| Rhpm Ltd | Information & communication | 2023 |
| Rhys Feeds Ltd | Wholesale & retail | 2021 |
| Rhythm Time North Wales Ltd | Education | 2023 |
| RI Electrical NW Ltd | Construction | 2023 |
| Richard Boreham Limited | Real estate | 2003 |
| Richard Burbidge Limited | Wholesale & retail | 2010 |
| Ridley Wood (Wrexham) Management Company Limited | Households | 2018 |
| Riello UPS Limited | Wholesale & retail | 2002 |
| Riftward (Holdings) Limited | Financial services | 2025 |
| Riftward Limited | Manufacturing | 1980 |
| Rigby & Goode Commercial Limited | Construction | 2017 |
| Rigby & Goode Limited | Construction | 2007 |
| Right Directions Limited | Construction | 2006 |
| Rio's Rentals Limited | Households | 2025 |
| Riofoods Limited | Extraterritorial | 2010 |
| Ripat Limited | Professional & scientific | 2009 |
| Riptide Analytics Ltd | Information & communication | 2019 |
| Rite Freight Transport Services Limited | Transport & logistics | 2001 |
| Ritual Fitness Classics Limited | Wholesale & retail | 2024 |
| Riva (UK) Ltd. | Manufacturing | 1993 |
| Riva Industries Limited | Financial services | 2022 |
| Riva UK Holdings Ltd | Extraterritorial | 2022 |
| Riverhouse Life | Other services | 2006 |
| Rivermanor Limited | Construction | 1990 |
| Riverside Auto Centre (Wrexham) Limited | Wholesale & retail | 2010 |
| Riverside Property and Land Ltd | Real estate | 2024 |
| RJ Critical Care Services Ltd | Health & social care | 2021 |
| RJ Timber Haulage Limited | Transport & logistics | 2024 |
| Rjanagan Trading Limited | Wholesale & retail | 2019 |
| RJD Educational Consulting Limited | Education | 2015 |
| RK Unique Ltd | Wholesale & retail | 2025 |
| RKD Trading Limited | Wholesale & retail | 2017 |
| RKO Engineering Services Ltd | Professional & scientific | 2021 |
| RKS Properties Ltd | Real estate | 2015 |
| RLD Medical Ltd | Health & social care | 2024 |
| RLE Property Investments Limited | Real estate | 2025 |
| RM Trail Riding Limited | Administrative & support | 2018 |
| RMD Accountancy Solutions Ltd | Professional & scientific | 2003 |
| RMK Civil Engineering Limited | Construction | 2007 |
| RMP Engineering Ltd | Construction | 2026 |
| RMP Technology Limited | Professional & scientific | 2003 |
| RN Eco Ltd | Construction | 2024 |
| RN Electrical Contracting Ltd | Construction | 2021 |
| RNG Adventures Limited | Arts & recreation | 2017 |
| Road Mole Systems Ltd | Construction | 2025 |
| ROB Breaks Ltd | Wholesale & retail | 2012 |
| ROB Deliveries Ltd | Transport & logistics | 2020 |
| ROB Shopfitting Ltd | Construction | 2018 |
| Rob@P&G Limited | Wholesale & retail | 2005 |
| Robert Bevis Limited | Arts & recreation | 2017 |
| Robert D. Williams Limited | Professional & scientific | 2012 |
| Roberts Brothers Limited | Construction | 1998 |
| Roberts Business Finance Services Limited | Professional & scientific | 2017 |
| Roberts Contract Joinery Ltd | Construction | 2019 |
| Roberts Costings Ltd | Administrative & support | 2012 |
| Roberts Roofing Solutions Ltd | Construction | 2022 |
| Roberts Site Welding Services Limited | Manufacturing | 2025 |
| Roberts&Bialek Contractors Ltd | Construction | 2022 |
| Roberts-Doughty Ltd | Professional & scientific | 2022 |
| Robertsons Garage Limited | Wholesale & retail | 2015 |
| Robertsons Garage Properties Limited | Real estate | 2024 |
| Robertson’S Construction Services Limited | Construction | 2025 |
| Robinwood Activity Centre Limited | Education | 1993 |
| Roccobot Ltd | Administrative & support | 2010 |
| Rock Wood Paving Limited | Other services | 2018 |
| Rocwood Global Limited | Wholesale & retail | 2015 |
| Rocwood Limited | Real estate | 2008 |
| Rodgers Taxation Ltd | Professional & scientific | 2023 |
| Rokesmith Ltd | Other services | 2013 |
| Roleam Holdings Ltd | Financial services | 2025 |
| Roleam Limited | Manufacturing | 2018 |
| Roleproject Limited | Hospitality | 1990 |
| Roman Tours Ltd | Arts & recreation | 2003 |
| Romsoft Development Ltd | Information & communication | 2015 |
| Ronin Marine Ltd | Professional & scientific | 2015 |
| Ronwex Limited | Information & communication | 2010 |
| Rooted Recruitment Limited | Administrative & support | 2026 |
| Roots HR Solutions Ltd | Professional & scientific | 2019 |
| Rosa Management Solutions Limited | Professional & scientific | 2009 |
| Rosangela Pandolfi Limited | Other services | 2020 |
| Rosary's Property Nest Ltd | Construction | 2025 |
| Rose George Developments Ltd | Real estate | 2025 |
| Rosewood Joinery Limited | Construction | 2006 |
| Rosie's Holiday & Residential Limited | Real estate | 2022 |
| Rosselectricity Ltd | Construction | 2016 |
| Rossett Business Services Limited | Professional & scientific | 2020 |
| Rostecki Serwis Ltd | Transport & logistics | 2021 |
| Rosy Ideas Limited | Health & social care | 2016 |
| Rotary Encoder Solutions Limited | Extraterritorial | 2008 |
| Rough Hands TAP Limited | Hospitality | 2023 |
| Round HEY Limited | Hospitality | 2023 |
| Routes 4 Media Ltd | Professional & scientific | 2013 |
| Rowan Foods Limited | Real estate | 2000 |
| Rowsimco Limited | Professional & scientific | 2017 |
| Royal Welch Fusiliers Regimental Museum Trust Ltd | Arts & recreation | 2021 |
| Roystons Excel Cleans Ltd | Administrative & support | 2018 |
| RP Roof & Build Ltd | Construction | 2025 |
| Rp&J Experiences Ltd | Real estate | 2024 |
| RPP Properties Limited | Real estate | 2026 |
| RRC Crane Hire Limited | Administrative & support | 2017 |