| Matico Dance Studio Ltd | London | A rating |
| Matombo Newby Limited | Ripon | A rating |
| Maven Screen Media Ltd | London | A rating |
| Mc circus productions | Gateshead | A rating |
| MEDIA PRODUCTIONS & SOLUTIONS INT LTD | LONDON | A rating |
| Mega Events/Travel/Music Ltd | London | A rating |
| MEI THEATRICAL LTD | London | A rating |
| Melody Arts Limited | Stanmore | A rating |
| MENIER CHOCOLATE FACTORY | LONDON | A rating |
| MergeXR Studio Limited | Luton | A rating |
| Merman London Ltd | London | A rating |
| metalize | boston | A rating |
| Method Music Limited | London | A rating |
| Michael Grandage Company Ltd | London | A rating |
| Michael Harrison Entertainment | London | A rating |
| Mick Perrin Worldwide Holdings Ltd | Brighton | A rating |
| Middle Ground Theatre Company Ltd | Malvern Wells | A rating |
| Midnight Mango Ltd | Bridgwater | A rating |
| MILAP FESTIVAL TRUST | LIVERPOOL | A rating |
| Milk Management Limited | London | A rating |
| Millennium Circus Productions Ltd | Belfast | A rating |
| Mimbre Limited | London | A rating |
| Minds I Media Ltd | London | A rating |
| Minhaj ul Quran International | London | A rating |
| Mini Title Ltd. | London | A rating |
| Ministry of Hope Ltd | London | A rating |
| Ministry of Sound Group Ltd | London | A rating |
| Minoan Pictures Limited | Southam | A rating |
| Miracle Artists Ltd | Yelverton | A rating |
| MISS ENGLAND LIMITED | Leicester | A rating |
| MJZ LTD | London | A rating |
| ML Film Holdings Ltd | London | A rating |
| MMG BUSINESS LONDON LTD | LONDON | A rating |
| MN2S Management Limited | London | A rating |
| MODE AGENCE LTD | London | A rating |
| Model Media Ltd | OAKHAM | A rating |
| Models One Limited | London | A rating |
| Monarch Studios Limited | Cranleigh | A rating |
| Morphe Cosmetics Ltd | London | A rating |
| Most Production UK Limited | London | A rating |
| MOT Models Limited | Berkhamsted | A rating |
| Mother Artists Live Ltd | LONDON | A rating |
| MOTHERIFY LIMITED | London | A rating |
| MOTIF UK (PTY) LTD | EDINBURGH | A rating |
| MOTION ART FILM LTD | Birmingham | A rating |
| MOTIV ENTERPRISE LTD | London | A rating |
| Motivation Group Ltd | London | A rating |
| Mountview Academy of Theatre Arts | London | A rating |
| MOVING ON MUSIC LTD | BELFAST | A rating |
| Movinmusic Agency | Penryn | A rating |
| MPL Communications Limited | London | A rating |
| MRS ROBINSON MANAGEMENT LTD | LONDON | A rating |
| MUSE THE AGENCY LTD | MANCHESTER | A rating |
| MUSHROOM GROUP OF COMPANIES UK LIMITED | London | A rating |
| Music Beyond Mainstream Ltd | Basingstoke | A rating |
| MUSIC I LIMITED | BIRMINGHAM | A rating |
| Music Minds Limited | Birmingham | A rating |
| MUSTI R MUSTI LTD | London, England | A rating |
| Muza Lab Ltd | London | A rating |
| Muzika Limited | London | A rating |
| MVE MANAGEMENT LIMITED | LONDON | A rating |
| Mythology | Wicken | A rating |
| Named Model Management Limited | London | A rating |
| National Centre for Circus Arts | London | A rating |
| National Dance Company Wales | Cardiff | A rating |
| National Theatre of Scotland | Glasgow | A rating |
| National Theatre Wales | Cardiff | A rating |
| Nava Art Group UK | London | A rating |
| Navratri Festival Association Manchester | Cheadle Hulme | A rating |
| NBCUniversal International Limited | London | A rating |
| NEEMO STUDIO LTD | Chigwell | A rating |
| Neg Earth Lights Ltd | London | A rating |
| Neil O'Brien Entertainment Ltd | London | A rating |
| Neo Productions | Edinburgh | A rating |
| NEP UK Limited | Bracknell | A rating |
| Neptune International Recruitment Services Ltd | Cambridge | A rating |
| NETFLIX STUDIOS UK LIMITED | LONDON | A rating |
| Nettwerk Music (UK) Limited | London | A rating |
| Nevs Model Agency Ltd | London | A rating |
| New Adventures Limited | London | A rating |
| New City Limits Ltd | Romford | A rating |
| New Diorama Theatre | London | A rating |
| New English Ballet Theatre | London | A rating |
| New Land London Limited | London | A rating |
| New Road Theatricals Ltd | London | A rating |
| New School Represents Limited | London | A rating |
| NEW SEASONS PRAYER AND PROPHETIC DECLARATIONS LIMITED | Birmingham | A rating |
| New York Times Limited | LONDON | A rating |
| Newcastle Circus Arts CIC | Newcastle upon Tyne | A rating |
| NewForm Music Limited | London | A rating |
| Next Management London Limited | 5 - 23 Old Street | A rating |
| NEXTSTAGE EVENTS LIMITED | London | A rating |
| Nexus Productions Ltd | London | A rating |
| NFL International Limited | London | A rating |
| NGE Music ltd | Devizes | A rating |
| NIAMOS LTD | MANCHESTER | A rating |
| Nic Doodson Productions Limited | London | A rating |
| Nice Shirt Films Ltd | London | A rating |
| Nick Grace Management Ltd | Richmond | A rating |
| Nicola Harding & Co | London | A rating |
