| Penningtons Manches Cooper LLP | London | A rating |
| Pennon Group | Exeter | A rating |
| Penns Mount Limited | Kingsteignton | A rating |
| Penny & Giles Controls Limited | Christchurch | A rating |
| Penny Appeal | Wakefield | A rating |
| Penny Black Tattoo Parlour Limited | Romford | A rating |
| PENNY BLACK TATTOO PARLOUR LIMITED | Brentwood | A rating |
| Penny Care Limited | Kent | A rating |
| PENNY COME SUPERMARKET GROUP LTD | PLYMOUTH | A rating |
| Penny Morrison Limited | London | A rating |
| Pennygate Medical Centre | Wigan | A rating |
| Pennypot dental | Hythe | A rating |
| Pennywell Day Today Limited | Edinburgh | A rating |
| PENNYWISE STORES LTD | TYLDESLEY | A rating |
| Penrhyn Bay & Deganwy Medical Centre | Penrhyn Bay | A rating |
| Penrith Building Society | Penrith | A rating |
| Penrith Cricket Club | Penrith | A rating |
| Penrose Care Ltd | London | A rating |
| Penrose Surgery | London | A rating |
| Pens Plus (of Oxford) Ltd | Oxford | A rating |
| PENSBY CURRY HOUSE LTD T/A DINE INDIA | Merseyside | A rating |
| Penshurst Gardens Surgery | London | A rating |
| Pension Protection Fund | Croydon | A rating |
| Pension Services Corporation Ltd | London | A rating |
| PENSKE MEDIA UK LIMITED | LONDON | A rating |
| Pensnett Fish Bar Ltd | Birmingham | A rating |
| Penspen Limited | London | A rating |
| Penta Global Food Limited T/A The Smooth | Aldershot | A rating |
| Penta Group Europe Limited | London | A rating |
| Penta Precision Eng. Ltd | Fareham | A rating |
| Penta Real Estate Limited | Manchester | A rating |
| Penta-A Services Limited | London | A rating |
| PentaBind Ltd. | London | A rating |
| PENTACARE SERVICES LTD | Sevenoaks | A rating |
| PENTAD MEDIA LTD | Romford | A rating |
| Pentadel Project Management Limited | Cheltenham | A rating |
| Pentagon Food Group Ltd | Manchester | A rating |
| Pentagon Freight Services plc | Dartford | A rating |
| PENTAGON GROUP U.K LTD | Coventry | A rating |
| PENTAGON IT CONSULTANCY LIMITED | Hounslow | A rating |
| PENTAGON TECHNICAL SERVICES LTD | Beaconsfield | A rating |
| Pentagram Design Limitd | London | A rating |
| PENTASTAR SOLUTIONS & FM LTD | London | A rating |
| Pentatonic Limited | London | A rating |
| PENTECOST BAPTIST CHURCH | DAGENHAM | A rating |
| Pentecostal Missionary Church of Christ (4th Watch) | London | A rating |
| PENTECOSTAL SANCTUARY BIBLE MINISTRIES | NORTHAMPTON | A rating |
| Pentel (Stationery) Ltd | Swindon | A rating |
| Pentex Ltd | London | A rating |
| Pentland Brands Limited | London | A rating |
| Pentland Brands plc | London | A rating |
| Pentland Capital Limited | London | A rating |
| Pentland Chaussures Limited | London | A rating |
| Pentland Ferries | St. Margaret's Hope | A rating |
| Pentland Investments Ltd | Edinburgh | A rating |
| Pentwyn Care Ltd T/A Pentwyn House Nursing Home | Marshfield | A rating |
| Penumbra Asset Finance (UK) Limited | London | A rating |
| Penumbra Interventional Therapies UK Limited | London | A rating |
| Penumbra Mental Health | EDINBURGH | A rating |
| Penwortham Free Methodist Church (known as King's Church ) | Preston | A rating |
| Penwortham St. Mary's Medical Group | Preston | A rating |
| Penygroes Super Store | Penygroes | A rating |
| Penylan Residential Hotel | CARDIFF | A rating |
| Penzance & Newlyn Rugby Ltd | Penzance | A rating |
| penzance cricket club | penzance | A rating |
