| NNKT LIMITED | Peterborough | A rating |
| NNM Soundproofing Limited | Surbiton | A rating |
| NNMK Limited | Hounslow | A rating |
| NNP LIMITED | CHISLEHURST | A rating |
| NNR GLOBAL LOGISTICS UK LIMITED | FELTHAM | A rating |
| NNR Global Logistics UK Ltd | Feltham | A rating |
| NNTG Ltd | Feltham | A rating |
| NNU Immigration Limited | London | A rating |
| NNX Ltd | Ilford | A rating |
| NO 1 PERFORMING ARTS | London | A rating |
| NO 1 PREMIER LTD | Bristol | A rating |
| NO 3 GIN BAR LTD | CREDITON | A rating |
| No Ghost Limited | London | A rating |
| No Grey Area Ltd | Hampshire | A rating |
| No Label Ventures Adviser Limited | London | A rating |
| No Logo Media Limited | Edinburgh | A rating |
| No Place Like Home Care Midlands Ltd | Leicestershire | A rating |
| No Worries Company Services Ltd | London | A rating |
| NO. 79 LIMITED | London | A rating |
| NO.1 CONSULTANTS LTD | Nottingham | A rating |
| no.1 roofing uk ltd | chatham | A rating |
| NO.1. DISTRIBUTION LIMITED | Walsall, West Midlands | A rating |
| NO.3 PROJECTS LIMITED | London | A rating |
| NO.61 BRIDGE CAFE LTD | Manchester | A rating |
| No.8 Sound and Vision Ltd | London | A rating |
| NO1 LOUNGES (BHX) LTD | London | A rating |
| NO1 LOUNGES (LHR) LTD | London | A rating |
| NO17 THE PROMENADE LTD | OBAN | A rating |
| NO3.WYE Limited | Ross On wye | A rating |
| No8 Manchester Ltd | Manchester | A rating |
| Noa Girls | London | A rating |
| Noadswood School | Southampton | A rating |
| Noah Law Associates Ltd | New Malden | A rating |
| NOAH PVT LTD | London | A rating |
| Noah s plaice fish and chip shop | Egremont | A rating |
| Noak Bridge Village Stores and Post Office | Essex | A rating |
| Noatum Logistics UK Limited | Egham | A rating |
| NOBEL BIOCARE U.K. LIMITED | Uxbridge | A rating |
| Nobel Oil E&P Management (UK) Limited | London | A rating |
| Nobilia GB Ltd | ROCHDALE | A rating |
| Nobilis Care East Limited | Southampton | A rating |
| Nobilis Care South Ltd | Southampton | A rating |
| NOBILIS CARE WEST LIMITED | Southampton | A rating |
| Nobility Healthcare Ltd | Coventry, | A rating |
| Noble & Glory Ltd | London | A rating |
| Noble Artis Pvt Ltd | Harrow | A rating |
| NOBLE BALTI HOUSE LTD | Abertillery | A rating |
| NOBLE BOOKS SHOP LTD | LONDON | A rating |
| Noble Brew Limited T/A The Bun and Barrel | Birmingham | A rating |
| Noble Care Alliances | Cheshire | A rating |
| NOBLE CARE HOMES LTD | St. Leonards-On-Sea | A rating |
| Noble Care Limited | London | A rating |
| Noble Cosmetics Limited | Birmingham | A rating |
| Noble Decorators of London LTD | London | A rating |
| NOBLE DENTAL PRACTICE | Sutton Coldfield | A rating |
| Noble Drilling (Land Support) Ltd | Aberdeen | A rating |
| Noble Drilling UK Limited | Cheshire | A rating |
| Noble Education Trust | Oldham | A rating |
| Noble Foods Limited | Staines-Upon-Thames | A rating |
| Noble Healthcare Limited | Sandy | A rating |
| NOBLE OFFSHORE DRILLING (UK) LTD | Aberdeen | A rating |
| NOBLE PACKAGING LIMITED | Glasgow | A rating |
| Noble Restaurant Group Limited | London | A rating |
| Noble Restaurant limited | Aylesbury | A rating |
| Noble Retail Limited | St Neots | A rating |
| Noble Rot Limited | London | A rating |
| Noble Trading UK Limited | St Neots | A rating |
