| Groundup (Property Maintenance) Limited | Administrative & support | 2023 |
| Growable Greetings Ltd | Wholesale & retail | 2021 |
| GRP Building Products Limited | Manufacturing | 1998 |
| Guru Nanak Holdings Limited | Real estate | 2022 |
| GYA Aesthetics Limited | Health & social care | 2020 |
| GYA Properties Limited | Real estate | 2022 |
| Gym and Tonic Limited | Arts & recreation | 2014 |
| Gymfix Services Limited | Arts & recreation | 2004 |
| H Immobilier Limited | Real estate | 2024 |
| H&C Property Holdings Ltd | Real estate | 2019 |
| H&M Fire Ltd | Manufacturing | 2014 |
| H.O.C. Training Limited | Education | 2017 |
| Hackner Properties Ltd | Financial services | 2025 |
| Hadley's Homestyle Limited | Construction | 2014 |
| Hadlington Homes Limited | Professional & scientific | 1986 |
| Hairart Limited | Other services | 2013 |
| Halford Siviter Limited | Professional & scientific | 2008 |
| Halfpenny Green Catering Limited | Transport & logistics | 2002 |
| Halo Hospitality Group Limited | Hospitality | 2023 |
| Hamish Forrest Racing Ltd | Arts & recreation | 2023 |
| Hammad Sarwar Limited | Health & social care | 2017 |
| Hammad Sarwar Properties Ltd | Extraterritorial | 2020 |
| Hammond & Co. Estates Ltd | Construction | 2025 |
| Hammond Plumbing & Heating Limited | Construction | 2008 |
| Hamstead Plant Limited | Transport & logistics | 2011 |
| Handcrafted Heritage Ltd | Wholesale & retail | 2026 |
| Handicare Holding Limited | Manufacturing | 2009 |
| Hands on Care Homecare Services Limited | Health & social care | 2017 |
| Hands on Care Property Limited | Financial services | 2020 |
| Hanuma Ltd | Wholesale & retail | 2018 |
| Hanumagroupfoods Limited | Hospitality | 2024 |
| Hanuman Property Holdings Ltd | Real estate | 2025 |
| Harmonic Means Ltd | Professional & scientific | 2025 |
| Harris Asset Holdings Limited | Administrative & support | 2018 |
| Harrison Round Ltd | Real estate | 2018 |
| Hartland Associates Limited | Professional & scientific | 2021 |
| Hawking Developments Limited | Real estate | 2019 |
| Hawkins Freelance Ltd | Wholesale & retail | 2021 |
| Hawthorn Grove Care Ltd | Health & social care | 2024 |
| Hayden Kilkelly Independent Financial Advisors Limited | Financial services | 2015 |
| Hayes Cycles Limited | Manufacturing | 2023 |
| Haywood Upholstery Limited | Other services | 2003 |
| Hazelbank Medical Group Ltd | Health & social care | 2024 |
| HB Design (Contracts) Limited | Manufacturing | 1999 |
| HB Furniture & Installations Ltd | Manufacturing | 2024 |
| HDE Hospitality Limited | Hospitality | 2024 |
| Health & Wellbeing in Schools Ltd | Education | 2019 |
| Healthy Kebabs Limited | Hospitality | 2024 |
| Heartland Commercial Management Ltd | Real estate | 2025 |
| Heartwood Energy Ltd | Construction | 2022 |
| Heat Nation Limited | Construction | 2021 |
| Heatd Ltd | Construction | 2023 |
| Heath Building and Plumbing Limited | Administrative & support | 2019 |
| Heathbrook Business Advisors Limited | Professional & scientific | 2021 |
| Heating Electrical Services Ltd | Construction | 2019 |
| Hedfan Technologies Limited | Information & communication | 2016 |
| Helistics Ltd | Other services | 2019 |
| Helix Trading Limited | Wholesale & retail | 2011 |
| Helston Engineering Limited | Manufacturing | 1983 |
| Hemming's Alterations & Repairs Ltd | Other services | 2012 |
| Henderson Machinery Services Limited | Manufacturing | 2016 |
| Hereward Lettings Ltd | Real estate | 2020 |
| Hereward Rise Ltd | Real estate | 2022 |
| Heritage Property LET Limited | Real estate | 2024 |
| Hestia Living Group Limited | Administrative & support | 2024 |
| Hestia Living Limited | Administrative & support | 2023 |
| Hewitt Consultancy Limited | Professional & scientific | 2024 |
| Hgflooring Ltd | Construction | 2021 |
| HGO Electrical Limited | Construction | 2022 |
| HH2 Advisory Limited | Information & communication | 2026 |
| High Acres Driving Academy Limited | Extraterritorial | 2024 |
| High Acres Stores Ltd | Wholesale & retail | 2019 |
| High Rock Properties (Holdings) Ltd | Extraterritorial | 2021 |
| High Rock Properties Limited | Real estate | 1998 |
| High Street Sheds & Summer Houses Ltd | Manufacturing | 2025 |
| High Street Sheds Limited | Manufacturing | 2018 |
| High Temperature Solutions Ltd | Manufacturing | 2020 |
| Highbury Distributors Ltd | Wholesale & retail | 2021 |
| Highfield Residential Homes Limited | Real estate | 2010 |
| Hill Define Limited | Health & social care | 2023 |
| Hill EAR Care Limited | Health & social care | 2026 |
| Hill Roofing & Building Solutions Ltd | Construction | 2026 |
| Hillcroft Home Accessories Limited | Wholesale & retail | 2026 |
| Hills Electrical Contractors Limited | Construction | 2007 |
| Hills Electrical Group Limited | Manufacturing | 2021 |
| Hilltop Birmingham Investments Ltd | Real estate | 2025 |
| Hilltop Private Limited | Real estate | 2024 |
| Hines Holdings Ltd | Financial services | 2022 |
| Hinitt Mcleod Limited | Real estate | 2023 |
| Hinksford Farm Shop Ltd | Wholesale & retail | 2023 |
| Hinksford Wharf Ltd | Transport & logistics | 2019 |
| Hinksfordmill Services Ltd | Health & social care | 2023 |
| Hither Green Trading Estate Limited | Extraterritorial | 2009 |
| Hkifa 2 Limited | Financial services | 2025 |
| HM 2023 Ltd | Hospitality | 2023 |
| Holbeache Developments Ltd | Construction | 2019 |
| Hollow Crown Miniatures Ltd | Wholesale & retail | 2025 |
| Holloway Services Ltd | Wholesale & retail | 2022 |
| Hollowmill Services Limited | Professional & scientific | 2014 |
| Hollywood Nail & Bodycare Limited | Other services | 1999 |