| Hulltimate Software Solutions Ltd | Information & communication | 2019 |
| Human Brilliance Ltd | Administrative & support | 2023 |
| Humans (England) Ltd | Administrative & support | 2021 |
| Humba Group Ltd | Professional & scientific | 2024 |
| Humber Accountancy Solutions Limited | Professional & scientific | 2018 |
| Humber AI Innovation Holdings Ltd | Information & communication | 2025 |
| Humber ALL Nations Alliance Limited | Other services | 2005 |
| Humber Apprentice Training Agency Limited | Administrative & support | 2016 |
| Humber Books Ltd | Wholesale & retail | 2014 |
| Humber Business Forum Limited | Administrative & support | 2011 |
| Humber Business Resilience Forum Limited | Other services | 2016 |
| Humber Business Supplies Ltd | Wholesale & retail | 2025 |
| Humber Capital Management Consultants Limited | Professional & scientific | 2018 |
| Humber Cast Stone Ltd | Manufacturing | 2018 |
| Humber Civils Limited | Construction | 2018 |
| Humber Community Advice Services Limited | Information & communication | 2012 |
| Humber Construction & Landscaping Ltd | Construction | 2021 |
| Humber Design Ltd | Information & communication | 2024 |
| Humber Developments Limited | Construction | 2021 |
| Humber Digital Ltd | Information & communication | 2019 |
| Humber Distribution & Logistics Ltd | Administrative & support | 2017 |
| Humber East Holdings Ltd | Energy | 2023 |
| Humber Ec&I Contracting Limited | Construction | 2022 |
| Humber Ec&I Limited | Manufacturing | 2021 |
| Humber Education Trust | Education | 2013 |
| Humber Energy Board Limited | Other services | 2024 |
| Humber Enterprise Partnership Limited | Administrative & support | 2011 |
| Humber Entrance Systems Ltd | Manufacturing | 2025 |
| Humber Equine VET Ltd | Professional & scientific | 2020 |
| Humber Executive Limited | Extraterritorial | 2016 |
| Humber Fascias and Windows Limited | Construction | 2004 |
| Humber Floor Solutions Limited | Construction | 2021 |
| Humber Flooring Limited | Construction | 2024 |
| Humber Foods Limited | Hospitality | 2018 |
| Humber Freeport Company Limited | Other services | 2021 |
| Humber Group Limited | Real estate | 2025 |
| Humber Healthcare Limited | Administrative & support | 2015 |
| Humber Homes Renovations Ltd | Construction | 2021 |
| Humber Homes Rentals Ltd | Real estate | 2025 |
| Humber House Maintenance Ltd | Real estate | 2022 |
| Humber Injury Clinic Limited | Health & social care | 2019 |
| Humber JOB Hub CIC | Other services | 2018 |
| Humber Junior Squash Academy | Arts & recreation | 2011 |
| Humber K9 Supplies Ltd | Wholesale & retail | 2025 |
| Humber Keel and Sloop Preservation Society Limited (the) | Arts & recreation | 1974 |
| Humber Learning Consortium | Education | 2002 |
| Humber Lets Ltd | Real estate | 2021 |
| Humber Lettings Ltd | Real estate | 2019 |
| Humber Lining Ltd | Construction | 2026 |
| Humber Local Enterprise Partnership Limited | Administrative & support | 2011 |
| Humber Locals Limited | Hospitality | 2025 |
| Humber Maintenance Ltd | Real estate | 2022 |
| Humber Mobility Ltd | Wholesale & retail | 2022 |
| Humber Moto Breakers Ltd | Wholesale & retail | 2026 |
| Humber Natural Capital Ltd. | Professional & scientific | 2026 |
| Humber Noir Limited | Administrative & support | 2016 |
| Humber Panels Limited | Professional & scientific | 2001 |
| Humber Personnel Labour Agency Limited | Administrative & support | 2013 |
| Humber Plant Ltd | Professional & scientific | 2020 |
| Humber Prop Ltd | Real estate | 2022 |
| Humber Property Solutions Ltd | Real estate | 2024 |
| Humber Recovery and Transport Ltd | Wholesale & retail | 2018 |
| Humber Refrigeration Services Limited | Manufacturing | 2022 |
| Humber Ribs Group Ltd | Manufacturing | 2024 |
| Humber Roofing Limited | Construction | 2025 |
| Humber Sales & Lettings Ltd | Real estate | 2017 |
| Humber Satellite Limited | Information & communication | 2015 |
| Humber SEC Services Limited | Professional & scientific | 2016 |
| Humber Security Services Limited | Administrative & support | 2013 |
| Humber Shine Cleans Limited | Construction | 2023 |
| Humber Shots Company Limited | Hospitality | 2021 |
| Humber Street 10/11 Limited | Real estate | 2018 |
| Humber Street 22/23 Limited | Real estate | 2018 |
| Humber Street 24/25 Limited | Real estate | 2018 |
| Humber Street Ltd | Wholesale & retail | 2018 |
| Humber Street Property Co Limited | Real estate | 2018 |
| Humber Street Residential Management Co Limited | Real estate | 2018 |
| Humber Street Sesh CIC | Arts & recreation | 2025 |
| Humber Street Studios Limited | Arts & recreation | 2019 |
| Humber Tavern Limited | Hospitality | 2025 |
| Humber Theatre Tech C.I.C. | Arts & recreation | 2024 |
| Humber Tool and Plant Hire Ltd | Administrative & support | 2024 |
| Humber Trades Limited | Construction | 2024 |
| Humber Training & Driver Solutions Ltd | Education | 2023 |
| Humber Truck Services Ltd | Wholesale & retail | 2022 |
| Humber Vehicle Glass Ltd | Wholesale & retail | 2026 |
| Humber Ventures Limited | Real estate | 1984 |
| Humber VTS Training Limited | Professional & scientific | 2011 |
| Humber Wellbeing Services CIC | Health & social care | 2023 |
| Humber Wind Services Ltd | Construction | 2023 |
| Humberside Builders Merchants Limited | Professional & scientific | 1985 |
| Humberside Carpets Limited | Wholesale & retail | 1965 |
| Humberside Craftsmen Limited | Professional & scientific | 1983 |
| Humberside Electrical Ltd | Construction | 2008 |
| Humberside Energy Limited | Construction | 2018 |
| Humberside Engineering Training Association Limited | Education | 1971 |
| Humberside Equipment Limited | Administrative & support | 2020 |
| Humberside Fish Producers' Organisation Limited | Other services | 2009 |
| Humberside G.E.S. Limited | Wholesale & retail | 1987 |
| Humberside Jewellers Limited | Wholesale & retail | 2024 |