| HM Motor Garage UK Limited | Wholesale & retail | 2022 |
| Hockmeyer Motors Limited | Wholesale & retail | 1949 |
| Hodson Plastering & Rendering Ltd | Construction | 2012 |
| Holders Hill Ltd | Information & communication | 2017 |
| Holloway Road (AGG1) Ltd | Real estate | 2013 |
| Holly Close 1967 Limited | Extraterritorial | 2014 |
| Holston Services Ltd | Construction | 2026 |
| Homesuites Ltd | Real estate | 2023 |
| Hommex Limited | Real estate | 2025 |
| HOP Property Management Ltd | Construction | 2023 |
| HOP Serviced Accommodation Ltd | Households | 2023 |
| Horex Logistics Ltd | Transport & logistics | 2018 |
| Horobin,Limited | Other services | 1930 |
| Horton Motion Pictures Ltd | Information & communication | 2025 |
| Hotline Cars (Midlands) Ltd | Transport & logistics | 2025 |
| Hounds Gate (AGG15) Limited | Real estate | 2015 |
| HP Consultancy (West Mids) Ltd | Health & social care | 2025 |
| HR Plastics & Hardware Ltd | Wholesale & retail | 2026 |
| Hrjs & Mllb Limited | Financial services | 2024 |
| HRL Cleaning Services Ltd | Administrative & support | 2019 |
| HS 599 Limited | Real estate | 2013 |
| HS Dhaliwal Builders Ltd | Construction | 2025 |
| HS Transport Solutions Ltd | Transport & logistics | 2025 |
| HSD1 Limited | Construction | 2017 |
| HSG Couriers Ltd | Transport & logistics | 2025 |
| Hskular Ltd | Transport & logistics | 2023 |
| Hughes Wholesale Limited | Wholesale & retail | 2000 |
| Hundal Brickworks Ltd | Construction | 2022 |
| Hutchinson Plumbing Ltd | Construction | 2025 |
| Hybrid Education Futures Ltd | Education | 2014 |
| Hypnotic Beauty Aesthetics & Nails Ltd | Other services | 2026 |
| HYS Technologies Limited | Administrative & support | 2012 |
| HZR Trans Ltd | Transport & logistics | 2019 |
| I Deliver Food.Co.Uk Ltd | Wholesale & retail | 2021 |
| I Farera 2016 Limited | Wholesale & retail | 2016 |
| I Show Services Limited | Administrative & support | 2005 |
| I.C.E Inclusive Curriculum Education Limited | Education | 2023 |
| I4 Resourcing Limited | Wholesale & retail | 2025 |
| IA & 3 Sons Ltd | Extraterritorial | 2019 |
| IB Legal Ltd | Professional & scientific | 2021 |
| IC9 Film Ltd | Information & communication | 2022 |
| ICF Midlands Limited | Construction | 2018 |
| Iconic Builders Ltd | Construction | 2025 |
| Icor Technology Limited | Wholesale & retail | 2023 |
| Ifra Ltd | Professional & scientific | 2017 |
| Igap Limited | Financial services | 2020 |
| Ignite Bouncycastle Ltd | Wholesale & retail | 2024 |
| Ignitewebs Limited | Professional & scientific | 2020 |
| IJS Construction Ltd | Construction | 2021 |
| Imani Property Investors Limited | Real estate | 2019 |
| IMB Trades Limited | Other services | 2025 |
| Immigrashun Solution Ltd | Professional & scientific | 2023 |
| Impax Solutions Limited | Manufacturing | 2021 |
| Imperial Transits Ltd | Transport & logistics | 2025 |
| In-Syte Business Solutions Ltd | Professional & scientific | 2011 |
| Inara Stays Limited | Real estate | 2021 |
| Index Courier Network Limited | Transport & logistics | 2011 |
| Indian Legal Services Limited | Administrative & support | 2017 |
| Indigo Plumbing & Heating Limited | Construction | 2009 |
| Indispensable Cleaning Services Ltd | Administrative & support | 2024 |
| Inferno Products Ltd | Manufacturing | 2019 |
| Infinite ICT Limited | Information & communication | 2022 |
| Infinity Luxury Property Investment Ltd | Real estate | 2026 |
| Infinity Painters and Decorators Limited | Construction | 2025 |
| Infinity Tanning Studio Ltd | Other services | 2025 |
| Infracivils Ltd | Professional & scientific | 2026 |
| INI Auto Ltd | Wholesale & retail | 2025 |
| INNOV8 Synergy Limited | Professional & scientific | 2017 |
| INNOV8 Synergy Talent Management Limited | Professional & scientific | 2015 |
| Innovate Refrigeration and Store Design Ltd | Manufacturing | 2025 |
| Innovation Ingenuities Ltd | Wholesale & retail | 2025 |
| Innovation of Party Wall Surveyors (Ipws) Ltd | Other services | 2026 |
| Inside the Baller Ltd | Wholesale & retail | 2020 |
| Inspire 2 Train Limited | Public administration | 2022 |
| Inspire Neurodiversity Ltd | Education | 2026 |
| Insuwall Limited | Wholesale & retail | 1968 |
| Intensity Events and Management Ltd | Education | 2025 |
| Intensity Martial Arts & Fitness Limited | Arts & recreation | 2021 |
| Interak Ltd | Construction | 2019 |
| Intergears (Midlands) Limited | Wholesale & retail | 2015 |
| International Electrical Solutions Ltd | Construction | 2023 |
| Interpoint Logistics GB Ltd | Wholesale & retail | 2021 |
| INVEN3 Specialists Ltd | Administrative & support | 2020 |
| Invention Car and Commercials Limited | Wholesale & retail | 2019 |
| Invention Car Sales Limited | Wholesale & retail | 2019 |
| Inview Limited | Professional & scientific | 2018 |
| Ipolish Group Ltd | Water & waste | 2024 |
| Ipws Surveyors Ltd | Other services | 2015 |
| Iron Rebel Ltd | Wholesale & retail | 2026 |
| Ishar Logistics Ltd | Transport & logistics | 2025 |
| Isleward Limited | Manufacturing | 1979 |
| Isst Electrical Ltd | Construction | 2023 |
| ITS Halal Ltd | Administrative & support | 2017 |
| IVY Construction (Midlands) Ltd | Construction | 2016 |
| Izzy’S Tiny Trends Limited | Wholesale & retail | 2025 |
| J & E Haulage Limited | Transport & logistics | 2014 |
| J B S Estate Administration Ltd | Professional & scientific | 2020 |
| J Chatha Limited | Transport & logistics | 2025 |
| J D Solicitors Limited | Professional & scientific | 2020 |
| J Hughes Plumbing & Heating Services Ltd | Manufacturing | 2008 |