| Harrys Headquarters Barbershop Ltd | Other services | 2024 |
| Harry’S HQ Barbering Academy Ltd | Education | 2026 |
| Harwil Consulting Ltd | Professional & scientific | 2010 |
| Hazkin Properties Ltd | Real estate | 2025 |
| HBM Consultancy Services Limited | Professional & scientific | 2024 |
| Heartland Associates Limited | Professional & scientific | 2025 |
| Heatherwood Photography Ltd | Professional & scientific | 2024 |
| Helder Monteiro Limited | Construction | 2019 |
| High Technology Composites Limited | Extraterritorial | 1983 |
| Higher Homes Ltd | Real estate | 2024 |
| Higher Lakewood Limited | Real estate | 2007 |
| Highly Recommended Ltd | Administrative & support | 2015 |
| Hiwa Cuts Ltd | Other services | 2022 |
| Holden Howe Properties Ltd | Real estate | 2023 |
| Holdens Funeral Service Limited | Other services | 2025 |
| Holistic Therapy Services Ltd | Education | 2018 |
| Holland PUB Solutions Limited | Hospitality | 2025 |
| Hollingworth Lake Rowing Club Limited | Arts & recreation | 2026 |
| Hooson & Stuttard Eyecare Ltd | Wholesale & retail | 2016 |
| Howarth & Lear Ltd | Wholesale & retail | 2023 |
| Howe Developments and Joinery Ltd | Construction | 2017 |
| Howe Rigout & Construction Ltd | Construction | 2019 |
| HRS Building & Joinery Contractors Limited | Manufacturing | 2002 |
| HSF Compliance Ltd | Professional & scientific | 2025 |
| Huginn + Muninn Business Consultants (UK) Ltd | Administrative & support | 2015 |
| Hunter Van Services Ltd | Transport & logistics | 2026 |
| HWC Ventures Limited | Financial services | 2023 |
| Hygge Hub Wellness CIC | Other services | 2024 |
| I Medical Ltd | Wholesale & retail | 2010 |
| Ideal Computer Solutions Ltd | Wholesale & retail | 2021 |
| Ikit Consultancy Ltd | Administrative & support | 2007 |
| Incommand Fire Ltd | Administrative & support | 2021 |
| Iphm Growth Hub Ltd | Information & communication | 2026 |
| Ishelter UK Ltd | Real estate | 2024 |
| IT Doctor 3 Counties Limited | Administrative & support | 2003 |
| J & J Groundworks & Landscaping Ltd | Administrative & support | 2023 |
| J a Cryer Excavation & Groundwork Contractors Ltd | Construction | 2009 |
| J and K Minimarket Limited | Wholesale & retail | 2013 |
| J Networks Ltd | Construction | 2025 |
| J. Grindrod & SON Limited | Water & waste | 1937 |
| J.H.Serridge & Sons Limited | Construction | 1998 |
| J.T.L Electrical Services Ltd | Construction | 2017 |
| J.York Services Ltd | Construction | 2024 |
| JA Property Services North West Ltd | Real estate | 2026 |
| Jaycroofing Ltd | Construction | 2025 |
| JCH Autobodies Ltd | Wholesale & retail | 2013 |
| Jenk Curio Ltd | Manufacturing | 2020 |
| Jenk Group Ltd | Professional & scientific | 2020 |
| Jenk Property Ltd | Households | 2020 |
| JET Cleaning Services Manchester Ltd | Administrative & support | 2019 |
| Jfmservices Ltd | Transport & logistics | 2018 |
| Jhill Properties Ltd | Real estate | 2023 |
| JL Advanced Solutions Limited | Information & communication | 2025 |
| JLK Storage Ltd | Construction | 2024 |
| JLP Discounts Ltd | Wholesale & retail | 2025 |
| Jmejns Trading Ltd | Wholesale & retail | 2025 |
| JMK Homes Ltd | Real estate | 2019 |
| JMS Consultants Ltd | Construction | 2025 |
| JNL Road Services Ltd | Transport & logistics | 2024 |
| Johnny Alfrey Music Memorial CIC | Information & communication | 2023 |
| Jollytots Littleborough Trading AS Bizzybees Ltd | Health & social care | 2018 |
| Jones O'Brien Masonry Contractors Ltd | Construction | 2025 |
| JP Trading Group Limited | Wholesale & retail | 2023 |
| JPK Homes Limited | Real estate | 2021 |
| JT Polymers Limited | Wholesale & retail | 2002 |
| Justhybriduk Ltd | Wholesale & retail | 2019 |
| Jute Sports Limited | Arts & recreation | 2024 |
| KAH Assessment Ltd | Other services | 2021 |
| Karoz Corner Shop Limited | Wholesale & retail | 2025 |
| KDS Financial Planning Ltd | Professional & scientific | 2020 |
| Keane Consultant Services Ltd | Professional & scientific | 2026 |
| KEN Mills Engineering Limited | Manufacturing | 1988 |
| Kettle Nettles Ltd | Manufacturing | 2026 |
| Kingston Bill Ltd | Hospitality | 2025 |
| Kirsty Works Ltd | Health & social care | 2023 |
| KM Arboriculture Ltd | Agriculture & fishing | 2025 |
| KNM Electrical Limited | Information & communication | 2014 |
| Knowldale Car Club Limited | Arts & recreation | 1959 |
| Krosser Ltd | Health & social care | 2023 |
| KS Hotels Limited | Professional & scientific | 2018 |
| KS Training Academy Ltd | Education | 2022 |
| Kstruct Ltd | Professional & scientific | 2022 |
| Kwik Solutions Limited | Real estate | 2005 |
| L Whittaker Commercials Limited | Wholesale & retail | 2018 |
| Lake Garage (Smithy Bridge) Limited | Wholesale & retail | 1955 |
| Lake Garage MOT Ltd | Wholesale & retail | 2025 |
| Lares North Limited | Other services | 1989 |
| Laso Events Limited | Other services | 2024 |
| Latham Costa Limited | Professional & scientific | 2011 |
| LEE Sagar Plant Operator Hire Limited | Construction | 2017 |
| Leisure Design Contracts (1985) Limited | | 1984 |
| Leon Rouge Ltd | Hospitality | 2025 |
| LES Enfants (Holdings) Limited | Education | 2006 |
| LES Enfants Limited | Education | 1991 |
| Let's Franchise Limited | Professional & scientific | 2018 |
| Life Lead Coaching Ltd | Education | 2025 |
| Life Without Limits Fitness Classes Ltd | Other services | 2021 |
| Life Without Limits Group Ltd | Arts & recreation | 2020 |
| Light Hazzles Farm Livery Ltd | Agriculture & fishing | 2021 |
| Limefield Agri-Serv Ltd | Professional & scientific | 2022 |