| Suda Solutions UK Limited | Wakefield | A rating |
| Sudbury (Suffolk) & District Cricket Club C.I.C. | Sudbury | A rating |
| Sudbury Care Homes limited | Harrow | A rating |
| SUDBURY EDGE LIMITED T/A Jilani | Sudbury | A rating |
| SUDBURY HILL FOOD&WINE | GREENFORD | A rating |
| Sudbury Rugby Union Football Club | Sudbury | A rating |
| Sudem London Ltd | London | A rating |
| Sudera Care Associates Limited | Belper | A rating |
| SUDHARSAN KANTHASAMY T/A NEWTOWN STORES | LUTON | A rating |
| Sudhi IT Services Limited | Borehamwood | A rating |
| SUDI BB LTD | Blackpool | A rating |
| SUDI CROMWELL LTD | Blackpool | A rating |
| SUDI LAYTON LTD | Blackpool | A rating |
| Sudi Management Retail Limited | Blackpool | A rating |
| SUDI VR LTD | Thornton-Cleveleys | A rating |
| Sudipe Kumar Lekhi TA St Pauls Road Post Office | Smethwick | A rating |
| Sudisu Ltd | Tonbridge | A rating |
| Sudo Biosciences Limited | Altrincham | A rating |
| Sue Ryder Care | Colchester | A rating |
| Suena Limited | Thrapston | A rating |
| SUENO BEDS LIMITED | Dewsbury | A rating |
| Suez Advanced Solutions UK Limited | Maidenhead | A rating |
| SUEZ Recycling and Recovery UK Ltd | Maidenhead | A rating |
| Suffah Services limited | Hounslow | A rating |
| Suffolk and North East Essex Integrated Care Board | Ipswich | A rating |
| Suffolk Country Inns Limited | St Ives | A rating |
| Suffolk County Council | Ipswich | A rating |
| SUFFOLK EATERIES LTD | Suffolk | A rating |
| Suffolk GP Federation CIC | Ipswich | A rating |
| Suffolk Mushrooms Limited | Bury St Edmunds | A rating |
| Suffolk Music Therapy Services | Ipswich | A rating |
| Suffolk New College | Ipswich | A rating |
| Suffolk Newmedica Limited | Ipswich | A rating |
| Suffolk Pharma Ltd | Stowmarket | A rating |
| Suffolk Primary Care | Stowmarket | A rating |
| Suffolk Serenity Living Limited | Coventry | A rating |
| SUFFOLK TAKEAWAY LTD | Bury St. Edmunds | A rating |
| Suffolk Valley Ltd T/A Valley Connection Indian | Bury St Edmunds | A rating |
| Suffox Services Ltd | Suffolk | A rating |
| Sufi Halal Meat and Foods LTD | Blackburn | A rating |
| SUFIAN HALAL MEAT LIMITED | Reading | A rating |
| SUFIYAN MARKETING LTD | Preston | A rating |
| SUFSEC SECURITY GROUP LIMITED | London | A rating |
| SUFY GROUP LIMITED | Walsall | A rating |
| Sufyan Delights Ltd | BIRMINGHAM | A rating |
| Sufyan Enterprises Ltd t/a Aldos Fish Bar | Broxburn | A rating |
| SUFYAN'S BOUTIQUE LTD | Birmingham | A rating |
| Sugansa Solutions Limited | Middlesex | A rating |
| Sugantharajani Kurukulasingam T/APremier Connaught Food and Wine | Essex | A rating |
| Sugar Fun Ltd T/A Little Dessert Shop | Roath, Cardiff | A rating |
| Sugar Rush Creative Ltd | Belfast | A rating |
| SUGAR SHACK DESSERTS LTD | London | A rating |
| Sugar Valley Ltd | Bradford | A rating |
| Sugarland Enterprises Ltd T/A Subway | London | A rating |
| SUGESAN UK LTD | Somerset | A rating |
| Sughna Ltd | Wigan | A rating |
| Sugi Food & Wine LTD | Waterloo | A rating |
| Sugilite Therapeutic & Skin Care Services LTD | London | A rating |
| Sugy Dental Ltd | Derby | A rating |
| Suhaanya Limited T/A Holy Spice | Brentford | A rating |
| Suhaanya Ltd T/A The Zero Restaurant | Brentford | A rating |
| SUHAIL ENTERPRISES LTD | London | A rating |
| SUHAIL MOHAMMAD AHMAD T/A BLANTYRE MINI MARKET- SHOP N SAVE | GLASGOW | A rating |
| SuhailK Consultancy Ltd | PRESTON | A rating |
| Suhrad Limited | Bromyard | A rating |
| Suhrad Services Limited T/A Craigweil News | Aldwick | A rating |
