| 00143104 Limited | Manufacturing | 1916 |
| 1 the Esplanade & 1 Abbey Terrace Whitby RTM Company Limited | Real estate | 2024 |
| 1 to BE Support Ltd | Administrative & support | 2024 |
| 1 Tyremen Limited | Wholesale & retail | 1977 |
| 10 Hairdressing (Hull) Ltd | Other services | 2014 |
| 10 of Hearts Ltd | Information & communication | 2023 |
| 101 Property Limited | Real estate | 2025 |
| 10449758 Ltd | Professional & scientific | 2016 |
| 105 Park Grove Ltd | Households | 2024 |
| 107FM Ltd | Information & communication | 2021 |
| 1111 Hair and Beauty Ltd | Other services | 2011 |
| 12 Medley Road (Management) Limited | Real estate | 2009 |
| 121 Digital Marketing Ltd | Professional & scientific | 2023 |
| 121 Greenwood Avenue CIC | Hospitality | 2026 |
| 121 Plumbing Solutions Limited | Manufacturing | 2004 |
| 126 the Boulevard Limited | Construction | 2007 |
| 147 Social Limited | Other services | 2020 |
| 151 Trading Collective Ltd | Wholesale & retail | 2022 |
| 16590626 Ltd | Other services | 2025 |
| 18 ATK Properties Ltd | Real estate | 2022 |
| 19 Cleveland Terrace (Whitby) Management Company Ltd | Households | 2009 |
| 1A Above Beauty Limited | Other services | 2020 |
| 1ST Choice Blinds and Nets Ltd | Wholesale & retail | 2009 |
| 1ST Choice Property Sourcers Ltd | Real estate | 2024 |
| 1ST Class Cleaning Limited | Administrative & support | 2026 |
| 1ST Class Fruit and VEG Ltd | Wholesale & retail | 2025 |
| 1ST Harmonic Ltd | Professional & scientific | 2020 |
| 2020 Training Ltd | Education | 2020 |
| 213 Boulevard RTM Company Limited | Households | 2025 |
| 21ST 100 Network Ltd. | Information & communication | 2025 |
| 222 Park Avenue (Flats) Limited | Households | 2005 |
| 225 Cars Ltd | Transport & logistics | 2019 |
| 24 Seven Lifestyle CIC | Manufacturing | 2024 |
| 24 Seven Lifestyle Media Limited | Manufacturing | 2025 |
| 24/7 Exceptional Care & Recruitment Services Limited | Administrative & support | 2021 |
| 24/7 JP Maintenance Limited | Professional & scientific | 2006 |
| 247 Maintenance Ltd | Construction | 2023 |
| 24HRELECTRICALSERVICES Ltd | Construction | 2012 |
| 254 Cottingham Road (Management) Limited | Households | 1977 |
| 274 Automobiles Limited | Wholesale & retail | 2025 |
| 2811 Ltd | Real estate | 2026 |
| 295 Anlaby Road Limited | Real estate | 2021 |
| 295/297 Anlaby Road Management Company Limited | Professional & scientific | 1991 |
| 2CAN Mechanical Consultancy Limited | Professional & scientific | 2021 |
| 2ND Star on the Right Management Company Limited | Households | 2004 |
| 2PEUPRODUCTION Ltd | Wholesale & retail | 2026 |
| 3 Continents Event Limited | Hospitality | 2024 |
| 3 Core Electrical Engineering Limited | Construction | 2010 |
| 3 Crowns Interiors Ltd | Construction | 2023 |
| 3156 Promotions Limited | Arts & recreation | 2026 |
| 33 Properties Ltd | Real estate | 2023 |
| 354 Solutions Ltd | Transport & logistics | 2025 |
| 360 Accountants Limited | Professional & scientific | 2009 |
| 360 Office (Holdings) Limited | Real estate | 2019 |
| 360 Office (North) Limited | Manufacturing | 2021 |
| 360 Office Limited | Administrative & support | 2018 |
| 360MENTOR Limited | Professional & scientific | 2016 |
| 365 Cleaning Services Ltd | Administrative & support | 2025 |
| 381A Ltd | Wholesale & retail | 2026 |
| 3C3A Limited | Agriculture & fishing | 2024 |
| 3C3IMPACT Ltd | Information & communication | 2025 |
| 3G Global Limited | Wholesale & retail | 2026 |
| 3R Payroll Limited | Financial services | 2016 |
| 4 Corners Projects Ltd | Construction | 2018 |
| 4 Penni Ltd | Professional & scientific | 1995 |
| 4 Probate and Wills Ltd | Professional & scientific | 2018 |
| 4 Quarters Management Ltd | Real estate | 2021 |
| 40/TWENTY Events Limited | Hospitality | 2025 |
| 41 Cottingham Road Limited | Real estate | 2023 |
| 428 Convenience Store Ltd | Wholesale & retail | 2026 |
| 42SID Ltd | Information & communication | 2025 |
| 43 Academy Ltd | Education | 2026 |
| 43 Clicks North Ltd | Information & communication | 2017 |
| 43 Labs Ltd | Wholesale & retail | 2020 |
| 431 SMB Limited | Hospitality | 2019 |
| 4A Security Limited | Financial services | 2025 |
| 4D Electrical Services Ltd | Construction | 2018 |
| 4SHORE UK Limited | Real estate | 2018 |
| 5 Nails & Spa Limited | Other services | 2022 |
| 5 Normanby Terrace Management Limited | Households | 2007 |
| 5 Star Barber 1 Ltd | Other services | 2023 |
| 5 Star Lasering Limited | Health & social care | 2021 |
| 5 Star Pizza 1 Ltd | Hospitality | 2025 |
| 50/50 Events Ltd | Professional & scientific | 2018 |
| 506 Care Ltd | Administrative & support | 2025 |
| 54 the Avenue Limited | Households | 2010 |
| 5CS Risk Advisory Ltd | Professional & scientific | 2022 |
| 5FOUR Payroll Bureau Limited | Extraterritorial | 2009 |
| 6 Springhill Terrace Management Company Limited | Households | 2016 |
| 6 Steps Project Management Limited | Construction | 2024 |
| 67 HS Ltd | Hospitality | 2023 |
| 7 3 Solutions Limited | Information & communication | 2004 |
| 7 Pearson Park Management Company Limited | Households | 2003 |
| 7B&E Ltd | Households | 2025 |
| 7C Solutions Limited | Construction | 2016 |
| 7TH Gear Media Ltd | Professional & scientific | 2022 |
| 8.2.2 Properties Ltd | Construction | 2026 |
| 800 Club Limited | Hospitality | 2019 |
| 831 Gipsyville Ltd | Hospitality | 2026 |
| 87 Gallery Limited | Financial services | 2021 |