| Noble Travel and Money Exchange Limited | London | A rating |
| NOBLE U.K. LIMITED | Milton Keynes | A rating |
| Noble View Limited | Kendal | A rating |
| NoBlue2 Limited | Derby | A rating |
| Nobodys Child | Camden, London | A rating |
| NOBU LONDON LIMITED | London | A rating |
| NOCTURNE ATELIER LIMITED | Birmingham | A rating |
| Nocturne Clothing Limited t/a LABSTORE WESTEND | London | A rating |
| Noddfa Baptist Church | Pontypool | A rating |
| Noddington Technologies Limited | London | A rating |
| Noddys Nursery School Ltd | London | A rating |
| Node 4 Limited | Derby | A rating |
| Node Group Ltd | Walthamstow | A rating |
| Node Urban Design Ltd | Birmingham | A rating |
| NODEK SERVICES UK LTD. | Ilford | A rating |
| Nodens Medical Ltd | Guildford | A rating |
| NodeOne Ltd | Swindon | A rating |
| nodeQ Limited | London | A rating |
| Nodes Technologies Limited | Reading | A rating |
| Nodety Limited | Macclesfield | A rating |
| NodeWeave Technologies Limited | Faversham | A rating |
| Noe and Associates Limited | London | A rating |
| NOE Q-COMMERCE LTD | London | A rating |
| Noel Fehily Racing Ltd | Trowbridge | A rating |
| Noel Foods Ltd | London | A rating |
| Noel Wellness & Beauty Ltd | Southall | A rating |
| Noerr PartGmbB | London | A rating |
| Noetica Limited | London | A rating |
| NOFA19 LTD | Salford | A rating |
| Nofitech UK | Menstrie | A rating |
| Nofitstate Community Circus Ltd | Cardiff | A rating |
| Noggin HQ LTD | London | A rating |
| Noir Courrier Daimond Limited | BARKING | A rating |
| Noir Espresso Ltd | London | A rating |
| Noir Productions Ltd | London | A rating |
| Noise Consultants Ltd | Warrington | A rating |
| Noise Films Ltd | London | A rating |
| Noise Media Limited | London | A rating |
| Noise Solution CIC | Cambridge | A rating |
| Noise Solutions Limited | Alton | A rating |
| NOISELESSTWINKLE LTD | London | A rating |
| Noiser | London | A rating |
| Noisy Clan Ltd | Edinburgh | A rating |
| Noisy Oak Ltd t/a KO Brentwood | Cambridge | A rating |
| NOKARONLINE LIMITED | Chertsey | A rating |
| Nokia UK Limited | Bristol | A rating |
| Nola Foods Ltd | Bradford | A rating |
| NOLA PIZZA LTD | Manchester | A rating |
| Nola Studio Ltd | London | A rating |
| Nolan Business Solutions PLC | Fleet | A rating |
| Nolana Limited | London | A rating |
| Nolato PPT Ltd | Maldon | A rating |
| Nollypeek Entertainment and Partners Limited | London | A rating |
| NOLVERA LTD | COLCHESTER | A rating |
| NOM NOM ENTERPRISES LTD | Wolverhampton | A rating |
| Nom-IQ Limited | London | A rating |
| Nomad Digital Limited | Derby | A rating |
| Nomad Editing Company Ltd | London | A rating |
| Nomad Foods Europe Limited | WOKING | A rating |
| Nomad Team Limited T/A Black Magic Creations | Wemley | A rating |
| Nomadic Projects Limited | Wilmslow | A rating |
| NOMAN INTERNATIONAL LONDON LTD | Birmingham | A rating |
| Noman Shaukat and Attaf Iftikhar T/A Lock Street Garage | Dewsbury | A rating |
| NOMASE CARE LTD | LONDON | A rating |
| NOMAZ LIMITED | GREAT YARMOUTH | A rating |
| Nomel Limited | London | A rating |
| NOMI MOBILES LIMITED | West Bromwich | A rating |
| NOMI RESTAURANTS LTD | Pwllheli | A rating |
| Nomico Fire and Security Limited | Upminister | A rating |
