| Thamestone Ltd | London | A rating |
| THAMESVIEW DENTAL SURGERY | BARKING | A rating |
| THAMESWOOD VETERINARY CLINIC | swindon | A rating |
| Thamilarasi Sivaraja T/A Farthing Grove Stores | Milton Keynes | A rating |
| Thamina Solicitors | London | A rating |
| Thams Brothers Ltd | Stoke-on-Trent | A rating |
| Thana Design and Construction Ltd | Morden | A rating |
| Thanandharan Periyannan T/A Stanley Wines | Wigan | A rating |
| Thanaraju Ratnasingam | Dagenham | A rating |
| Thanawala Management Limited | Wembley | A rating |
| THANDI LTD | DERBYSHIRE | A rating |
| Thanet District Council | Margate | A rating |
| Thanet Express Ltd | Marget | A rating |
| Thanet Growers One Limited | Birchington | A rating |
| Thanet Health Community Interest Company | Broadstairs | A rating |
| Thanet Lifestyle Care Limited | Ramsgate | A rating |
| Thanet Property Enterprise Ltd | Ramsgate | A rating |
| Thanetway Subway Limited | Whistable | A rating |
| THANG LONG LTD | London | A rating |
| THANGA SEA FOOD AND GROCERY LTD | Southall | A rating |
| THANGARASA WIMALARASA T/A STUARTS NEWS | KINGSTON UPON HULL | A rating |
| THANH NAM LTD | London | A rating |
| THANH QUANG LTD trading as Vietnam House Restaurant | Edinburgh | A rating |
| Thanks Ben Ltd | London | A rating |
| THANKYOU1TAKE ENTERTAINMENT LTD | London | A rating |
| Thanu Service Station | Bristol | A rating |
| Thanus Retail Ltd | Sevenoaks | A rating |
| Thanusha Asokkaran T/A OM Stop & Go | London | A rating |
| Thanusha Limited | Chester | A rating |
| THANWEER CARE LIMITED | Devon | A rating |
| Thao Hien Ltd T/A Mien Tay | London | A rating |
| THARA FOOD STORE LTD | Cradley Heath | A rating |
| THARA SPICE LTD | PORTSMOUTH | A rating |
| Thara Supermarket | High Wycombe | A rating |
| Tharai Ltd | Surrey | A rating |
| Tharmalingam Mukilavarman T/A Preston Park Wines | Brighton | A rating |
| THARMINI VASANTHAKUMAR T/A GOOSTREY MINI MARKET | Goostrey | A rating |
| THARSA RETAIL LIMITED | Northolt | A rating |
| THARSAN LTD | Potters Bar | A rating |
| Tharsha Food and Wine | High Wycombe | A rating |
| Tharshini Krishnamohan T/AS Caerleon Road Post Office | Newport | A rating |
| Tharshiny Kirupakaran T/A Best One | Milton Keynes | A rating |
| Tharsini Suresh Trading As Staat Mini Market | Liverpool | A rating |
| Tharsiny Saykamalan T/A Fir Street Express | St Helens | A rating |
| Tharstern Limited | Burnley | A rating |
| Tharsus Limited | Blyth | A rating |
| THARU CONVENIENCE STORE LTD | HERTFORDSHIRE | A rating |
| Tharviyan Limited | ORPINGTON | A rating |
| Thash Ltd | SPALDING | A rating |
| Thasi Ltd T/A The British Shop | Langley | A rating |
| That Thing International LTD | London | A rating |
| THATCH INTERIOR AND RENOVATION WORKS LIMITED (14444166) | London | A rating |
| THATCHAM FRY LTD | Thatcham | A rating |
| THATCHAM MOTOR COMPANY LIMITED | Berkshire | A rating |
| Thatcham Research | Thatcham | A rating |
| Thatched House Residential Care Home | Bognor Regis | A rating |
| Thatchers (2017) Ltd t/a Fletchers & Dosani Accountants | Sutton | A rating |
| THATCHERS CIDER COMPANY LIMITED | Winscombe | A rating |
| Thatsup Ltd | London | A rating |
| Thatziki Ltd | Warrington | A rating |
| THAVAKKAL EMPORIUM LIMITED T/A Chickking Edinburgh | Edinburgh | A rating |
| Thavam Express Ltd | Stockton On Tees | A rating |
| THAVATHARSHINY PAKEERATHAN TA ABI'S CONVENIENCE | BIRMINGHAM | A rating |
| Thaveswaran Vakeeshan | Huddersfield | A rating |
| THAYA RESTAURANT LTD | WEMBLEY | A rating |
| Thayalan Thurairajah T/A TKT Express | Tunstall | A rating |
| THAYANI LTD T/A Esso | LONDON | A rating |
