| Noemie Kreitlow Ltd | Information & communication | 2025 |
| Northpoint EOT Ltd | Financial services | 2019 |
| Northpoint Limited | Manufacturing | 2003 |
| Norton Motor Services Ltd | Wholesale & retail | 2007 |
| Norvafin Ltd | Wholesale & retail | 2026 |
| NOT Really Here Group Limited | Information & communication | 2024 |
| Nots Two Ltd | Extraterritorial | 2024 |
| Oaklands Management Company (Audenshaw) Limited | Real estate | 2005 |
| Oakmore Limited | Professional & scientific | 1998 |
| Oerlikon Metco Coatings Limited | Administrative & support | 1991 |
| OFF Stay Ltd | Hospitality | 2026 |
| Office - Tech & Space Ltd | Real estate | 2020 |
| Office-Tech Holdings Limited | Financial services | 2014 |
| Ogborn Battery Capacity Assurance Testing Limited | Manufacturing | 1989 |
| Oliver Harvey Limited | Wholesale & retail | 2009 |
| Olympia Haulage Ltd | Transport & logistics | 2025 |
| On-Call Communications Ltd | Information & communication | 2024 |
| Ondemand Accounting Services Ltd | Professional & scientific | 2018 |
| Ontheweb Studios Ltd | Information & communication | 2026 |
| Open Doors Commercial Property Limited | Real estate | 2003 |
| Ormsby Estates Ltd | Real estate | 2025 |
| Ostia Tools Ltd | Manufacturing | 2016 |
| Ovington Street Properties Limited | Real estate | 1963 |
| Oxi-Regen Limited | Health & social care | 2026 |
| Oxy-Regen Limited | Health & social care | 2025 |
| Pancho's Burritos (Franchise) Ltd | Hospitality | 2021 |
| Park Lane & Co Developers Limited | Construction | 2012 |
| Park RD Cafe Ltd | Hospitality | 2026 |
| Parkside Properties (NW) Ltd | Real estate | 2024 |
| PAW Fleet Services Ltd | Wholesale & retail | 2023 |
| Peak Group Holdings Ltd | Financial services | 2023 |
| Peak Platform Operations Ltd | Construction | 2025 |
| Peak Platforms Limited | Construction | 2022 |
| Peapod Property Limited | Real estate | 2024 |
| Pedaro Ltd | Health & social care | 2022 |
| Peeky Blinders Limited | Other services | 2020 |
| Peeky Builders Limited | Real estate | 2020 |
| PH Pallet Services LLP | | 2011 |
| Phantom Creations Ltd | Manufacturing | 2025 |
| Phoenix Property Education Limited | Education | 2025 |
| Phoenix Vitality Limited | Health & social care | 2018 |
| Piccolo Communications Limited | Information & communication | 2012 |
| Pipmoor Limited | Manufacturing | 1981 |
| PJR Cresswell Ltd | Financial services | 2024 |
| PKG Services Limited | Real estate | 2014 |
| Placement Corp Ltd | Wholesale & retail | 2025 |
| Platinum Staffing Group Limited | Administrative & support | 2026 |
| PMB Fabrications Ltd | Manufacturing | 2008 |
| PMB Gymnasium Services Limited | Manufacturing | 2010 |
| Portland Basin Marina Limited | Manufacturing | 1997 |
| Praxum Ltd | Information & communication | 2026 |
| Pregnall Storage & Development Limited | Real estate | 2025 |
| Premier Automotive Limited | Wholesale & retail | 1992 |
| Prestige Medical Aesthetics Limited | Health & social care | 2020 |
| Prime Catering (MCR) Ltd | Wholesale & retail | 2022 |
| Prime Protect Health Ltd | Health & social care | 2025 |
| Pro Garden Projects Ltd | Administrative & support | 2018 |
| Project Alex Ltd | Manufacturing | 2013 |
| Project One FX Ltd | Wholesale & retail | 2024 |
| Propac Thermoforming Limited | Manufacturing | 1992 |
| Protocole Radical Ltd | Information & communication | 2024 |
| Prssl Imports Ltd | Wholesale & retail | 2020 |
| PS Electrical Services NW Ltd | Construction | 2025 |
| Punt Predictions Ltd | Arts & recreation | 2015 |
| Purpose Business & Marketing Limited | Professional & scientific | 2017 |
| QBE Media Limited | Professional & scientific | 2022 |
| Quirk Property Solutions Ltd | Construction | 2026 |
| R C Cottam Limited | Construction | 2017 |
| R J LAD Chemists Limited | Wholesale & retail | 2004 |
| Raja M. Nawaz & Co Ltd | Professional & scientific | 2025 |
| RB Takeaway Ltd | Hospitality | 2021 |
| RCP Property Ltd | Real estate | 2020 |
| Real Properties (Hyde) Limited | Real estate | 1951 |
| Red Hornet Concept Ltd | Professional & scientific | 2025 |
| Red Rock Communications Ltd | Information & communication | 2018 |
| Regency Collection Services Nationwide Ltd | Administrative & support | 2017 |
| Reitumar Limited | Health & social care | 2013 |
| Relentless Business Mentoring Limited | Professional & scientific | 2024 |
| Rendezvous Food and Drink Limited | Wholesale & retail | 2014 |
| Rice N'Spice Limited | Hospitality | 2021 |
| Right Way Storage Ltd | Transport & logistics | 2025 |
| Rightway Motors Ltd | Wholesale & retail | 2025 |
| RIO Transport Ltd | Transport & logistics | 2019 |
| Ritrama (U.K.) Limited | Manufacturing | 1981 |
| Rium Talent Ltd | Professional & scientific | 2026 |
| RM Owen Limited | Construction | 2024 |
| RNC Properties Limited | Real estate | 2018 |
| Robinson Family Investments Ltd | Financial services | 2024 |
| Rogonya Limited | Health & social care | 2025 |
| Rohail Abid Ltd | Wholesale & retail | 2025 |
| Ronin Hair Company Ltd | Other services | 2025 |
| Rosewood Travel Limited | Administrative & support | 2018 |
| Rosie & Daisy Digital Limited | Information & communication | 2021 |
| Rouloff Limited | Manufacturing | 1972 |
| RRW Holding Company Limited | Manufacturing | 2011 |
| Rssl Computers Ltd | Wholesale & retail | 2023 |
| S Ralphs PUB Management Limited | Hospitality | 2020 |
| S&C Property Investors Ltd | Real estate | 2025 |
| S88 Ltd | Construction | 2020 |
| SA Retail Limited | Wholesale & retail | 2020 |