| Principia Programme Delivery Limited | Professional & scientific | 2026 |
| Priory TEC Park Limited | Administrative & support | 2007 |
| Procla Ltd | Construction | 2004 |
| Professional Fire Systems Limited | Administrative & support | 2011 |
| Progarm Limited | Manufacturing | 2013 |
| Progeny Investments Limited | Financial services | 2020 |
| Projectflex Limited | Arts & recreation | 2023 |
| Property and Business Ltd | Information & communication | 2022 |
| Protection Dogs Sale Worldwide Ltd | Other services | 2017 |
| Protection Dogs Worldwide Limited | Other services | 2015 |
| Protection Dogs Worldwide Training Ltd | Other services | 2020 |
| PS Construction (Hull) Ltd | Construction | 2015 |
| Pure Renewables Commercial Limited | Construction | 2021 |
| Pure Renewables Holdings Limited | Financial services | 2023 |
| Pure Renewables Limited | Extraterritorial | 2011 |
| Pureurban Limited | Real estate | 2003 |
| Pureurban Mscp Limited | Real estate | 2007 |
| Purex EOT Limited | Professional & scientific | 2025 |
| Purex International Limited | Manufacturing | 2004 |
| Quality Care UK Limited | Health & social care | 1999 |
| R & R Foods Ltd | Wholesale & retail | 2019 |
| R Mason Aviation Ltd | Manufacturing | 2026 |
| R&G Bars Ltd | Hospitality | 2025 |
| R&M Groundworks Ltd | Construction | 2013 |
| R-Cadz Limited | Information & communication | 2012 |
| R.& A.Bayston Limited | Agriculture & fishing | 1954 |
| R.H.Mountifield (Brantingham) Limited | Agriculture & fishing | 1950 |
| R.N.A. Property Developments Limited | Construction | 2016 |
| Radiolec Ltd | Wholesale & retail | 2021 |
| Ragnarok Meadery Ltd | Wholesale & retail | 2024 |
| Raikes Court Freehold Management Company Limited | Households | 1994 |
| Raikes Second Flats Association Limited | Real estate | 1986 |
| Rainfen Gundogs Limited | Agriculture & fishing | 2021 |
| Ramsbury Limited | Real estate | 2012 |
| Ransom Electrical Ltd | Manufacturing | 2023 |
| Raymond Batty Limited | Professional & scientific | 1985 |
| RB Lettings Limited | Real estate | 2018 |
| RBT Cleaning Services Ltd | Administrative & support | 2025 |
| RBT Ltd | Transport & logistics | 2003 |
| Red Risk Management Ltd | Construction | 2024 |
| Red Stag Media Ltd | Professional & scientific | 2019 |
| Redwoods Property Holdings Ltd | Real estate | 2024 |
| Reeves Holdings Group Ltd | Public administration | 2025 |
| Reeves Transport Ltd | Transport & logistics | 2024 |
| Regenerate European Sustainable Agriculture LP | | 2022 |
| Renco Commercial Coverings Limited | Construction | 2022 |
| Render East Ltd | Construction | 2014 |
| Reset by Georgina Ltd | Health & social care | 2026 |
| Resolution Property Holdings Limited | Real estate | 2025 |
| Rexrob Engineering Limited | Manufacturing | 2014 |
| Ridings Financial Recruitment Limited | Administrative & support | 2025 |
| Ridings River & Wolds Ltd | Health & social care | 2026 |
| Risby Sporting Club Limited | Arts & recreation | 2025 |
| Riverside Travel (East Yorkshire) Limited | Transport & logistics | 2004 |
| Riverview Accounting Solutions Limited | Professional & scientific | 2025 |
| RJW Aerospace Services Ltd | Manufacturing | 2023 |
| Rkns Retail Ltd | Wholesale & retail | 2023 |
| RKR Catering Ltd | Wholesale & retail | 2020 |
| RMR Commercial Engineering Ltd | Wholesale & retail | 2012 |
| Roadrunner Racing Limited | Administrative & support | 2007 |
| Robinson & Oaks Ltd | Real estate | 2025 |
| Roccabond Limited | Wholesale & retail | 2020 |
| Rockbury Limited | Financial services | 2011 |
| Rockwater Capital Partners Ltd | Financial services | 2025 |
| Rocs Property Investment Ltd | Real estate | 2022 |
| Rogine Care Ltd | Health & social care | 2019 |
| RON Wood Consulting Limited | Administrative & support | 2016 |
| Rona Hull Ltd | Other services | 2025 |
| Ross Interim Limited | Manufacturing | 2010 |
| Roteq Ltd | Professional & scientific | 2021 |
| Rothec Limited | Health & social care | 2013 |
| Rowan Rural Services Ltd | Agriculture & fishing | 2017 |
| RP Healthcare Private Limited | Real estate | 2021 |
| RS Building Control Limited | Professional & scientific | 2015 |
| RS Capital Management Limited | Information & communication | 2003 |
| RS Electrical Services (Hull) Ltd | Construction | 2021 |
| Rsjs Investments Limited | Professional & scientific | 2016 |
| Rumentec Commodities Ltd | Manufacturing | 2018 |
| Ruskin Administrative Services Limited | Financial services | 2024 |
| Ruskin Tax Ltd | Professional & scientific | 2024 |
| Russ Deliveries Limited | Construction | 2012 |
| Ruston Holiday Lets Limited | Hospitality | 2021 |
| RVR Property Ltd | Real estate | 2024 |
| Ryeland Investment Properties Limited | Real estate | 2020 |
| S & a Accountants Limited | Professional & scientific | 2015 |
| S Fell Limited | Wholesale & retail | 2006 |
| S Hardaker Limited | Wholesale & retail | 2016 |
| S J Panton Limited | Agriculture & fishing | 2003 |
| S J Waby Limited | Construction | 2005 |
| S R S Joinery & Building Limited | Construction | 2008 |
| S&C Rescue Services Limited | Manufacturing | 2006 |
| Sam's Grill and Fisheries Limited | Hospitality | 2020 |
| Samantha Scaife Aesthetics and Beauty Ltd | Wholesale & retail | 2024 |
| Sandtoft Tyres Ltd | Wholesale & retail | 2020 |
| Saptagiri Limited | Health & social care | 2021 |
| Sarah E Smith Ltd | Administrative & support | 2017 |
| Sasti Convenience Ltd | Wholesale & retail | 2019 |
| Sawyerworks Ltd | Construction | 2004 |
| SAY Telecon Limited | Information & communication | 2025 |
| Seen Live Innovations Limited | Information & communication | 2026 |