| Intact Management Ltd | Plymouth | A rating |
| Intact Projects Ltd | Manchester | A rating |
| INTACT SERVICES PRIVATE LTD | Bradford | A rating |
| INTALYTIC UMBRELLA LIMITED | Preston | A rating |
| Intandem Solutions Limited | London | A rating |
| InTandem Systems Ltd | Southampton | A rating |
| INTANGIBLE SERVICES UK LIMITED | Bolton | A rating |
| INTANGIBLE SERVICES UK LIMITED | Salford | A rating |
| Intangles Lab UK Private Ltd | Bicester | A rating |
| Intapp Limited | London | A rating |
| INTCERAM LTD | leeds | A rating |
| INTEC ENERGY SOLUTIONS LIMITED | London | A rating |
| Intech Centre | Islington | A rating |
| INTECH IT SUPPORT LTD | MANCHESTER | A rating |
| Intech Scaffolding Ltd | London | A rating |
| Intecon UK Ltd | London | A rating |
| Integer Let's Order Food Ltd | MANCHESTER | A rating |
| INTEGRA (E-QUIP) LIMITED | Stafford | A rating |
| Integra Consultants Ltd | London | A rating |
| Integra Contracts Ltd | Beckenham | A rating |
| INTEGRA CONTROL SOLUTIONS LIMITED | Uxbridge | A rating |
| Integra NeuroSciences Ltd | Staines | A rating |
| Integra Security Group Ltd | Wembley | A rating |
| INTEGRA SOFTWARE SERVICES PRIVATE LTD | Berkshire | A rating |
| INTEGRA TECH SOLUTIONS LTD | Bristol | A rating |
| Integra Technical Services Limited | Essex | A rating |
| IntegraCare Limited | Harrogate | A rating |
| IntegraFin Services Limited | London | A rating |
| Integral Ad Science UK Limited | London | A rating |
| Integral Business Support Ltd | Wrexham | A rating |
| Integral Care Solutions | Northampton | A rating |
| Integral Development Corporation (Europe) Limited | London | A rating |
| INTEGRAL FOCUS LTD | Barking | A rating |
| Integral FX LLP t/a Aston Currency Management | London | A rating |
| INTEGRAL LAW LIMITED | LONDON | A rating |
| INTEGRAL MEDIA STRATEGIES LTD | Harrow | A rating |
| INTEGRAL MEMORY PLC | London | A rating |
| Integral Powertrain Limited t/a Helix | Milton Keynes | A rating |
| Integral Powertrain Ltd (trading as helix) | MILTON KEYNES | A rating |
| Integral Services Ltd T/A HCE | Eastleigh | A rating |
| Integral Solutions MEP Limited | Sevenoaks | A rating |
| Integral Zone UK Limited | Reading | A rating |
| Integrals Power Limited | MILTON KEYNES | A rating |
| Integrate (Europe) Ltd. | Brixton | A rating |
| Integrate Preston & Chorley Limited | Preston | A rating |
| Integrate Pro Tech Ltd | Liverpool | A rating |
| Integrate UK | Bristol | A rating |
| Integrated Care 24 | Ashford | A rating |
| Integrated Clinical Oncology Network UK Ltd | Wimbledon | A rating |
| Integrated Control Engineering Ltd | Malpas | A rating |
| Integrated De-Icing Services UK Limited | Luton | A rating |
| Integrated Dentalcare Ltd. | Edinburgh | A rating |
| Integrated Designs and Associate's | Birmingham | A rating |
| Integrated Digital Solutions Limited | Buckinghamshire | A rating |
| Integrated Doorset Solutions Limited | Mansfield | A rating |
| Integrated Environmental Solutions Limited | Glasgow | A rating |
| Integrated Family Support Limited | Enfield | A rating |
| INTEGRATED FAMILY SUPPORT LIMITED | FOREST HILL | A rating |
| Integrated Fire Safety Systems Ltd | London | A rating |
| INTEGRATED FOSTERING SERVICES LTD | Enfield | A rating |
| Integrated Geochemical Interpretation Ltd. | Bideford | A rating |
| Integrated Graphene Ltd T/A iGii | Stirling | A rating |
| Integrated IT Solutions Ltd | Southall | A rating |
| Integrated Marketing Solutions Ltd | london | A rating |
| Integrated Media Solutions LTD | LONDON, | A rating |
| Integrated Pathology Partnerships | London | A rating |
