| Boyarde Limited | Milton Keynes | A rating |
| Bradford 2025 | Bradford | A rating |
| Brass for Africa | WOKINGHAM | A rating |
| Breeze Connect Ltd. | Nottingham | A rating |
| Brian Moretta | Edinburgh | A rating |
| Bridge Models Ltd | London | A rating |
| Brighter Star Services Ltd | Southall, England, | A rating |
| Brighton Dome & Festival Ltd | Brighton | A rating |
| Brims Group Limited | Birmingham | A rating |
| Bristol Music Trust | Bristol | A rating |
| Bristol Old Vic & Theatre Royal Trust Limited | Bristol | A rating |
| Britannia Row Productions Limited | Weybridge | A rating |
| British Bluegrass Music Association | Tamworth | A rating |
| Brookemead Associates Ltd | London | A rating |
| Bryanston School Incorporated | Blandford | A rating |
| Bryant Artists Ltd | London | A rating |
| Bubble Television Group Ltd | London | A rating |
| Bulldozer Media Ltd. | London | A rating |
| Bullion Productions | London | A rating |
| Burberry Limited | London | A rating |
| Butlins Skyline Ltd | Hemel Hempstead | A rating |
| Buxton Arts Festival | Buxton | A rating |
| C De Vision Productions Ltd | Birmingham | A rating |
| C. BECHSTEIN HALL LIMITED | London | A rating |
| Cabin Edit Limited | London | A rating |
| Cafe OTO Limited | London | A rating |
| CALIBAR EVENTS LIMITED | Slough | A rating |
| Cambridge Arts Theatre Trust Ltd | Cambridge | A rating |
| Camden Arts Centre | London | A rating |
| Cameron Mackintosh Ltd | London | A rating |
| CANADA London Ltd | London | A rating |
| Candoco Dance Company | London | A rating |
| Canterbury Cathedral | Canterbury | A rating |
| Canterbury Theatre & Festival Trust | Canterbury | A rating |
| Capital Theatres | Edinburgh | A rating |
| Caprice Holdings Ltd | London | A rating |
| Capsule Events Ltd | Birmingham | A rating |
| Cardiff University | Cardiff | A rating |
| Caren Ltd | High Wycombe | A rating |
| Carnival Plc | Southampton | A rating |
| Caroline Dunkley DJ and Artist Management | London | A rating |
| Carrick Music Agency | Comrie | A rating |
| Cavern City Tours Ltd | Liverpool | A rating |
| Caviar London Limited | London | A rating |
| CCA Galleries Limited | Tilford | A rating |
| CCC Jehovah Emmanuel Parish | Manchester | A rating |
| CD Cheerelading CIC | COVENTRY | A rating |
| Celestial Church Of Christ. Salvation Ark Parish | MANCHESTER | A rating |
| Celtic Manor Resort | Newport | A rating |
| Centre for Contemporary Arts | Glasgow | A rating |
| CENTRE FOR TURKEY STUDIES & DEVELOPMENT | London | A rating |
| CENTRE OCEAN STREAM THEATRE COMPANY | SOUTHAMPTON | A rating |
| Centre of Wellbeing, Training & Culture | Oldham | A rating |
| Ceolas Uibhist Ltd | Isle of South Uist | A rating |
| Chai Wallahs Events Ltd | BRISTOL | A rating |
| Chamber Orchestra of Europe | London | A rating |
| Chambers Management | London | A rating |
| CHAN PHOTOGRAPHIC LIMITED | LONDON | A rating |
| Chapter (Cardiff) Ltd | Cardiff | A rating |
| CHAPTER MANAGEMENT LTD | LONDON | A rating |
| Charades Theatre Company | Edinburgh | A rating |
| charles chipperfield & Associates | albury | A rating |
| Charlotte Desorgher T/A Hipsinc | East Grinstead | A rating |
| Cheek by Jowl Theatre Company Limited | London | A rating |
| CHEPS STUDIO LIMITED | Manchester | A rating |
| Chetham's School of Music | Manchester | A rating |
