| Peaceful Living Care Services Ltd | Health & social care | 2023 |
| Peach Entertainment Limited | Real estate | 2008 |
| Peacock Builders Ltd | Construction | 2024 |
| Peacock Global Trading Ltd | Wholesale & retail | 2023 |
| Peak Asset Management Ltd | Health & social care | 2024 |
| Peak Edge Strategies Ltd | Professional & scientific | 2025 |
| Peak Two Holding Limited | Financial services | 2026 |
| PEAK28 Ltd | Hospitality | 2011 |
| Peaky Blenders 49 Limited | Other services | 2024 |
| Pear Property Ltd | Real estate | 2012 |
| Pear-Tree Plumbing Limited | Construction | 2024 |
| Pearce & Bradshaw Ltd | Construction | 2023 |
| Pearl Diamond Catering Limited | Hospitality | 2023 |
| Pearl Dwellings Limited | Construction | 2017 |
| Pearl Hire & PI Ltd | Wholesale & retail | 2016 |
| Pearl Property Group Limited | Real estate | 2018 |
| Pearl Stores Limited | Wholesale & retail | 2014 |
| Pearl Training & Consultancy Limited | Professional & scientific | 2019 |
| Pearl White Developments Limited | Real estate | 2024 |
| Pearls Deliveries Limited | Administrative & support | 2025 |
| Pearls Developers Limited | Information & communication | 2026 |
| Pearls Laundry and Tailoring Ltd | Administrative & support | 2025 |
| Pearls of Knightsbridge Limited | Other services | 2010 |
| Pearlsignatures Ltd. | Other services | 2018 |
| Pearson Healthcare Ltd | Health & social care | 2020 |
| Pebble Info Limited | Information & communication | 2021 |
| Peculiar People Ltd | Information & communication | 1997 |
| Pecunia Properties Ltd | Real estate | 2018 |
| Pedercini Ltd | Other services | 2016 |
| Pefox Capital Partners Ltd | Extraterritorial | 2021 |
| Pefox LLP | | 2009 |
| Pegasus Accountancy Services Ltd | Professional & scientific | 2021 |
| Pegasus H&S Consultancy Ltd | Public administration | 2017 |
| Pegasus Land & Property Limited | Real estate | 2025 |
| Pegasus Solutions (UK) Ltd | Information & communication | 2010 |
| Pehalwan Biryani Ltd | Hospitality | 2026 |
| Pekter Ltd | Construction | 2018 |
| Pelican Estates Ltd | Real estate | 2017 |
| Peligro PR & Management Ltd | Professional & scientific | 2024 |
| Peltier Properties Ltd | Real estate | 2025 |
| Pema Rules (UK) Limited | Manufacturing | 2014 |
| Pemberton Court RTM Company Ltd | Households | 2019 |
| Pembroke Services 23 Limited | Administrative & support | 2023 |
| Penallta Project 001 Ltd | Real estate | 2018 |
| Pendeza Properties Ltd | Real estate | 2020 |
| Penier Warehouse Supliers Limited | Wholesale & retail | 2025 |
| Penix Limited | Wholesale & retail | 2019 |
| Pennine Buildings and Estates Limited | Households | 2026 |
| Penny & Cent Limited | Wholesale & retail | 2025 |
| Penta Global Limited | Wholesale & retail | 2024 |
| Pentagon Enterprises Limited | Transport & logistics | 2024 |
| Pentagon Guys Ltd | Wholesale & retail | 2025 |
| Pentland Avenue Limited | Real estate | 2009 |
| Pentsland Limited | Extraterritorial | 2008 |
| People Arches Limited | Hospitality | 2023 |
| PEOPLE2POLES Ltd | Wholesale & retail | 2025 |
| Peoples Trade Limited | Wholesale & retail | 2008 |
| Pepala CIC | Administrative & support | 2025 |
| Pepcav Holdings Ltd | Education | 2020 |
| Peperomia Limited | Wholesale & retail | 2025 |
| PER Ankh Limited | Health & social care | 2016 |
| PER4BUILD Ltd | Construction | 2016 |
| Peregrine Residential Properties Ltd | Real estate | 2024 |
| Pereria Rodrigrues Invest Limited | Construction | 2025 |
| Perez Education Ltd | Education | 2023 |
| Perez Limited | Wholesale & retail | 2020 |
| Perfect Packaging East Limited | Wholesale & retail | 2012 |
| Perfect Property Solutions Ltd | Real estate | 2018 |
| Perfection Nails KN Ltd | Other services | 2026 |
| Perfecto Store Ltd | Wholesale & retail | 2026 |
| Perfume Sampler Limited | Wholesale & retail | 2023 |
| Peri Fixx IG4 Ltd | Hospitality | 2025 |
| Peri Peri EAT Ltd | Hospitality | 2025 |
| Peria & Co Limited | Real estate | 2021 |
| Perio Clinic Limited | Health & social care | 2019 |
| Perk & Pastry Ltd | Hospitality | 2025 |
| Perkclub Ltd | Information & communication | 2025 |
| Perkins Consultation Ltd | Information & communication | 2023 |
| Perkins DRY Cleaners Limited | Other services | 2013 |
| Perkins Steel Ltd | Wholesale & retail | 2010 |
| Permu Group Ltd | Extraterritorial | 2023 |
| Permu Ltd | Information & communication | 2020 |
| Perpend Properties Ltd | Real estate | 2024 |
| Perpetuity Investments Limited | Real estate | 2017 |
| Perryd Ltd | Information & communication | 2016 |
| Perrysell Limited | Wholesale & retail | 2025 |
| Perser Ltd | Professional & scientific | 2020 |
| Perseus Property (UK) Limited | Real estate | 2006 |
| Persian Bites Ltd | Hospitality | 2023 |
| Personal Injury Services Ltd | Health & social care | 2013 |
| Personal Retirement Planning Ltd | Financial services | 2017 |
| Personalised Roses Ltd | Wholesale & retail | 2023 |
| Personna UK Limited | Wholesale & retail | 2020 |
| Pesco London Limited | Administrative & support | 2019 |
| Peshawari Tikka Ltd | Hospitality | 2025 |
| Pest Clear UK Ltd Pest Control Ltd | Other services | 2023 |
| Pest Line Limited | Administrative & support | 2006 |
| PESTECH247 Limited | Administrative & support | 2017 |
| Pestoclean Services Limited | Real estate | 2012 |
| Pestokill Limited | Other services | 2018 |