| Hillgate Engineering Limited | Professional & scientific | 2026 |
| Hillhouse Croft Ltd | Transport & logistics | 2020 |
| Hills Property Investments Ltd | Real estate | 2024 |
| Hillside Printing Services Limited | Manufacturing | 1996 |
| Hilltop Manor Residential Care Home Limited | Health & social care | 1999 |
| Hilltop Offices Ltd | Administrative & support | 2012 |
| Hilltop Residents Company Limited | Households | 2017 |
| Hilltops Farms Limited | Wholesale & retail | 2025 |
| Hillwaters Productions Limited | Manufacturing | 2025 |
| Hiltfields Limited | Manufacturing | 1979 |
| Hiltfields Machinery Limited | Extraterritorial | 2014 |
| Hilton Jones Ltd | Professional & scientific | 2010 |
| Hilton Maintenance Services Ltd | Wholesale & retail | 2024 |
| Himalayan Peak Limited | Construction | 2020 |
| Hinchliffe Solutions Limited | Information & communication | 2015 |
| Hindle Care Ltd | Health & social care | 2025 |
| Hines Heating and Plumbing Ltd | Construction | 2022 |
| Hinrah Candles Limited | Wholesale & retail | 2020 |
| Hire IT Here Tool Hire Ltd | Administrative & support | 2013 |
| Hiroshi Ltd | Real estate | 2025 |
| Hirra Forecourts Ltd | Wholesale & retail | 2016 |
| HIS & Hers Oldham Ltd | Health & social care | 2025 |
| Hishma Limited | Wholesale & retail | 2023 |
| Hithe Inc Ltd | Real estate | 2025 |
| Hive 2 Honey Ltd | Agriculture & fishing | 2024 |
| Hive Health and Fitness Ltd | Education | 2021 |
| Hive JIU Jitsu Limited | Arts & recreation | 2018 |
| Hive Skate Hub Ltd | Wholesale & retail | 2018 |
| Hivecore Accountancy Ltd | Professional & scientific | 2025 |
| Hizl Investments Ltd | Real estate | 2025 |
| HJ Optics Limited | Health & social care | 2023 |
| HJA Lettings Ltd | Real estate | 2021 |
| HJM Food Consultancy Ltd | Professional & scientific | 2025 |
| HJS Business Contracts Ltd | Other services | 2018 |
| HJS Business Services Ltd | Manufacturing | 2012 |
| HK Auto Repairs Limited | Wholesale & retail | 2020 |
| HK Bargainz Ltd | Wholesale & retail | 2026 |
| HK Online Limited | Wholesale & retail | 2018 |
| HK Online Store Ltd | Wholesale & retail | 2023 |
| HKP Services Ltd | Professional & scientific | 2022 |
| HL International (Holdings) Ltd | Wholesale & retail | 2021 |
| HLJ Management Ltd | Professional & scientific | 2020 |
| Hllr Limited | Administrative & support | 2016 |
| HM & H Developments Ltd | Construction | 2023 |
| HM Pasties Ltd | Manufacturing | 2019 |
| HM Umrah Service Ltd | Administrative & support | 2022 |
| HM Ventures Oldham Ltd | Administrative & support | 2026 |
| HM90 Properties Limited | Real estate | 2026 |
| HMB Furnishing Limited | Wholesale & retail | 2022 |
| HMC Agencies Ltd | Wholesale & retail | 2022 |
| Hmmc Yorkshire Limited | Real estate | 2023 |
| HMS Accountants Ltd | Professional & scientific | 2019 |
| Hmsk Enterprises Ltd | Wholesale & retail | 2024 |
| HNA Architects Ltd. | Professional & scientific | 2013 |
| HNB Studio Ltd | Arts & recreation | 2025 |
| HNH Accountancy Ltd | Information & communication | 2023 |
| HNK Properties (NW) Ltd | Construction | 2021 |
| HNQ Plant & Machinery Export Agents Ltd | Transport & logistics | 2015 |
| HNU Ltd | Wholesale & retail | 2026 |
| HOA Mobile Clinic Ltd | Other services | 2025 |
| Hobbs Group Ltd | Manufacturing | 2024 |
| Hoffen Medicals Limited | Health & social care | 2012 |
| Holcombe Projects Ltd | Professional & scientific | 2008 |
| Holden's Forever Living Limited | Health & social care | 2013 |
| Holdengain Ltd | Health & social care | 2012 |
| Holgate Family Care Ltd | Health & social care | 2023 |
| Holistic Healthcare Oldham Limited | Health & social care | 2024 |
| Holistic Horizons CIC | Education | 2024 |
| Hollam Recruit Limited | Transport & logistics | 2025 |
| Hollins Barbers Ltd | Other services | 2025 |
| Hollins Properties Limited | Real estate | 2013 |
| Holly B Hair and Beauty Limited | Other services | 2016 |
| Holly Tree Facilities Management Ltd | Administrative & support | 2016 |
| Hollyfield Vehicles Limited | Wholesale & retail | 2019 |
| Hollywood Manchester Property Management Ltd | Real estate | 2025 |
| Holmax Limited | Professional & scientific | 2022 |
| Holmefield Developments Limited | Real estate | 2021 |
| Holmes Estate Management Ltd | Households | 2025 |
| Holroy Developments North West Limited | Construction | 2010 |
| Holroy Homes (Oldham) Limited | Construction | 2005 |
| Holroyd Asset Management Limited | Administrative & support | 1990 |
| Holroyd Skip Hire Limited | Administrative & support | 1996 |
| Holt Rendering Ltd | Professional & scientific | 2024 |
| Holy Voyage Ltd | Administrative & support | 2024 |
| Homage Hexa Ltd | Wholesale & retail | 2023 |
| Homaroma Ltd | Manufacturing | 2019 |
| Home Acumen Limited | Real estate | 2020 |
| Home and Home Limited | Real estate | 2021 |
| Home Care Network Ltd | Real estate | 2026 |
| Home Clean Home Services Limited | Administrative & support | 2020 |
| Home Education Hub Ltd | Education | 2024 |
| Home Energy Guide Limited | Wholesale & retail | 2024 |
| Home Energy Services Limited | Professional & scientific | 2025 |
| Home From Home Property Developments Limited | Real estate | 2004 |
| Home Furniture Interiors Ltd | Wholesale & retail | 2025 |
| Home Hunters UK Financial Services Ltd | Extraterritorial | 2011 |
| Home Improvement Masters Ltd | Construction | 2024 |
| Home of My Education Ltd | Education | 2023 |
| Home Online Ltd | Wholesale & retail | 2015 |
| Home Port Consultants Ltd | Administrative & support | 2025 |