| Scott Veterinary Clinic Limited | Bedford | A rating |
| Scott.co (Glasgow) Ltd | Coatbridge | A rating |
| SCOTT+SCOTT UK LLP | London | A rating |
| Scottish Action for Mental Health | Glasgow | A rating |
| Scottish Association for Marine Science | Oban | A rating |
| Scottish Association of Citizens Advice Bureaux | Edinburgh | A rating |
| Scottish Autism | Alloa | A rating |
| Scottish Ballet | Glasgow | A rating |
| Scottish Borders Council | Melrose | A rating |
| Scottish Canoe Association | Pitlochry | A rating |
| Scottish Chamber Orchestra | EDINBURGH | A rating |
| Scottish Civic Trust | Glasgow | A rating |
| Scottish Enterprise | Glasgow | A rating |
| Scottish Environment Protection Agency | Holytown | A rating |
| Scottish Equity Partners LLP | Glasgow | A rating |
| Scottish Families Affected by Alcohol and Drugs | Glasgow | A rating |
| Scottish Fine Soaps Ltd | Carronshore | A rating |
| Scottish Football Association Ltd. (The) | Glasgow | A rating |
| Scottish Funding Council | Edinburgh | A rating |
| Scottish Government | Edinburgh | A rating |
| Scottish Islamic & Cultural Centre | Dundee | A rating |
| Scottish Leather Group Operations Limited | Bridge Of Weir | A rating |
| Scottish Legal Complaints Commission | Edinburgh | A rating |
| Scottish Mediation | Edinburgh | A rating |
| Scottish National Party Westminster Group | London | A rating |
| Scottish Network Churches | Dunfermline | A rating |
| Scottish Opera | Glasgow | A rating |
| Scottish Qualifications Authority | Midlothian | A rating |
| Scottish Refugee Council | Glasgow | A rating |
| Scottish Renewables Forum Limited | Glasgow | A rating |
| SCOTTISH RUGBY LIMITED | Edinburghq | A rating |
| Scottish Rugby Union Limited | Edinburgh | A rating |
| Scottish Sea Farms Ltd | London | A rating |
| Scottish Squash Limited | Edinburgh | A rating |
| Scottish Target Shooting | Edinburgh | A rating |
| Scottish Volleyball | Edinburgh | A rating |
| Scottish Water | Glasgow | A rating |
| Scottish Widows Schroder Personal Wealth Limited | Leeds | A rating |
| Scottish Wildlife Trust | Edinburgh | A rating |
| Scottish Woodlands Ltd | Edinburgh | A rating |
| Scottish Youth Hostels Association | Stirling | A rating |
| ScottishPower Limited | Glasgow | A rating |
| SCOTTS NEWS AGENCY | LONDON | A rating |
| Scotts Newsagents | Edinburgh | A rating |
| Scotts of Thrapston Ltd | Thrapston | A rating |
| SCP Group Advisory Limited | London | A rating |
| SCP Partners UK Limited | London | A rating |
| SCP Snacks Ltd T/A Biltong Boss | London | A rating |
| SCR London Limited | London | A rating |
| Scrapbusters Ltd | Chorley | A rating |
| Scraye Technologies Ltd. | London | A rating |
| SCREED AND THAT LIMITED | Kingswinford | A rating |
| Screen Burn Interactive Ltd | Glasgow | A rating |
| Screen Europe (UK) | Kings Langley | A rating |
| Screen Talent Agency Limited | London | A rating |
| ScreenCloud Limited | London | A rating |
| SCREENIN3D LIMITED | Glasgow | A rating |
| Screening Eagle UK Limited | Cambridge | A rating |
| Screenloop Ltd | Canterbury | A rating |
| SCREENS4LESS LIMITED | Braintree, | A rating |
| SCREENS4US LIMITED | London | A rating |
| Scribbles Early Learning Centre Ltd | South Harrow | A rating |
