| Poplars Nursing Home | Smethwick | A rating |
| POPPIN SHAFTESBURY LTD | London | A rating |
| Poppins Agency Limited | London | A rating |
| Poppins New Milton LTD | New Milton | A rating |
| Poppleston Allen | Nottingham | A rating |
| POPPUN LTD | Croydon | A rating |
| Poppy Cottage Limited | Denham | A rating |
| Poppy Hill Church of England Multi Academy Trust | Henlow | A rating |
| Poppys Homecare Ltd | Weston super Mare | A rating |
| POPS BANGOR LTD T/A PEPE'S | Gwynedd | A rating |
| POPSODA LTD | ILFORD | A rating |
| Popson Healthcare Ltd | London | A rating |
| POPSTYLE MEDIA LTD | London | A rating |
| Popular Care Ltd | Newcastle Upon Tyne | A rating |
| Popular Kitchen Limited | Guildford | A rating |
| POPULAR LIMITED T/A THE OLDE FORGE STORES | WOODBRIDGE | A rating |
| Population Health Partners UK Ltd | London | A rating |
| Populous Ltd | London | A rating |
| Popup Asylum LTD | Manchester | A rating |
| PopUp Mainframe Ltd | Wokingham | A rating |
| POPX LTD | Dartford | A rating |
| Poq Studio Ltd | London | A rating |
| Poradigm Technologies Ltd. | Belfast | A rating |
| Porbandar Restaurants Ltd | Peterborough | A rating |
| PORCEK CONTRACTS LIMITED | Newry | A rating |
| PORCELAIN STONES LIMITED | LONDON | A rating |
| Porcelain Tiles Ltd | London | A rating |
| Porch Surgery | Corsham, Wiltshire | A rating |
| Porchiva Limited | Blackburn | A rating |
| Porex Technologies Limited | Alness | A rating |
| Porfan Metalwork Ltd | London | A rating |
| Porini Polo Limited | Liphook | A rating |
| PORMAX LIMITED | Hounslow | A rating |
| Poro Technologies Ltd | Cambridge | A rating |
| PORR UK Ltd | Uxbridge | A rating |
| Porsche Cars GB Ltd. | Reading | A rating |
| Porsche Centre Chester | Chester | A rating |
| Porsche Financial Services Great Britain Ltd | Reading | A rating |
| Porsche Retail Group Limited | Reading | A rating |
| Port Charlotte Hotel | Port Charlotte | A rating |
| PORT CONSTRUCTIONS LIMITED | Coleraine | A rating |
| Port Global Ltd | London | A rating |
| Port Hotel Eastbourne Limited | Eastbourne | A rating |
| Port Innovative Solutions Ltd | Stockport | UK Expansion Worker: Provisional |
| Port IO UK Limited | London | A rating |
| PORT LINE SHIPPING LTD | HARROW | UK Expansion Worker: Provisional |
| PORT N ALE LTD | Tipton | A rating |
| Port Nicholson Ltd | Northampton | A rating |
| Port of Sheerness Limited | Liverpool | A rating |
| Port of Tyne Authority | South Shields | A rating |
| Port Regis | Shaftesbury | A rating |
| Port Saffron Limited | London | A rating |
| Port Solent Hospitality Limited | STRATFORD UPON AVON | A rating |
| Port Solent Valeting Centre Ltd | Portsmouth | A rating |
| Port Street Car Park Limited | Manchester | A rating |
| Port Talbot Specsavers | Port Talbot | A rating |
| PORT TRACTION LTD | AYLESFORD | A rating |
| Port Vale Football Club Ltd | Stoke-on-Trent | A rating |
| Port2Port Maritime Security Limited | Manchester | A rating |
| Portable Multimedia Limited t/a Nextbase | London | A rating |
| Portable Venues Group Ltd (T/A Smart Space Instant Buildings) | Tamworth | A rating |
| Portage AI UK Limited | London | A rating |
| Portakabin Limited | Huntington | A rating |
| PORTAKABIN LIMITED | YORK | A rating |
| Portal Biotech Limited | London | A rating |
| Portal Security Ltd | Glasgow | A rating |
| Portal Studio Limited | London | A rating |
| Portals Music Ltd | London | A rating |
| PORTALSOFT LTD | London | A rating |
