| Solutions Driven Ltd | Glasgow | A rating |
| Solutions for Accounting Limited | Willington | A rating |
| Solutions in Service Ltd | Ellesmere Port | A rating |
| Solutions PT Limited | Cheadle | A rating |
| Solutions Social Care Ltd | London | A rating |
| SOLUTIONS&INNOVATIONS LTD | Dartford | A rating |
| Solutions2uk Ltd | Sutton Coldfield | A rating |
| Solutionsdotnet limited | Uxbridge | A rating |
| SOLUX TECH LTD | London | A rating |
| Solvay Interox Ltd | Warrington | A rating |
| Solve Housing Limited | Smethwick | A rating |
| Solve Intelligence Limited | London | A rating |
| Solve Money Ltd | Bath | A rating |
| Solve System Solutions Limited | Colchester | A rating |
| SOLVEIDEA LTD | London | A rating |
| Solvency2Actuarial Ltd | Cardiff | A rating |
| SOLVENT GLOBAL LTD | London | A rating |
| SOLVERDECK LTD | Hull | A rating |
| Solvers Cleaning Services Ltd | Hounslow | A rating |
| SOLVEX CONSULTING LIMITED | St. Albans | A rating |
| SOLVIFY TECHNOLOGIES UK LTD | Manchester | A rating |
| SOLVIUM TECH LTD | Coventry | A rating |
| Solvo.ai Ltd. | London | A rating |
| SOLVOCOAT ADDITIVES & CHEMICALS LTD | Milton Keynes | A rating |
| Solway Free Range Eggs Limited | Dumfries | A rating |
| Solway Medical Group | Kirkcudbright | A rating |
| Solway Precast Products Ltd | Girvan | A rating |
| Solway Sharks Ice Hockey Club | Dumfries | A rating |
| SOLYRA LTD | London | A rating |
| Solytics Partners UK Limited | Pinner | A rating |
| Som Raj T/A Pelsall News | Walsall | A rating |
| som saa | London | A rating |
| SOMA FMCG LTD | Hastings | A rating |
| Soma Healthcare Limited | London | A rating |
| Somak Travel Limited | Harrow | A rating |
| Soman Consulting Limited | Purley | A rating |
| Somani Hotels (Croydon) Ltd T/A Hayesthorpe Hotel | South Croydon | A rating |
| Somani Hotels Ltd | Epping | A rating |
| Somar & Co | Hornchurch | A rating |
| Somcare Agency Ltd | Hayes | A rating |
| SOMCHI AFRO MARKET LTD | Essex | A rating |
| Somek and Associates | Chesham | A rating |
| Somer Health Ltd | Cardiff | A rating |
| Somer VAlley Medical Group | Midsomer Norton | A rating |
| Somerbond Limited | Hertfordshire | A rating |
| Somerforde Residential Home | Newton Abbot | A rating |
| Somerleigh Court Ltd | Dorchester | A rating |
| Somerset Accountancy Services Ltd | Somerton | A rating |
| Somerset Bridge Group Ltd | Bristol | A rating |
| Somerset Care Ltd | Taunton | A rating |
| Somerset Council | Taunton | A rating |
| Somerset County Cricket Club Ltd | Taunton | A rating |
| Somerset Early Scans | Bridgwater | A rating |
| Somerset Financial Services Ltd | Clacton on sea | A rating |
| Somerset Gardens Family Health Care Centre | London | A rating |
| Somerset House Trust | London | A rating |
| Somerset NHS Foundation Trust | Taunton | A rating |
| Somerton House Surgery | Radstock | A rating |
| Somerton Security Ltd | Reading | A rating |
| SOMERVILLE GLASS & WINDOWS LTD | READING | A rating |
| Somerville Lodge Limited | Newmarket | A rating |
| Somesuch & Co Limited | London | A rating |
| Somewhere Restaurant Limited T/A Parker's | London | A rating |
| Somin R Ltd | Wembley | A rating |
| Sommerville Day Nursery Limited | London | A rating |
| SOMNIOR BEDS LTD | Batley | A rating |
| Somrat Builders LTD | Manchester | A rating |