| Scribe Labs Limited | London | A rating |
| SCRIBE SPORTS LIMITED | NEWTOWNABBEY | A rating |
| Scriberia | LONDON | A rating |
| Scriptoria Ltd | London | A rating |
| Scriptpad Limited | Milton Keynes | A rating |
| Scripture Union Scotland | Glasgow | A rating |
| Scrivens Limited | Birmingham | A rating |
| Scroll Finance Limited | London | A rating |
| Scrub AI Holdings Ltd | London | A rating |
| Scrubs Contract Services Ltd | Chelmsford | A rating |
| Scruffy Dog Productions | Birmingham | A rating |
| Scrum Inc UK Limited | London | A rating |
| Scrumconnect | staines | A rating |
| SCRUMLY LIMITED | London | A rating |
| SCRUTOBYTE UK LIMITED | Brentford | A rating |
| SCS BUILDING AUTOMATION LTD | London | A rating |
| SCS CARE LIMITED | Birmingham | A rating |
| SCSK EUROPE LTD. | London | A rating |
| SCUBE LIMITED | London | A rating |
| Scuderia Car Parts Ltd | Egham | A rating |
| SCUDERIA PRESTIGE AUTOMOBILE LTD | Surrey | A rating |
| scuff wheels | Hertfordshire | A rating |
| SCUFFS (UK) LIMITED | Bristol | A rating |
| Sculpt and Sweat Studio LTD | Royal Victoria | A rating |
| Sculpted by Aimee (UK) Ltd | London | A rating |
| Sculptform LTD | Clerkenwell | A rating |
| Sculptivate ltd | London | A rating |
| Sculptor Capital Management Europe Limited | London | A rating |
| Scunthorpe Raceway Ltd | SCUNTHORPE | A rating |
| Scunthorpe Specsavers Hearcare Limited | Scunthorpe | A rating |
| Scunthorpe Town Cricket Club | Scunthorpe | A rating |
| Scurr Architects Ltd | Harpenden | A rating |
| Scutari Construction Ltd | London | A rating |
| Scuzi Limited T/A Storia | Maidenhead | A rating |
| SCX Special projects Ltd | Sheffield | A rating |
| Scymaris Ltd | BRIXHAM | A rating |
| SD COMMERCIAL LTD | London | A rating |
| SD FOOD & WINE LTD | LONDON | A rating |
| SD FOOD AND WINE | Lewisham | A rating |
| SD Games Ltd | Nottingham | A rating |
| SD Guthrie International Liverpool Refinery Limited | Liverpool | A rating |
| SD Home Care Ltd | Wednesbury | A rating |
| SD House Ltd | London | A rating |
| SD MARKET LIMITED | Dudley | A rating |
| SD TRANSLATE UK LIMITED | Leicester | A rating |
| SD Worx UK Limited | Salford | A rating |
| SD&E Limited | London | A rating |
| SDA Architecture Limited | Prenton | A rating |
| SDA Dental Studio | Westferry | A rating |
| SDA Global Ltd | Nottingham | A rating |
| SDC Builders Ltd | Bedford | A rating |
| SDC Capital Partners Limited | London | A rating |
| SDC Group Limited | Glasgow | A rating |
| SDC HEALTHCARE LTD | WATFORD | A rating |
| SDC Trailers Limited | Toomebridge | A rating |
| SDD FAST FOOD LTD | Pontypridd | A rating |
| SDD Hanover Limited | London | A rating |
| SDDE Smith Group Limited | Saltburn-by-the-Sea | A rating |
| SDE Engineering Services Ltd | Bicester | A rating |
| Sdem Erectors UK Ltd | London | A rating |
| SDET Digital Ltd | Morley | A rating |
| SDF RESTAURANT LTD T/A The Iskele Restaurant and Bar | London | A rating |
| SDG | Armagh | A rating |
| SDG Group UK&I Ltd | MILTON KEYNES | A rating |
| SDG GROUP UK&I LTD | London | A rating |
| SDI PRIVATE LIMITED | Birmingham | A rating |
| Sdip Holdings UK Limited | Reading | A rating |
| SDJ (MCR) LTD | Manchester | A rating |
| SDJ CONSTRUCTION LTD | ROMFORD | A rating |