| Integrated Payment Solutions Ltd | London | A rating |
| INTEGRATED RESEARCH UK LTD | Marlow | A rating |
| Integrated Security Manufacturing Ltd | Crawley | A rating |
| Integrated Services Design Ltd | Belfast | A rating |
| Integrated Solutions Consultancy Limited | London | A rating |
| Integrated Support Services Ltd | Benfleet | A rating |
| Integrated System Technologies Limited | Lichfield | A rating |
| Integrated Technologies Limited | Ashford | A rating |
| Integrated Technology Corporation Ltd | London | A rating |
| Integrated Timber Solutions | Portadown | A rating |
| Integrated Utility Services | Wakefield | A rating |
| Integrated Visual Protection Ltd | London | A rating |
| Integration Consultancy Ltd | London | A rating |
| Integration Management Consulting Limited | London | A rating |
| Integration360 Limited | SWANLEY | A rating |
| INTEGRATIVE SUPPORTED LIVING CARE LTD | Northampton | A rating |
| Integrella Ltd | London | A rating |
| Integreon Managed Solutions Ltd | London | A rating |
| Integrity Care and Support | London | A rating |
| Integrity Care Services Ltd | Clacton-on-Sea | A rating |
| INTEGRITY LIFESTYLE LIMITED | Ilford | A rating |
| Integrity NDT Limited | Chester | A rating |
| Integrity Project Solutions Limited | Windlesham | A rating |
| Integrity Social Care Solutions Ltd | Dunfermline | A rating |
| Integrity21 Ltd | Uxbridge | A rating |
| Integrity360 Limited | London | A rating |
| Integro Design Engineering Associates Ltd | Glasgow | A rating |
| Integrum Care Group | Hythe | A rating |
| Integrum Power Engineering Ltd | Stockport | A rating |
| Integrum Site Services Ltd | CROYDON | A rating |
| Integrys Solutions Limited | Motherwell | A rating |
| Inteknix Limited | Doncaster | A rating |
| Intel Corporation (UK) Ltd | Salford | A rating |
| Intelance Digital Enablement Services Ltd | Hayes | A rating |
| Inteldis ltd | Edinburgh | A rating |
| InteleTravel UK Limited | London | A rating |
| Intelex Europe Limited | Reading | A rating |
| Intelibliss Ltd | Stanmore | A rating |
| INTELIQO ENTERPRISES LIMITED | Bradford | A rating |
| Intelisense IT Limited | Wolverhampton, West Midlands, | A rating |
| Intelivita UK | Leeds | A rating |
| Intellect Design Arena Limited | London | A rating |
| Intellect Ltd | Bristol | A rating |
| Intellectsoft Ltd | London | A rating |
| Intellectual Capital Resources | Reading | A rating |
| Intellectual Property Office | Newport | A rating |
| Intellectual Security Group Limited | Brentford | A rating |
| Intellectual Worldwide Limited | London | A rating |
| Intellegens Limited | Cambridge | A rating |
| Intellego Education Services Limited | London | A rating |
| INTELLEX CONSULTING SERVICES LIMITED | Northwood | A rating |
| Intelli EV Ltd | Dunstable | A rating |
| Intelliam AI Plc | Sheffield | A rating |
| Intellian Limited | Uxbridge | A rating |
| Intellica Limited | Liverpool | A rating |
| IntelliCentrics UK Ltd | LONDON | A rating |
| Intelliflo Limited | London | A rating |
| Intelligence Fusion Limited | Durham | A rating |
| Intelligence Security and Facilities Limited | Manchester | A rating |
| Intelligent Building Group Ltd | Handforth | A rating |
| Intelligent Data Technologies Limited | Weybridge | A rating |
| Intelligent Delivery Solutions Limited | Manchester | A rating |
| Intelligent Energy Limited | Loughborough | A rating |
| Intelligent Facility Solutions Limited | Sheffield | A rating |
| Intelligent Food Central Limited T/A Subway | Leamington Spa | A rating |
| Intelligent Foods Limited T/A Subway | Wolverhampton | A rating |
| Intelligent Growth Solutions Ltd | Edinburgh | A rating |
