| HG3 Private Investments Limited | Construction | 2019 |
| HG4 Private Investments Limited | Construction | 2020 |
| HG5 Private Investments Limited | Construction | 2020 |
| HG6 Private Investments Limited | Construction | 2020 |
| HG7 Private Investments Limited | Construction | 2018 |
| HG8 Private Investments Limited | Real estate | 2020 |
| HG9 Private Investments Limited | Real estate | 2021 |
| HGC (Preston) Ltd | Other services | 2011 |
| HGE Ventilation Ltd | Other services | 2015 |
| HGL Homes Ltd | Construction | 2023 |
| HGM (Wigan) Limited | Real estate | 2015 |
| HGV Installation Ltd | Construction | 2026 |
| HGV Mechanic North West Ltd | Wholesale & retail | 2024 |
| HGW Construction Ltd | Construction | 2022 |
| Hhbs Property Investments PVT Ltd | Real estate | 2021 |
| HHK Accountancy Services Ltd | Professional & scientific | 2017 |
| Hi-Tec Electrical Innovations Ltd | Construction | 2024 |
| Hicca Ltd | Wholesale & retail | 2023 |
| Hidden Forest Adventures Ltd | Agriculture & fishing | 2023 |
| Hideaway Sauna Ltd | Health & social care | 2025 |
| Hiero Partners Ltd | Administrative & support | 2026 |
| Higgins-Walsh Therapies Ltd | Health & social care | 2022 |
| High Cross (Standish) Ltd | Real estate | 2021 |
| High Frequency Trading Limited | Information & communication | 2025 |
| High Heyes Fisheries Ltd | Agriculture & fishing | 2005 |
| High Spirited Ltd | Hospitality | 2017 |
| High Street Health Ltd | Health & social care | 2023 |
| High Street Standish Management Company Limited | Extraterritorial | 2019 |
| High-Tech Properties Limited | Real estate | 2025 |
| Highbrook Sports Horses Limited | Arts & recreation | 2013 |
| Highcross Hardware Limited | Wholesale & retail | 2023 |
| Higher END Carriages Ltd | Administrative & support | 2023 |
| Higher END Developments Ltd | Real estate | 2021 |
| Higher END Heating Solutions Ltd | Construction | 2026 |
| Higher END Solar Limited | Construction | 2024 |
| Higher Self Business Mastery Ltd | Professional & scientific | 2025 |
| Highfield Community Hall C.I.C. | Hospitality | 2020 |
| Highfield Electrical Ltd | Construction | 2017 |
| Highfield Electrical Services Limited | Energy | 2014 |
| Highlinked Ltd | Hospitality | 2023 |
| Highsy Catering Services Ltd | Hospitality | 2026 |
| Highton Software Solutions Ltd | Information & communication | 2018 |
| Highton Wiseman Property Limited | Construction | 2013 |
| Hightown Playing Fields Limited | Arts & recreation | 2019 |
| Highway & Foundation Surveys Limited | | 1970 |
| Higson Group NW Ltd | Real estate | 2026 |
| Hilbre Developments Ltd. | Administrative & support | 2006 |
| Hill Bros. (Wigan) Limited | Wholesale & retail | 1945 |
| Hilla Ltd | Professional & scientific | 2026 |
| Hilldale Estates Limited | Real estate | 2014 |
| Hilldale Home Ltd Ltd | Manufacturing | 2025 |
| Hilldale Interiors Ltd | Wholesale & retail | 2023 |
| Hilldale Sofa Co Limited | Wholesale & retail | 2025 |
| Hilldrup Physiotherapy Ltd | Health & social care | 2025 |
| Hillside Mews Management Co. Limited | Professional & scientific | 1996 |
| Hilton Care Services Ltd | Health & social care | 2023 |
| Hilton Green Brickwork Specialists Ltd | Construction | 2015 |
| Hilton Place 1969 Limited | Extraterritorial | 2014 |
| Hindleigh Accountancy Services Ltd | Professional & scientific | 2013 |
| Hindley ALL Saints Kidz Club Ltd | Education | 2012 |
| Hindley Cemetery & Chapel CIC | Health & social care | 2021 |
| Hindley Community Sports and Social Club CIC | Hospitality | 2023 |
| Hindley Convenience Store Ltd | Wholesale & retail | 2019 |
| Hindley Dental Practice Limited | Health & social care | 2013 |
| Hindley EAT Ltd | Hospitality | 2025 |
| Hindley Engineering Limited | Manufacturing | 2012 |
| Hindley Family Martial Arts Ltd | Arts & recreation | 2026 |
| Hindley Green Properties Limited | Households | 2025 |
| Hindley Green Supper Bar Limited | Hospitality | 2019 |
| Hindley Green Traders Limited | Wholesale & retail | 2023 |
| Hindley Local Market Ltd | Wholesale & retail | 2021 |
| Hindley Masonic Properties Company Limited | Other services | 1945 |
| Hindley Pharmacy Limited | Wholesale & retail | 2011 |
| Hindley Properties Limited | Real estate | 2012 |
| Hindley Retail Limited | Transport & logistics | 2018 |
| Hindley Sofas and Beds Ltd | Wholesale & retail | 2016 |
| Hindley Traders Ltd | Wholesale & retail | 2022 |
| Hindleystore Ltd | Wholesale & retail | 2025 |
| Hippo Bathrooms Ltd | Wholesale & retail | 2025 |
| Hiro Property Management Ltd | Real estate | 2025 |
| Hitchen Equestrian Services Ltd | Education | 2023 |
| HJC Property Investments Limited | Financial services | 2026 |
| HJH Heating Limited | Construction | 2025 |
| HJW Civils Limited | Construction | 2023 |
| HLB Consulting Ltd | Professional & scientific | 2021 |
| HLD Consultants Limited | Construction | 2015 |
| HLD Projects Limited | Information & communication | 2024 |
| HLK Facilities Ltd | Real estate | 2023 |
| HM (Delph Garage) Limited | Wholesale & retail | 2026 |
| HM Industries Ltd | Information & communication | 2023 |
| HM Medical Distribution Ltd | Wholesale & retail | 2019 |
| HM Motor Trading Limited | Wholesale & retail | 2024 |
| HMM Property Management Limited | Real estate | 2019 |
| HMS Holdings Group Ltd | Financial services | 2026 |
| HMT Electrical NW Ltd | Construction | 2016 |
| HN Locums Limited | Health & social care | 2022 |
| Hodgkinson Consultancy Limited | Professional & scientific | 2023 |
| Hodgkinson Power Engineering Ltd | Professional & scientific | 2025 |
| Hodgson Real Estate Ltd | Real estate | 2025 |
| Hodgson Specialist Cars Ltd | Wholesale & retail | 2006 |