| Thayaparan Murugiah T/A Cost Cutter Smorrall Lane | Bedworth | A rating |
| Thayaparan Thanabalasingam T/A Supermarket Local | Warwickshire | A rating |
| THC Care Limited | West Midlands | A rating |
| THCP Advisory Limited | London | A rating |
| THDOP Ltd | Surbiton | A rating |
| The George Hotel(Reading )Ltd | Reading | A rating |
| The [re]DESIGN Group Ltd | London | A rating |
| The & Partners London Limited | London | A rating |
| The 1 Advisers Ltd | London | A rating |
| The 10,000 Interns Foundation | London | A rating |
| The 27 Spices Limited | Luton | A rating |
| THE 29029 LTD | BROADSTONE | A rating |
| The 36 Group Limited | London | A rating |
| The 48 Group Club | London | A rating |
| The 4OC Limited | London | A rating |
| The 606 Club | London | A rating |
| THE 9TH GATE SECURITY LTD | Dewsbury | A rating |
| The A21 Campaign Limited | London | A rating |
| The Abbey College | Malvern | A rating |
| The Abbey School | Reading | A rating |
| The Abbey Sutton Courtenay | Abingdon | A rating |
| The Abbeyfield East London Extra Care Society Limited | Dagenham | A rating |
| The Abbeyfield Kirkcaldy Society | Kirkcaldy | A rating |
| The Abbeyfield Lancashire Extra Care Society | Clitheroe | A rating |
| The Abbeyfield Society | Solihull | A rating |
| The Abrahamic Foundation | Smethwick | A rating |
| The Academy Media Ltd | London | A rating |
| The Academy, Selsey | Selsey | A rating |
| The Acai Girls Ltd | London | A rating |
| The Access Bank UK Ltd | London | A rating |
| The Access to Justice Foundation | London | A rating |
| The Accounting Centre Limited | London | A rating |
| The Accounting Club Ltd | Henley in Arden | A rating |
| The Accounting Company (Leeds) Limited | West Yorkshire | A rating |
| The Accounting Crew Limited | Stratford upon Avon | A rating |
| The Accounting Practice Ltd | Aldershot | A rating |
| The Acorn and Gaunmont House Surgery | London | A rating |
| THE ACROPOLIS BRADFORD LTD | SHIPLEY | A rating |
| The Action Group | Edinburgh | A rating |
| The Active Network (EU) Limited | London | A rating |
| The Activity Superstore Ltd | Saffron Walden | A rating |
| The Adam Practice | Poole | A rating |
| The Adelaide Lodge Care Home LLP | Seaton | A rating |
| The ADHD Advocate Limited | London | A rating |
| The Admirable Crichton | London | A rating |
| THE ADNAN JAFFERY ACADEMY TRUST (T/A One Degree Academy) | Enfield | A rating |
| The Adventure Connection | Alton | A rating |
| The Advocacy Academy | London | A rating |
| The Advocacy Project (Scotland) | GLASGOW | A rating |
| The Advocacy Team LTD | Birmingham | A rating |
| The African Methodist Episcopal Zion Church | Battersea | A rating |
| The African Natural History Research Trust | Leominster | A rating |
| The Aga Khan University (International) in the United Kingdom | London | A rating |
| The Agate Momentum Trust | London | A rating |
| The Agency Global Ltd | Bath | A rating |
| The Agency Partnership Ltd | Great Missenden | A rating |
| The Agora Gynaecology and Fertility Centre Ltd | Brighton | A rating |
| THE AI CORPORATION LIMITED | Woking | A rating |
| The AI Whistleblower Initiative | London | A rating |
| The Aime Group Ltd | Mitcham, | A rating |
| The AIRE Centre | London | A rating |
| THE AKASH INDIAN RESTAURANT | CINDERFORD | A rating |
| The Akshaya Patra Foundation UK | Watford | A rating |
| The Alan Turing Institute | London | A rating |
| The Albany 2001 Company | london | A rating |
| The Albion Knitting Company Limited | London | A rating |
| The Alchemist Bar & Restaurant Limited | Handforth | A rating |
| The Aldenham Foundation | Elstree | A rating |
