| Holmfield Developments Limited | Real estate | 2008 |
| Home & Office Helpers Limited | Transport & logistics | 2026 |
| Home Solutions E-Commerce Ltd | Administrative & support | 2019 |
| Home With the Four of US Ltd | Real estate | 2022 |
| Homeclean South and West Birmingham Limited | Other services | 2016 |
| Homesmart Bridgnorth Ltd | Professional & scientific | 2026 |
| Homesmart Interiors Ltd | Professional & scientific | 2020 |
| Honeybourne Associates Limited | Professional & scientific | 2010 |
| Honeycomb Cleaning Services Ltd | Administrative & support | 2024 |
| Hopwood Flowers Ltd | Wholesale & retail | 2012 |
| Horley Properties Limited | Real estate | 2016 |
| Hospitality Revenue Partners Ltd | Information & communication | 2026 |
| Hosta Ground Care Ltd | Administrative & support | 2015 |
| Hot Wheelz Ltd | Wholesale & retail | 2017 |
| Houra Property Ltd | Real estate | 2025 |
| House Worship Ltd | Wholesale & retail | 2022 |
| Howells Patent Glazing Limited | Construction | 1995 |
| Howells Plant Hire & Building Services Limited | Construction | 2016 |
| HPH Electrical Consultants Ltd | Construction | 2023 |
| HSR Midlands Ltd | Wholesale & retail | 2017 |
| Hubble Lucas Electrical Contractors Limited | Construction | 2001 |
| HUD Holdings Limited | Wholesale & retail | 2023 |
| Hudson Property Investments Limited | Administrative & support | 1975 |
| Hughes Property Investments Ltd | Real estate | 2016 |
| Hunt Motorsport Developments Ltd | Professional & scientific | 2024 |
| Hurley Homes Ltd | Construction | 2006 |
| HW Print Ltd | Manufacturing | 2019 |
| HWM Orthopaedics Limited | Health & social care | 2026 |
| Hydroviron Limited | Water & waste | 2003 |
| I and F Installations Ltd | Construction | 2023 |
| IBP Global Trading Limited | Financial services | 2011 |
| IBP Worldwide Limited | Financial services | 2024 |
| ICS Print Limited | Manufacturing | 2023 |
| Ideal Marketing International Limited | Wholesale & retail | 2014 |
| IDM Controls & Maintenance Ltd | Other services | 2025 |
| Iggcs Ltd | Transport & logistics | 2025 |
| Igloo FM Ltd. | Real estate | 2020 |
| Igloo Property Group Ltd. | Administrative & support | 2011 |
| Ihrss Limited | Professional & scientific | 2014 |
| Ikon Assets Limited | Real estate | 2014 |
| Ikon Management Ltd | Professional & scientific | 2002 |
| Ilona Blaut Studio Ltd | Administrative & support | 2021 |
| IMA Property Group Ltd | Real estate | 2024 |
| Impact Surfacing Limited | Construction | 2013 |
| Imperial Fitness Online Ltd | Arts & recreation | 2024 |
| Imperial Media Solutions Ltd | Professional & scientific | 2019 |
| IN Air Systems Ltd | Construction | 2022 |
| Indelease Asset Finance Limited | Administrative & support | 2024 |
| Indelease Fleet Management Ltd | Administrative & support | 2015 |
| Industrial Mechanical Design Limited | Professional & scientific | 2008 |
| Industrial Properties (Coseley) Limited | Real estate | 2014 |
| Ineversley Investments Limited | Financial services | 2021 |
| Ineversley Ltd | Financial services | 2009 |
| Infinite Electronic Solutions Limited | Administrative & support | 2007 |
| Initiative Quality & Safety Limited | Professional & scientific | 2002 |
| Innovation Hygiene Consultancy Limited | Professional & scientific | 2018 |
| Insectrum Ltd | Arts & recreation | 2022 |
| Insightseekr Ltd | Information & communication | 2024 |
| Inspiration in Steel Ltd | Manufacturing | 2019 |
| Inspire Restaurants Limited | Hospitality | 2023 |
| International Yacht Register S&C Limited | Administrative & support | 2024 |
| Intralox Limited | Manufacturing | 1984 |
| Ipco UK Process Systems Limited | Manufacturing | 2017 |
| ISJ Property Consultants Ltd | Real estate | 2021 |
| Isla Rose Furnishings Ltd | Manufacturing | 2017 |
| Istride Ltd | Information & communication | 2018 |
| Italian Weddings Limited | Administrative & support | 2018 |
| Itus Medical Ltd | Health & social care | 2015 |
| It’S Time Solutions Ltd | Construction | 2017 |
| Ivanovka Limited | Health & social care | 2022 |
| Ivape Kford Limited | Administrative & support | 2025 |
| J & J Beaman Ltd | Wholesale & retail | 2005 |
| J & N Properties Services Limited | Real estate | 2007 |
| J & S Handling Limited | Wholesale & retail | 2003 |
| J E Osborne Ltd | Construction | 2015 |
| J Edwards Solutions Ltd | Construction | 2024 |
| J Kirkham Limited | Wholesale & retail | 2013 |
| J L COX (Sales) Ltd | Wholesale & retail | 2019 |
| J M Motoring Services Limited | Wholesale & retail | 2009 |
| J P Landscaping & Designs Ltd | Construction | 2023 |
| J S Contracts (UK) Limited | Professional & scientific | 2008 |
| J Swinscoe Ltd | Wholesale & retail | 2006 |
| J Whittle Counselling Ltd | Health & social care | 2022 |
| J.A. Couriers Ltd | Transport & logistics | 2013 |
| J.A. Mobile Welding, Repairs & Fabrication Services Ltd | Manufacturing | 2014 |
| J.C.Lifts Ltd | Manufacturing | 2024 |
| J.J.B Construction Ltd | Construction | 2022 |
| J.R. Atkins Limited | Hospitality | 2003 |
| J.R. Patterns Limited | Manufacturing | 2003 |
| J9 Property Investments Limited | Real estate | 2006 |
| Jade Lilley Tattoo Ltd | Arts & recreation | 2022 |
| Jade Sections Limited | Manufacturing | 2020 |
| Jake Taylor Holdings Ltd | Financial services | 2022 |
| Jamark Services Limited | Real estate | 2015 |
| James Fieldhouse (Holdings) Ltd | Administrative & support | 2019 |
| JAR SW Limited | Hospitality | 2024 |
| Jarvis Finance Limited | Professional & scientific | 2019 |
| JASOND10 Group of Companies Limited | Wholesale & retail | 2025 |
| JAY Heating Limited | Construction | 2011 |
| Jayvc Limited | Professional & scientific | 2025 |