| HB Aluminium Fabrications Limited | Manufacturing | 1981 |
| HB Architectural Services Ltd | Professional & scientific | 2019 |
| HB Collections Limited | Wholesale & retail | 2015 |
| HB Electrical Services Limited | Construction | 2026 |
| HB Medical (UK) Limited | Information & communication | 2014 |
| HBA Digital Ltd | Information & communication | 2025 |
| HBA Investments Limited | Real estate | 2016 |
| Hben Ltd | Health & social care | 2026 |
| HBH Yorkshire Limited | Construction | 2024 |
| Hbhc Jvco Limited | Financial services | 2021 |
| HBJ Builders Ltd | Construction | 2024 |
| HBM Properties Ltd | Real estate | 2023 |
| Hbpharm Ltd | Health & social care | 2025 |
| HBR Signs and Designs Ltd | Construction | 2015 |
| HBR Signs Group Ltd | Construction | 2021 |
| Hbros Properties Limited | Real estate | 2003 |
| HBV Couriers Ltd | Transport & logistics | 2026 |
| HC Actuarial Services Limited | Financial services | 2016 |
| HC Customs Online Ltd | Wholesale & retail | 2025 |
| HCA Accountants (Roundhay) Ltd | Professional & scientific | 2015 |
| HCA Accountants Ltd | Professional & scientific | 2007 |
| HCA Commercial Finance Limited | Professional & scientific | 2017 |
| HCA Group Yorkshire Ltd | Professional & scientific | 2013 |
| HCB Exclusive Ltd | Other services | 2024 |
| HCE Holdings Limited | Financial services | 2018 |
| HCG Consultancy Group Ltd | Administrative & support | 2022 |
| Hcgm Services Limited | Professional & scientific | 2017 |
| Hconnex Services Ltd | Wholesale & retail | 2024 |
| HCS (Yorkshire) Ltd | Construction | 2010 |
| HD Building & Electrical Services Ltd | Administrative & support | 2025 |
| HD Car Parts Ltd | Wholesale & retail | 2020 |
| HD Care Limited | Other services | 2001 |
| HD Care North Leeds (Holdings) Ltd | Financial services | 2018 |
| HD Developments & Lettings Limited | Real estate | 2021 |
| HD Flooring Limited | Wholesale & retail | 2009 |
| HD Leeds Limited | Wholesale & retail | 2019 |
| HD Project Consulting Ltd | Professional & scientific | 2019 |
| HD Property Management (North Yorkshire) Ltd | Real estate | 2025 |
| HD Vision Ophthalmic Specialist Ltd | Health & social care | 2019 |
| HD3 Developments Ltd | Construction | 2018 |
| HDC (England and Wales) Limited | Information & communication | 2015 |
| HDC (RC) Limited | Real estate | 2025 |
| HDC Traders Limited | Administrative & support | 2019 |
| HDG Capital Ltd | Professional & scientific | 2020 |
| HE Construction Yorkshire Limited | Construction | 2024 |
| Head Hunters Group Limited | Professional & scientific | 2023 |
| Head Office Interiors Limited | Construction | 2010 |
| Head Property Group Ltd | Real estate | 2024 |
| Headback Ltd | Health & social care | 2025 |
| Headbangers Sausage Company Ltd | Manufacturing | 2020 |
| Headcrown Group Limited | Other services | 1979 |
| Headfirst HR Limited | Administrative & support | 2015 |
| Headhunterinfo Ltd | Administrative & support | 2019 |
| Headhunters at Lafhabb Ltd | Education | 2024 |
| Headhunters Leeds Ltd | Other services | 2024 |
| Heading Onwards Ltd | Professional & scientific | 2018 |
| Headingley (Otley Road) Management Limited | Households | 2000 |
| Headingley Buildings Ltd. | Real estate | 2018 |
| Headingley Consultants Limited | Professional & scientific | 2004 |
| Headingley Development Trust (Commercial) Limited | Wholesale & retail | 2019 |
| Headingley Dining Ltd | Hospitality | 2025 |
| Headingley Enterprise and Arts Centre Ltd | Arts & recreation | 2009 |
| Headingley Farm Butchers Ltd | Wholesale & retail | 2010 |
| Headingley Halls Limited | Hospitality | 1999 |
| Headingley Home Appliances Limited | Wholesale & retail | 2008 |
| Headingley Homes Ltd | Real estate | 2019 |
| Headingley Investments Limited | Financial services | 2025 |
| Headingley Land Developments (2002) Limited | Construction | 2002 |
| Headingley Land Developments Limited | Construction | 2000 |
| Headingley Lane Store Limited | Wholesale & retail | 2020 |
| Headingley Lets Ltd | Real estate | 2025 |
| Headingley North-South Stand (Cricket) Limited | Arts & recreation | 2017 |
| Headingley North-South Stand (Rugby) Limited | Arts & recreation | 2017 |
| Headingley North-South Stand Limited | Arts & recreation | 2017 |
| Headingley Phone Shop and Vapes Ltd | Wholesale & retail | 2025 |
| Headingley Projects Limited | Wholesale & retail | 2021 |
| Headingley Property Services Ltd | Real estate | 2021 |
| Headless Horse Ltd | Professional & scientific | 2017 |
| Headley Professional Recruitment Ltd | Administrative & support | 2022 |
| Headnorth Agency Ltd | Professional & scientific | 2024 |
| Headroom Coaching Ltd | Other services | 2026 |
| Heads Together Productions Limited | Arts & recreation | 1998 |
| Headstar Group LLP | | 2025 |
| Headstar Limited | Professional & scientific | 2020 |
| Headstart Languages Limited | Education | 2009 |
| Headwave Limited | Information & communication | 2016 |
| Headway Films Limited | Information & communication | 2021 |
| Headway Forces Support Group Ltd | Health & social care | 2018 |
| Healds Foods Limited | Professional & scientific | 1926 |
| Healey Lodge Ltd | Health & social care | 2023 |
| Healing Touch Rehab Limited | Health & social care | 2013 |
| Health (Pembury) Limited | Professional & scientific | 2004 |
| Health Affinity Limited | Health & social care | 2015 |
| Health and Business Ltd | Professional & scientific | 2025 |
| Health Assist Limited | Wholesale & retail | 2020 |
| Health for ALL (Leeds) Ltd | Health & social care | 1996 |
| Health for the People Ltd | Health & social care | 2009 |
| Health Hub Limited | Health & social care | 2016 |
| Health Link Vitamins Limited | Professional & scientific | 1996 |
| Health Management (Carlisle) Holdings Limited | Financial services | 1998 |