| SDK AUTO UK LTD T/A Morrisons Daily | Harlow | A rating |
| SDK Group Limited | EDINBURGH | A rating |
| SDKA LTD | CHEADLE | A rating |
| SDL Group Ltd | Burnley | A rating |
| SDL Limited | Maidenhead | A rating |
| SDL Pellets Limited T/A SDL Solutions | Chipping Campden | A rating |
| SDL RETAIL LTD | Nottingham | A rating |
| SDM CARE HOMES LTD | Leigh-On-Sea | A rating |
| SDM Fuel Solutions Limited | Romsey | A rating |
| SDM Housing Software Ltd | Cheshire | A rating |
| SDM Property Ltd | Southampton | A rating |
| SDMC CONSULTANTS LIMITED | Milton Keynes | A rating |
| SDMO Energy Limited | Hook | A rating |
| SDMT LIMITED | Leeds | A rating |
| SDP MEDIA LTD | BLACKBURN | A rating |
| SDP Services Retail Ltd | East Molesey | A rating |
| SDR Brothers Ltd | Welling | A rating |
| SDR Care Services | Brighton | A rating |
| SDR Glass Limited | West Drayton | A rating |
| SDR(GB) LTD | CLACTON-ON-SEA | A rating |
| SDS Dental Ltd | Stoke on Trent | A rating |
| SDS DENTAL LTD | Staffordshire | A rating |
| SDS LTD | BRISTOL | A rating |
| SDSYS Ltd | Orpington | A rating |
| SDTC SOLUTIONS LTD | Wiltshire | A rating |
| SE Auto Services Ltd | Erith | A rating |
| SE Jags Ltd | London | A rating |
| SE Kent & Son | Ipswich | A rating |
| SE Labs Ltd | London | A rating |
| SE Recycling Ltd | Manchester | A rating |
| SE1 (UK) Ltd | London | A rating |
| SE1 Media Limited | Canterbury | A rating |
| SE18 London Ltd | London | A rating |
| SE20 Dry Cleaners Ltd | Croydon | A rating |
| SE25 DIY LTD | LONDON | A rating |
| SEA AIR AND LAND FORWARDING LTD | GREENFORD | A rating |
| Sea and Land Project Engineering Limited | London | A rating |
| SEA BIRDS WOMBWELL LIMITED T/A SEA BIRDS FISH AND CHIPS | Barnsley | A rating |
| Sea Containers Hotel Limited | London | A rating |
| SEA Design Limited | London | A rating |
| Sea Dragon Energy (UK) Ltd | London | A rating |
| Sea Fish Ltd | Surrey | A rating |
| Sea Freight Limited | London | A rating |
| Sea Fresh Ltd t/s Monsoon Indian Restaurant | Seaton | A rating |
| SEA GARDEN BITES LTD | London | A rating |
| Sea Global Group Ltd | London | A rating |
| Sea Palace Southport Limited | Southport | A rating |
| SEA SALT 214 LTD | London | A rating |
| Sea Securities Limited | Harrow | A rating |
| SEA SHELL HEATHROW LTD | MIDDLESEX | A rating |
| Sea Sisters Ltd | Bridport | A rating |
| Sea Smile Care Ltd | Seaford | A rating |
| Sea Source Offshore Limited | Kilkeel | A rating |
| SEA WORLD RESTAURANT MCR LTD | Manchester | A rating |
| SEA&SKY CATERING LTD | London | A rating |
| SEAB Power Ltd | London | A rating |
| Seaborn Software Ltd | London | A rating |
| SeaBot Maritime Limited | Portsmouth | A rating |
| Seabound Carbon Ltd | London | A rating |
| Seabright Productions Limited | London | A rating |
| Seabrokers Limited | Westhill | A rating |
| Seabrook Design Limited | Oakham | A rating |
| Seabrook Global Logistics Limited | West Thurrock | A rating |
| Seabrook House Limited | Exeter | A rating |
| SEABROOK SERVICES LTD | Oxford | A rating |
| Seabrooke Manor Ltd | Poole | A rating |
| Seabury Securities (UK) Limited | London | A rating |
| SEACHANGE FINANCIAL SERVICES LIMITED | London | A rating |
| Seachill UK Limited trading as Hilton Seafood UK | Grimsby | A rating |