| Portas Agency Ltd | London | A rating |
| Portas Consulting Limited | London | A rating |
| Portclean Services Solutions Limited | London | A rating |
| Porte Consulting Corporate Ltd | London | A rating |
| Porte Noire Kings Cross Ltd | London | A rating |
| Portelet Care Limited | Bournemouth | A rating |
| Portelet Cottage Limited | Bournemouth | A rating |
| Portelet Manor Limited | Bournemouth | A rating |
| Portequip Ltd | Newton Stewart | A rating |
| Porter & Lambert UK Ltd | Manchester | A rating |
| Porter Bathroom Ltd | Kesh | A rating |
| Porterbrook Leasing Co Ltd | DERBY | A rating |
| Porterhouse Medical Limited | Reading | A rating |
| Portfolio BI Ltd | London | A rating |
| Portfolio Homecare Limited | Hoddesdon | A rating |
| Portfolio Personal Investments Limited | Warwick | A rating |
| Portglenone Refrigeration Services Ltd | Portglenone | A rating |
| Porth Mobile Zone | Porth | A rating |
| PORTH STORES | PORTH | A rating |
| Porthaven Care Homes No 3 Ltd | Windsor | A rating |
| Porthaven Management Limited | Windsor | A rating |
| Porthcawl Specsavers Limited | Porthcawl | A rating |
| Porthill Park Cricket Club | Newcastle under Lyme | A rating |
| Porthmeor Beach Services | St Ives | A rating |
| PorthouseDean Ltd | Manchester | A rating |
| Portia AI Ltd | London | A rating |
| Portico Consulting Ltd | Farnham | A rating |
| Portico Sport UK | Congleton | A rating |
| PORTILLION SPV1 LTD T/A LOVE HEMP | CROYDON | A rating |
| Portishead Specsavers Limited | Portishead | A rating |
| Portland Care Group Limited | Sheffield | A rating |
| Portland College | Mansfield | A rating |
| Portland Convenience Store | Hove | A rating |
| Portland Food & Wine Ltd | London | A rating |
| Portland Group Properties LTD | London | A rating |
| Portland London LTD | London | A rating |
| Portland Medical Centre | London | A rating |
| Portland Medical Practice | Lincoln | A rating |
| Portland Nurseries Limited | Huddersfield | A rating |
| Portland Nursing Home | Buxton | A rating |
| Portland Residential | Newcastle | A rating |
| PORTLETHEN COMPUTER (SERVICES) LIMITED | Aberdeen | A rating |
| Portlethen Dental Care | Portlethen | A rating |
| Portmadoc Holiday Camp Limited | Porthmadog | A rating |
| PORTMAN DIGITAL MARKETING LTD | LONDON | A rating |
| Portman Healthcare Limited | Cheltenham | A rating |
| Portman Hospitality Services Ltd | Woodford Green | A rating |
| Portman Operations Limited | Northampton | A rating |
| PORTMAN SETTLED ESTATES LIMITED | LONDON | A rating |
| Portman Square Capital | London | A rating |
| Portmeirion Limited | Penrhydeudraeth | A rating |
| Porto Catering Limited | Farnworth | A rating |
| Porto Douro Kitchen limited | Solihull | A rating |
| PORTO MOTORS LIMITED | Edinburgh | A rating |
| Porto Rocha UK Limited | London | A rating |
| PORTOBELLO BEHAVIOURAL HEALTH LIMITED | London | A rating |
| Portobello Cafe Bar Restaurant | Nottingham | A rating |
| Portobello Fashion Ltd | London | A rating |
| PORTOBELLO INTERNATIONAL LTD | London | A rating |
| Portobello Medical Centre | London | A rating |
| Portobello Pakistani Educational & Cultural Centre (The Madrasah) | Edinburgh | A rating |
| PORTOBELLO STARBOARD LIMITED | Bath | A rating |
| PORTOFINO (HARROGATE) LTD | HARROGATE | A rating |
| PORTOFINO ITALIAN LTD | Clacton-On-Sea | A rating |
| Portofino Technologies UK Limited | Altrincham | A rating |
| PORTRAIT PLACE STUDIOS LTD | Luton | A rating |
| Portree Dental Care Ltd | PORTREE | A rating |
