| Heatlec UK Ltd | Construction | 2026 |
| Heatley Heath Management Company Limited | Real estate | 2005 |
| HER Muse Ltd | Other services | 2025 |
| Hhazza Ltd | Professional & scientific | 2020 |
| Hidden GEM Holiday Cottages Limited | Hospitality | 2025 |
| High Vent UK Ltd | Construction | 2018 |
| Higher Lane Consortium Limited | Households | 2001 |
| Higher Oak Limited | Agriculture & fishing | 2011 |
| Hillside Childcare Limited | Education | 2015 |
| Hilltop Day Nurseries (Cheshire) Limited | Education | 2007 |
| HLS Medical Limited | Health & social care | 2015 |
| Hoban Family Investment Company Limited | Financial services | 2021 |
| Hodson Consultants Limited | Professional & scientific | 2020 |
| Holdout Measurement Ltd | Information & communication | 2026 |
| Hollies Day Nurseries Ltd | Health & social care | 2003 |
| Hollingarth Limited | Education | 2001 |
| Holly Grange Montessori Nursery (Cuddington) Limited | Education | 2012 |
| Holly Grange Montessori Nursery (Lymm) Limited | Education | 2016 |
| Holly Grange Montessori Nursery (Sandbach) Limited | Education | 2019 |
| Home and Away Properties Ltd | Real estate | 2022 |
| Home Property & Lettings Limited | Real estate | 2022 |
| Homestyle Conservatories Limited | Transport & logistics | 1990 |
| Hometown Plus Technologies Limited | Real estate | 2017 |
| Homevideo Ltd | Information & communication | 2021 |
| Hopkinsons of Lymm Limited | Wholesale & retail | 2003 |
| Hot Dogs Cool Cats Limited | Wholesale & retail | 2003 |
| Houlkair Ltd | Energy | 2020 |
| Hunter & Houghton Engineering Ltd. | Manufacturing | 2024 |
| Hunter+Partners Ltd | Information & communication | 2023 |
| Hydra Cleaning Limited | Administrative & support | 2026 |
| I-Ug Limited | Other services | 2026 |
| I2J Consulting Ltd | Professional & scientific | 2024 |
| IAN Clough Inspection Limited | Professional & scientific | 2007 |
| IB Fire Safety Consultancy Limited | Public administration | 2025 |
| ICQ Services Ltd | Professional & scientific | 2021 |
| Indie Lymm Limited | Hospitality | 2023 |
| Infinity Thinking Limited | Manufacturing | 2025 |
| Innovative Power and Metal Technologies Ltd | Financial services | 2025 |
| Insectum Limited | Wholesale & retail | 2022 |
| Inside OUT Nurseries Limited | Education | 2015 |
| Insta Paint Ltd | Manufacturing | 2025 |
| Instem Ventures Limited | Professional & scientific | 2010 |
| Integral Design & Management Ltd | Professional & scientific | 2007 |
| Investian Limited | Financial services | 2021 |
| Investment to Rent Ltd | Real estate | 2021 |
| Invicta WF Ltd | Administrative & support | 2026 |
| Invictus Darts Management Ltd | Arts & recreation | 2025 |
| IT Assist NW Limited | Other services | 2024 |
| Itshoudntdothat Ltd | Professional & scientific | 2025 |
| J & M Property Management Limited | Real estate | 1999 |
| J D Developement Limited | Construction | 2019 |
| J K Patterson Ltd | Professional & scientific | 2018 |
| J S Drylining Ltd | Construction | 2023 |
| J T Hirst Ltd | Health & social care | 2026 |
| J&L Star Hospitality Ltd | Hospitality | 2021 |
| J. Morgan Consulting Limited | Professional & scientific | 2000 |
| Jackson's Estates Ltd | Real estate | 2018 |
| JBX Consulting Limited | Professional & scientific | 2015 |
| JBX Holdco Limited | Financial services | 2018 |
| JCM Mortgages Ltd | Financial services | 2016 |
| Jeff Wood Visuals Limited | Information & communication | 2012 |
| Jeffrey's Corner Private Day Nursery Limited | Health & social care | 2001 |
| Jellybabies Day Nursery Ltd | Education | 2003 |
| Jesse Oldfield Limited | Real estate | 1995 |
| JFD Medical Limited | Health & social care | 2013 |
| JH Bowling Ltd | Professional & scientific | 2019 |
| JJ Prof Ventures Limited | Education | 2016 |
| Jjkaf Ltd | Other services | 2018 |
| Jkvl Properties Limited | Real estate | 2016 |
| Johoco 2116 Limited | Real estate | 2012 |
| JP Online Creative Limited | Information & communication | 2011 |
| JPD Consulting Limited | Professional & scientific | 1996 |
| JPS Test Ltd | Information & communication | 2021 |
| Jptradingcards Ltd | Wholesale & retail | 2024 |
| Jukanti Ltd | Health & social care | 2014 |
| Jukanti Properties Limited | Real estate | 2018 |
| Jukebox Band Limited | Arts & recreation | 2016 |
| Julie Perry Events Ltd | Other services | 2010 |
| Juxtapose Ltd. | Professional & scientific | 2013 |
| JW Offshore Ltd | Professional & scientific | 2013 |
| K & Co Development Limited | Real estate | 2025 |
| K Greenwood AI Services Ltd | Professional & scientific | 2012 |
| K&Co Homes Limited | Construction | 2018 |
| Kaleidoscope Breath Limited | Other services | 2025 |
| Kara Viam Ltd | Professional & scientific | 2020 |
| Katies Kinder Care Limited | Education | 2011 |
| KB Livery Yard Ltd | Agriculture & fishing | 2018 |
| KB Property Projects Limited | Real estate | 2021 |
| Keate House Residential Home Limited | Health & social care | 2002 |
| Keesons Limited | Households | 2015 |
| Keoko Clothing Ltd | Wholesale & retail | 2023 |
| Kerrin Financial Services Ltd | Professional & scientific | 2017 |
| Key Entry Limited | Administrative & support | 2013 |
| Kids Allowed Academy Limited | Education | 2007 |
| Kids Allowed Limited | Professional & scientific | 2004 |
| Kids Planet Day Nurseries Limited | Education | 2008 |
| Kids Planet Meithrinfa Dyddiol Ltd. | Education | 1999 |
| Kids Planet Propco Limited | Health & social care | 2011 |
| Kids Start Ltd | Health & social care | 2013 |
| Kidz Playtime Investments Limited | Professional & scientific | 2014 |