| Paddywagon Tours NI Ltd | Transport & logistics | 2025 |
| PAN Residential Limited | Real estate | 2014 |
| Paul O'Lynn Ltd | Professional & scientific | 2017 |
| Pbscontrol Ltd | Professional & scientific | 2024 |
| PD (N.I.) Ltd | Transport & logistics | 2019 |
| Peadar Davis Ltd | Professional & scientific | 2021 |
| Peak Body Gym Larne Ltd | Arts & recreation | 2019 |
| Pebble Lodge Developments Limited | Construction | 2025 |
| Pecan Investments Limited | Arts & recreation | 2008 |
| Penney's Kitchens & Bathrooms Ltd | Other services | 2007 |
| Perfections Beauty Clinic Ltd | Other services | 2010 |
| Petals at Plata Ltd | Wholesale & retail | 2025 |
| PG Prosser & SON Ltd | Manufacturing | 2022 |
| PGK Global Ltd | Manufacturing | 2019 |
| Pgmi Logistics Ltd | Wholesale & retail | 2026 |
| PH Spa and Nails Limited | Other services | 2023 |
| Pitter Patter (NI) Ltd | Wholesale & retail | 2014 |
| PJD Manufacturing Ltd | Manufacturing | 2024 |
| Plews Tyres Ltd | Wholesale & retail | 2024 |
| Pmpt Enterprises Ltd | Arts & recreation | 2024 |
| Point Street Developments Ltd | Construction | 2022 |
| Polysorb Group Ltd | Manufacturing | 2023 |
| Pour & Restore Ltd | Arts & recreation | 2025 |
| PR (Global) Ltd | Manufacturing | 2022 |
| Precision Built Homes Ltd | Construction | 2018 |
| Premiere Moments Ltd | Information & communication | 2023 |
| Prestige Property Belfast Ltd | Hospitality | 2021 |
| Pro Fuel Freight Ltd | Transport & logistics | 2015 |
| PRO22INNOVATIONS Ltd | Professional & scientific | 2019 |
| Prodigy Tanning & Beauty Ltd | Other services | 2006 |
| Projectco Ballinderry Limited | Real estate | 2023 |
| Projectco Carrickfergus Limited | Real estate | 2021 |
| Projectco Howdens Quay Limited | Real estate | 2024 |
| Projectco Larne Limited | Real estate | 2022 |
| Projectco Limited | Financial services | 2021 |
| Projectco Ravenhill Limited | Real estate | 2026 |
| Projectco Rivers Edge Limited | Real estate | 2021 |
| Projectco Saintfield Limited | Real estate | 2023 |
| Pronet Safety Limited | Construction | 2020 |
| Pure Nuts Limited | Manufacturing | 2021 |
| PUT IT on a Pallet Limited | Transport & logistics | 2014 |
| Putt for Dough Ltd | Arts & recreation | 2025 |
| Quiet Vent Ltd | Construction | 2020 |
| Quinn Enterprises Worldwide Limited | Transport & logistics | 2016 |
| R & E Livestock Ltd | Wholesale & retail | 2022 |
| R & J Cowan Limited | Agriculture & fishing | 2015 |
| R. Holmes Transport Ltd | Transport & logistics | 2017 |
| RA Robinson & Co Limited | Professional & scientific | 2013 |
| RAE Retail Limited | Wholesale & retail | 2015 |
| Rahaol Trading Ltd | Financial services | 2020 |
| Raloo Road Management Company Limited | Households | 2022 |
| Rapid Fabrications Ltd | Manufacturing | 2022 |
| Raptor Photonics Limited | Manufacturing | 2006 |
| Rathmore Developments Ltd | Construction | 2017 |
| Rathmoyle Consultancy Limited | Professional & scientific | 2011 |
| Rathmoyle Consultants Ltd | Real estate | 2011 |
| RB Residencial Ltd | Real estate | 2026 |
| RCL10 Ltd | Manufacturing | 2019 |
| RCP (N.I.) Ltd | Extraterritorial | 2018 |
| Ready Steady Media Ltd | Professional & scientific | 2026 |
| Red Bespoke Tailoring Ltd | Wholesale & retail | 2023 |
| Red Groomswear Ltd | Wholesale & retail | 2012 |
| Red MEN Ltd | Wholesale & retail | 2013 |
| Reds Community Hub CIC | Education | 2018 |
| Reuse Corner Limited | Wholesale & retail | 2025 |
| Richard Jolly.Tv Ltd | Information & communication | 2014 |
| Richardson Hewitt Financial Planning Limited | Administrative & support | 2016 |
| Richmond Roofing Services Ltd | Construction | 2015 |
| Richwell Trading Limited | Wholesale & retail | 2002 |
| Rite Engineering Ltd | Manufacturing | 2018 |
| RJD Enginetech (N.I.) Ltd | Manufacturing | 2017 |
| RJF Jennings Bakery Limited | Real estate | 2002 |
| Rkcm Engineering Ltd | Manufacturing | 2025 |
| RKE (N.I) Ltd | Manufacturing | 2019 |
| RLM Plant Services Ltd | Wholesale & retail | 2021 |
| RMP Management Limited | Real estate | 2022 |
| Robinson's Furniture & Gifts Ltd | Wholesale & retail | 2003 |
| Rococo Kells Ltd | Hospitality | 2022 |
| Ronlix Limited | Wholesale & retail | 2026 |
| Rosa Properties (N.I.) Ltd | Real estate | 2026 |
| Rosecliff Properties Ltd | Real estate | 2006 |
| Roszka Ltd | Construction | 2019 |
| ROY Wilson Limited | Wholesale & retail | 2018 |
| Royford Developments Ltd | Construction | 2022 |
| RSC (N.I.) Ltd | Other services | 2025 |
| Ruben Enterprises Ltd | Hospitality | 2019 |
| Rubys Bodega Ltd | Hospitality | 2023 |
| Ryan Armstrong Metal Services Ltd | Manufacturing | 2026 |
| Rymac Solutions Ltd | Information & communication | 2011 |
| S P R Mcgowan Tree Services Ltd | Agriculture & fishing | 2018 |
| S Scott Engineering Ltd | Professional & scientific | 2019 |
| S&M Consultants (NI) Ltd | Professional & scientific | 2014 |
| S3 Creative Ltd | Information & communication | 2022 |
| Sallagh Construction Limited | Construction | 2013 |
| Sarcon (NO. 999) Limited | Real estate | 2018 |
| Sardini Ltd | Agriculture & fishing | 2016 |
| Satori Advisory Services Ltd | Information & communication | 2019 |
| Satoria Properties Limited | Real estate | 2022 |
| Savio Holdings Ltd | Real estate | 2024 |
| SB Parametrics Limited | Professional & scientific | 2017 |