus SP | | 2001 |
| IL Day LP | | 2022 |
| IL Fruttivendolo Limited | Wholesale & retail | 2020 |
| Ilaara Maison Limited | Wholesale & retail | 2025 |
| Ilan L.P. | | 2015 |
| ILC Therapeutics Ltd | Professional & scientific | 2012 |
| ILH Properties Ltd | Real estate | 2020 |
| ILI (Wellgreen) Limited | Professional & scientific | 2011 |
| Ilight Media LP | | 2014 |
| Illiad International LLP | | 2007 |
| Illumes Sphere Ltd | Wholesale & retail | 2015 |
| Illuminate Early Growth Participations GP LLP | | 2024 |
| Illuminate Early Growth Participations LP | | 2024 |
| Illuminations Transport Services Ltd. | Transport & logistics | 2009 |
| Illumine Steel LP | | 2016 |
| Illusion Mania LP | | 2015 |
| Ilmacymi LP | | 2025 |
| Ilonet Prom LP | | 2017 |
| Ilovemysports Ltd | Manufacturing | 2024 |
| ILS Commercial Ltd | Real estate | 2018 |
| ILS Legal Services Ltd | Professional & scientific | 2017 |
| Ilyas Javaid for Services Ltd | Other services | 2024 |
| Ilyzine Ltd | Arts & recreation | 2025 |
| IM Cloud Accounting Ltd | Professional & scientific | 2020 |
| IM Education LP | | 2017 |
| IM Software Testing Limited | Information & communication | 2015 |
| IMA Assets & Investments Ltd | Real estate | 2013 |
| IMA International Associates | | 1992 |
| IMA Property Ltd | Real estate | 2023 |
| Image Estates Limited | Administrative & support | 2000 |
| Imaginaction Ltd | Professional & scientific | 2021 |
| Imaginate | Arts & recreation | 1989 |
| Imagine Scotland Limited | Administrative & support | 2002 |
| Imagine Ventures Ltd | Information & communication | 2019 |
| Imaging Intelligence Limited | Information & communication | 2004 |
| Imajine Scotland Ltd | Construction | 2020 |
| Imani Consultancy Ltd | Professional & scientific | 2008 |
| Imates Limited | Wholesale & retail | 2023 |
| IMB FS Consulting Ltd | Professional & scientific | 2018 |
| Imbaze Industries LP | | 2013 |
| IMC Admin Ltd | Professional & scientific | 2024 |
| IMC Plumbing Ltd | Construction | 2019 |
| IMC Stonemasons Limited | Administrative & support | 2017 |
| Imcd Holdings Limited | Real estate | 2026 |
| Imcs (Independent Marine Consultants and Surveyors) LP | | 2021 |
| Imcs International LP | | 2020 |
| IMD5 Medicals Limited | Health & social care | 2023 |
| IME DJK Group Ltd | Real estate | 2015 |
| Imediagrowth Ltd | Professional & scientific | 2026 |
| Imes SOL LP | | 2010 |
| Imex Corporation Limited | Financial services | 2022 |
| Imex Standard LP | | 2016 |
| Imex Technology LP | | 2012 |
| Imexchinafashion LP | | 2016 |
| Imexfort L.P. | | 2014 |
| IMF Structural Engineering Ltd | Professional & scientific | 2019 |
| Imfest Grandloyal LP | | 2012 |
| IMI by Imogen Evans Ltd | Wholesale & retail | 2019 |
| IMI Scotland Limited | Administrative & support | 2010 |
| IMJ Investments Ltd | Real estate | 2023 |
| Immanuels Enterprises Ltd | Hospitality | 2025 |
| Immensee Project LP | | 2017 |
| Immernova Ltd | Manufacturing | 2018 |
| Immersive Edge Limited | Professional & scientific | 2017 |
| Immobel Carry LP | | 2022 |
| Immobilier Ltd | Professional & scientific | 2018 |
| Immortal Sisterhood Live Ltd. | Arts & recreation | 2025 |
| Imms Alarm Systems Limited | Construction | 2024 |
| Imms Fire & Security Group Ltd | Construction | 2023 |
| Imms Fire & Security Ltd | Construction | 2019 |
| Imogen Mcdonald Ltd | Other services | 2023 |
| Imoksha Limited | Real estate | 2010 |
| Imona Corporation LP | | 2017 |
| Impact First Nominees Limited | Professional & scientific | 2017 |
| Impact Investment Academy Ltd | Education | 2023 |
| Impact Investment Scotland Limited | Financial services | 2024 |
| Impact Scotland Trading Limited | Other services | 2017 |
| Impact Ventures Scotland Limited | Financial services | 2018 |
| IMPACT360 Mindset & Business Coaching LP | | 2025 |