| Chichester Festival Theatre | Chichester | A rating |
| CHIMES INTERNATIONAL ENTERTAINMENTS LTD | GLASGOW | A rating |
| Chinese State Circus Limited | Congleton | A rating |
| Chisenhale Gallery Limited | London | A rating |
| Chocolate Films Ltd | London | A rating |
| Chris Harper Productions | London | A rating |
| Christ Apostolic Church Canaanland (Love Embassy) | Dagenham | A rating |
| CHRIST MIRACLE CHURCH MISSION BOURNEMOUTH ( VICTORY ASSEMBLY) | Bournemouth | A rating |
| Christa Phelps Artist Management | LONDON | A rating |
| Chromatic Productions Limited | Teddington | A rating |
| Circolombia Ltd | London | A rating |
| Circus Ginnett | Tilney St Lawrance | A rating |
| Circus of Horrors | London | A rating |
| Circus of Horrors ltd | London | A rating |
| CIRCUS RECORDS LIMITED | LONDON | A rating |
| Circus World Entertainment Ltd | Wickham | A rating |
| Circusful | Belfast | A rating |
| City of Birmingham Symphony Orchestra | Birmingham | A rating |
| City of London Corporation | London | A rating |
| City of London Corporation (Barbican Centre) | LONDON | A rating |
| CLARENDON STUDIO LTD | Birmingham | A rating |
| Classical Events Ltd | London | A rating |
| Close House Limited | Hatch Beauchamp | A rating |
| Cloud Imperium Games Limited | Manchester | A rating |
| CME ARTIST SERVICES LIMITED | LANCASTER | A rating |
| CNBC (UK) Limited | London | A rating |
| CNI NEWS NETWORK LTD | Birmingham | A rating |
| CNL | Nottingham | A rating |
| Cole Music Productions (Uk) Ltd | Liverpool | A rating |
| Colour Sound Experiment Ltd | London | A rating |
| Com. U. L. Limited trading as Commercials Unlimited | London | A rating |
| Common People Films | London | A rating |
| CommunityDevelopment Horizons Ltd | West Bromwich | A rating |
| Como No | London | A rating |
| Company 3 Studios UK Ltd | London | A rating |
| Company Chameleon Ltd | Manchester | A rating |
| Complete Camera Company Ltd | Warwick | A rating |
| Concrete Rep. Ltd | London | A rating |
| Contact | Manchester | A rating |
| Continental Drifts Ltd | London | A rating |
| CORSICA STUDIOS | LONDON | A rating |
| Coulier Creatures FX Ltd | Redbourn | A rating |
| COVENANT RESTORATION CHAPEL INTERNATIONAL | READING | A rating |
| Coventry Asian Sports Federation | Coventry | A rating |
| Cowley, Knox & Guy | London | A rating |
| Coya (Restaurant) Limited | London | A rating |
| CRAWFORD MARRIOTT ASSOCIATES LTD | London | A rating |
| CREATE ADVERTISING LIMITED | London | A rating |
| Creation Fest Limited | Wadebridge | A rating |
| Creative Artists Agency UK Ltd | London | A rating |
| Creative Blood Limited | London | A rating |
| Creative Content Works | Manchester | A rating |
| Creators Inc Limited | London | A rating |
| Crossroads Live UK Ltd | London | A rating |
| Crossroads Pantomimes Ltd. | London | A rating |
| Crying Out Loud | Portsmouth | A rating |
| Cryptic Glasgow Ltd | Glasgow | A rating |
| Cultural Awareness Group CIC | London | A rating |
| Culture and Sport Glasgow | Glasgow | A rating |
| Cwmni Da Cyf | Caernarfon | A rating |
| Cwmni Theatr Arad Goch | Aberystwyth | A rating |
| Cwmni'r Fran Wen | Bangor | A rating |
| D.M.F. MUSIC LTD | Exeter | A rating |
| D1LON LIMITED | Winchester | A rating |
| D6 Culture Ltd | Newcastle upon Tyne | A rating |
