| Intellectverse Global Ltd | Information & communication | 2025 |
| Intellifuture Tech Ltd. | Wholesale & retail | 2024 |
| Intelligence Star Ltd | Information & communication | 2025 |
| Intelplan Ltd | Professional & scientific | 2026 |
| Intense Horizons Commercial LLP | | 2025 |
| Intense Horizons Ltd | Construction | 2025 |
| Interact Global Consulting Ltd | Wholesale & retail | 2025 |
| Intercar Delivery Ltd | Wholesale & retail | 2024 |
| Intercontinental Eduresearch Consult Limited | Information & communication | 2021 |
| Interdock Limited | Other services | 2017 |
| Interfocus Limited | Manufacturing | 1988 |
| International Business & Management Services Ltd | Information & communication | 2022 |
| International Eurasian Academy UK Centre | Administrative & support | 2026 |
| International Events Inc Ltd | Administrative & support | 2022 |
| International Human Rights Consultants Limited | Professional & scientific | 2019 |
| International Industrial Transmission Co., Ltd | Manufacturing | 2008 |
| International Legal Firm & Partners Ltd | Information & communication | 2025 |
| International License Ltd | Information & communication | 2021 |
| International Linkage Trade Ltd | Wholesale & retail | 2024 |
| International Memetics Ltd | Information & communication | 2025 |
| International Pathways Centre UK Ltd | Education | 2025 |
| International Pediatric Endocrine Corporation Ltd | Information & communication | 2026 |
| International Publication Ltd | Information & communication | 2025 |
| International Research & Development Consulting Limited | Professional & scientific | 2020 |
| International Swimming Academy Ltd | Education | 2016 |
| International Swimming Academy Stars Limited | Education | 2016 |
| International Treasury Management Ltd | Financial services | 2025 |
| International Union for Diplomatic Relations and Facilities Security Limited | Professional & scientific | 2026 |
| Interstellar Solutions Ltd | Professional & scientific | 2021 |
| Interstellar Ãurora Ltd | Wholesale & retail | 2025 |
| Intervision Global Ecom Ltd | Wholesale & retail | 2021 |
| Intervision Global Ltd | Manufacturing | 2004 |
| Intervision UK Holdings Ltd | Financial services | 2025 |
| Inting Technologies UK Ltd | Information & communication | 2026 |
| Intra Conspectum CIC | Education | 2025 |
| Intres ADVISORY2 Ltd | Professional & scientific | 2020 |
| Introdisk Ltd | Information & communication | 2021 |
| Intuitive HB Limited | Information & communication | 2025 |
| Inundant Ltd | Wholesale & retail | 2025 |
| Inventix Holding Limited | Financial services | 2021 |
| Inventory Unlocked Ltd | Manufacturing | 2026 |
| Invest I. Time Ltd | Financial services | 2025 |
| Investment Provisions Ltd | Real estate | 2021 |
| Involutesystems Limited | Wholesale & retail | 2025 |
| Invoxa Tech Ltd | Information & communication | 2026 |
| Inwonder Studio Ltd | Information & communication | 2025 |
| Inzenity Ltd | Health & social care | 2024 |
| Ioannis Tsetouras Ltd | Extraterritorial | 2022 |
| Iolaire Strategy Limited | Professional & scientific | 2025 |
| Iorv Uguy Trading Limited | Wholesale & retail | 2025 |
| Iosystems Ltd | Information & communication | 2025 |
| Ipcheckbox Ltd | Information & communication | 2025 |
| Ipixelp Ltd | Information & communication | 2023 |
| Ipsmax Business Consultants Ltd. | Professional & scientific | 2022 |
| IQ365 Group Ltd | Information & communication | 2026 |
| IRC Capital Ltd | Financial services | 2019 |
| Ireloice Support Ltd | Information & communication | 2024 |
| Irimitech Ltd | Professional & scientific | 2018 |
| Irina Holliday Consultancy Limited | Professional & scientific | 2025 |
| Iris Echo Ltd | Wholesale & retail | 2025 |
| Iriscal Ltd | Transport & logistics | 2026 |
| Iromda Ltd | Extraterritorial | 2024 |
| Iron Cat Limited | Information & communication | 2016 |
| Iron Click Ltd | Information & communication | 2024 |
| Iroydo Ltd | Extraterritorial | 2024 |
| Irvan Management Ltd | Professional & scientific | 2023 |
| IS Business and Finance Ltd | Professional & scientific | 2011 |
| IS IT Kadhal Ltd | Information & communication | 2023 |
| Isca-Rf Technologies Ltd | Professional & scientific | 2019 |
| Iscm Business Consulting UK Ltd | Professional & scientific | 2025 |
| Isencea Limited | Agriculture & fishing | 2019 |
| Isioma Daniel Limited | Information & communication | 2025 |
| Islamic Treasurers Ltd | Education | 2025 |
| Islandsfm Ltd. | Information & communication | 2004 |
| Isle Fond Equipment Limited | Wholesale & retail | 2016 |
| Isler Estates Ltd | Real estate | 2025 |
| Islet Music LLP | | 2021 |
| Isolite International Lines Ltd | Wholesale & retail | 2025 |
| Isovitality Nutriceuticals Limited | Manufacturing | 2016 |
| Israel Dolpler Biotechnology Group Co., Limited | Extraterritorial | 2025 |
| Israel Eipuri Fine Chemical Group Ltd | Mining & quarrying | 2020 |
| Israel Hafa Willson Chemical Industry Co., Ltd. | Extraterritorial | 2025 |
| Israel Haifa Sipule Crop Nutrition (Europe) Limited | Administrative & support | 2021 |
| Israel ICL Agricultural Chemical (Europe) Limited | Administrative & support | 2016 |
| Israel Jiusheng Fertilizer Co., Ltd | Wholesale & retail | 2022 |
| Israel Liwell Chemical Co., Ltd | Mining & quarrying | 2022 |
| Istc Agrobiotech Ukraine Limited | Extraterritorial | 2022 |
| Istchoice IS Network Technology Co., Ltd | Wholesale & retail | 2025 |
| Isteerad Traders Limited | Wholesale & retail | 2026 |
| Istraptic Ltd | Wholesale & retail | 2025 |
| IT Digitrix Ltd | Wholesale & retail | 2024 |
| IT Enterprise Business Solutions Limited | Professional & scientific | 2008 |
| IT Solutions Consultancy Ltd | Information & communication | 2016 |
| ITA Traders Limited | Wholesale & retail | 2026 |
| Itad International Limited | Professional & scientific | 2026 |
| Italianstore Limited | Wholesale & retail | 2023 |
| Italy D5 Group Limited | Extraterritorial | 2025 |
| Italy Frazee's Holding Group Limited | Extraterritorial | 2018 |
| Italy GYG International Holding Group Limited | Extraterritorial | 2018 |
| Italy Ross Rayer Electric Limited | Wholesale & retail | 2025 |