| Nimax Theatres Limited | London | A rating |
| Nofitstate Community Circus Ltd | Cardiff | A rating |
| Noise Films Ltd | London | A rating |
| Nola Studio Ltd | London | A rating |
| Nollypeek Entertainment and Partners Limited | London | A rating |
| Nomad Editing Company Ltd | London | A rating |
| North Music Trust | Gateshead | A rating |
| NORTHERN BALLET | LEEDS | A rating |
| Northern Ireland Opera | Belfast | A rating |
| Northern School of Contemporary Dance | Leeds | A rating |
| NorthHouse | London | A rating |
| Northsix Europe Limited | London | A rating |
| Not Actual Size Ltd | London | A rating |
| Nottingham Playhouse Trust Ltd | Nottingham | A rating |
| Nottingham Studios Ltd. | Nottingham | A rating |
| NU BOYANA UK LTD | LONDON | A rating |
| OAK INITIATIVE UK CIC | City of Bradford | A rating |
| OB Media Partners Limited | London | A rating |
| Object and Animal Ltd | London | A rating |
| Ocean Films Ltd | Godstone | A rating |
| Ockham's Razor | London | A rating |
| October Gallery Trust | London | A rating |
| Octopus Inc Ltd | London | A rating |
| Oddball Motion Pictures (UK) Limited | United Kingdom | A rating |
| Off The Kerb Productions Ltd | London | A rating |
| Ogilvy & Mathers Group (Holdings) Limited | London | A rating |
| Old Empire Ltd | Great Wakering | A rating |
| OLGA TV | London | A rating |
| Oliver Marketing | London | A rating |
| OLYMPIAA LTD | LEICESTER | A rating |
| Onatti Productions Ltd | Warwick | A rating |
| One Fiinix Live Limited | London | A rating |
| One House Artists Limited | London | A rating |
| One of Us Ltd | London | A rating |
| One of Us Ltd. | London | A rating |
| One Represents Ltd | LONDON | A rating |
| Only Helix Ltd | London | A rating |
| Openwide Coastal ltd | Cromer | A rating |
| Opera Holland Park | London | A rating |
| Opera North Ltd | Leeds | A rating |
| Opera Rara | London | A rating |
| Orange Tree Trust | London | A rating |
| Orchestra of the Age of Enlightenment | London | A rating |
| Orchid Am Limited | Manchester | A rating |
| ORDEN Ltd | London | A rating |
| Osterley Park Group Ltd | Isleworth | A rating |
| Oundle School | Peterborough | A rating |
| Our Motive Ltd | Margate | A rating |
| Outpost VFX Limited | Bournemouth | A rating |
| Ovalhouse Theatre Ltd trading as Brixton House | London SW9 8GL | A rating |
| Oxford Philharmonic Orchestra Productions | London | A rating |
| Oxygene Ltd | Wolverhampton | A rating |
| OZ ORGANISATIONS LTD | London | A rating |
| Pa Pa Joe's 100 Ltd | SOUTHALL | A rating |
| Palan Foundation | London | A rating |
| Palmglen Ltd T/A Ronnie Scotts Club | London | A rating |
| Pan African Art Society | London | A rating |
| Pandit Ram Sahai Sangit Vidyalaya | SOUTHALL | A rating |
| Pangli Productions Limited | Bilston | A rating |
| PANJ TARA MOTION PICTURES LTD | Wolverhampton | A rating |
| Panjab Radio Ltd | Hayes | A rating |
| Parallel Consulting Global Ltd. | London | A rating |
| Parallel Lines Promotions Limited | London | A rating |
| Park Village Ltd | London | A rating |
| Parrabbola | London | A rating |
| Partizan Limited | London | A rating |
| Passion Pictures Limited | London | A rating |
| Password Productions Limited | London | A rating |
| Patch Plays | Chiswick | A rating |
| Paul Virides Productions Ltd | Barnet | A rating |
| Paulo Ribeiro Management Ltd | London | A rating |
| Pavelka Limited | Dover | A rating |
| PB 2021 Limited (T/A Plymouth City Patriots) | Plymouth | A rating |
| PBS927 LIVE CREATIVE WORK SPONSOR | Sheffield | A rating |
| PDY Systems Ltd | Hemel Hempstead | A rating |
| PEACE & HARMONY BURY CIC | Coventry, | A rating |
| Peace Nation Ltd TA The Frog | Alcester | A rating |
| Peacock Visual Arts Limited | Aberdeen | A rating |
| PEARL ADVERTISING UK LIMITED | London | A rating |
| Peepul Centre | LEICESTER | A rating |
| Pembroke Media Group Limited | London | A rating |
| People's Palace Projects | London | A rating |
| PERFECT EVENT LALHAVELI LTD T/A LAL Haveli Banquting Hall | Walsall | A rating |
| Perfect Harmony Productions Ltd | Croydon | A rating |
| Personal Computer Music Ltd | London | A rating |
| Perspective Management Ltd | London | A rating |
| Phenyo Russell Scenery Limited | ILFORD | A rating |
| Phil McIntyre Entertainment | London | A rating |
| Philharmonia Limited | London | A rating |
| Phoenix Biz Solutions Limited | Cardiff | A rating |
| Phoenix Dance Theatre | Leeds | A rating |
| PHOENIX TALENT MANAGEMENT LIMITED | LONDON | A rating |
| PHOTO STORIES LTD | Wirral | A rating |
| Pictures Management Ltd | Borehamwood | A rating |
| Picturthat Ltd | London | A rating |
| Pinball London Ltd | London | A rating |
| Pinders Circus Ltd | Oakham | A rating |
| PINETREE STUDIOS LTD | London | A rating |
| Pioneer Theatres Ltd t/a Theatre Royal Stratford East | London | A rating |
| Piu Entertainment Ltd | London | A rating |