| J & D Property Developments Limited | Real estate | 2017 |
| J and a Williams Consulting Limited | Administrative & support | 2014 |
| J B S Joinery Limited | Construction | 2002 |
| J B Traditional Limited | Manufacturing | 2000 |
| J Bourne Tractors Ltd | Wholesale & retail | 2019 |
| J G Wrench Jewellers Limited | Wholesale & retail | 2021 |
| J Lawson Car Sales Ltd | Wholesale & retail | 2023 |
| J N Engineering Limited | Financial services | 2026 |
| J S Knitwear Limited | Manufacturing | 2013 |
| J Thiyaash Ltd | Hospitality | 2024 |
| J. Pointon & Sons Limited | Extraterritorial | 1997 |
| J. W. Stretton Limited | Agriculture & fishing | 2014 |
| J.Brough Limited | Construction | 2022 |
| J.L.Findlow & Sons Limited | Construction | 1962 |
| Jace Supplies Limited | Manufacturing | 2007 |
| James Knight Ltd | Professional & scientific | 2024 |
| Jason Court Management Company Limited | Households | 2020 |
| Javen Consultancy Ltd | Professional & scientific | 2026 |
| Jaypee Associates LLP | | 2009 |
| JB Properties (Staffs) Ltd | Real estate | 2019 |
| JCE Leisure Limited | Professional & scientific | 2015 |
| JCM Group Holdings (UK) Limited | Financial services | 2013 |
| Jems Community Mental Health Rehabilitation & Life Coaching Service Limited | Health & social care | 2026 |
| Jenneral Cleaning Services Ltd | Administrative & support | 2023 |
| Jennie Candlish Racing Limited | Agriculture & fishing | 2006 |
| Jj's Arcade Limited | Wholesale & retail | 2026 |
| Jj's Bars & Pubs Ltd | Hospitality | 2025 |
| Jj's CQ Ltd | Hospitality | 2025 |
| Jj's Hospitality Group CIC | Wholesale & retail | 2025 |
| Jj's Longton Ltd | Hospitality | 2025 |
| Jj's Wholesale Ltd | Wholesale & retail | 2025 |
| JJK Associates Limited | Professional & scientific | 2002 |
| JJS Holywell Ltd | Hospitality | 2025 |
| JKW Transport Ltd | Transport & logistics | 2015 |
| JM Builders (UK) Ltd | Construction | 2008 |
| Jobete Ltd | Wholesale & retail | 2010 |
| John Leeke Limited | Administrative & support | 1934 |
| John Pointon & Sons Limited | Construction | 1976 |
| John Pointon Sports and Recreation Facility | Arts & recreation | 2013 |
| John Taylor Photographic Limited | Professional & scientific | 1989 |
| Johnson Technical Services Limited | Construction | 2006 |
| Jones & Burgess Holdings Ltd | Hospitality | 2025 |
| JP Friends Ltd | Wholesale & retail | 2024 |
| JPF Projects Ltd | Information & communication | 2018 |
| JPR Motorsport Limited | Arts & recreation | 2001 |
| JRA Buysell Ltd | Real estate | 2025 |
| JRC Smiles Ltd | Health & social care | 2024 |
| JRH Loanco Limited | Financial services | 2016 |
| Jtjbmarine Ltd | Construction | 2026 |
| Jubilee Properties (Derby) Ltd | Real estate | 2018 |
| Just 4 Boys Ltd | Wholesale & retail | 2017 |
| K & S Fabrication Ltd | Construction | 2019 |
| Kalm Construction Ltd | Construction | 2026 |
| Kalmo Ltd. | Hospitality | 2017 |
| KB Export Sales UK Limited | Wholesale & retail | 2025 |
| Kelpor Clothing Ltd | Wholesale & retail | 2015 |
| Kemex Direct Limited | Manufacturing | 1999 |
| Kengs Barber Ltd | Other services | 2023 |
| Kenral Limited | Wholesale & retail | 1978 |
| Kensington Engineering Limited | Manufacturing | 2002 |
| Keogybears Ltd | Arts & recreation | 2018 |
| Key Plant Automation Limited | Wholesale & retail | 2009 |
| Key Plant Holdings Ltd | Professional & scientific | 2021 |
| Kingsmen Consultancy Limited | Information & communication | 2026 |
| Kirk Partnership Limited | Financial services | 2019 |
| Kirk Property Investments Limited | Real estate | 2019 |
| Knight E.S Limited | Professional & scientific | 2026 |
| Konak (Stockport) Limited | Hospitality | 2015 |
| Kooks Property Management Ltd | Hospitality | 2021 |
| KS Stars Academy Ltd | Arts & recreation | 2026 |
| Ktesius Investments Limited | Administrative & support | 2014 |
| Ktesius Projects Limited | Construction | 2014 |
| L Blakeman Rail Engineering Limited | Transport & logistics | 2025 |
| L Flower & Sons Ltd | Construction | 2005 |
| L.M. Bateman & Company Limited | Wholesale & retail | 1978 |
| LA Carreta Limited | Hospitality | 2019 |
| Ladymoor Farms Limited | Professional & scientific | 2000 |
| Laker Associates Ltd | Wholesale & retail | 2025 |
| Larksfield Consulting Limited | Professional & scientific | 2025 |
| Lasota Group Ltd | Administrative & support | 2017 |
| Lawlor Management Solutions Limited | Professional & scientific | 2013 |
| Lawrence K Associates Limited | Information & communication | 2003 |
| Lawtons Pies Limited | Hospitality | 2010 |
| League of Artisans CIC | Professional & scientific | 2022 |
| Leap Froggy Limited | Real estate | 2024 |
| Leaps Play Centre Ltd | Arts & recreation | 2019 |
| LEE Bennison Joinery Limited | Construction | 2009 |
| Leek Adventure Playground Ltd | Arts & recreation | 2022 |
| Leek American Candy Ltd | Wholesale & retail | 2024 |
| Leek and Biddulph Primary Care Network Limited | Health & social care | 2022 |
| Leek and Rudyard Railway Limited | Transport & logistics | 2015 |
| Leek Archery Club Limited | Arts & recreation | 2024 |
| Leek Care Group Ltd | Public administration | 2026 |
| Leek Co-Housing Limited | Construction | 2015 |
| Leek Community Children’S and Baby Library CIC | Administrative & support | 2023 |
| Leek Fryer Ltd | Hospitality | 2024 |
| Leek Gears Limited | Manufacturing | 2017 |
| Leek Golf Club (Trading) Ltd | Arts & recreation | 2024 |
| Leek Golf Club Limited(The) | Arts & recreation | 1939 |
| Leek Hearing Centre Ltd | Wholesale & retail | 2019 |