| Red Wolf Technologies Holdings Limited | Financial services | 2024 |
| Red Wolf Technologies Limited | Information & communication | 2023 |
| Red-Char Limited | Administrative & support | 2009 |
| Redbridge Car Sales Limited | Wholesale & retail | 2014 |
| Redbridge Mill Properties LLP | | 2006 |
| Redbury Estates Ltd | Real estate | 2023 |
| Reddawncapital Limited | Financial services | 2025 |
| Redditus Consultancy Limited | Other services | 2022 |
| Reddo Limited | Real estate | 2009 |
| Rededge Consultancy Limited | Information & communication | 2024 |
| Redeemed Christian Church of GOD Breakthrough Church Bolton | Real estate | 2025 |
| Redemption Coffee Limited | Hospitality | 2021 |
| Redesignx Limited | Information & communication | 2020 |
| Redfern Converting Machinery Limited | Wholesale & retail | 2000 |
| Redfern Energy Ltd | Manufacturing | 2017 |
| Redgate Developments Limited | Other services | 2010 |
| Redhouse Developments (Bolton) Limited | Construction | 2002 |
| Redjamjar Software Solutions Limited | Information & communication | 2014 |
| Redman Casey Estate Agents Ltd | Real estate | 2014 |
| Redman Casey Lettings Ltd | Real estate | 2015 |
| Redmond Civils Limited | Construction | 2018 |
| Redowl Structural Glazing Limited | Construction | 2013 |
| Redrocks Holdings Ltd | Wholesale & retail | 2019 |
| Redrocks Investments Ltd | Information & communication | 2013 |
| Redstock RTM Company Limited | Households | 2016 |
| Redston Hulme Properties Ltd | Real estate | 2020 |
| Redugo Limited | Information & communication | 2026 |
| Redvine Group Ltd | Real estate | 2026 |
| Redwhite Services Ltd | Administrative & support | 2007 |
| Redwing Support Services Ltd | Health & social care | 2013 |
| Redwood Carpentry and Building Ltd | Construction | 2024 |
| Reel Marketing Ltd | Professional & scientific | 2025 |
| Reena Nexus Ltd | Wholesale & retail | 2026 |
| Rees Sports Limited | Arts & recreation | 2012 |
| Reeves Leisure Ltd | Arts & recreation | 2014 |
| Reeves Rides Ltd | Arts & recreation | 2023 |
| Refcool Ltd | Construction | 2023 |
| Reference Solutions Ltd | Information & communication | 2007 |
| Refine and Glow Bolton Ltd | Administrative & support | 2025 |
| Refine Clinical Wholesale Limited | Wholesale & retail | 2019 |
| Refine Group Holdings Limited | Financial services | 2022 |
| Refine Pharma Ltd | Manufacturing | 2021 |
| Reflect Holdings Ltd | Financial services | 2025 |
| Reflex Interiors Holdings Limited | Professional & scientific | 2009 |
| Reflexion Lounge Limited | Hospitality | 2014 |
| Reform Hair Academy Limited | Education | 2011 |
| Reform Hair Extensions Ltd | Other services | 2015 |
| Reform Hairdressing Ltd | Other services | 2015 |
| Reform Male Grooming Ltd | Other services | 2021 |
| Reform Management Ltd | Administrative & support | 2015 |
| Reform YU Pilates Ltd | Arts & recreation | 2025 |
| Refresh & Revive Cleaning Solutions Limited | Administrative & support | 2025 |
| Refreshing Cleaning Services Limited | Administrative & support | 2025 |
| Regal Business Centre Limited | Administrative & support | 2025 |
| Regal Carriage Ltd | Wholesale & retail | 2026 |
| Regal Developments & Rentals Ltd | Real estate | 2019 |
| Regal Property Services (NW) Ltd | Construction | 2017 |
| Regal Rentals and Property Management Ltd | Households | 2020 |
| Regal Short Stays Ltd | Hospitality | 2022 |
| Regalia Curtains Limited | Administrative & support | 2012 |
| Regan Pubs Limited | Hospitality | 2024 |
| Regans Holdings Ltd | Hospitality | 2023 |
| Regency Hair & Beauty Supplies Limited | Other services | 2005 |
| Regency Hair & Beauty Supplies NW Ltd | Other services | 2019 |
| Regent Construction Advisory Ltd | Construction | 2025 |
| Regent Hall Ltd | Hospitality | 2021 |
| Regent Moore Holdings Limited | Professional & scientific | 2025 |
| Regent Motor Company Ltd | Wholesale & retail | 2024 |
| Regent Park Golf Club Limited | Arts & recreation | 1980 |
| Regent Park Golf Course Limited | Arts & recreation | 2002 |
| Regent Property Bolton Ltd | Real estate | 2020 |
| Regents Gate (Bolton) Residents Association Limited | Households | 2000 |
| Regflex Solutions Limited | Professional & scientific | 2025 |
| Regin Construction Limited | Construction | 2021 |
| Regin Group Limited | Construction | 2018 |
| Regin Logistics Limited | Construction | 2021 |
| Regin People Limited | Construction | 2021 |
| Region Electrical Supplies Limited | Wholesale & retail | 1994 |
| Regional Automotive Parts Independent Distributors Limited | Administrative & support | 2005 |
| Regional Contracting Solutions (NW) Ltd | Construction | 2023 |
| Regore GAS & Plumbing Ltd | Construction | 2025 |
| Rehab Genius Bolton Ltd | Other services | 2026 |
| Rehabilitation Direct Limited | Health & social care | 2013 |
| Rehana AK Ltd | Wholesale & retail | 2025 |
| Rehana Dean Estates Ltd | Real estate | 2021 |
| Rehman & Co Accountants Limited | Professional & scientific | 2024 |
| Rehmani Traders Ltd | Wholesale & retail | 2024 |
| Reint Advisory Limited | Information & communication | 2023 |
| Reiss Investments NW Ltd | Real estate | 2024 |
| Rekatsu Limited | Information & communication | 2017 |
| Relative Security Ltd | Information & communication | 2024 |
| Relentless Gymwear Ltd | Wholesale & retail | 2025 |
| Reliability Boiler Repairs Wigan Ltd | Construction | 2020 |
| Reliance Couriers Ltd | Transport & logistics | 2025 |
| Reliance Medical Service Limited | Professional & scientific | 2008 |
| Reliance Technology Limited | Information & communication | 1997 |
| Relic Parfum Limited | Manufacturing | 2024 |
| Relief Link Ltd | Administrative & support | 2024 |
| Relish Event Catering Ltd | Hospitality | 2020 |
| Relish Recruitment Ltd | Administrative & support | 2019 |