| Highlife Properties Limited | Construction | 2015 |
| Highmech Ltd | Construction | 2019 |
| Highmeres Auto Services Limited | Wholesale & retail | 2009 |
| Highpex Limited | Wholesale & retail | 2018 |
| Highrise Reconstruction Limited | Manufacturing | 2024 |
| Highview Park Properties Limited | Real estate | 2018 |
| Highview Technology Ltd | Information & communication | 2018 |
| Highway Cars Ltd | Wholesale & retail | 2017 |
| Highway Properties Ltd | Real estate | 2015 |
| Highway Property Investments Limited | Real estate | 2019 |
| Highwood Canford Cliffs Management Company Limited | Households | 2021 |
| Hiholidays Limited | Hospitality | 2022 |
| HII Investments Ltd | Real estate | 2024 |
| Hiit Leicester Ltd | Arts & recreation | 2023 |
| Hiitness Fuel Bar Ltd | Hospitality | 2022 |
| Hiitness Gym (Leicester) Ltd | Arts & recreation | 2022 |
| Hiitness Gym Classes Ltd | Education | 2023 |
| Hijvarie Garment Ltd | Manufacturing | 2020 |
| Hika Investments Ltd | Real estate | 2024 |
| Hilag Limited | Wholesale & retail | 2024 |
| Hilal and Amjad International Ltd | Wholesale & retail | 2024 |
| Hilcare Limited | Health & social care | 2023 |
| Hilcrest Flooring Limited | Construction | 2007 |
| Hilcrest Flooring Solutions Ltd | Construction | 2021 |
| Hill Digital Group Ltd | Wholesale & retail | 2025 |
| Hill Furnishings Ltd | Real estate | 2014 |
| Hill Plastering Contractors (Midlands) Ltd | Construction | 2024 |
| Hill Top Forge Ltd | Agriculture & fishing | 2022 |
| Hill Top Service Station Limited | Wholesale & retail | 1997 |
| Hill's Alarm Services Limited | Administrative & support | 2002 |
| Hillanhi Properties Limited | Financial services | 2025 |
| Hillcrest (Hucknall) Management Company Limited | Households | 2016 |
| Hillcrest Haulage Limited | Transport & logistics | 2001 |
| Hillmoren Limited | Wholesale & retail | 2005 |
| Hillside (Leicester) Limited | Financial services | 2021 |
| Hillside Contracts Limited | Construction | 1997 |
| Hillside Executive Ltd | Professional & scientific | 2014 |
| Hima Trading Limited | Wholesale & retail | 2010 |
| Himahemp Ltd | Wholesale & retail | 2023 |
| Himalaya Tandoori MK Ltd | Hospitality | 2019 |
| Himalayan Gurka Ltd | Hospitality | 2020 |
| Himalayan Mountain Ltd | Hospitality | 2019 |
| Himbleton Success Ltd | Transport & logistics | 2014 |
| Himilianyeti Limited | Hospitality | 2023 |
| Himtele Infomatics Ltd | Information & communication | 2025 |
| Hina Fashion Manufacturers Ltd | Real estate | 2017 |
| Hinal Pattani MD Ltd | Information & communication | 2025 |
| Hinckley Appliances Limited | Wholesale & retail | 2005 |
| Hinckley Chef Ltd | Hospitality | 2026 |
| Hinckley Heights Ltd | Real estate | 2023 |
| Hinckley Launderette Ltd | Other services | 2020 |
| Hinckley Lawnmowers Ltd | Manufacturing | 2013 |
| Hinckley Motor Spares Limited | Wholesale & retail | 2013 |
| Hinckley OP Ltd | Health & social care | 2021 |
| Hinckley Print Services Limited | Manufacturing | 2007 |
| Hinckley Reality Ltd | Hospitality | 2020 |
| Hinckley Stadium Ltd | Hospitality | 1998 |
| Hind Consultancy Ltd | Health & social care | 2023 |
| Hind Estates Limited | Real estate | 2002 |
| Hind SF Ltd | Health & social care | 2023 |
| Hindocha Holdings Limited | Financial services | 2016 |
| Hindu Business Ltd | Other services | 2024 |
| Hine Dental Laboratory Limited | Manufacturing | 2008 |
| Hine Park Day Nursery Limited | Real estate | 2015 |
| Hinesh Estate Limited | Real estate | 2019 |
| Hint Media Limited | Professional & scientific | 2009 |
| Hintlesham Beneficial Ltd | Transport & logistics | 2018 |
| HIP & Knee Care Ltd | Health & social care | 2018 |
| Hipmarrakech.Com Limited | Real estate | 2005 |
| Hipoint Properties Ltd | Real estate | 2003 |
| Hippies of Physics Ltd | Manufacturing | 2022 |
| Hippo Trans Ltd | Transport & logistics | 2021 |
| Hira Enterprises Ltd | Administrative & support | 2025 |
| Hirably Technologies Ltd | Information & communication | 2025 |
| Hiral Transport Ltd | Transport & logistics | 2023 |
| Hiramanju Medical Limited | Health & social care | 2019 |
| Hire an Illustrator Ltd | Extraterritorial | 2021 |
| Hire Scaffolding Ltd | Construction | 2023 |
| Hire UP (Leic) Ltd | Administrative & support | 2024 |
| Hireforce Ltd | Administrative & support | 2012 |
| Hireillo Limited | Information & communication | 2014 |
| Hireme Recruitment Ltd | Administrative & support | 2025 |
| Hiresh Morjaria Ltd. | Health & social care | 2016 |
| Hirix Furniture Ltd | Wholesale & retail | 2025 |
| Hirix Group Ltd | Financial services | 2025 |
| Hirix International Ltd | Wholesale & retail | 2017 |
| Hirst Stephen Limited | Wholesale & retail | 2017 |
| HIS Mercy & Favour Commercials Ltd | Wholesale & retail | 2025 |
| Hisan Investments Ltd | Real estate | 2020 |
| Hispain-Logistics Ltd | Other services | 2013 |
| Hispeed Car Sales Ltd | Wholesale & retail | 2024 |
| HIT Technology Ltd | Extraterritorial | 2022 |
| Hit-Right Inc Ltd | Arts & recreation | 2010 |
| Hitchcock Pension Consultants Limited | Financial services | 2015 |
| Hitchin Technologies Ltd | Professional & scientific | 2023 |
| Hitec Security Solutions Ltd | Administrative & support | 2014 |
| Hitec Systems Limited | Manufacturing | 2011 |
| Hitshomes Limited | Real estate | 2015 |
| Hive Hair Artistry LLP | | 2020 |
| Hive Health Wellbeing Ltd | Health & social care | 2025 |