| Peonia Medical Ltd. | Nottingham | A rating |
| peony culture communication limited | SEVENOAKS | A rating |
| People and their Brilliance Ltd | Brighton | A rating |
| PEOPLE ARCHES LIMITED,TA McDonalds | Warwick, | A rating |
| People Asset Management Ltd | Warrington | A rating |
| People Can Fly UK LTD | Gateshead | A rating |
| People First Care (Rennington) Ltd | Whickham | A rating |
| People for the Ethical Treatment of Animals (PETA) Foundation | London | A rating |
| People Group of Companies Ltd | London | A rating |
| People In Need (PIN) UK | London | A rating |
| People Insight Ltd | London | A rating |
| People Matter Support Service Limited | Reading | A rating |
| People of Grace Gospel Mission | Dartford | A rating |
| People Panels Ltd | Basingstoke | A rating |
| People PAYE Limited | Warminster | A rating |
| People Places Lives Limited | Wigan | A rating |
| People Support Ltd | Swansea | A rating |
| People, Place and Participation Ltd. | Oxford | A rating |
| People's Choice UK Ltd | Bedford | A rating |
| People's Energy | Dalkeith | A rating |
| People's Health Trust | London | A rating |
| People's Mission | South Shields | A rating |
| People's Palace Projects | London | A rating |
| PeopleCert UK Ltd | London | A rating |
| Peoplefluent Ltd | London | A rating |
| PEOPLES CARE LT D | London | A rating |
| Peoples Limited | Falkirk | A rating |
| Pep general maintenance limited | London | A rating |
| Pepceuticals Limited | Leicester | A rating |
| Pepco import export ltd | HARROW | A rating |
| Pepe's | Dumfries | A rating |
| Pepe's Piri Piri | Denbighshire | A rating |
| Pepe's Piri Piri | St Helens | A rating |
| PEPES PIRI PIRI | BRISTOL | A rating |
| Pepi Limited | Cardiff | A rating |
| Pepler Lee Group | Burgess Hill | A rating |
| Pepper (UK) Limited | London | A rating |
| Pepper & Crust Ltd | Batley | A rating |
| Pepper Corporation Marketing Services Ltd | London | A rating |
| PEPPER ENTERPRISES LTD T/A MERINGTON STORE | SOUTHAMPTON | A rating |
| Pepper Money (PMB) Limited | Cardiff | A rating |
| Pepper Rocks Limited | Nottingham | A rating |
| Pepperdine University | London | A rating |
| Pepperhall Limited | Birmingham | A rating |
| PepperHQ Ltd | London | A rating |
| Peppermint Dental Limited | Worthing | A rating |
| Peppermint Ops Limited | Cardiff | A rating |
| PEPPERS | London | A rating |
| Peppers Cable Glands Ltd | Camberley | A rating |
| Pepperstone Limited | London | A rating |
| Peppy Health Limited | London | A rating |
| PepsiCo International Ltd | Reading | A rating |
| Peptimatrix Limited | Nottingham | A rating |
| Peques Leisure Ltd | London | A rating |
| Per Ardua Limited | North Shields | A rating |
| Per Tutti Limited | St Albans | A rating |
| Per-Scent Ltd | Manchester | A rating |
| PER4M Asset Management Limited | London | A rating |
| PERA & PARTNERS LEGAL CONSULTANCY LTD | Waltham Cross | A rating |
| Perbak Capital Partners LLP | London | A rating |
| Percepta UK Limited | Glasgow | A rating |
| Perception Events Ltd | London | A rating |
| Perceptive Agency Limited | Edinburgh | A rating |
| Perceptive Consulting Solutions Ltd | Harlestone | A rating |
| Perceptive Informatics UK Ltd | Nottingham | A rating |
| Perceptual Robotics Limited | BRISTOL | A rating |
| PERCEPTYX UK LTD | Cheltenham | A rating |
| Perch Group Limited | Blackpool | A rating |
| PerchPeek LTD | Crawley | A rating |