| Nominet | Oxford | A rating |
| Nomios UK&I Limited | Basingstoke | A rating |
| Nomique Seating Limited | Telford | A rating |
| Nomira Care Ltd | Edgware | A rating |
| NOMISMA SOLUTION LTD | Harrow And Wealdstone | A rating |
| NOMODO LTD | London | A rating |
| NOMOQ LIMITED | Warwick | A rating |
| Nomow Limited | Dove Holes, Buxton | A rating |
| NOMPHARMA LIMITED | Nottingham | A rating |
| Nomura Asset Management UK Limited | London | A rating |
| NOMURA FIDUCIARY RESEARCH & CONSULTING CO., LTD. LONDON BRANCH | London | A rating |
| Nomura International Plc | London | A rating |
| Nomura Real Estate UK Limited | London | A rating |
| Nomura Research Institute Europe Limited | London | A rating |
| NON STOP DROPS LIMITED | NOTTINGHAM | A rating |
| NONG GAOW LIMITED | Uxbridge | A rating |
| NongHyup Bank London Branch | London | A rating |
| NONIUS HOSPITALITY TECHNOLOGY UK LTD | London | A rating |
| NONNA BAKERY CO LTD | London | A rating |
| Nonna Juana LTD | Lincoln | A rating |
| Nonna Tonda LTD | Mitcham | A rating |
| NONNI LIMITED TA THE BELGIAN WAFFLE COMPANY | Huddersfield | A rating |
| Nono Network Ltd. | London | A rating |
| NonStop Consulting Ltd. | London | A rating |
| NONVIA TECHNOLOGY LIMITED | York | A rating |
| Nonwovenn Ltd | Bridgwater | A rating |
| Nonwovens Innovation and Research Institute Limited | LEEDS | A rating |
| Noodle & Beer Ltd | London | A rating |
| NOODLE BRUSH LTD | Milton Keynes | A rating |
| Noodle Inn UK Ltd | Birmingham | A rating |
| Noodle Nova Ltd | London | A rating |
| Noodle'n'Rice | Edinburgh | A rating |
| NOODLEE BROOMHILL LIMITED | Sheffield | A rating |
| NOODLES ABERDEEN LTD | Aberdeen | A rating |
| Noodles Inn Edinburgh Limited | Edinburgh | A rating |
| Noodlesta (Leeds) Limited | Leeds | A rating |
| Nook Architecture and Design Limited | Leeds | A rating |
| Noolabs Trading Limited | Norwich | A rating |
| NOOM HEALTH UK LIMITED | LONDON | A rating |
| Nooma & Co Ltd | London | A rating |
| NOON BROTHERS LIMITED TA Noon Sweets and Savouries | Reading | A rating |
| Noon Dalton, LLC | London | A rating |
| Noon Films Limited | London | A rating |
| Noon Tech Limited | London | A rating |
| Noones News | Warrington | A rating |
| NOOR & JOT PUNIA LTD | Ilford | A rating |
| NOOR ALZAHIA JEWELLERY LIMITED | London | A rating |
| NOOR BAKERS AND SWEETS LIMITED trading as Nafees Bakers and Sweets | Luton | A rating |
| Noor Capital UK Limited | Mayfair | A rating |
| Noor Cash and Carry Limited | Cheadle | A rating |
| NOOR E MADINA TRUST | BLACKBURN | A rating |
| NOOR ELECTRICAL SERVICES LTD | Manchester | A rating |
| Noor Food House Ltd t/a Noor | Edinburgh | A rating |
| Noor Group of Hotels (UK) Limited T/A Colonel Saab | London | A rating |
| Noor Group of Hotels (UK) Ltd T/A Colonel Saab Trafalgar Square | London | A rating |
| NOOR HALAL BUTCHERS | BOLTON | A rating |
| NOOR HALAL BUTCHERS LTD | Bradford | A rating |
| NOOR HALAL FOODS LTD | Tipton | A rating |
| NOOR HARDWARE LIMITED | RICKMANSWORTH | A rating |
| NOOR ISR LIMITED | LONDON | A rating |
| NOOR MINIMARKET | Birmingham | A rating |
| NOOR MOBILES ( LUTON ) LTD | Luton | A rating |
| NOOR SPCIE LTD T/A Saffron Indian Restaurent | Hertfordshire | A rating |
| Noor ul Huda International | London | A rating |