| Portree Partnership TA The Old Inn | Gairloch | A rating |
| Ports Facilities Projects Nig Ltd | Dartford | A rating |
| Portsdown Group Practice | Portsmouth | A rating |
| Portsea Asset Management LLP | London | A rating |
| Portslade Specsavers Limited T/A Specsavers Opticians | Hove | A rating |
| Portsmouth Central Mosque | Portsmouth | A rating |
| Portsmouth Community Football Club | Portsmouth | A rating |
| Portsmouth Cricket Club | Portsmouth | A rating |
| Portsmouth Diocesan Trust | Portsmouth | A rating |
| Portsmouth High School | Southsea | A rating |
| Portsmouth Hospitals University NHS Trust | Portsmouth | A rating |
| Portsmouth Jami Mosque & Islamic Centre | Southsea | A rating |
| Portsmouth Local Authority | Portsmouth | A rating |
| Portsmouth North End Specsavers Limited T/A Specsavers Opticians | Portsmouth | A rating |
| Portsmouth Specsavers Hearcare Limited | Portsmouth | A rating |
| Portsmouth Specsavers Ltd T/A Specsavers Opticians | Portsmouth | A rating |
| PortSwigger Ltd | Knutsford | A rating |
| Portswood Mini Mart Limited | Southampton | A rating |
| Portvalley Limited | London | A rating |
| Portview | Belfast | A rating |
| PORTWAY CONVENIENCE LIMITED | Manchester | A rating |
| Portway Healthcare Limited | Oldbury | A rating |
| PORTWAY HOUSE CAFE LIMITED | Birmingham | A rating |
| Portway House Care Home Ltd | Oldbury | A rating |
| Portway Solicitors | London | A rating |
| Portx Limited | London | A rating |
| PORVAIR PLC | Kings Lynn | A rating |
| Posa Care Solutions Limited | GLOUCESTER | A rating |
| Posada & Co. | London | A rating |
| Posco Capital Partners Plc | London | A rating |
| POSCO INTERNATIONAL CORPORATION LONDON BRANCH | London | A rating |
| POSCO International Deutschland GmbH | London | A rating |
| Pose AR Limited | Cassington | A rating |
| Poseidon Navigation Services Ltd | Buckie | A rating |
| POSEIDON SECURITY SPECIAL SERVICES LTD | Dartford | A rating |
| Posh Chips Ltd T/A Angies Fish Bar | Loughborough | A rating |
| Posh Cockney Limited | London | A rating |
| Posh Flair Ltd | Nottingham | A rating |
| POSH GROUP SERVICES LIMITED | Birmingham | A rating |
| Posh Virtual Receptionists UK Limited | Reading | A rating |
| POSH WAY LTD | LONDON | A rating |
| POSHMARK TRADING LTD | MANCHESTER | A rating |
| Poshwalk Ltd | Newcastle | A rating |
| Posi-Thread (UK) Ltd | Washington | A rating |
| Posillipo At Acqua Ltd | Faversham | A rating |
| Positano Trading Limited | Guildford | A rating |
| POSITEC (UK AND IRELAND) LIMITED | Newbury | A rating |
| Positeeth | Bristol | A rating |
| Position Green UK Ltd | London | A rating |
| Positiv-id Touring Limited | London | A rating |
| POSITIVE & NAV ELECTRICAL LTD | Rowley Regis | A rating |
| Positive Action in Housing Ltd | Glasgow | A rating |
| Positive Behaviour Support for Learning CIO | Harrow | A rating |
| Positive Care Solutions Ltd | Manchester | A rating |
| POSITIVE DIGITAL LIMITED - T/A Brand Potential | London | A rating |
| Positive East | Stepney | A rating |
| Positive Futures | Bangor | A rating |
| Positive Individual Proactive Support Limited | Middlesbrough | A rating |
| Positive Paths Healthcare | Shifnal | A rating |
| Positive Power Solution Ltd | London | A rating |
| Positive Support For You CIC | Middlesbrough | A rating |
| Positive Support Group | London | A rating |
| Positive Support Group Limited | England | A rating |
| PositiveLuxury Limited | London | A rating |