| Harkin Property Consultants Ltd | Real estate | 2024 |
| Harlow Consulting Services Limited | Professional & scientific | 2019 |
| Harlow Financial Planning Ltd | Financial services | 2014 |
| Harlow Grange (Harrogate) Limited | Hospitality | 1998 |
| Harlow Hill Coffee House Ltd | Hospitality | 2024 |
| Harlow Hill Properties Limited | Real estate | 2020 |
| Harlow Hilltop PRE School Limited | Education | 2008 |
| Harlow Kennels & Cattery Limited | Other services | 2014 |
| Harlow Manor Park Management Company Limited | Households | 1985 |
| Harlow Property Developments Limited | Real estate | 1999 |
| Harlow Riley Property Limited | Real estate | 2024 |
| Harlow Valley Management Company Limited | Households | 1996 |
| Harlow West Limited | Extraterritorial | 2025 |
| Harmil LLP | | 2007 |
| Harmony Hair and Beauty Ltd | Other services | 2012 |
| Haro Investments Limited | Real estate | 1997 |
| Harper Truck and Plant Limited | Extraterritorial | 2013 |
| Harpine Investments Limited | Hospitality | 1990 |
| Harpson Ltd | Real estate | 2025 |
| HARR1S Limited | Extraterritorial | 2016 |
| Harrier Solutions Ltd | Information & communication | 2025 |
| Harriet Saddington Ltd | Professional & scientific | 2023 |
| Harriet Says HI Ltd | Wholesale & retail | 2021 |
| Harris & Co Executive Search Limited | Administrative & support | 2019 |
| Harris Brunswick Limited | Wholesale & retail | 2024 |
| Harris Inc Limited | Professional & scientific | 2025 |
| Harris Westbrook Limited | Extraterritorial | 2025 |
| Harrison Bathrooms Limited | Wholesale & retail | 2009 |
| Harrison Closers Ltd | Administrative & support | 2025 |
| Harrison Contracting Company Limited | Construction | 2019 |
| Harrison Estates Limited | Real estate | 2021 |
| Harrison Gardner Dyers & Winders Limited | Manufacturing | 2014 |
| Harrison Gardner Holdings Limited | Professional & scientific | 2014 |
| Harrison Gardner Trustees Limited | Administrative & support | 2021 |
| Harrison Strength Coaching Ltd | Health & social care | 2021 |
| Harrisons Health Clinics Limited | Professional & scientific | 2019 |
| Harro Hare Law Ltd | Professional & scientific | 2023 |
| HARROG8 Limited | Information & communication | 2020 |
| Harrogate & Area Council for Voluntary Service Limited | Other services | 2011 |
| Harrogate & District Law Society | Professional & scientific | 2019 |
| Harrogate & District Travel Limited | Transport & logistics | 1988 |
| Harrogate 3G Limited | Arts & recreation | 2017 |
| Harrogate 8115 Limited | Hospitality | 2018 |
| Harrogate Accommodation BID Limited | Administrative & support | 2025 |
| Harrogate Aesthetics Ltd | Health & social care | 2007 |
| Harrogate Apartment Living Limited | Real estate | 2020 |
| Harrogate Architectural Limited | Professional & scientific | 2016 |
| Harrogate Audio Visual Services Limited | Information & communication | 2015 |
| Harrogate Auto Centre Limited | Wholesale & retail | 2011 |
| Harrogate Automation Controls Ltd | Manufacturing | 2014 |
| Harrogate Automation Ltd | Construction | 2012 |
| Harrogate Bathrooms Limited | Wholesale & retail | 2017 |
| Harrogate Beauty Academy Limited | Other services | 2015 |
| Harrogate Bespoke Pet Care Ltd | Agriculture & fishing | 2024 |
| Harrogate Bi-Folds Ltd | Construction | 2023 |
| Harrogate BID Limited | Administrative & support | 2017 |
| Harrogate Blinds Limited | Wholesale & retail | 2022 |
| Harrogate Boxing Club Ltd | Arts & recreation | 2022 |
| Harrogate Brow Bar Ltd | Other services | 2026 |
| Harrogate Building Company Ltd | Construction | 2018 |
| Harrogate Building Surveying Ltd | Professional & scientific | 2022 |
| Harrogate Business Finance Limited | Administrative & support | 2023 |
| Harrogate Business Luncheon Club Ltd | Administrative & support | 2015 |
| Harrogate Business Print & Communications Ltd. | Manufacturing | 2014 |
| Harrogate Candy Shop Ltd | Wholesale & retail | 2025 |
| Harrogate Chromes Limited | Health & social care | 2012 |
| Harrogate Cleaning Company Ltd | Administrative & support | 2011 |
| Harrogate Cleaning Solutions Ltd | Administrative & support | 2025 |
| Harrogate Commercial Limited | Extraterritorial | 2026 |
| Harrogate Commercial Warehousing Ltd | Transport & logistics | 2019 |
| Harrogate Community Radio Ltd | Information & communication | 2020 |
| Harrogate Computer Organisation Limited | Other services | 2024 |
| Harrogate Construction Limited | Construction | 2015 |
| Harrogate Consultancy Services Ltd | Information & communication | 2017 |
| Harrogate Country B&B Ltd | Hospitality | 2019 |
| Harrogate Crafteries Ltd | Hospitality | 2023 |
| Harrogate Decorative Ltd | Wholesale & retail | 2019 |
| Harrogate Deli Bar Ltd | Wholesale & retail | 2024 |
| Harrogate Dental Care Limited | Health & social care | 2018 |
| Harrogate Diamonds Ltd | Wholesale & retail | 2022 |
| Harrogate Distillery Ltd | Manufacturing | 2018 |
| Harrogate District Dance Limited | Other services | 2017 |
| Harrogate Djinn Ltd | Hospitality | 2018 |
| Harrogate Dog Groomers Ltd | Other services | 2024 |
| Harrogate Dog Walking Ltd | Other services | 2019 |
| Harrogate Electrical Limited | Construction | 2024 |
| Harrogate Estate Planning Ltd | Professional & scientific | 2018 |
| Harrogate Fairtrade Shop | Wholesale & retail | 2009 |
| Harrogate Family Law Holdings Limited | Financial services | 2026 |
| Harrogate Family Law Limited | Professional & scientific | 2011 |
| Harrogate Festival Development Ltd | Arts & recreation | 1991 |
| Harrogate Film Festival Limited | Arts & recreation | 2015 |
| Harrogate Finance Limited | Extraterritorial | 2026 |
| Harrogate Financial Planning Ltd | Professional & scientific | 2023 |
| Harrogate Fine Jewellery Gallery Limited | Wholesale & retail | 2014 |
| Harrogate Firewood Ltd | Wholesale & retail | 2024 |
| Harrogate Fisheries Limited | Hospitality | 2022 |
| Harrogate Five Star Properties Ltd | Construction | 2024 |
| Harrogate Footman Limited | Other services | 2012 |
| Harrogate Garage Conversions Limited | Construction | 2024 |