| RR Food Limited | Hospitality | 2023 |
| RR Larder Ltd | Wholesale & retail | 2015 |
| RR Planning Limited | Professional & scientific | 2012 |
| RR Refurbs Ltd | Construction | 2026 |
| RRA Food Ltd | Hospitality | 2016 |
| RRB Elevate HR Ltd | Administrative & support | 2025 |
| RRD Retail Ltd | Wholesale & retail | 2021 |
| RRD UK Corporation Limited | Financial services | 2024 |
| RRE Enterprises Ltd | Real estate | 2016 |
| RRH Healthcare Ltd | Health & social care | 2022 |
| RRJ Design Ltd | Construction | 2023 |
| RRM IT Solutions Ltd | Wholesale & retail | 2019 |
| Rrmd Properties Ltd | Real estate | 2024 |
| RRR Keystones Properties Ltd | Real estate | 2026 |
| RRT Projects Ltd | Construction | 2025 |
| RRT Yorkshire Limited | Construction | 2025 |
| RS (Headingley) Ltd | Hospitality | 2021 |
| RS Anaesthesia Ltd | Health & social care | 2025 |
| RS Autos Leeds Ltd | Professional & scientific | 2026 |
| RS Builders (Yorkshire) Ltd | Construction | 2016 |
| RS Data Protection Limited | Professional & scientific | 2021 |
| RS Futures Ltd | Real estate | 2024 |
| RS Gascare Installation Limited | Construction | 2004 |
| RS Ghauri Limited | Real estate | 2017 |
| RS Holding GRP Ltd | Financial services | 2026 |
| RS Mars (UK) Ltd | Wholesale & retail | 2026 |
| RS Motor House Ltd | Wholesale & retail | 2018 |
| RS Property GRP Ltd | Real estate | 2026 |
| RS Sales (Leeds) Limited | Wholesale & retail | 2026 |
| RS Security Consultants Limited | Administrative & support | 2019 |
| RS Tuning Limited | Manufacturing | 2006 |
| Rs-Jh Limited | Wholesale & retail | 2021 |
| RS4 Property Ltd | Hospitality | 2020 |
| RSA Freight Limited | Transport & logistics | 2021 |
| RSA Investment Holdings Ltd | Real estate | 2023 |
| RSA Marketting Ltd | Wholesale & retail | 2024 |
| RSB Fabrications Ltd | Manufacturing | 2020 |
| RSD Construction Group Ltd | Construction | 2025 |
| RSG Design Limited | Professional & scientific | 2025 |
| RSG Group Yorkshire Limited | Construction | 2020 |
| RSG Logistics Ltd. | Transport & logistics | 2020 |
| RSG Property Lettings Ltd. | Real estate | 2023 |
| RSI Compliance Ltd | Professional & scientific | 2021 |
| RSI Estates Leeds Ltd | Professional & scientific | 2025 |
| RSI Estates Ltd | Extraterritorial | 2025 |
| RSK Capital Ltd | Real estate | 2024 |
| RSK Prime Ventures Ltd | Wholesale & retail | 2023 |
| RSL Automotive Ltd | Wholesale & retail | 2020 |
| RSL Steeper Group Limited | Health & social care | 2003 |
| Rslbm Ltd. | Information & communication | 2021 |
| Rslordtravels Ltd | Administrative & support | 2025 |
| RSM Lettings Limited | Real estate | 2009 |
| RSM North Limited | Real estate | 2005 |
| RSM Services Ltd | Health & social care | 2019 |
| RSM UK Estate Ltd | Real estate | 2025 |
| Rsms Group Limited | Hospitality | 2018 |
| Rsnrr Ltd | Wholesale & retail | 2018 |
| RSP Investments Limited | Professional & scientific | 2015 |
| RSR Engineering Limited | Professional & scientific | 2025 |
| Rsrb Investments Limited | Professional & scientific | 2025 |
| RST (Construction Consultants) Limited | Professional & scientific | 2003 |
| RST Properties Leeds Limited | Real estate | 2020 |
| RSW Recruitment Limited | Professional & scientific | 2014 |
| Rsws Trans Ltd | Transport & logistics | 2021 |
| RSZ Transport Ltd | Transport & logistics | 2024 |
| RT Advance Consulting Ltd | Professional & scientific | 2021 |
| RT Procurement Limited | Wholesale & retail | 2019 |
| RT UK Property Investment Ltd | Real estate | 2022 |
| RT Windows of Yorkshire Ltd | Construction | 2020 |
| RTG Enterprises Ltd | Professional & scientific | 2020 |
| RTL Promotions Limited | Wholesale & retail | 2011 |
| RTS (Leeds) Limited | Manufacturing | 2007 |
| RTS Electrical Contractors Limited | Construction | 2019 |
| RTS Infrastructure Services Limited | Transport & logistics | 2010 |
| RTZ Leeds Ltd | Real estate | 2025 |
| Ruan Developments Ltd | Construction | 2026 |
| Ruaring Same Day Couriers Ltd | Transport & logistics | 2021 |
| Rubani's Specialist Vehicles Ltd | Wholesale & retail | 2018 |
| Rubber Brothers Ltd | Wholesale & retail | 2025 |
| Rubber Jonny Productions Ltd | Health & social care | 2017 |
| Rubix Cleaning Services Ltd | Administrative & support | 2024 |
| Rubix Grey Limited | Hospitality | 2018 |
| Rubixness Ltd | Professional & scientific | 2024 |
| Rubo Group Holding Ltd | Professional & scientific | 2025 |
| Ruby & Rowan Coaching Ltd | Arts & recreation | 2026 |
| Ruby BDS Services Ltd | Health & social care | 2021 |
| Ruby House (Dyson Street) Freehold Company Limited | Financial services | 2024 |
| Ruby House (Dyson Street) Management Company Limited | Households | 2008 |
| Ruby HR Limited | Professional & scientific | 2019 |
| Ruby MAE Trading Company Ltd | Hospitality | 2025 |
| Ruby's Care Options Ltd | Health & social care | 2019 |
| Ruby's Collectables Limited | Wholesale & retail | 2026 |
| RUBY8INVESTMENT Ltd | Real estate | 2024 |
| Rubyria Limited | Real estate | 2025 |
| Ruby’S Cleaning Services Limited | Administrative & support | 2025 |
| Ruche Care Services Limited | Health & social care | 2022 |
| Ruddick Residential Ltd | Real estate | 2025 |
| Rudding Investments Limited | Financial services | 2020 |
| Rudo Studio Ltd | Information & communication | 2020 |
| Ruesch Limited | Health & social care | 2014 |