| Somtam18 LTD | Cardiff | A rating |
| Sona Asset Management Limited | London | A rating |
| Sona Polo | Tetbury | A rating |
| Sona Solutions Ltd | London | A rating |
| Sonador Furniture Ltd | Wakefield | A rating |
| Sonagi Ltd | London | A rating |
| SONALI BALTI (COVENTRY) LIMITED TA Sonali balti | Coventry | A rating |
| Sonali Bangladesh UK Ltd | London | A rating |
| SONALI FOODS LTD | Cheltenham | A rating |
| SONALI RESTAURANT | Belfast | A rating |
| SONALI SUPERMARKET OLDHAM LIMITED | OLDHAM | A rating |
| Sonangol Offshore Services Ltd | London | A rating |
| Sonar Bangla Travels Ltd | London | A rating |
| Sonar Informatics Limited | London | A rating |
| Sonardyne International Limited | Yateley | A rating |
| SonarSource UK LTD | London | A rating |
| Sonas Hospitality Limited | Sleat | A rating |
| Sonat Digital Marketing Ltd. | London | A rating |
| Sonata Software Limited | Brentford | A rating |
| Sonatrach Gas Marketing UK Limited | London | A rating |
| Sonatrach Petroleum Corporation | London | A rating |
| Sonatype UK Limited | London | A rating |
| Sonaura Limited | London | A rating |
| Sonder UK Operations Ltd | London | A rating |
| Sonderwell Bidco Limited | WOKINGHAM | A rating |
| Sondhi Investments Ltd | Birmingham | A rating |
| Sonero Tynemouth Limited T/A GULSHAN | Tyne and Wear | A rating |
| Sonesta Nursing Home | London | A rating |
| SONET TECH LIMITED | Coatbridge | A rating |
| Sonex Consultancy LTD | Birmingham | A rating |
| Song Capital LLP | London | A rating |
| SONG TRADING U.K. LTD | Cardiff | A rating |
| Song's Sussex Limited trading as New Buffet Time | Eastbourne | A rating |
| Songa Shipmanagement limited | Renfrewshire | A rating |
| SONGLAP MEDIA GROUP LIMITED , T/A: Bangla Sanglap | London | A rating |
| Songtradr UK Limited | London | A rating |
| Songtsen Ltd | London | A rating |
| Soni Cash & Carry Limited | London | A rating |
| SONI CONSTRUCTION LIMITED | Hayes | A rating |
| SONI HAIR & BEAUTY LTD | LONDON | A rating |
| SONI KRISHVI PIZZA LTD T/A Pie O My Pizza | LIVINGSTON | A rating |
| SONI Limited | Belfast | A rating |
| Sonia Asad Ltd | Wigan | A rating |
| SONIA LINENS LIMITED | CAMBRIDGE | A rating |
| Sonia Sabri Company | Birmingham | A rating |
| Sonias Limited | Wolverhampton | A rating |
| Sonic Academy Limited | Bangor | A rating |
| Sonic Builders Limited | Watford | A rating |
| SONIC BUILDING SUPPLIES LTD T/A SONIC | CRANLEIGH | A rating |
| Sonic Carz | Epsom | A rating |
| Sonic Gold Limited | Stoke on Trent | A rating |
| Sonic Megastore Ltd | Bradford | A rating |
| Sonic Platinum Limited | Uttoxeter | A rating |
| Sonic Silver Limited | Burton On Trent | A rating |
| Sonic Speed Ltd | Cardiff | A rating |
| Sonic UK Transport LTD | Birmingham | A rating |
| Sonichem Ltd | Leicester | A rating |
| SonicWall (UK) Limited | Basingstoke | A rating |
| Sonik Pocket LTD | Glasgow | A rating |
| Soniku Limited t/a Shumailas London | Ilford | A rating |
| Soniqa Kaur Ltd | London | A rating |
| Sonique Dresses Limited | Birmingham | A rating |
| Sonis Mini Market Ltd | Dundee | A rating |
| Sonita Grocers Private Limited T/A Phil's Premier | Glasgow | A rating |
| SONIYA LIMITED T/A PREMIER GOSPORT CONVENIENCE STORE | GOSPORT | A rating |
| Sonnedix UK Services Limited | London | A rating |