| PERCIPERE CONSULTING LTD | London | A rating |
| Percorso Studio Ltd | London | A rating |
| PerCurra Chelmsford West and Brentwood | Chelmsford | A rating |
| Percy & Reed Product Limited | London | A rating |
| Percy Motors Birmingham Ltd. | Birmingham | A rating |
| Percy Restaurants Ltd T/A Chettinad Restaurant | London | A rating |
| PERCYS BAKING UK LTD | Oxted | A rating |
| Perega Limited | Guildford | A rating |
| PEREGRINE CORPORATE AND BUSINESS COMMUNICATIONS LIMITED | London | A rating |
| Peregrine Print Limited | Bradford | A rating |
| Peregrine Technologies UK Ltd | London | A rating |
| Pereira and Pereira Ltd t/a Fineclean | Worcester | A rating |
| Perella Weinberg UK Limited | London | A rating |
| Perenco Holdings | London | A rating |
| Perennial Pharma Ltd | Hatfield | A rating |
| Perenti UK Ltd | London | A rating |
| Perera & Sons Ltd | Southampton | A rating |
| Perez Drylining Services Limited | Wolverhampton | A rating |
| Perez Literary & Entertainment Ltd | London | A rating |
| Perez-Llorca UK LLP | London | A rating |
| PERFECT (LONDON) LTD | London | A rating |
| Perfect Associates Group Limited | Hazel Grove | A rating |
| Perfect Beauty Reading LTD | Reading | A rating |
| PERFECT CALL HEALTHCARE LTD | Portsmouth | A rating |
| Perfect Care Group Limited | Cambridge | A rating |
| Perfect Care Limited | London | A rating |
| Perfect Cartel Ltd | London | A rating |
| Perfect Chance Foundation | Dartford | A rating |
| Perfect Channel Limited | London | A rating |
| PERFECT CHAUFFEUR LTD | Dagenham | A rating |
| Perfect Clean Edinburgh Ltd | Edinburgh | A rating |
| Perfect Contractors Limited | Staines-Upon-Thames | A rating |
| Perfect Cover Limited | Crewe | A rating |
| Perfect Data Solutions Limited | Whiteley | A rating |
| Perfect Data Solutions Ltd | Whiteley | A rating |
| PERFECT DIGITAL LTD | London | A rating |
| PERFECT EVENT LALHAVELI LTD T/A LAL Haveli Banquting Hall | Walsall | A rating |
| PERFECT FINISH CLEANING GROUP LIMITED | Poole | A rating |
| Perfect Fried Chicken | London | A rating |
| Perfect Fried Chicken | Croydon | A rating |
| Perfect Fried Chicken Ltd | Reading | A rating |
| Perfect Fried Chicken Nice Ltd | London | A rating |
| PERFECT GAS SERVICES LTD | Sheffield | A rating |
| Perfect Glaze Limited | London | A rating |
| Perfect Harmony Productions Ltd | Croydon | A rating |
| Perfect Integration Ltd | London | A rating |
| PERFECT LINK INTERNATIONAL LTD | London | A rating |
| Perfect Moment (UK) Limited | London | A rating |
| PERFECT MOTORS LTD | Essex | A rating |
| Perfect Pal Healthcare Ltd | Cardiff | A rating |
| PERFECT PIZZA (SLOUGH) LTD | Slough | A rating |
| Perfect Retail Solution Ltd | London | A rating |
| perfect shutters ltd | Merseyside | A rating |
| Perfect Size Ltd | Nottingham | A rating |
| Perfect Smile Associates Limited | London | A rating |
| PERFECT SMILE CLINIC (UK) LTD | Leeds | A rating |
| Perfect Smile Falcon Road Limited | Surrey | A rating |
| Perfect Subs Limited | Birmingham | A rating |
| PERFECT TAILOR LTD | London | A rating |
| Perfect Teeth | London | A rating |
| Perfect Travel Planner Ltd | London | A rating |
| Perfect Vets | Stafford | A rating |
| PERFECT2TRADE LTD | HEDGE END | A rating |
| Perfectalign Limited | Preston | A rating |
| PERFECTION FOODS LIMITED | Walsall | A rating |
| Perfection Hair and Beauty | London | A rating |