| PGM Sundecks and Lodges Limited | Construction | 2023 |
| Phil Heron Limited | Construction | 2024 |
| Polyxia Ltd | Information & communication | 2025 |
| Preciouskleans Limited | Administrative & support | 2024 |
| Prego Takeaway (Withernsea) Limited | Hospitality | 2023 |
| Prep Meals Yorkshire Ltd | Wholesale & retail | 2026 |
| Prima Withernsea Limited | Hospitality | 2021 |
| Protech Services Group Ltd | Construction | 2015 |
| Puzzlestore Ltd | Wholesale & retail | 2025 |
| R Dawson Decorators Ltd | Construction | 2015 |
| Raven Grounds Maintenance Ltd | Administrative & support | 2024 |
| Remap BHP Limited | Wholesale & retail | 2016 |
| Ripon Homes Ltd | Construction | 2025 |
| Ripon Homes Management Ltd | Real estate | 2025 |
| Rl(Frafs)Blc Limited | Professional & scientific | 2004 |
| Ross Pipe Services Ltd | Construction | 2015 |
| S and H Property Holdings (2024) Limited | Real estate | 2024 |
| SBO Haulage Limited | Transport & logistics | 2025 |
| Seaside Arts Space CIC | Arts & recreation | 2024 |
| Seaside Radio Limited | Information & communication | 2004 |
| Sensible, Defensible Plant Maintenance Ltd | Professional & scientific | 2016 |
| Sheltering Arms of Yorkshire Ltd | Health & social care | 2021 |
| Shoestring Media Ltd | Other services | 2019 |
| Skylark Farms (Owstwick) Ltd | Agriculture & fishing | 2025 |
| Southern Holderness Resource Centre | Other services | 2010 |
| Spider-Y Ltd | Arts & recreation | 2007 |
| Spread Eagle (Withernsea) Limited | Hospitality | 2018 |
| Ssconciergejk Ltd | Wholesale & retail | 2026 |
| Sterling Lettings (Yorkshire) Ltd | Real estate | 2026 |
| Sviuk Ltd | Wholesale & retail | 2013 |
| Sweeble Limited | Information & communication | 2008 |
| Swift Projects Limited | Construction | 2024 |
| T. Cook & SON (Farmers) Limited | Agriculture & fishing | 1952 |
| Takhar Khaira Limited | Hospitality | 2026 |
| Taylors Bakery (Hull) Limited | Wholesale & retail | 2019 |
| Technicube Limited | Information & communication | 2003 |
| Teenyworld Limited | Health & social care | 2003 |
| THE Alex Restaurant Ltd | Hospitality | 2017 |
| THE Captain Williams Ltd | Hospitality | 2022 |
| THE Chippie HUT Ltd | Hospitality | 2025 |
| THE Ozone Club Ltd | Hospitality | 2020 |
| THE PIE Lady's Farm Shop Ltd | Wholesale & retail | 2024 |
| THE Withernsea Golf Course Company Limited | Arts & recreation | 1989 |
| THECOMMERCIAL2023 Ltd | Hospitality | 2025 |
| Timber Team Properties Ltd | Households | 2025 |
| True North Event Hire Ltd | Administrative & support | 2025 |
| Turkish Style Barbers (Withernsea) Limited | Other services | 2019 |
| Turtle Berry Ltd | Professional & scientific | 2019 |
| Ultimate Interior Specialists Ltd | Construction | 2018 |
| Uncle Bub’S Ltd | Wholesale & retail | 2025 |
| Vape World Withernsea Ltd | Wholesale & retail | 2024 |
| Vernhill Limited | Wholesale & retail | 2024 |
| Wade Joiners Limited | Construction | 2016 |
| Wheeliegoodgolf Ltd | Administrative & support | 2025 |
| Withensea Market Ltd | Real estate | 2024 |
| Withernsea Carpets Ltd | Wholesale & retail | 2025 |
| Withernsea Makers: Art, Books & Crafts CIC | Arts & recreation | 2026 |
| Withernsea Tennis C.I.C. | Arts & recreation | 2024 |
| Withernsea Tots and Tides Ltd | Administrative & support | 2026 |
| Woodstock Panels Ltd | Wholesale & retail | 2020 |
| Woody's Shellfish Limited | Agriculture & fishing | 2024 |
| Yorkies Micro Limited | Hospitality | 2025 |