| PROZONE SECURITY LTD | Birmingham | A rating |
| Prozone Training Limited | Birmingham | A rating |
| PRP Architects LLP | London | A rating |
| PRP Architecture LLP | London | A rating |
| PRP TRADING LTD T/A Nisa Local | Manchester | A rating |
| PRP UK Ltd | Leicester | A rating |
| PRR SERVICE LTD T/A ESSO | St Michaels | A rating |
| PRS Consultancy services ltd | Reading | A rating |
| PRS for Music Limited | London | A rating |
| PRS IN VIVO UK Limited | London | A rating |
| PRS-UK LTD | Leven | A rating |
| PRSS Limited | Greenford | A rating |
| Prudence Supported Living Limited | Leicester | A rating |
| prudent asset management limited | london | A rating |
| Prudent Care Homes Limited | Romford | A rating |
| Prudent Care Solutions Limited | Nottingham | A rating |
| Prudent Consultancy Ltd | London | A rating |
| Prudent Domiciliary Care | Ashford | A rating |
| Prudent Health Services Ltd | Willenhall | A rating |
| Prudent Health Services Ltd | Walsall | A rating |
| Prudent Supported Living Ltd | Nottingham | A rating |
| Prudent Supported Living Ltd | Long eaton | A rating |
| PRUDENTIA TAX LIMITED | LEEDS | A rating |
| PRUDENTIAL MOTORS LIMITED | Whitchurch | A rating |
| Prudential PLC | London | A rating |
| Pruna Industries Limited | London | A rating |
| Prune Payments LTD | London | A rating |
| Prutha Dry Cleaners Ltd T/As Michaels Dry Cleaners | London | A rating |
| PRX Pharmacy Ltd | Harrow | A rating |
| Pryce & Co Limited | Galashiels | A rating |
| PRYORS CORPORATE TRAVEL LIMITED | Didcot | A rating |
| Prysmian Cables & Systems Limited | Eastleigh | A rating |
| Prysmian Powerlink Services Limited | Middlesbrough | A rating |
| Prytania Investment Advisors LLP | London | A rating |
| PS Autos Limited | Slough | A rating |
| PS Builders Bedford Ltd | Bedford | A rating |
| PS Courier Services Ltd | West Bromwich | A rating |
| PS Delta Ltd | London | A rating |
| PS ELECTRONICS REPAIRS LTD | Slough | A rating |
| PS Haulage Limited | Slough | A rating |
| PS Hummingbird | Teddington | A rating |
| PS LOGISTICS SERVICES LTD | Leicester | A rating |
| PS London Ltd | London | A rating |
| PS SERVICES LONDON LIMITED | London | A rating |
| PS SONS LTD T/A COURT LANE CONVENIENCE STORE GO LOCAL | BIRMINGHAM | A rating |
| PS SWINDON LTD t/a Victoria News | SWINDON | A rating |
| PS WORKFORCE LTD | Staines | A rating |
| PS2 Management Services Limited | Southampton | A rating |
| PSA Care Ltd | Northampton | A rating |
| PSA Financial Services Ltd | Blaby | A rating |
| PSA Home Care Ltd T/A PSA Home Care | Birmingham | A rating |
| PSA Parts Ltd | Colliers Wood | A rating |
| PSA Stores t/a Premier Extra | Gedling | A rating |
| PSB ACCOUNTANTS LIMITED | LONDON | A rating |
| PSB Carpets & Flooring Ltd | Kettering | A rating |
| PSB2 Limited T/A Dakhin | Glasgow | A rating |
| PSC Biotech Ltd | Newry | A rating |
| PSC Construction Ltd | Wednesfield | A rating |
| PSC Management (NI) LLP | Belfast | A rating |
| PSC Service Company Limited | London | A rating |
| PSD Poseidon Consulting Limited | London | A rating |
| PSD POSEIDON GLOBAL CONSULTING LTD | London | A rating |
| PSD PROPERTIES | Ilford | A rating |
| PSDC Ltd | Ash Tonbridge, | A rating |
| PSE2 Ltd | Bristol | A rating |
| pSemi Corporation | Theale | A rating |