| Suimai Ltd | Southampton | A rating |
| SUIR ENGINEERING UK LIMITED | Bristol | A rating |
| Suiso Limited | Rotherham | A rating |
| SuisseTechPartners (UK) Limited | London | A rating |
| Suit Supply UK Limited | London | A rating |
| Suite 07 UK Ltd | Bath | A rating |
| Suite Spot Ventures Ltd | Worthing | A rating |
| Suited Ltd | Oldham | A rating |
| Suits U FTS Limited | Oldbury | A rating |
| Sujan Indian Tigers Polo Private Limited | Henley on Thames | A rating |
| SUJASH LIMITED | slough | A rating |
| Sujatha Limited T/A Subway | Hitchin | A rating |
| SUKAN TRAVEL LTD | Leicester | A rating |
| Sukawatee (Hitchin) Limited | Hitchin | A rating |
| Sukawatee St Albans Limited | St Albans | A rating |
| SUKH AND SHAW LIMITED | Hull | A rating |
| Sukh Express Ltd | Southall | A rating |
| Sukh Sandhu Ltd | Penywaun | A rating |
| SUKH TRANSPORT LTD | WILLENHALL | A rating |
| Sukhi A1 Limited | London | A rating |
| SUKHI CONSTRUCTION LIMITED | Buckingshire | A rating |
| SUKHIS CONSTRUCTION LTD | Leicester | A rating |
| Sukhjit Kaur t/a Culzean Store | Maybole | A rating |
| SUKHMAN HAULAGE LTD | Derby | A rating |
| SUKHMANI DAY CARE LIMITED | ILFORD | A rating |
| Sukhmani Solutions Limited | Croydon | A rating |
| Sukhniwas Logistics Limited | Luton | A rating |
| SUKHO LIMITED | LEEDS | A rating |
| Suki Convenience Ltd | Doncaster | A rating |
| Sukijenan Murugesu T/A CTS Local | West Yorkshire | A rating |
| SUKKAI THAI THERAPY LTD | London | A rating |
| Sukkur Cuisine Ltd | Dewsbury | A rating |
| Sukkuraya Takeaway Ltd T/A TFC Chicken & Pizza | London | A rating |
| Sukoshi Restaurants Ltd | Gillingham | A rating |
| SUKRITI LIMITED T/A THE NEW ROSE | GUILDFORD | A rating |
| Sukyo Mahikari | London | A rating |
| SUL266FOOD LIMITED | Bristol | A rating |
| Sulakhan Singh T/A Singh Stores | North Shields | A rating |
| SULE HUB LIMITED | London | A rating |
| Suleymaniye Community Association | London | A rating |
| Sulis Hospital Bath | Bath | A rating |
| Sullivan & Cromwell LLP | London | A rating |
| Sullivan & Stanley Limited | London | A rating |
| Sullivan & Worcester UK LLP | London | A rating |
| Sullivan Lawford Ltd | New Milton | A rating |
| Sulmara Subsea Limited | Aberdeen | A rating |
| SulNOx Group Plc | London | A rating |
| SULTAAN LTD T/A INTERNATIONAL FOOD TRADING | London | A rating |
| Sultan Balti House Ltd | Bracknell | A rating |
| Sultan Construction Limited | Oldham | A rating |
| SULTAN ET LIMITED | London | A rating |
| SULTAN GRAVESEND LTD | Gravesend | A rating |
| SULTAN INDIAN RESTAURANTS LTD T/a Sultan | Chatham | A rating |
| SULTAN JUICE & MORE LTD | Southall | A rating |
| SULTAN LLOYD SOLICITORS | BIRMINGHAM | A rating |
| SULTAN OF LANCASTER EXPERIENCE LIMITED | LANCASTER | A rating |
| SULTAN RESTAURANT & TAKEAWAY LIMITED T/a Sultan Restaurant | Walsall | A rating |
| SULTAN SUPREME (KESWICK) LTD | Carlisle | A rating |
| SULTAN TASTE LTD | Manchester | A rating |
| SULTAN'S EVENTS SOLUTION LTD | Leicester | A rating |
| SULTANPUR LTD t/a The Three Mughals | Rogerstone | A rating |
| Sultans Cuisine Ltd t/aSultan Of Lancaster Indian Restaurant | Lancaster | A rating |
| Sultanz Cornwall Limited | Cornwall | A rating |
| Sulzer Chemtech (UK) Limited | Stockton on Tees | A rating |
| Sulzer GT Aero Services Limited | Netherley | A rating |
| Sulzer Pumps (UK) Ltd | Leeds | A rating |
| SUM AND SUBSTANCE LTD | London | A rating |
| SUM EX INTERNATIONAL LIMITED | London | A rating |
| Suma Foods Ltd | Leeds | A rating |
| Suma Ltd | Aberdeen | A rating |
