| THE.TEAM: SME MUSIC LIMITED | London | A rating |
| Theatr Clwyd Trust Ltd | Mold | A rating |
| THEATR MWLDAN | CARDIGAN | A rating |
| THEATRE DE COMPLICITE EDUCATION LTD | Gloucester | A rating |
| Theatre Royal (Plymouth) Limited | Plymouth | A rating |
| Theatre Royal Bath Limited | Bath | A rating |
| TheBigC Company Ltd | Manchester | A rating |
| Thind Music UK Ltd. | Hounslow | A rating |
| Think Digital Group Ltd | London | A rating |
| Three Six Zero GRP Limited | London | A rating |
| THREE STAR SOLUTION LIMITED | Grays | A rating |
| Thursford Collection | Fakenham | A rating |
| TIAN YU ASSOCIATION INTERNATIONAL | CAMBRIDGE | A rating |
| Tiger Aspect Holdings Ltd | London | A rating |
| TIN ANGEL PRODUCTIONS LTD | Coventry | A rating |
| Tin Roof | Dundee | A rating |
| Tip Top Productions Ltd | Blackpool | A rating |
| Titanium Model Management Ltd | London | A rating |
| TJLC Ltd | London | A rating |
| TMR EVENTS LTD | WEMBLEY | A rating |
| TNJ Circus Ltd | Macclesfield | A rating |
| TodayTix, Ltd | London | A rating |
| Tom and Laci Productions Limited | Blackpool | A rating |
| Tonelist Productions LLP | London | A rating |
| TONY DENTON PROMOTIONS LTD | LONDON | A rating |
| Tony Hopkins Entertainments Ltd | London | A rating |
| TOOTING SERVICES LTD | London | A rating |
| Toucan Talent Agency Ltd | London | A rating |
| Trafalgar Theatre Productions Limited | London | A rating |
| Transform Theatre Projects | Leeds | A rating |
| Transgressive Events Ltd | London | A rating |
| Transmission Gallery | Glasgow | A rating |
| Transport for London | London | A rating |
| Triangle Arts Trust | London | A rating |
| Tricolour Events Ltd | Stalybridge | A rating |
| Trim Editing LLP | London | A rating |
| Trinity Baptist Church | London | A rating |
| Trinity Chapel | Stratford | A rating |
| Trinity Laban | London | A rating |
| Triple A Entertainment Group Ltd | London | A rating |
| Triple Threat Mgmt | Exeter | A rating |
| Triptik Management Ltd | London | A rating |
| Triumphus Ltd | London | A rating |
| Troubadour Properties Limited | London | A rating |
| TS.P+ Ltd | London | A rating |
| Tuffnell Glass | Rudston | A rating |
| Tulleys Growing Inspired Limited | Crawley | A rating |
| Two Circles Limited | London | A rating |
| Twycross Zoo - East Midland Zoological Society Ltd | Atherstone | A rating |
| Uig Pottery Ltd | Uig | A rating |
| UK & IRELAND 2028 LIMITED | London | A rating |
| UK ANGEL RECORDS ENTERTAINMENT LIMITED | Slough | A rating |
| UK CURRICULUM AND ACCREDITATION BODY (UKCAB) | Birmingham | A rating |
| UK EVENTS LTD | Hounslow | A rating |
| UK Productions Ltd | Gomshall | A rating |
| UK Qawwali Concerts LTD | Bradford | A rating |
| UKTV MEDIA LIMITED | LONDON | A rating |
| ULFAT'S VENUES LIMITED | BIRMINGHAM | A rating |
| Ulster American Folk Park | Omagh | A rating |
| Ulster Orchestra Society Ltd | Belfast | A rating |
| Underbelly Ltd | London | A rating |
| UNEEK EVENTS UK LTD | Coventry | A rating |
| Unigram Media Limited | London | A rating |
| Union Visual Effects Limited | London | A rating |
| Unique Gravity | Chesterfield | A rating |
| United Jewish Israel Appeal | London | A rating |
| United Talent Agency UK Operations Ltd T/A United Talent Agency | London | A rating |
| Universal Music Operations Ltd. | London | A rating |
| Universal Music Publishing Ltd. | London | A rating |
| Universal Productions Limited | Gateshead | A rating |
| University of Bath | Bath | A rating |
| University of Bradford | Bradford | A rating |
| University of Bristol | Bristol | A rating |
| University of Derby | Derby | A rating |
| University of Essex | Colchester | A rating |
| University of Exeter | Exeter | A rating |
| University of Hull | Hull | A rating |
| University of Leeds(Human Resources) | Leeds | A rating |
| University of Nottingham | Nottingham | A rating |
| University of South Wales | Pontypridd | A rating |
| University of Southampton | Southampton | A rating |
| University of Sunderland | Sunderland | A rating |
| University of the Arts London | London | A rating |
| University of Warwick | Coventry | A rating |
| University of Wolverhampton | Wolverhampton | A rating |
| University of York | York | A rating |
| UNTOLD STUDIOS LIMITED | LONDON | A rating |
| Urban Circle Newport | NEWPORT | A rating |