| PSEPHOS LIMITED | Brighton | A rating |
| PSEV (Partnership for socio Economic Ventures) Ltd | London | A rating |
| PSG CIVILS LTD | GRAVESEND | A rating |
| PSG Equity LLP | London | A rating |
| PSG UK RETAIL LTD | Harrogate | A rating |
| PSH Operations | Colchester | A rating |
| PSI CRO UK Ltd | Kidlington | A rating |
| PSI Metals UK Ltd. | Watford | A rating |
| PSI Services (UK) Limited | London | A rating |
| Psicon Limited | Canterbury | A rating |
| PSIKOLOG LONDRA LTD | London | A rating |
| PsiQuantum Ltd | Burnham | A rating |
| PSJ ALEXANDER &CO | LONDON | A rating |
| PSJ Construction Limited | Oldham | A rating |
| PSK Cheltenham Ltd | Cheltenham | A rating |
| PSK Design Ltd | Sale | A rating |
| PSK Management Ltd t/a Morrisons Daily | Cranfield | A rating |
| PSK Metonym Systems Ltd | Rainham | A rating |
| PSK Retail Ltd T/A Budgens | Milton Keynes | A rating |
| PSL Capital Limited | London | A rating |
| PSL People Solutions Ltd | London | A rating |
| PSL Tuning Limited | Essex | A rating |
| PSL Vape Ltd T/As Vape Home | Melton Mowbray | A rating |
| PSLAB LIMITED | London | A rating |
| PSLC (By Guarantee) Ltd | Pontefract | A rating |
| PSM Healthcare Ltd | Birmingham | A rating |
| PSM LOGISTICS LTD | WATFORD | A rating |
| PSM PHARM LTD T/A Swanley pharmacy | Swanley | A rating |
| PSM Subs Limited T/A Subway | Birmingham | A rating |
| PSM100 UK LTD | LONDON | A rating |
| PSMS TRADING LTD | LEICESTER | A rating |
| PSN RECRUITMENTS LTD | HASTINGS | A rating |
| PSO TRAVEL UK LTD | Reading | A rating |
| PSP Dental Co. Ltd. | Belvedere | A rating |
| PSP Fuel Services Ltd | Brighton | A rating |
| PSP Investments Holding Europe Ltd | London | A rating |
| PSP Oldham Ltd | Oldham | A rating |
| Pspice e-orders ltd | Cardiff | A rating |
| PSR Services Ltd | Camberley | A rating |
| PSS Care Group Ltd | Rochester | A rating |
| PSS Consulting Solutions UK Limited | Tarporley | A rating |
| PSS POWER ENGINERRING LTD | Weybridge, | A rating |
| PSS SHIPPING SERVICES UK LTD | London | A rating |
| PSS TECH SERVICES LTD | Basildon | A rating |
| Psu Trading Limited t/a Cheers Off Licence | Blackheath | A rating |
| PSV Express | Northolt | A rating |
| Psycare Limited | Hertford | A rating |
| Psychiatry Plus Ltd | Harrow | A rating |
| Psycholegal Experts Limited t/a PLE Health | STROUD | A rating |
| PSYKHE LTD | London | A rating |
| Psyros Diagnostics Limited | Sandwich | A rating |
| PSYWELL LTD | London | A rating |
| PT Bank Negara Indonesia (Persero) bk | London | A rating |
| PT Contractors Limited | Southampton | A rating |
| PT Food and Wine | Merseyside | A rating |
| PT Massage Group Ltd | Manchester | A rating |
| PT Southern Services T/A Ultima Care | Ashford | A rating |
| Pt Story Ltd T/A Pad Thai Story | London | A rating |
| PT THOMAS & SONS LTD | GRAYS | A rating |
| PT WOLVERHAMPTON LIMITED | WOLVERHAMPTON | A rating |
| PT03 LIMITED | BOLTON | A rating |
| PTB SCOT LIMITED t/aThe Plaice To Be | Pitlochry | A rating |
| PTFG LTD T/A PODGE AND TIN EATERY | CANNOCK | A rating |
| PTI Catering Services Ltd | Edinburgh | A rating |
| PTI Digital | London | A rating |
| PTI London Ltd t/a Amberth | London | A rating |
| PTI Soctland Limited | Glasgow | A rating |
| PTO Commercial Limited | London | A rating |