| Suma News Limited | Ilford | A rating |
| Suma Software Solutions Limited | Leeds | A rating |
| Suman Bros (Wholesale) Limited | Middlesex | A rating |
| Suman Education International Limited | Manchester | A rating |
| Sumaya Polo Team | Petworth | A rating |
| Sumaya Solutions Limited | Watford | A rating |
| Sumayya Hair & Cosmetics Ltd | Leeds | A rating |
| SUMCO Europe Sales Plc | London | A rating |
| Sumdog Ltd | Edinburgh | A rating |
| SUMEETSSTEP2STEP LIMITED | Slough | A rating |
| SUMEN INTERNATIONAL LIMITED | London | A rating |
| Sumer Accountants NI Ltd | Belfast | A rating |
| Sumer Group Holdings Limited | London | A rating |
| Sumika Polymer Compounds (Europe) Ltd | Havant | A rating |
| Sumika Polymer Compounds (UK) Ltd | Havant | A rating |
| Sumison Limited t/as My Door Handles | Manchester | A rating |
| SUMIT KUMRA LTD | Coventry | A rating |
| Sumitomo (SHI) Cryogenics of Europe Ltd | Basingstoke | A rating |
| Sumitomo Chemical (UK) Ltd | London | A rating |
| Sumitomo Corporation Europe Ltd. | London | A rating |
| SUMITOMO ELECTRIC EUROPE LIMITED | ELSTREE | A rating |
| Sumitomo Electric Finance UK plc | London | A rating |
| Sumitomo Electric Industries, Ltd UK Branch | London | A rating |
| SUMITOMO ELECTRIC U.K. POWER CABLES LTD. | Alness | A rating |
| Sumitomo Electric Wiring Systems (Europe) Ltd | Newcastle under Lyme | A rating |
| Sumitomo Forestry Europe Limited | London | A rating |
| Sumitomo Life Insurance Company | London | A rating |
| Sumitomo Metal Mining Co., Ltd. | London | A rating |
| Sumitomo Mitsui DS Asset Management (UK) Ltd. | London | A rating |
| Sumitomo Mitsui Finance and Leasing Company, Limited, | London | A rating |
| Sumitomo Mitsui Trust Bank Limited | London | A rating |
| Sumitomo Mitsui Trust International Limited | London | A rating |
| Sumjing Ltd T/A Iro Sushi Opington | Orpington | A rating |
| SUMMAIYA'S BOUTIQUE LIMITED T/A PEARLS & PETALS BY SUMMAIYA NABEEL | Manchester | A rating |
| SUMMER DUMPLING LIMITED | London | A rating |
| Summer Fields School Trust Ltd | Oxford | A rating |
| Summer Hill Boarding Kennels Ltd | Nantwich | A rating |
| SUMMER INTERNATIONAL GROUP LTD | High Wycombe | A rating |
| SUMMER ISLES ENTERPRISES LTD | NR ULLAPOOL | A rating |
| SUMMERCARE LIMITED | Ilford | A rating |
| Summerdeep Grocery Limited | Belfast | A rating |
| Summerhall Distillery Ltd | Edinburgh | A rating |
| Summerhayes Care Home Ltd | Crediton | A rating |
| Summerhill School | Kingswinford | A rating |
| Summerhill Services Limited | Birmingham | A rating |
| Summerhouse Limited | Pickering | A rating |
| Summerill & Bishop | London | A rating |
| Summerlands Care Limited | Haywards Heath | A rating |
| Summerley Recruitment LTD | Bognor Regis | A rating |
| SUMMERS FASHION HOUSE LIMITED | London | A rating |
| Summers-Inman Construction & Property Consultants | Newcastle Upon Tyne | A rating |
| Summerston Convenience Store Ltd | Glasgow | A rating |
| Summerswood Primary School | Borehamwood | A rating |
| Summertown Tailoring Ltd | Oxford | A rating |
| Summit (City) Pub Company | London | A rating |
| Summit (Oxford) Limited | Abingdon | A rating |
| Summit Brands Group (Holdings) Limited | London | A rating |
| SUMMIT BRIDGE VENTURES LTD | London | A rating |
| Summit Chiropractic Limited | Watford | A rating |
| Summit Creative Ltd | Alfreton | A rating |
| Summit Foods Ltd | PRESTON | A rating |
| SUMMIT HEALTHCARE LIMITED | London | A rating |
| Summit Law LLP | London | A rating |
| Summit Learning Trust | Birmingham | A rating |