| Purity Bridal [Halifax] Limited | Wholesale & retail | 2015 |
| PW Holdings (HX) Ltd | Financial services | 2025 |
| PW Properties Ltd | Real estate | 2022 |
| Q3 Apartments Limited | Households | 2005 |
| Q4 Apartments Limited | Households | 2006 |
| QSD Services Limited | Arts & recreation | 2025 |
| Quallty House Group Ltd | Agriculture & fishing | 2022 |
| R & J Dhillon's Ltd | Wholesale & retail | 2026 |
| R.B Electrical (Halifax) Limited | Construction | 2016 |
| R.C. Brady (UK) Limited | Manufacturing | 1999 |
| R.J Watts Autos Ltd | Wholesale & retail | 2019 |
| R.S. International Limited | Real estate | 2015 |
| Rachel Holden Consultancy Ltd | Professional & scientific | 2024 |
| Rachel Wrathmell Coaching and Consultancy Limited | Professional & scientific | 2020 |
| RAMCO1217 Limited | Financial services | 2017 |
| Raven IX Studio Ltd | Information & communication | 2017 |
| RBN Engineering Limited | Construction | 2025 |
| RCS Training and Consultancy Ltd | Education | 2013 |
| Ready AIM Forge Ltd | Wholesale & retail | 2025 |
| Red Jake Ltd | Hospitality | 2024 |
| Red Sky Support Ltd | Administrative & support | 2013 |
| Redmarley Projects Limited | Arts & recreation | 2011 |
| Reece-Jones Consulting Limited | Professional & scientific | 2013 |
| Reimagined Performance Ltd | Professional & scientific | 2025 |
| Remotely Olive Ltd | Professional & scientific | 2026 |
| Removals and Storage UK Limited | Transport & logistics | 2005 |
| Respiratory Matters Limited | Professional & scientific | 2011 |
| Reverse Triangle Event Production Ltd | Administrative & support | 2024 |
| Revolve Itad Solutions Ltd | Manufacturing | 2025 |
| Ricky's Airport Connections Ltd | Transport & logistics | 2024 |
| Ripponden Consulting Ltd | Financial services | 2025 |
| Ripponden Market Ltd | Wholesale & retail | 2025 |
| Ripponden Mini Market Ltd | Wholesale & retail | 2026 |
| Rishworth Hospitality Holdings Ltd | Hospitality | 2024 |
| Rishworth Hospitality Ltd | Hospitality | 2024 |
| River Mill Aesthetics Ltd | Other services | 2024 |
| RJ Hospitality Limited | Real estate | 2018 |
| RJB Construction Services Limited | Construction | 2020 |
| RMH Project Services Ltd | Information & communication | 2018 |
| Robert Lyons Holdings Ltd | Manufacturing | 2023 |
| Rock Drilling Technology Limited | Manufacturing | 1999 |
| Roecroft Development Ltd | Real estate | 2025 |
| Rosehill Manufacturing Ltd | Manufacturing | 1995 |
| Rosehill Polymers Group Holdings Ltd | Financial services | 2023 |
| Rosehill Polymers Group Limited | Financial services | 2007 |
| Roxy Bingo Club (Sowerby Bridge) Limited | Real estate | 1975 |
| RSB Construction (HX) Limited | Construction | 2003 |
| RTC Assist Ltd | Professional & scientific | 2022 |
| RWM Orthopaedics Ltd | Health & social care | 2019 |
| Ryburn Commercial Services Ltd | Professional & scientific | 2021 |
| Ryburn Construction Ltd | Construction | 2009 |
| Ryburn Controls Ltd | Professional & scientific | 2025 |
| Ryburn Gallery Limited | Agriculture & fishing | 2003 |
| Ryburn Textworks Ltd | Information & communication | 2016 |
| Ryburn Valley Payroll Services Ltd | Administrative & support | 2026 |
| S G Enterprise Limited | Real estate | 2011 |
| S P Amelie Properties Limited | Real estate | 2026 |
| S T B C Developments Limited | Construction | 2005 |
| S Trading Ltd | Wholesale & retail | 2025 |
| S.P.H. Electrical Services (Halifax) Limited | Construction | 2013 |
| SAB Consultancy Services Ltd | Administrative & support | 2020 |
| Safety School CIC | Education | 2025 |
| Saffron (Halifax) Ltd | Hospitality | 2017 |
| Saffron Bibi Ltd | Hospitality | 2024 |
| Samanya Investment Limited | Real estate | 2021 |
| Sault Social Ltd | Other services | 2025 |
| Savantor Consulting Limited | Extraterritorial | 1993 |
| Savantor Holdings Limited | Administrative & support | 2001 |
| Savantor International Ltd | Administrative & support | 2018 |
| Savantor Limited | Professional & scientific | 1997 |
| Savantor Management Limited | Professional & scientific | 2013 |
| SBD Laboratory Ltd | Health & social care | 2021 |
| SC Consultant Services Ltd | Professional & scientific | 2021 |
| Schenshall Finance Limited | Administrative & support | 2026 |
| SCR Distribution Limited | Wholesale & retail | 2021 |
| SEF Legal Assistance Ltd | Professional & scientific | 2008 |
| Select Developments Limited | Construction | 1999 |
| Self Protection Solutions Limited | Wholesale & retail | 2025 |
| SEP Structures Ltd | Construction | 2020 |
| Serendipity Bridal Ltd | Wholesale & retail | 2024 |
| Shapland Property Group Ltd | Households | 2023 |
| Shenzhen Trading Ltd | Wholesale & retail | 2025 |
| Sight 'N' Sound Limited | Administrative & support | 2018 |
| Simple in Design Limited | Extraterritorial | 2023 |
| Slaithwaite Property Company Ltd | Real estate | 2013 |
| SLF Stud Ltd | Agriculture & fishing | 2023 |
| SLK Holdings Limited | Construction | 2020 |
| Smales Radiation Services Ltd | Professional & scientific | 2018 |
| Smart Frame UK Ltd | Construction | 2025 |
| Smith Agency Ltd | Information & communication | 2017 |
| Snappy Holdings Ltd | Administrative & support | 2025 |
| Sonder Developments Ltd | Construction | 2024 |
| Soul Cafe Ltd | Hospitality | 2026 |
| Soul Wellness C.I.C. | Health & social care | 2023 |
| Sovereign and Newbank House RTM Company Limited | Households | 2021 |
| Sowerby Bridge CIC | Administrative & support | 2026 |
| Sowerby Bridge Day Nursery Ltd | Education | 2016 |
| Sowerby Bridge Readymix Limited | Manufacturing | 2005 |
| Sowerby Delight Limited | Hospitality | 2026 |
| Sowerby Food Delights Ltd | Hospitality | 2026 |