| Peak Financial Solutions Limited | Professional & scientific | 2015 |
| Peak Geek Ltd | Information & communication | 2026 |
| Peak Health Coaching Limited | Education | 2017 |
| Peak Hearing Ltd. | Wholesale & retail | 2002 |
| Peak Home Surveys Ltd | Professional & scientific | 2020 |
| Peak Leisure Properties Ltd | Arts & recreation | 2026 |
| Peak Lifting Solutions Limited | Construction | 2025 |
| Peak Media Productions Ltd | Information & communication | 2024 |
| Peak Minerals Ltd | Mining & quarrying | 2015 |
| Peak Mobility Scooters Limited | Wholesale & retail | 2005 |
| Peak Neurosurgical Services Ltd | Health & social care | 2016 |
| Peak Nickel Limited | Mining & quarrying | 2017 |
| Peak Oak Frames Ltd | Construction | 2016 |
| Peak Padel Sports Limited | Arts & recreation | 2025 |
| Peak Parks CIC | Education | 2025 |
| Peak Pattern Company Limited | Manufacturing | 1994 |
| Peak Performance Business Coaching Limited | Professional & scientific | 2016 |
| Peak Physique Performance Centre Limited | Arts & recreation | 2014 |
| Peak Plastering Ltd | Construction | 2020 |
| Peak Progress Physiotherapy Ltd | Health & social care | 2023 |
| Peak SEO Ltd | Administrative & support | 2024 |
| Peak Spark Ltd | Construction | 2025 |
| Peak Specialist Access Ltd | Construction | 2021 |
| Peak Structural Design Ltd | Professional & scientific | 2021 |
| Peak Studio Limited | Other services | 2015 |
| Peak Synergy Ltd | Wholesale & retail | 2018 |
| Peak to Peak Measurement Solutions Ltd. | Manufacturing | 2018 |
| Peak VUE Property Limited | Real estate | 2024 |
| Peak Watches Limited | Wholesale & retail | 2020 |
| Peak Water Systems Ltd | Professional & scientific | 2026 |
| Peak Writing Ltd | Professional & scientific | 2022 |
| Peakbox Ltd | Real estate | 2026 |
| Peakglen Limited | Hospitality | 2024 |
| Peakline Property Maintenance Ltd | Construction | 2026 |
| Peaks Academy of Trampoline Ltd | Arts & recreation | 2022 |
| Peaks Commercial Cleaning Ltd | Other services | 2022 |
| Peaks Works Holdings Ltd | Financial services | 2025 |
| Peakside Medical Ltd | Health & social care | 2018 |
| Peakstone Estate Ltd | Real estate | 2016 |
| Peakstone Ltd | Information & communication | 2022 |
| Peanuts PR Ltd | Professional & scientific | 2017 |
| Pear Lovely Pear Limited | Wholesale & retail | 2018 |
| Pear O'Legs Records CIC | Wholesale & retail | 2022 |
| Pear Thai Supermarket Ltd | Hospitality | 2014 |
| Pear Tree Solutions Ltd | Construction | 2014 |
| Pear Trees Construction Ltd | Construction | 2026 |
| Pearce Ridge Limited | Hospitality | 2016 |
| Pearl & One Ltd | Manufacturing | 2025 |
| Pearl and Paws Ltd | Wholesale & retail | 2026 |
| Pearl Development Ltd | Construction | 1997 |
| Pearl Hair Loss & Education Ltd | Professional & scientific | 2025 |
| Pearl Motors Limited | Wholesale & retail | 1962 |
| Pearl Pubs Limited | Hospitality | 2022 |
| Pearson & Earl's Barbershop Ltd | Other services | 2017 |
| Pearson Fisk Ltd | Hospitality | 2025 |
| Pearsons Repairs & Maintenance Limited | Other services | 2024 |
| Peasant Vitality Limited | Information & communication | 2018 |
| Peaty's Bike Bonanza Ltd. | Administrative & support | 2014 |
| Peaty's Limited | Wholesale & retail | 2017 |
| Pebble Properties Sheffield Limited | Real estate | 2018 |
| Pecunia Software Ltd | Information & communication | 2026 |
| Pedalo Photography Ltd | Professional & scientific | 2021 |
| Pedell Ltd | Arts & recreation | 2018 |
| Pediatric Wellness Limited | Health & social care | 2023 |
| Pedigree Pools Ltd | Manufacturing | 2017 |
| Peejay Limited | Health & social care | 2025 |
| Peek & Poke Interactive Limited | Wholesale & retail | 2026 |
| Peel Consultancy Ltd | Professional & scientific | 2013 |
| Peewee Properties Limited | Real estate | 2018 |
| PEG Properties Ltd | Real estate | 2023 |
| Pegasus Estates Ltd | Real estate | 2025 |
| Pegasus Investments & Asset Management Limited | Real estate | 2016 |
| Pejis Ltd | Hospitality | 2022 |
| Pelastar UK Limited | Professional & scientific | 2022 |
| Peleros Consulting Limited | Administrative & support | 2009 |
| Pelican Solutions Ltd | Professional & scientific | 2004 |
| Peligro Industries Limited | Information & communication | 2003 |
| Pelioff Limited | Construction | 2023 |
| Peller Agency Limited | Hospitality | 1976 |
| Pellonia Security Solutions Ltd | Administrative & support | 2022 |
| PEM Stainless Limited | Manufacturing | 2000 |
| Pemart Limited | Real estate | 1976 |
| Pemberton Holdings Ltd | Professional & scientific | 2015 |
| Pembery Rentals Ltd | Real estate | 2020 |
| Pembridge Corporate Services Limited | Professional & scientific | 2013 |
| PEN Cutting Holdings Limited | Financial services | 2018 |
| PEN Cutting Tools Limited | Manufacturing | 1968 |
| PEN Y Bont Ltd | Real estate | 2013 |
| Pendower Medical Limited | Health & social care | 2023 |
| Pendragon Legal Limited | Professional & scientific | 2023 |
| Peng Style Ltd | Professional & scientific | 2022 |
| Peng's Food Group Ltd | Hospitality | 2015 |
| Pengestone Limited | Professional & scientific | 2018 |
| Peniel Enchill Illustrations Ltd | Arts & recreation | 2022 |
| Peninsula Endoscopy Services Ltd | Health & social care | 2021 |
| Penistone Agricultural Society Ltd | Administrative & support | 2017 |
| Penistone Balti House Limited | Hospitality | 2015 |
| Penistone Brewers Limited | Manufacturing | 2017 |
| Penistone Community Radio Ltd | Information & communication | 2007 |
| Penistone Funeral Service Ltd | Other services | 2009 |