| PTP Training Ltd | Walsall | A rating |
| PTSG Access & Safety Ltd | Castleford | A rating |
| PTSMARTCARESERVICES LIMITED | Southend-on-Sea | A rating |
| PTT International Trading London Ltd | London | A rating |
| PTV (UK) Limited | Birmingham | A rating |
| PU Tech Ltd | Leicester | A rating |
| Pub Invest Group Limited | Liverpool | A rating |
| Pub World Ltd T/A Ye Shakespeare | Bristol | A rating |
| PUBHOUSE & KITCHEN LIMITED | Horsham | A rating |
| Pubity Group Ltd | London | A rating |
| PUBLIC CATERING LTD | Blackburn | A rating |
| Public Desire Limited | Manchester | A rating |
| Public Digital Limited | London | A rating |
| Public Gallery Limited | London | A rating |
| PUBLIC Group International Limited | London | A rating |
| Public Health Agency | Belfast | A rating |
| Public Health Scotland | Edinburgh | A rating |
| Public Health Wales NHS Trust | Cardiff, | A rating |
| Public House Group Limited | London | A rating |
| Public Interest Incorporated Association The Japan Association of Marine Safety London Office | London | A rating |
| Public Law Project | London | A rating |
| Public Solutions inc. Limited | Oldham | A rating |
| Public Welfare Trust | Birmingham | A rating |
| Public-i Group Ltd | Hove | A rating |
| Publica Associates Limited | London | A rating |
| Publicis Healthcare Communications Group Limited | London | A rating |
| Publicis Limited | London | A rating |
| Publiq | London | A rating |
| Publisherr Limited | London | A rating |
| PUBLIX CLEANING LTD | Luton | A rating |
| PubMatic Ltd | London | A rating |
| PubNub UK Limited | London | A rating |
| Puccino Slough Ltd | Slough | A rating |
| Puccino's AKM Finsbury Ltd | London | A rating |
| Puccino's AKM Hitchin Ltd | Hitchin | A rating |
| PUCCINO'S AKM TWICKENHAM PLAT LTD | Twickenham | A rating |
| PUCCINO'S M&M LEATHERHEAD LTD | Leatherhead | A rating |
| Puck Studio Ltd | London | A rating |
| Puckeridge Local Store Ltd TA Puckeridge Local Store | Puckeridge, Ware | A rating |
| PUDDING & MORNING MANCHESTER LTD | Manchester | A rating |
| Puddle Jumpers Ltd | London | A rating |
| Puddleducks and POSH Ltd | Leamington Spa | A rating |
| Pudsey Congs Cricket Club | Pudsey | A rating |
| Pudsey St Lawrence Cricket Club | Leeds | A rating |
| Puff Puff Balloons Ltd | London | A rating |
| PUG1OFF LIMITED | BRACKLEY | A rating |
| Pugal Brothers Ltd | Swansea | A rating |
| Pugh and Sanders Limited | Burton on Trent | A rating |
| PUGS CAFE LIMITED | LONDON | A rating |
| Puig UK Limited | London | A rating |
| PUKKA ART LIMITED | London | A rating |
| PULHAT LTD T/A PULHAT BUSINESS | London | A rating |
| Pullins Bakers | Yatton | A rating |
| Pulloxhill Gymnastics Centre (trading as Gymnastics Reborn) | Pulloxhill | A rating |
| PULMUONE FOODS UK LTD | London | A rating |
| Pulp-Tec Limited | Glasgow | A rating |
| PulpaTronics Limited | London | A rating |
| Pulsant Limited | Maidenhead | A rating |
| Pulsar Aerospace Ltd | Aston Clinton | A rating |
| PULSAR CONSULTING LTD | Yateley | A rating |
| Pulsar Europe Limited | London | A rating |
| Pulsar Group PLC | London | A rating |
| Pulsar Process Measurement Ltd | Malvern | A rating |
| Pulse Advertising Ltd | London | A rating |
| Pulse Associates Limited | Nottingham | A rating |
| Pulse Brands Limited | London | A rating |