| Impala Capital LP | | 2017 |
| Impala Energy Carry LP | | 2019 |
| Impast LP | | 2014 |
| Impax Carried Interest Partner (GP) Limited | Extraterritorial | 2005 |
| Impax Carried Interest Partner II (GP) Limited | Professional & scientific | 2009 |
| Impax Carried Interest Partner II LP | | 2009 |
| Impax Carried Interest Partner LP | | 2005 |
| Impeccable Pro Limited | Wholesale & retail | 2021 |
| Imperia Group LP | | 2016 |
| Imperia Traders LP | | 2014 |
| Imperial Acquisitions L.P. | | 2010 |
| Imperial Corporate Group LP | | 2016 |
| Imperial Corporate Holdings LP | | 2016 |
| Imperial Installation Services Ltd | Construction | 2018 |
| Imperial Landscaping & Builders Ltd. | Other services | 2025 |
| Imperial Merchant FZE LP | | 2017 |
| Imperial Merchants L.P. | | 2009 |
| Imperial Networks L.P. | | 2010 |
| Imperial Palace Chinese Restaurant Ltd | Hospitality | 2023 |
| Imperial Roofing and Building Ltd | Construction | 2026 |
| Imperium JPN Ltd | Transport & logistics | 2023 |
| Imperton Impex LP | | 2016 |
| Impex Alliance LP | | 2016 |
| Impex Petroleum LP | | 2011 |
| Impex Power LP | | 2014 |
| Impex Services Alliance LP | | 2012 |
| Impexive Ltd | Wholesale & retail | 2022 |
| Implantsdentist Ltd | Health & social care | 2018 |
| Implementation Management Partners Ltd | Professional & scientific | 2021 |
| Implex International Limited | Wholesale & retail | 2017 |
| Implus LP | | 2014 |
| Imply Limited | Wholesale & retail | 2019 |
| Implypro Ltd | Wholesale & retail | 2024 |
| Impom Corporation LP | | 2017 |
| Import & Export Direct LP | | 2015 |
| Import Agent LP | | 2017 |
| Import Boutique LP | | 2014 |
| Import/Export Corporation L.P. | | 2011 |
| Import/Export Sales L.P. | | 2014 |
| Importex Global LP | | 2012 |
| Impostor Florist Limited | Wholesale & retail | 2024 |
| Imprenta LP | | 2015 |
| Impresa Metgroup LP | | 2016 |
| Impress International Media Ltd. | Professional & scientific | 2000 |
| Impressions Design & Print Ltd | Manufacturing | 2023 |
| Impressum Europe LP | | 2011 |
| Impreza Computer Services Limited | Information & communication | 1998 |
| Imrm Management Ltd | Extraterritorial | 2010 |
| IMS Health Scottish LP | | 2011 |
| Imtiaz ALI & Co. Limited | Real estate | 1993 |
| Imukno Ltd | Manufacturing | 2024 |
| Imultiply Resourcing Ltd | Administrative & support | 2012 |
| Imus Ltd | Real estate | 2020 |
| IMV Innovations Limited | Wholesale & retail | 2024 |
| IMY Investments Ltd | Real estate | 2015 |
| Imzome Investments | Administrative & support | 2026 |
| IN Acoustical Consulting Ltd | Professional & scientific | 2024 |
| IN Alto Web Ltd | Information & communication | 2024 |
| IN Bloom Studio Limited | Wholesale & retail | 2020 |
| IN Conference Limited | Administrative & support | 1990 |
| IN Good Company Productions Ltd | Information & communication | 2025 |
| IN My Neighbourhood CIC | Other services | 2025 |
| IN Other Words Ltd | Wholesale & retail | 2022 |
| IN Pinn Ltd | Financial services | 2026 |
| IN Safe Hands Security Ltd | Financial services | 2019 |
| IN Spirit and in Truth Evangelic Ministries Limited | Other services | 2008 |
| IN the Black Accountancy Ltd | Professional & scientific | 2020 |
| IN the Moment Experiences Ltd | Professional & scientific | 2025 |
| IN Touch Services Ltd | Administrative & support | 2024 |
| IN Touch Travel LP | | 2015 |
| IN Trading LP | | 2014 |
| In-Depth Technologies Ltd. | Other services | 2017 |
| IN2 Planning Limited | Financial services | 1997 |
| IN2MINDS Health & Social Enterprise Support Ltd | Administrative & support | 2022 |
| Inactra Ltd | Information & communication | 2026 |
| Inai RX Solutions Ltd | Wholesale & retail | 2025 |
| Inamour LP | | 2019 |
| Inappertising LP | | 2015 |
| Inatecs International LP | | 2015 |
| Inberg Corporation LP | | 2014 |
| Inbull LP | | 2016 |
| Inca Hair Extensions Ltd. | Other services | 2024 |
| Incentive Games Limited | Information & communication | 2019 |
| Incentive Holdings Limited | Information & communication | 2019 |
| Inceptio UK Limited | Professional & scientific | 2021 |
| Inch Cape Offshore Holdings Limited | Administrative & support | 2020 |
| Inch Cape Offshore Limited | Administrative & support | 2010 |
| Inch Kenneth Kajang Rubber Public Limited Company | Administrative & support | 1910 |
| Inch Park (Trading) Limited | Arts & recreation | 2008 |
| Inch Park Community Sports Club | Arts & recreation | 2008 |
| Inch Properties Ltd | Real estate | 2015 |
| Inch Trading Limited | Wholesale & retail | 2019 |
| Inchcape Investments and Asset Management Limited | Professional & scientific | 1988 |
| Inchcolm Distillery Ltd | Manufacturing | 2021 |
| Inchcolm Land Limited | Real estate | 2010 |
| Inchcraft Limited | Professional & scientific | 2002 |
| Inchmarnock Limited | Administrative & support | 2001 |
| Inchstelly Farms Limited | Agriculture & fishing | 1949 |
| Inchwest Limited | Professional & scientific | 2002 |
| Incian Impex LP | | 2016 |