| R & D Civils Ltd | Construction | 2021 |
| R F Site Services Limited | Construction | 2018 |
| R Mason Engineering Services Ltd | Professional & scientific | 2018 |
| RAC Electrical Hornsea Ltd | Construction | 2024 |
| Rage Quit Cafe Bar Ltd | Hospitality | 2023 |
| Ralph Toogood Kitchens Limited | Wholesale & retail | 2007 |
| RCE Retail Ltd | Wholesale & retail | 2026 |
| Rebecca Hobson Ltd | Information & communication | 2026 |
| Recruit Monkey Ltd | Administrative & support | 2025 |
| Red Chilli Hornsea Tandoori Limited | Hospitality | 2025 |
| Revryan Ltd | Hospitality | 2020 |
| Ridley Mortgages Ltd | Financial services | 2024 |
| Rightway Electrical (Hornsea) Limited | Energy | 2019 |
| RJG Aviation Ltd | Manufacturing | 2016 |
| RKW IT Ltd | Information & communication | 2022 |
| RKW Property Ltd | Real estate | 2022 |
| Roberts Property Ventures Ltd | Real estate | 2025 |
| Rodev Limited | Professional & scientific | 2021 |
| Rosegarth Farm Kitchen Ltd | Hospitality | 2025 |
| Rpls Limited | Information & communication | 2003 |
| Rydom Trade Co., Limited | Wholesale & retail | 2025 |
| Sarah Holden Ltd | Wholesale & retail | 2020 |
| Sayda Ltd | Hospitality | 2018 |
| SB Services (Hornsea) Limited | Construction | 2019 |
| Sea View Country Park Limited | Hospitality | 2021 |
| Seatswood Architects Ltd | Administrative & support | 2016 |
| SGW 52 Ltd | Real estate | 2017 |
| SH Letting & Rental Ltd | Real estate | 2023 |
| She-Enjoys Ltd | Professional & scientific | 2015 |
| Shells by the Beach Limited | Hospitality | 2004 |
| Signature Properties (Wakefield) Limited | Real estate | 2017 |
| Sister Boutique Ltd | Wholesale & retail | 2020 |
| Skeldes Electronics Limited | Manufacturing | 2009 |
| Smart Air & Boilers Limited | Construction | 2026 |
| Song and Dance Essentials Limited | Information & communication | 2022 |
| Sonic Therapy Limited | Arts & recreation | 2024 |
| Southmereproperties Ltd | Households | 2022 |
| ST. Bede's (Hornsea) Management Company Limited | Households | 2004 |
| Stackhouse Events Ltd | Arts & recreation | 2019 |
| Stamford Electrical Ltd | Construction | 2018 |
| Stay Fast Leisure Limited | Wholesale & retail | 2007 |
| Streamline Logistics Yorkshire Ltd | Transport & logistics | 2025 |
| Sunbeam Properties Yorkshire Ltd | Real estate | 2025 |
| Super Cleaning Yorkshire Ltd | Administrative & support | 2025 |
| Swat Property Limited | Real estate | 2021 |
| T-Mark Catering Ltd | Hospitality | 2018 |
| TBM (Hornsea) Ltd | Wholesale & retail | 2016 |
| THE Butcher @ NO 23 Ltd | Wholesale & retail | 2021 |
| THE Flower Box Hornsea Ltd | Wholesale & retail | 2015 |
| THE Golden WOK 34 Ltd | Hospitality | 2022 |
| THE Healing Space Ltd | Health & social care | 2023 |
| THE Laser Room Hornsea Ltd | Other services | 2025 |
| THE North Holderness Museum of Village Life (Hornsea Museum) | Arts & recreation | 2006 |
| THE Protein Cakery Ltd | Manufacturing | 2025 |
| THE Saddle & SIP Ltd | Wholesale & retail | 2026 |
| THE Success Centre (East Yorkshire) Community Interest Company | Education | 2024 |
| This IS Bullish Ltd | Information & communication | 2022 |
| Tomserv Ltd | Construction | 2021 |
| Torbay Management Company Ltd | Real estate | 2022 |
| Torus Engineering Ltd | Construction | 2014 |
| Total Catering Solutions (UK) Ltd | Wholesale & retail | 2010 |
| UC Concepts Ltd | Information & communication | 2025 |
| VALUE-4IT Limited | Information & communication | 2006 |
| Venturi Group Limited | Wholesale & retail | 2018 |
| Vincent Property Holdings (Wakefield) Ltd | Real estate | 2018 |
| Vintage Fountain Pens Limited | Wholesale & retail | 2013 |
| Vintage PEN Parts Ltd | Other services | 2020 |
| Viralrespawn Limited | Other services | 2025 |
| Virtuality Works Limited | Extraterritorial | 2013 |
| Vivienne Joy Coaching Limited | Administrative & support | 2022 |
| Waterproof Seat Cover Co Ltd | Wholesale & retail | 2025 |
| Webster Property Holdings Limited | Real estate | 2016 |
| Whyte Properties Investment Ltd | Real estate | 2023 |
| Winworth Properties Limited | Households | 1984 |
| Wright Golf Services Limited | Professional & scientific | 2014 |
| Yorkshire Fatigue Clinic Limited | Health & social care | 2012 |
| Yorkshire Valeting Ltd | Administrative & support | 2026 |
| Zahle Ltd | Hospitality | 2018 |
| Zeta Specialist Electrical Consulting Ltd | Professional & scientific | 2026 |