| High Road Training Ltd | Administrative & support | 1996 |
| Highfield House (Skipton) Limited | Hospitality | 2010 |
| Hirst Yarns Ltd | Wholesale & retail | 2023 |
| Hodson and Scott Property Limited | Real estate | 2018 |
| Hoks Property Ltd | Real estate | 2024 |
| Holiday Cottages (Yorkshire) Limited | Administrative & support | 1983 |
| Holidays in the UK Limited | Administrative & support | 1997 |
| Hollindrake Painters & Decorators Limited | Construction | 2021 |
| Holme Building Contractors Limited | Construction | 2013 |
| Holme Grown Eastby CIC | Agriculture & fishing | 2021 |
| Holy Trinity Skipton Support Group Limited | Wholesale & retail | 2006 |
| Hooloovoo Ltd | Financial services | 2025 |
| Hornshaw Farms Ltd | Agriculture & fishing | 2024 |
| Hornshaw Haulage Ltd | Transport & logistics | 2024 |
| Horton Lodge Residents Limited | Other services | 2004 |
| Hospitality Rewards Ltd | Administrative & support | 2021 |
| Hounsfield Properties Limited | Households | 2010 |
| Housing Systems Ltd | Information & communication | 1995 |
| Howarth Construction Limited | Construction | 2004 |
| Howden Hall Properties Ltd | Real estate | 2012 |
| Howgill Campsite Ltd | Hospitality | 2020 |
| Howgill Game Ltd | Arts & recreation | 2026 |
| HR & Employment Law Solutions Limited | Administrative & support | 2009 |
| HRL Group Ltd | Professional & scientific | 2019 |
| HTN Construction and Engineering Services Limited | Construction | 2015 |
| Hutchinson Scott Limited | Wholesale & retail | 2016 |
| Hutchinson's Holdings Ltd | Financial services | 2026 |
| I D Autocentre Ltd | Wholesale & retail | 2025 |
| IAN Eggleston Contracting Limited | Construction | 2020 |
| ICC Digital Ltd | Professional & scientific | 2016 |
| Ice Cream Derby Limited | Wholesale & retail | 2022 |
| Icon Web Design Limited | Information & communication | 2014 |
| Icotyre Limited | Wholesale & retail | 2018 |
| ICT Workshop Solutions Limited | Administrative & support | 2009 |
| Id-Ea Press Limited | Information & communication | 2025 |
| Ideas With Energy Limited | Professional & scientific | 2009 |
| Idemo Ltd | Professional & scientific | 2023 |
| Illuminex Ltd | Professional & scientific | 2026 |
| Imaginarium Academy Ltd | Education | 2022 |
| Imaginarium Seed Ltd. | Information & communication | 2013 |
| Imagine Ireland Holdings Limited | Financial services | 2020 |
| Implicity Limited | Professional & scientific | 2015 |
| Impressive Labels (Gargrave) Limited | Manufacturing | 2021 |
| IN Balance FP Limited | Information & communication | 2019 |
| IN Focus Developments Ltd | Professional & scientific | 2016 |
| IN the PEN Events Ltd | Arts & recreation | 2026 |
| Independent Office Equipment Limited | Wholesale & retail | 1990 |
| Industry Hub & Co Limited | Administrative & support | 2026 |
| Ingleton Scenery Company Limited | Wholesale & retail | 1997 |
| Ingrow Properties Limited | Real estate | 1962 |
| Inner Landscape Ltd | Information & communication | 2025 |
| Innervision MRI Limited | Professional & scientific | 1993 |
| Innovate Dental Studio Ltd | Health & social care | 2016 |
| Inntact Ltd | Information & communication | 2026 |
| Inooma Limited | Information & communication | 2020 |
| Inspired by YOU Events Limited | Administrative & support | 2024 |
| Installation Tank Solutions Ltd | Manufacturing | 2023 |
| Intake Energy Limited | Energy | 2012 |
| Inter Online Ltd | Information & communication | 2004 |
| Interfurn Trading Ltd | Wholesale & retail | 2006 |
| International Plant Propagation Technology Ltd | Wholesale & retail | 1997 |
| Intouch Skipton Limited | Administrative & support | 2013 |
| Investment Solutions (Corporate Benefits) Limited | Financial services | 2010 |
| Investor Compensation (Claims) LLP | | 2007 |
| Investor Compensation (UK) Limited | Financial services | 2011 |
| Ireland Precision Engineering Ltd | Professional & scientific | 2022 |
| Ironside Fitness Ltd | Arts & recreation | 2018 |
| Ishuzi Ltd | Information & communication | 2025 |
| Isobel Giltrow Ltd | Professional & scientific | 2024 |
| Istanbul Barber (Skipton) Ltd | Other services | 2024 |
| Istanbul Barbers Skipton Ltd | Other services | 2023 |
| IVY House Gardens Management Co. Limited | Professional & scientific | 1988 |
| Iwaycode Limited | Information & communication | 2023 |
| J & J Black LAB Inns Limited | Hospitality | 2023 |
| J & L Haulage Limited | Transport & logistics | 2010 |
| J & W Shuttleworth Ltd | Agriculture & fishing | 2025 |
| J a Agriculture Limited | Agriculture & fishing | 2014 |
| J and C Landscapes Ltd | Administrative & support | 2025 |
| J Brooksbank Limited | Real estate | 1998 |
| J C Cowgill Developments Ltd | Real estate | 2021 |
| J Davis Plastering Limited | Construction | 2019 |
| J F Parker Limited | Professional & scientific | 2026 |
| J J Life Limited | Wholesale & retail | 2026 |
| J N Shuttleworth (Eastburn) Limited | Construction | 2012 |
| J Reynolds Electrical & Home Services Limited | Construction | 2016 |
| J V Recruitment Limited | Administrative & support | 2011 |
| J Wetherill Consultancy Limited | Information & communication | 2013 |
| J&L Rendering Limited | Construction | 2012 |
| J&O Homes Ltd | Real estate | 2024 |
| J&O Limited | Hospitality | 2020 |
| J.A. Townson & Sons Limited | Real estate | 1978 |
| J.N. Bentley Limited | Construction | 1972 |
| J4 Property Ltd | Professional & scientific | 2015 |
| Jaba Systems Ltd | Information & communication | 2013 |
| Jack Foster Ltd | Agriculture & fishing | 2024 |
| Jacs (Keighley) Limited | Wholesale & retail | 2003 |
| Jacs (Skipton) Limited | Financial services | 2019 |
| JAM Electrics Ltd | Construction | 2024 |
| James Atha Ltd | Professional & scientific | 2023 |
| James Homes (Yorkshire) Limited | Wholesale & retail | 1997 |