| Hyderabadi Express Ltd | Hospitality | 2025 |
| Hyderabadi Nawaab Limited | Hospitality | 2023 |
| Hydery Motor Limited | Wholesale & retail | 2024 |
| Hydrogen Economy Solution Limited | Professional & scientific | 2022 |
| Hydrotherapy Ltd | Health & social care | 2023 |
| Hyend Cleaners Ltd | Administrative & support | 2019 |
| Hygi Cat Limited | Wholesale & retail | 2024 |
| Hyglo Hygiene Ltd | Wholesale & retail | 2025 |
| Hylsop Services Ltd | Professional & scientific | 2016 |
| Hylt Homes Ltd | Real estate | 2023 |
| Hyman & Sons Properties Ltd | Real estate | 2023 |
| Hype Signs Ltd | Extraterritorial | 2018 |
| Hypemall Media Ltd | Wholesale & retail | 2026 |
| Hyper Elevating Ltd | Information & communication | 2023 |
| Hyper Properties Consortium Ltd | Real estate | 2024 |
| Hyper Resource Limited | Wholesale & retail | 2023 |
| Hyper Techteam Ltd | Wholesale & retail | 2018 |
| Hyperion Financial Services Ltd | Professional & scientific | 2023 |
| Hypers Collection Ltd | Wholesale & retail | 2023 |
| Hypezone Ltd | Wholesale & retail | 2026 |
| Hypnosis Expert Ltd | Health & social care | 2022 |
| HZI Properties Ltd | Real estate | 2020 |
| I & a Accountants Limited | Professional & scientific | 2026 |
| I & I Investments Limited | Real estate | 2021 |
| I & R Insure Group Ltd | Wholesale & retail | 2026 |
| I - Care Group Ltd | Financial services | 2024 |
| I AM Nature Ltd | Manufacturing | 2026 |
| I and F Consulting Limited | Information & communication | 2011 |
| I and M Pallet Services Limited | Water & waste | 2012 |
| I C Carpentry London Ltd | Construction | 2015 |
| I E-Commerce Limited | Wholesale & retail | 2022 |
| I Hussain & Co Limited | Professional & scientific | 2012 |
| I LET Properties (Luton) Ltd | Administrative & support | 2017 |
| I N a M a Limited | Real estate | 2024 |
| I N Properties (Europe) Limited | Real estate | 2018 |
| I Pro Clean Ltd | Administrative & support | 2023 |
| I S Investments Limited | Administrative & support | 2017 |
| I S Property Limited | Real estate | 2022 |
| I Siyanbola Limited | Construction | 2019 |
| I Want to Believe Limited | Administrative & support | 2023 |
| I&A Distribution Ltd | Transport & logistics | 2019 |
| I&A Investment Holdings Ltd | Real estate | 2025 |
| I&Atechsolutions Ltd | Information & communication | 2023 |
| I&F Roman Fixing Limited | Construction | 2016 |
| I&Flo Ltd | Construction | 2025 |
| I&J Designs Limited | Professional & scientific | 2001 |
| I&M Stores Ltd | Wholesale & retail | 2022 |
| I&S Merchandising Ltd | Wholesale & retail | 2025 |
| I-Capitalise Limited | Financial services | 2012 |
| I-Occupy Holdings Limited | Financial services | 2025 |
| I-Occupy Limited | Real estate | 2011 |
| I-Simplify Properties Limited | Real estate | 2016 |
| I-Simplify Solutions Limited | Information & communication | 2010 |
| I-Trust Consultancy Ltd | Information & communication | 2021 |
| I. EZE Ltd | Real estate | 2025 |
| I. Llewellyn & Co. Limited | Manufacturing | 1983 |
| I.K Transport Solutions Ltd | Transport & logistics | 2023 |
| I.K.H Engineering Limited | Professional & scientific | 2024 |
| I.Q.U Holdings Ltd | Administrative & support | 2023 |
| I.S. Tiling Ltd | Construction | 2023 |
| I.T Management Corp Limited | Information & communication | 2018 |
| I.T.Surveillance Ltd | Information & communication | 2023 |
| I12 Limited | Real estate | 2022 |
| I3 PCO Hire Ltd | Administrative & support | 2026 |
| I3 Property Group Ltd | Real estate | 2026 |
| I3 Simulations Ltd | Information & communication | 2019 |
| I3C Limited | Information & communication | 2025 |
| I4X Limited | Administrative & support | 2018 |
| IA Management Consultants Ltd | Professional & scientific | 2014 |
| IAA Estates Ltd | Real estate | 2025 |
| Iaatm Limited | Construction | 2019 |
| IAB Accountants Limited | Professional & scientific | 2017 |
| IAC Ltd | Construction | 2020 |
| IAC Umbrella Limited | Administrative & support | 2020 |
| IAM Contracts Ltd | Other services | 2018 |
| Iam.Katttt Limited | Other services | 2020 |
| IAN Abrahams Limited | Construction | 2003 |
| IAN James Financial Planning Ltd | Professional & scientific | 2020 |
| Iancu&Son Limited | Transport & logistics | 2018 |
| IAR Recovery Limited | Wholesale & retail | 2019 |
| IAS Accounting Services Limited | Professional & scientific | 2018 |
| IAW Consultants Limited | Administrative & support | 2022 |
| Ibaad Cars Ltd | Transport & logistics | 2023 |
| Ibathrooms Ltd | Construction | 2024 |
| Ibbienterprises Ltd | Wholesale & retail | 2024 |
| Ibby Malik Consultants Ltd | Real estate | 2024 |
| Ibbyray Ltd | Professional & scientific | 2017 |
| Ibbystar Ltd | Real estate | 2020 |
| Ibetweb Ltd | Professional & scientific | 2025 |
| IBH Property Limited | Real estate | 2024 |
| Ibib Trading Ltd | Wholesale & retail | 2023 |
| Ibiba Ltd | Health & social care | 2017 |
| Ibik Ltd | Financial services | 2023 |
| Ibjay Services Ltd | Professional & scientific | 2021 |
| IBK Building Ltd | Construction | 2017 |
| Ibn-Sarah Ltd | Wholesale & retail | 2018 |
| Ibooktalent Ltd | Information & communication | 2019 |
| IBR Trading Limited | Wholesale & retail | 2023 |
| Ibrahim Motors Ltd | Wholesale & retail | 2018 |
| Ibraq Services Ltd | Construction | 2024 |