| Henrietta Maria Ltd | Wholesale & retail | 2024 |
| Henry & Andrew Ltd | Health & social care | 2011 |
| Henry & Anna Ltd | Real estate | 2025 |
| Henry Beaumont Holdings Limited | Financial services | 2025 |
| Henry Beaumont Limited | Wholesale & retail | 1990 |
| Henry Surfacing Limited | Construction | 2025 |
| Henry's Hub Ltd | Manufacturing | 2024 |
| Henshin (Retail) Limited | Wholesale & retail | 2025 |
| HER Serenity Limited | Other services | 2024 |
| HER Spirit Ltd | Information & communication | 2018 |
| HER Touch Maintenace Ltd | Construction | 2025 |
| HER Utility Ltd | Professional & scientific | 2020 |
| Herb & Spice Restaurant Ltd | Hospitality | 2010 |
| Herbalist HUT Ltd | Health & social care | 2020 |
| Herbshop Limited | Wholesale & retail | 2024 |
| Herbspice Ingredients Ltd | Wholesale & retail | 2024 |
| Hercule's Courier Ltd | Transport & logistics | 2022 |
| Herd Energy Developments Ltd | Professional & scientific | 2024 |
| Herding Consulting Ltd | Professional & scientific | 2021 |
| Herding Cows Consulting Ltd | Financial services | 2021 |
| Here & NOW Ltd | Professional & scientific | 2014 |
| Here Come the Blondes Limited | Other services | 2024 |
| HERE2STAY Ltd | Real estate | 2025 |
| Herehorsey Limited | Wholesale & retail | 2019 |
| Herescreen Ltd | Information & communication | 2021 |
| Heritage & Castle Care Ltd | Health & social care | 2025 |
| Heritage Archaeology Ltd | Professional & scientific | 2018 |
| Heritage Bodyworks Ltd | Wholesale & retail | 2022 |
| Heritage Building Management UK Ltd | Construction | 2023 |
| Heritage by Invitation Limited | Professional & scientific | 2025 |
| Heritage Chefs Ltd | Hospitality | 2022 |
| Heritage Executive Travel Ltd | Transport & logistics | 2025 |
| Heritage Leicester Limited | Hospitality | 2023 |
| Heritage Stone Improvement Ltd | Administrative & support | 2021 |
| Heritage Wealth Advisory Limited | Financial services | 2014 |
| Herlens Frame Ltd | Professional & scientific | 2026 |
| Hermes Communications Limited | Professional & scientific | 1988 |
| Hermes Legal Ltd | Information & communication | 2022 |
| Hermil Island Lounge Ltd | Hospitality | 2019 |
| Hermosa Velas Limited | Manufacturing | 2023 |
| Hernhill Fast Food Ltd | Hospitality | 2019 |
| Hernhill Transport Ltd | Transport & logistics | 2014 |
| Hero Car Services Ltd | Transport & logistics | 2023 |
| Heroes Inc Ltd. | Wholesale & retail | 2019 |
| Herohaven Ltd | Wholesale & retail | 2024 |
| Heron Bay Corporation Limited | Real estate | 2018 |
| Heron Marketing Ltd | Professional & scientific | 2023 |
| Herongate Hall Ltd | Real estate | 2015 |
| Heronhatch Limited | | 1987 |
| Herrington Mews Ltd | Health & social care | 2015 |
| Hertfordshire Counselling and CBT Limited | Health & social care | 2025 |
| Herts Bi-Fold Doors Limited | Extraterritorial | 2010 |
| Herve Helping Hand Care Ltd | Administrative & support | 2025 |
| HES Management Ltd | Professional & scientific | 2021 |
| Hesho Skincare & Aesthetic Limited | Other services | 2024 |
| Hessla Properties Limited | Real estate | 2018 |
| Hessle Transport Ltd | Transport & logistics | 2014 |
| Hestia Buildings Ltd | Real estate | 2018 |
| Heston Brown Ltd | Real estate | 2011 |
| Hesvar Ltd | Hospitality | 2026 |
| HET Property Ltd | Real estate | 2025 |
| Hetami Boutique Ltd | Wholesale & retail | 2025 |
| Hetap Limited | Manufacturing | 2022 |
| Heterarchy Limited | Professional & scientific | 2002 |
| Hethersett Spectacular Ltd | Wholesale & retail | 2015 |
| Hethersgill Crucial Ltd | Transport & logistics | 2015 |
| Hethfelton Innovations Ltd | Transport & logistics | 2015 |
| Hewett Air Conditioning Limited | Construction | 2002 |
| Hewitt & Family Property Ltd | Real estate | 2025 |
| Hewitt Sportsturf Limited | Professional & scientific | 2012 |
| Heworth Woods Ltd | Wholesale & retail | 2025 |
| Hexacon Legal Ltd | Professional & scientific | 2026 |
| Hexolen UK Limited | Manufacturing | 2018 |
| HEY Girl Fashion Ltd | Wholesale & retail | 2025 |
| HEY Jane Ltd | Wholesale & retail | 2013 |
| HEY! Display Limited | Manufacturing | 2014 |
| Heybridge Property Management Limited | Real estate | 2018 |
| Heynamastey Limited | Wholesale & retail | 2018 |
| HF Recycle Ltd | Water & waste | 2021 |
| HF Sweets Ltd | Hospitality | 2025 |
| HG Alliance Limited | Wholesale & retail | 2021 |
| HG Legal Ltd | Professional & scientific | 2022 |
| HG Residential Limited | Construction | 2025 |
| HG UK Security Ltd | Administrative & support | 2018 |
| Hgbcs Ltd | Professional & scientific | 2024 |
| HGC Electrical Ltd | Construction | 2018 |
| HGN Health and Safety Ltd | Professional & scientific | 2023 |
| HGS (Leicester) Holdings Limited | Financial services | 2026 |
| HGS (Leicester) Limited | Wholesale & retail | 2015 |
| HGV Driver Services Ltd | Transport & logistics | 2025 |
| HH Asset Investments Ltd | Real estate | 2024 |
| HH Capital Foods Ltd | Wholesale & retail | 2023 |
| HH Capital Holdings Ltd | Real estate | 2017 |
| HH Care Ltd | Health & social care | 2009 |
| HH Investments (Leicester) Limited | Real estate | 2024 |
| HHD Property Holdings Limited | Real estate | 2022 |
| Hhdp Ltd | Health & social care | 2017 |
| HHG Capital Ltd | Real estate | 2020 |
| Hhih Ltd | Administrative & support | 2023 |
| Hhjpharm Ltd | Other services | 2023 |