| Valid Productions Limited | Haywards Heath | A rating |
| VANARA LTD | Croydon | A rating |
| Vanishing Point Theatre Company | Glasgow | A rating |
| Vialto Partners | London | A rating |
| Vice UK Limited | London | A rating |
| Victoria and Albert Museum | London | A rating |
| Victoria Rowsell Artist Management | London | A rating |
| Vigo Gallery | London | A rating |
| Vilee Media Services Ltd | London | A rating |
| Vincent Dance Theatre | Brighton | A rating |
| VISIONARY MARKETING LIMITED | Birmingham | A rating |
| Visual Artists Limited | London | A rating |
| Visual Arts in Rural Communities | Hexham | A rating |
| VITA AND EAGLES EVENTS LTD | LONDON | A rating |
| Viva La Visa Limited | Stowmarket | A rating |
| Viva Model Management London Ltd | London | A rating |
| Vivat Music Foundation | Alpheton | A rating |
| VM Film Productions Ltd | Coventry | A rating |
| Voice Squad Ltd | London | A rating |
| Void Art Centre | Londorderry | A rating |
| Vortex Jazz Club | London | A rating |
| W Mgmt Ltd | London | A rating |
| W Model Management Ltd | Shoreditch | A rating |
| W-Ink Studio Limited | Islington | A rating |
| W4 Films Ltd | Chiswick | A rating |
| Wales Millennium Centre | Cardiff | A rating |
| Wall of Death Ltd | Ely | A rating |
| Walled City Music Trust | Londonderry | A rating |
| Warm Limited | Poole | A rating |
| Warner Bros Television Production UK Limited | London | A rating |
| Warner Bros. Productions Limited | London | A rating |
| Warner Music (UK) Ltd | London | A rating |
| Warp Records Ltd | London | A rating |
| Watershed Arts Trust Limited | Bristol | A rating |
| We Are Seventeen Limited | London | A rating |
| We Folk Ltd | London | A rating |
| We Organise Chaos Limited | Macclesfield | A rating |
| Wells Cathedral School | Wells | A rating |
| Welsh National Opera Limited | Cardiff | A rating |
| Werkfolio Limited | London | A rating |
| Wessex Grove Limited | London | A rating |
| West Dean College - The Edward James Foundation Ltd | CHICHESTER | A rating |
| West Green House Opera Ltd | Alton | A rating |
| Western Films Ltd | Southampton | A rating |
| What's On Tickets Ltd | Congleton | A rating |
| WHISPER FILMS LIMITED | Surrey | A rating |
| Whisper Films Ltd | London | A rating |
| Whitebottom Farm Estates Ltd | Stockport | A rating |
| Wieden & Kennedy UK Ltd | London | A rating |
| Wild Yak Limited | London | A rating |
| Wildpark Entertainment Ltd | London | A rating |
| Wildseed Studios Limited | Bristol | A rating |
| Wilhelmina London Limited | London | A rating |
| William Grant & Sons Ltd | Dufftown | A rating |
| William Hicks t/a SOUL SATISFACTION | St Annes-on-the-Sea | A rating |
| William Morris Endeavor Entertainment (U.K.) Ltd | LONDON | A rating |
| Wilton's Music Hall | London | A rating |
| Wiltshire Creative | Salisbury | A rating |
| Wincraft Music Ltd | Cheltenham | A rating |
| Wise Children Limited | Temple Campus, Lower Approach Road | A rating |
| WOMAD LTD | Box | A rating |
| Wonderland Productions (NI) Limited | Belfast | A rating |
| Woolf Comedy Productions Limited | London | A rating |
| World of Clowns Ltd | Swindon | A rating |
| World Wrestling Entertainment (International) Limited | London | A rating |
| WORLDS BIGGEST PRODUCTIONS | GERRARDS CROSS | A rating |
| Worldwide Production Agency | London | A rating |
| Writers' Centre Norwich | Norwich | A rating |
| WYSING ARTS CHARITY | CAMBRIDGE | A rating |
| X-R Touring LLP | London | A rating |
| XDIRECTN | London | A rating |
| XZONE MEDIA LTD | Hull | A rating |
| Yamaha Music Europe GmbH (UK) | Milton Keynes | A rating |
| Yaram Arts CIC | London | A rating |
| Yearbook Machine Limited | London | A rating |
| Yes / No Productions Ltd | Hove | A rating |
| YMU Group Services Limited | London | A rating |
| Yogscast Limited | Bristol | A rating |
| York Citizen's Theatre Trust Limited | York | A rating |
| You Are Here Productions Ltd | London | A rating |
| Young Classical Artists Trust | London | A rating |
| Young Films Ltd | Isle of Skye | A rating |
| Young Vic Theatre | London | A rating |
| Youth League (UK) Ltd | Dagenham | A rating |
| Youth Model Management Ltd. | London | A rating |
| Zimsculpt | Windsor | A rating |
| Zionhome Film Production Limited | Edinburgh | A rating |
| Zuffa UK Limited | London | A rating |