| Damnably | London | A rating |
| Dance Consortium Limited | Birmingham | A rating |
| Dance4 | Nottingham | A rating |
| DanceEast | Ipswich | A rating |
| Darbar Arts Culture Heritage Trust | Hayes | A rating |
| Dark Energy Films Ltd | London | A rating |
| Darling Creative Limited | London | A rating |
| Dash Arts | London | A rating |
| DAVID ADKIN LIMITED | BANBURY | A rating |
| David Ian Productions Ltd | London | A rating |
| David Sims Photography Limited | London | A rating |
| DAY-MER TURKISH & KURDISH COMMUNITY CENTRE | HACKNEY | A rating |
| DD Events Management Limited | London | A rating |
| DebbieJones-Mgmt | London | A rating |
| Deen Consult Services Ltd | London | A rating |
| Defected Records Limited | London | A rating |
| Delfina Foundation | London | A rating |
| Deluxe 142 Limited | London | A rating |
| Deluxe Manna Ltd | London | A rating |
| Deplidge International Ltd. | Lytham St Annes | A rating |
| Deri Promotions | Leeds | A rating |
| DESI PRODUCTION UK LTD | Hayes | A rating |
| Destiny Africa Community | Coventry | A rating |
| Deus Ex Machina Productions | London | A rating |
| Deveron Projects | Huntly | A rating |
| Devon Film Logistics Limited | Bideford | A rating |
| DF Concerts Ltd | Glasgow | A rating |
| DIAL GLOBAL LTD | LEAMINGTON SPA | A rating |
| Digital Arts Studios | Belfast | A rating |
| Digital Icon Agency Ltd | Derby | A rating |
| Discovery Communications Europe Limited | London | A rating |
| Distortion Creative Group Limited | Bristol | A rating |
| DLTV LIMITED | TAUNTON | A rating |
| DM GOLD LIMITED | MANCHESTER | B rating |
| DM Studios Limited | London | A rating |
| DO IT CREATIVE LIMITED | LONDON | A rating |
| DoBeDo Represents Limited | London | A rating |
| Dog Ears Limited | Derry | A rating |
| Domino Recording Company Ltd. | London | A rating |
| Donmar Warehouse Projects Ltd | London | A rating |
| Double Negative Limited | London | A rating |
| Dreams Unlimited Events Ltd | London | A rating |
| dreamthinkspeak Ltd | BRIGHTON | A rating |
| DREAMY DAISIES LIMITED | London | A rating |
| Driver61 LTD | Leamington Spa | A rating |
| Drool Productions Limited | London | A rating |
| Dubai Equestrian Club UK Representative Office | Newmarket | A rating |
| Duck Soup Films Ltd | Leeds | A rating |
| Dulwich Picture Gallery | LONDON | A rating |
| Dundee City Council | DUNDEE | A rating |
| Dundee Contemporary Arts | Dundee | A rating |
| Dundee Rep and Scottish Dance Theatre Limited | DUNDEE | A rating |
| Duo Model Mgmt | London | A rating |
| Dynamic Wrestling Ltd | Waterloovile | A rating |
| Earlsworth | Birmingham | A rating |
| Earth Agency Ltd | London | A rating |
| East Bridge Facilities Ltd | London | A rating |
| East Street Arts | Leeds | A rating |
| Easter Circus Ltd | Paddock Wood | A rating |
| Eaton House Studio Ltd | Tiptree | A rating |
| Eazyl ltd t/a Cosimo | Birmingham | A rating |
| EBONY AMBASSADORS CIC | Birmingham | A rating |
| Echelon Artists Ltd | Salford | A rating |
| Edge of Arabia | London | A rating |
| Edinburgh International Book Festival | Edinburgh | A rating |
| Edinburgh International Festival Society | Edinburgh | A rating |
| Editions Penguin Cafe Ltd | Leatherhead | A rating |
| EDK Events LTD | Newham | A rating |
| EDPX LTD | Epsom | A rating |