| Sonnemann Toon Architects LLP | London | A rating |
| Sonnet 43 Brew House | Durham | A rating |
| Sonning Common Health Centre | Reading | A rating |
| Sonno Group Limited | BRADFORD | A rating |
| SONNY ADAM LTD | Stapleford | A rating |
| Sonocent Ltd | Leeds | A rating |
| Sonoco Cores & Paper Limited, trading as Sonoco Alcore | Jarrow | A rating |
| Sonoco Limited | Manchester | A rating |
| Sonoco Metal Packaging UK Limited | Wantage | A rating |
| Sonology Medical Limited | London | A rating |
| SONOMATIC LTD. | WARRINGTON | A rating |
| Sonora Cafe and Kitchen Ltd | London | A rating |
| SONORAN LTD | Enfield | A rating |
| Sonos Experience Ltd | London | A rating |
| Sonosine Ltd | Begbroke | A rating |
| SONOVA SERVICE CENTER UK LIMITED | Warrington | A rating |
| Sonovate Limited | London | A rating |
| Sonovision Limited | Letchworth Garden City | A rating |
| Sonrak Limited trading as MASSINGHAM CHEMIST | LONDON | A rating |
| Sonrise Services International Limited | Redhill | A rating |
| Sonrysa Ltd | London | A rating |
| SONS OF DESTINY (SODEES) RECORDS LTD | Clapham Road, London, | A rating |
| SONTAG LIMITED | London | A rating |
| SONU CONSTRUCTION LTD | LONDON | A rating |
| Sonum International UK Limited | Ockley | A rating |
| Sonwadi Limited | London | A rating |
| Sony Europe B.V | Weybridge | A rating |
| Sony Europe Limited | Weybridge | A rating |
| Sony Interactive Entertainment Europe Limited | London | A rating |
| Sony Music Entertainment UK Limited | London | A rating |
| SONY SADAF HAROON LIMITED | HERTS | A rating |
| Sony/ATV Music Publishing | London | A rating |
| Sonyal Enterprises Ltd | Birmingham | A rating |
| Sonyas Newsagent | Morden | A rating |
| SONYS CONSTRUCTION LTD | Woking | A rating |
| Soocomfy Limited | Manchester | A rating |
| Soodie Enterprise Ltd T/A Shawlands Continental Food Store | Glasgow | A rating |
| Sook Ltd | London | A rating |
| SOOLAR CONCEPTS LIMITED | Derby | A rating |
| Soomal Haulage Ltd | Bilston | A rating |
| SOOMEENHAHM DESIGN LTD | LONDON | A rating |
| Soon London Limited | London | A rating |
| SOONA FB LTD | London | A rating |
| SOONTEX TEXTILE SUPPLY OFFICE LTD | Colchester | A rating |
| SOORAJ ENTERPRISE LIMITED | Leeds | A rating |
| Sooriyan Ltd | Salisbury | A rating |
| Soorya Limited | Herne Bay | A rating |
| Soos Drink LTD | Wembley | A rating |
| Soothing Hands Limited | Stroud | A rating |
| SOP INTERNATIONAL LIMITED | Harlow | A rating |
| SOPA'S BEAUTY OF EAST GRINSTEAD LTD | East Grinstead | A rating |
| SOPARCO UK LTD | Huntingdon | A rating |
| Sopex London Limited | London | A rating |
| Sopher + Co LLP | Borehamwood | A rating |
| SOPHIA EVENTS LTD | Northwood | A rating |
| SOPHIA STORE LTD | W GLAM | A rating |
| Sophia Technologies Ltd | London | A rating |
| Sophia Webster Ltd | London | A rating |
| Sophie Chapman Talent Ltd | Beckenham | A rating |
| Sophie Macpherson Ltd | London | A rating |
| Sophie Paterson Interiors Ltd | Esher | A rating |
| Sophie Taylor-West Limited | Hove | A rating |
| Sophie's Choice | Kent | A rating |
| Sophie's Soho Limited | LONDON | A rating |
| Sophisa Ltd T/A Wallace White Accountants | Glasgow | A rating |
| Sophoi Limited | Haywards Heath | A rating |
| SOPHOS LIMITED | Abingdon | A rating |