| INTELLIGENT LEGAL SOLUTIONS (ILS) LIMITED | London | A rating |
| Intelligent Lilli | Woking | A rating |
| Intelligent Maintenance Systems Limited | Milton Keynes | A rating |
| Intelligent Processing Solutions Limited | Northampton | A rating |
| INTELLIGENT PROPERTY ASSETS LIMITED | Wisbech | A rating |
| Intelligent Reach Ltd | Hammersmith | A rating |
| Intelligent Revenue Management Limited | Blackpool | A rating |
| Intelligent Solutions 24 Limited | London | A rating |
| INTELLIGENT STORM SOLUTIONS LIMITED | Stratford-Upon-Avon | A rating |
| Intelligent Structural Solution Limited | Grantham | A rating |
| INTELLIGENT TRADING ACADEMY LTD | Canvey Island | A rating |
| Intelliinsight Limited | Andover | A rating |
| INTELLIMORPH LIMITED | London | A rating |
| INTELLIPRO GROUP UK LIMITED | Carshalton | A rating |
| IntelliQA Limited | Hertford | A rating |
| Intellisense.io | Cambridge | A rating |
| Intelliteach Ltd | London | A rating |
| INTELLITHING LTD | Manchester | A rating |
| Intellium AI | BRISTOL | A rating |
| INTELLIWEB LIMITED | Warrington | A rating |
| INTELLIWORX Managed IT Limited | London | A rating |
| Intellum UK Limited | West Sussex | A rating |
| Intelmatix Limited | London | A rating |
| Intelsat Global Sales & Marketing Limited | London | A rating |
| Intelys Technology Limited | Windlesham | A rating |
| INTEN Education Group Ltd. | Manchester | A rating |
| Intenda (UK) Ltd | Hertfordshire | A rating |
| Intennel Business Ltd | London | A rating |
| Intense Technologies UK Limited | Reading | A rating |
| Intensity Chigwell Limited | Chigwell | A rating |
| Intensity Peterborough Ltd T/A Johal Supermarket | Ilford | A rating |
| Intensity Retail Ltd. | London | A rating |
| Intensiv Filter Himenviro (UK) Ltd. | Walsall | A rating |
| Intensive Care National Audit & Research Centre | London | A rating |
| Intent Communications Ltd | London | A rating |
| Intent HQ Limited | London | A rating |
| intent.ly Global Ltd | London | A rating |
| Intentsify Limited | London | A rating |
| Intenttech Limited | Harlow | A rating |
| Inter A&S Ltd | LONDON | A rating |
| Inter Continental Logistics Limited | Solihull | A rating |
| INTER INFINITY LTD | Belvedere | A rating |
| INTER SCIENTIFIC LIMITED | Liverpool | A rating |
| INTER TECHNOLOGIES CORPORATION LIMITED | LONDON | A rating |
| Inter Trading Leicester Limited | Leicester | A rating |
| Inter-Cultural Youth Exchange (ICYE-UK) | London | A rating |
| Inter-Ed UK Ltd t/a The City College | London | A rating |
| Intera Investments Limited | London | A rating |
| INTERACTION ASSOCIATES LTD | Bath | A rating |
| INTERACTION RECRUITMENT PLC | Huntingdon | A rating |
| Interactive Brokers (U.K.) Limited | London | A rating |
| Interactive Design Institute | Musselburgh | A rating |
| Interactive Health Ltd | Inverness | A rating |
| Interactive Investor Services Ltd | Leeds | A rating |
| INTERACTIVE LOGISTIC SOLUTIONS LTD. | Canterbury | A rating |
| Interactive Management Solutions Ltd | Hessle, Hull, | A rating |
| INTERACTIVE MEDIA BRITAIN LIMITED | London | A rating |
| Interactive Schools Ltd | High Wycombe | A rating |
| Interactive Software Ltd | Solihull | A rating |
| Interactive Systems Ktd | Manchester | A rating |
| Interactive Technology Corporation Ltd | Manchester | A rating |
| Interactive Transaction Solutions Limited | Whiteley | A rating |
| Interactive Workshops Limited | London | A rating |
| Interafcon Limited | Bolton | A rating |
| Interalia Capital Limited | London | A rating |
| INTERAMERICAN COFFEE LIMITED | London | A rating |
| Interbacs Ltd | Manchester | A rating |