| The Alexander Group, Inc. | London | A rating |
| The Alexandra Practice | Manchester | A rating |
| THE ALEXANDRIA TRUST | London | A rating |
| THE ALGARVE RESTAURANT | POTTERS BAR HERTS | A rating |
| THE ALI BUSINESS LTD t/a Subway | Glasgow | A rating |
| The Alice Medical Centre | Nottingham | A rating |
| The All Star Property Company Limited t/a Ellis & Co (Islington) | London | A rating |
| The Alliance for Transatlantic Theological Training | Liverpool | A rating |
| The Allum Medical Centre | Leytonstone | A rating |
| The Alma Inn Ltd T/A The Alma Inn | Walsall | A rating |
| The Alney Practice | Gloucester | A rating |
| The Alnwick Garden Trust | Alnwick | A rating |
| THE ALPHABET HOUSE NURSERY SCHOOLS CANBERRA LIMITED | London | A rating |
| The Alternative Investment Management Association Ltd | London | A rating |
| The Alternative Parcels Company Ltd | Cannock | A rating |
| The Alternative Theatre Company | London | A rating |
| The Aluminium Lighting Company Ltd | Port Talbot | A rating |
| The Amateur Swimming Association (Swim England) Ltd | Loughborough | A rating |
| The Amberley St Marks Care Home | Sale | A rating |
| The American School in London | London | A rating |
| The Amwell Care Home Limited | Slough | A rating |
| THE ANCHOR BAR COMPLEX LTD | PORTSTEWART | A rating |
| THE ANCHOR HOTEL (GWBERT) LIMITED | Cardigan | A rating |
| The Anchor Senfriendly Limited T/a T A S | London | A rating |
| The Anchor Services Semi-Independent Living | Basildon | A rating |
| The Anchorage Practice Limited | Southsea | A rating |
| THE ANCOATS VAPE LOUNGE LTD | MANCHESTER | A rating |
| The and the kitchen ltd | London | A rating |
| The Andes Restaurant Ltd | Musselburgh | A rating |
| The Andonia Group LTD | London | A rating |
| The Angel Church | London | A rating |
| The Angel Church (CIO) | London | A rating |
| The Angelou Centre | Newcastle upon Tyne | A rating |
| THE ANGELS HOMES LONDON LIMITED | KINGSBURY | A rating |
| The Anglo-American Charity Limited | London | A rating |
| The Animation Station London LTD T/A Myth Studio | London | A rating |
| The Annan Hotel | Llandudno | A rating |
| The Annex (Films) Limited | London | A rating |
| The Annex Project Ltd | Berkshire | A rating |
| The Apartment Global Limited | London | A rating |
| The Apax Foundation | London | A rating |
| The Apollo Turkish Barbers | Nottingham | A rating |
| THE APOSTOLIC CHURCH (LAWNA) MANCHESTER | Manchester | A rating |
| The Apostolic Faith Mission International Ministries UK | Leicester | A rating |
| The Apple Orchard Trading Company Limited | West Wycombe | A rating |
| The Appleton School | Benfleet | A rating |
| The Appliance Centre Ltd T/A Repair Force | Barking | A rating |
| The Appointment Group (UK) Ltd | London | A rating |
| The Apres Lounge Ltd | Leicester | A rating |
| The Arabic Church in Manchester | Manchester | A rating |
| The Arbib Education Trust | Berkshire | A rating |
| THE ARCADES FISH RESTAURANT LTD | Worthing | A rating |
| THE ARCH BATHROOMS LIMITED | London | A rating |
| THE ARCH COMPANY SERVICES LIMITED | LONDON | A rating |
| The Archdiocese of Armagh | Armagh | A rating |
| The Archer Academy | London | A rating |
| The Ardnamurchan Distillery | Acharacle | A rating |
| The Area Technology Ltd | London | A rating |
| THE ARENA GRILL AND LOUNGE LTD | Kent | A rating |
| The Arkenstone Group LLP | London | A rating |
| THE ARMADA GROUP (HOSPITALITY) LIMITED | East Sussex | A rating |
| The Aroma Indian Takeaway | Winsford | A rating |
| The Art Academy | London | A rating |
| The Art Newspaper Limited | London | A rating |
| The Art School Restaurant | Liverpool | A rating |