| Red Leaf Property Solutions Limited | Real estate | 2021 |
| Red Room Events Ltd. | Arts & recreation | 2005 |
| Red Rose AV Ltd | Arts & recreation | 2024 |
| Red Rose Estates Limited | Real estate | 2022 |
| Red Rose Events CIC | Administrative & support | 2024 |
| Red Rose Exterior Cleaning Ltd | Administrative & support | 2025 |
| Red Rose Labs Ltd | Information & communication | 2020 |
| Red Rose Tech Ltd | Arts & recreation | 2022 |
| Red Sky Business Solutions Ltd | Professional & scientific | 2020 |
| Redblood Limited | Arts & recreation | 2013 |
| Redlan North Limited | Financial services | 2018 |
| Redpath Homes Limited | Construction | 2021 |
| Redpath Investments Ltd | Construction | 2013 |
| Redstone Computing Limited | Information & communication | 2001 |
| Redwood Asset Holdings Limited | Financial services | 2025 |
| Red’S Consultants Limited | Professional & scientific | 2026 |
| Reece's Commercial Services Limited | Administrative & support | 2022 |
| Refined by Limited | Information & communication | 2014 |
| Reflect Health Group Limited | Public administration | 2020 |
| Reflections Studio Limited | Arts & recreation | 2016 |
| Reflex Contracts Limited | Information & communication | 1997 |
| Reformed Spirits Company Limited | Wholesale & retail | 2018 |
| Refresh Public Relations Ltd | Administrative & support | 2009 |
| Regalo Gifts Ltd | Wholesale & retail | 2019 |
| Regency Court (Lancaster) Limited | Households | 1997 |
| Regent Northern Developments Limited | Wholesale & retail | 1988 |
| REJUVIN8 Ltd | Other services | 2016 |
| Relational Dynamics 1ST Ltd | Education | 2009 |
| Relative Insight Limited | Information & communication | 2007 |
| Reliance Works Ltd | Construction | 2020 |
| Relocations Resurrection Ltd | Extraterritorial | 2024 |
| Renatus Developments Ltd | Extraterritorial | 2020 |
| Renes Fashions Limited | Administrative & support | 2010 |
| Resiwise Limited | Real estate | 2025 |
| Resolve Management Services Ltd | Professional & scientific | 2020 |
| Resolve Support Services Ltd | Administrative & support | 2018 |
| Resourcing Purpose LLP | | 2025 |
| Rethink Performance Ltd | Other services | 2022 |
| Review Solutions NW Ltd | Information & communication | 2019 |
| Reviveuk Edtech CIC | Information & communication | 2026 |
| Revo Creative Limited | Professional & scientific | 2013 |
| Reward Digital Ltd | Professional & scientific | 2025 |
| RFH Contracts Limited | Professional & scientific | 2014 |
| RG Quality Support Limited | Professional & scientific | 2024 |
| RG Tile & Stone Limited | Construction | 2026 |
| RH Inspection Services Ltd | Manufacturing | 2025 |
| Rhino Northwest Ltd | Construction | 2012 |
| Rhubarb City Ltd | Manufacturing | 2022 |
| Rich Tea Loaf Ltd | Manufacturing | 2022 |
| Richard Civils Ltd | Professional & scientific | 2015 |
| Richard P Taylor Limited | Real estate | 2011 |
| Richard Wilson General Building & Maintenance Ltd | Construction | 2009 |
| Richimens Healthcare Limited | Health & social care | 2022 |
| Richlea Developments Limited | Construction | 2001 |
| Richmond Hall Farm Ltd | Agriculture & fishing | 2019 |
| Ricoits Ltd | Information & communication | 2012 |
| Rider Rentals Ltd | Information & communication | 2017 |
| Ridge NW Limited | Real estate | 2023 |
| Ridgeline Home Improvements Limited | Construction | 2025 |
| Right Pets North West UK Limited | Wholesale & retail | 2025 |
| Rimington Holiday Park Limited | Hospitality | 2026 |
| Rimington Leisure Park Ltd | Hospitality | 2018 |
| Rinicom Holdings Limited | Financial services | 2010 |
| Rinicom Limited | Manufacturing | 2002 |
| Ripon Developments Ltd | Real estate | 2006 |
| Ripple Plumbing & Heating Ltd | Construction | 2021 |
| Ripway Properties Limited | Professional & scientific | 2013 |
| Risk Assessment Support Services Ltd | Professional & scientific | 2025 |
| Rita Millat Limited | Professional & scientific | 2022 |
| River View (Lancaster) Management Company Limited | Households | 2002 |
| Rivers View Fold Right to Manage Company Limited | Extraterritorial | 2014 |
| Riversea Holdings Ltd | Arts & recreation | 2016 |
| Riverside (Anglesey) Limited | Hospitality | 2017 |
| Riverside Accountancy Lancaster Limited | Professional & scientific | 2019 |
| RJS Media Ltd | Information & communication | 2010 |
| RKP Digital Ltd | Professional & scientific | 2026 |
| RMC Dance Limited | Arts & recreation | 2021 |
| Rmps Logistics Ltd | Transport & logistics | 2025 |
| Rmre Limited | Real estate | 2021 |
| RMS Plant ENG Ltd | Professional & scientific | 2015 |
| Roamagraph Ltd | Information & communication | 2024 |
| Robert FOX Fabrication Ltd | Manufacturing | 2015 |
| Robert Greenep Limited | Construction | 2007 |
| Roberts & Nicholls Plumbing Services Ltd | Construction | 2015 |
| Robinsons Business Services Ltd | Administrative & support | 2011 |
| Roblaine Limited | Financial services | 2017 |
| Rochdale Recycling Limited | Other services | 2019 |
| Roger Alty Farrier Limited | Professional & scientific | 2014 |
| Rokh Dance Limited | Arts & recreation | 2023 |
| Role & Play Mini City Ltd | Arts & recreation | 2022 |
| Ronald Holmes (Lancaster) Limited | Wholesale & retail | 1965 |
| Roofers North West Ltd | Construction | 2025 |
| Rooftop Productions Limited | Arts & recreation | 2024 |
| Rooftop Studios Dance Academy Ltd | Arts & recreation | 2020 |
| Rooftop Studios Leek Limited | Arts & recreation | 2025 |
| Room 12 (Lancaster) Limited | Wholesale & retail | 2002 |
| Rooster Rentals Ltd | Real estate | 2025 |
| Rootway Limited | Administrative & support | 2005 |
| Rootway Properties Limited | Real estate | 2021 |
| Rope Rescue Ltd | Professional & scientific | 2012 |