| Hulme Salvage Limited | Wholesale & retail | 2010 |
| Hummingbird Therapy Services Ltd | Health & social care | 2024 |
| Hurdlow Building Company Limited | Construction | 2010 |
| Hurdlow Group Ltd | Transport & logistics | 2025 |
| Hurst & Buckley Building Contractors Ltd | Construction | 2023 |
| Hutchinson and Vize Joinery and Building Ltd | Construction | 2018 |
| Hybrid Consulting Ltd | Professional & scientific | 1994 |
| Hybrid YOU Ltd | Other services | 2020 |
| Hycas Engineering Limited | Manufacturing | 2019 |
| Hydrobroom Limited | Administrative & support | 2021 |
| Hyland D Ltd | Real estate | 2019 |
| I R Joinery & Renovations Ltd | Construction | 2013 |
| I.Paints Services Limited | Construction | 2023 |
| Iaconis Ltd | Hospitality | 2022 |
| Ignite Sports Coaching Limited | Education | 2022 |
| IMC Fire Consultancy Limited | Professional & scientific | 2009 |
| IMG Web Design Limited | Information & communication | 2006 |
| Impact Safety Direct Limited | Manufacturing | 2024 |
| Independent Menswear Company Limited | Other services | 2019 |
| Indieflicks Media Limited | Information & communication | 2015 |
| Industrial Wholesale Supplies Limited | Wholesale & retail | 2002 |
| Infinity Site Services Limited | Professional & scientific | 2026 |
| Innovate OBM Ltd | Professional & scientific | 2024 |
| INOVA8 Ltd | Professional & scientific | 2020 |
| Inside OUT Buxton Limited | Administrative & support | 2000 |
| Intellectual Property Outsourcing Limited | Professional & scientific | 2013 |
| Intellectual Property Outsourcing Trustee Limited | Professional & scientific | 2024 |
| Intermodic Ltd | Information & communication | 2023 |
| International Design and Trade Limited | Administrative & support | 2018 |
| International Missing Persons Search and Rescue Limited | Professional & scientific | 2022 |
| Inventive Design Associates Limited | Professional & scientific | 2014 |
| Inventive Drinkery Co Limited | Hospitality | 2019 |
| Inventive Property Investments Limited | Real estate | 2017 |
| Invicta Therapy Limited | Other services | 2018 |
| Irnham Park Residents Association Limited | Households | 2006 |
| Iron Church V2 Limited | Arts & recreation | 2024 |
| Isaac Neilson Limited | Information & communication | 2023 |
| IT Just Done Ltd | Information & communication | 2011 |
| Itjd-Buxton Ltd | Information & communication | 2026 |
| IVY Property Advisory Limited | Administrative & support | 2026 |
| IVY Property Rentals Limited | Real estate | 2026 |
| IVY Property Trading Limited | Real estate | 2026 |
| IVY Scaffolding Limited | Construction | 2020 |
| Izak Engineering Ltd | Manufacturing | 2017 |
| Izak Group Limited | Other services | 2017 |
| J Booth Millward Plant Limited | Water & waste | 2020 |
| J J R Haulage Limited | Transport & logistics | 2012 |
| J J R Readymix Ltd | Manufacturing | 2022 |
| J P Baxter and Company Ltd. | Professional & scientific | 2013 |
| J Park Ventures Ltd | Wholesale & retail | 2021 |
| J R Brocklehurst Agri Contractors Limited | Administrative & support | 2003 |
| J W Naylor & Sons Limited | Agriculture & fishing | 2010 |
| J&A Millward Properties Limited | Real estate | 2025 |
| J&C Church Lane Property Developments Limited | Construction | 2019 |
| J&C Invest Limited | Real estate | 2020 |
| J&C Property Developments II Limited | Construction | 2025 |
| J&C Property Developments Limited | Construction | 2018 |
| J&C Wybersley Limited | Real estate | 2019 |
| J. a. Faugno Joinery Limited | Construction | 2001 |
| J. Booth Millward Limited | Water & waste | 2019 |
| J.E. & C.M. Fletcher & Co. Limited | Agriculture & fishing | 1995 |
| J.Roberts Rope Access Services Ltd | Construction | 2024 |
| J.W.Potter & Co.(Buxton)Limited | Wholesale & retail | 1952 |
| JAA Cottages Limited | Real estate | 2016 |
| Jack Twentyman Limited | Real estate | 2008 |
| Jack's Barbers Shop Limited | Administrative & support | 2009 |
| Jackson Property Developments Ltd | Construction | 2025 |
| Jafter Ltd | Professional & scientific | 2019 |
| JAH Autotech Ltd | Wholesale & retail | 2026 |
| Jalanityx Ltd | Professional & scientific | 2025 |
| James Cook Holdings Limited | Professional & scientific | 2022 |
| James Spence Engineering Access Ltd | Professional & scientific | 2019 |
| James Stewart Electrical Services Limited | Construction | 2022 |
| James Thomson Nutrition Limited | Wholesale & retail | 2023 |
| Jane Rothery Limited | Professional & scientific | 2019 |
| Jantar Ltd | Wholesale & retail | 2026 |
| Jarva Fine Art Limited | Extraterritorial | 2003 |
| Jarva Limited | Arts & recreation | 2009 |
| Jaws Rental Limited | Administrative & support | 2005 |
| Jaydiem Solutions Limited | Information & communication | 2025 |
| Jazeta Properties Limited | Real estate | 2010 |
| JB Golf Retail Limited | Wholesale & retail | 2026 |
| JBW Turner Properties Ltd | Real estate | 2021 |
| JCM Commercial Solutions Limited | Hospitality | 2023 |
| Jcpd Holdings Limited | Financial services | 2022 |
| JDS Commercial Ltd | Wholesale & retail | 2022 |
| JE Design Services Ltd | Professional & scientific | 2022 |
| JEL Property Investments Limited | Real estate | 2015 |
| JG Recovery Ltd | Wholesale & retail | 2026 |
| JH Logistics Engineering Limited | Professional & scientific | 2010 |
| Jhpvisuals Limited | Information & communication | 2020 |
| JMJ Housing Limited | Real estate | 2025 |
| JMM Property Limited | Real estate | 2019 |
| Joe-Ike Services Ltd | Administrative & support | 2024 |
| John Lloyds Kitchen Accessories Limited | Administrative & support | 1997 |
| John N Cocker Joinery Limited | Manufacturing | 2006 |
| John Shirt Motorcycles Limited | Wholesale & retail | 1995 |
| Johnathon Phillips Services Ltd | Mining & quarrying | 2012 |
| JON Mellor & Company Limited | Real estate | 2010 |
| Jonathan Down Limited | Professional & scientific | 2011 |