| Ilus International UK Ltd | London | A rating |
| ILUVO AESTHETICS LTD | London | A rating |
| ILYES RESTAURANT LIMITED | BIRMINGHAM | A rating |
| ILYNOR NEWCASTLE LTD T/A CREAMS CAFE | GILLINGHAM | A rating |
| IM AMBASSADOR | London | A rating |
| IM Automation Systems Limited | Basildon | A rating |
| iM Global Partner UK | London | A rating |
| IM Hospitality Ltd | Stamford | A rating |
| IM Marketing Limited | London | A rating |
| iM3 UK LTD | Northampton | A rating |
| IMA (LEICESTER) LTD | BLABY | A rating |
| IMA Industries | Uxbridge | A rating |
| IMA Schelling UK Ltd | Leeds | A rating |
| IMA Swiftpack Limited | 3 Arden Road Alcester | A rating |
| IMA Transport Planning Ltd | Bath | A rating |
| Imaan Butchers Ltd | Luton | A rating |
| IMAAN CONSULTANTS LTD | Harrow | A rating |
| Imaan Ltd | St Helens | A rating |
| IMAAN MEDICAL SERVICES LTD | Walsall | A rating |
| IMAAN MOTORS LIMITED | WEST DRAYTON | A rating |
| IMAAT GROUP LTD | Southend-On-Sea | A rating |
| IMACC & CO LIMITED | Walsall | A rating |
| Imad Sarafi Ltd | London | A rating |
| Imad's Kitchen Ltd | London | A rating |
| Image + Ltd | Coventry | A rating |
| Image Analysis Ltd | London | A rating |
| Image Arts Studios UK House | London | A rating |
| IMAGE CARS LIMITED | Swindon | A rating |
| Image Creation Ltd | High Wycombe | A rating |
| Image Data Systems (UK) Ltd | London | A rating |
| Image Frame Investment (UK) Limited | London | A rating |
| Image Sign Systems LTD | Weston-Super-Mare | A rating |
| Imaged Reality Limited | Esher | A rating |
| Imagedata (trading division of ITW Limited) | Essex | A rating |
| Imagefast Limited | London | A rating |
| IMAGIN LIMITED | London | A rating |
| Imaginal Ways Ltd | London | A rating |
| Imaginatal Services Ltd | Bristol | A rating |
| Imaginate | Edinburgh | A rating |
| Imagination Industries Investments Limited | London | A rating |
| Imagination PR | London | A rating |
| Imagination Preschool & Nursery Ltd | London | A rating |
| Imagination Technologies Limited | Kings Langley | A rating |
| Imagine Communications EMEA (UK) Limited | Surrey | A rating |
| Imagine Cruising Limited | Richmond | A rating |
| Imagine Draughting Services ltd | Blackpool | A rating |
| Imagine Health Limited | London | A rating |
| Imagine Mortgages Limited | London | A rating |
| Imagine Software (UK), Ltd. | London | A rating |
| Imagine World Limited | London | A rating |
| IMAGINE X GLOBAL LTD | Stretford | A rating |
| Imagineear LTD | London | A rating |
| Imaginera Limited | Oxford | A rating |
| ImagineTEC Ltd | London | A rating |
| Imagino | London | A rating |
| Imago Publishing Limited | Thame | A rating |
| iMaker Group Limited | London | A rating |
| Imam Al Hussein Media Group Ltd | London | A rating |
| Imamia Mission London UK | Ilford | A rating |
| Iman Casing and Foods UK LTD | Llandrindod Well | A rating |
| IMAN HALAL LIMITED | London | A rating |
| IMAN RESOURCES LIMITED | ENGLAND | UK Expansion Worker: Provisional |
| IMAN RESTAURANT & TAKEAWAY LIMITED | London | A rating |
| Imana Ltd T/A Subway Chatham Dockside | Chatham | A rating |
| iManage EMEA Limited | London | A rating |
| Imanova Limited | London | A rating |
| iMap Centre Limited | Chester | A rating |
| IMAX DESIGN LIMITED T/A IMAX DESIGN | LONDON | A rating |
| IMAX International Sales Corporation | London | A rating |
| IMAXX LIMITED | Basildon | A rating |
| Imayams Food and Wines | Hayes | A rating |
| Imber House | Lowestoft | A rating |
| Imbert Limited | Exeter | A rating |
| Imbil Consultancy Services Limited | London | A rating |
| IMC (UK) Learning Limited | London | A rating |
| IMC London Limited | London | A rating |
| IMC Systems Ltd | Chesham | A rating |
| IMCD UK Limited | Sutton | A rating |
| IMCI (Services) Limited | Stockport | A rating |
| IMCOZ LIMITED | Birmingham | A rating |
| IMD International Limited | Manchester | A rating |
| IMD Media Limited | London | A rating |
| IMD Technologies Ltd | London | A rating |
| IME Contracts LTD | Dagenham | A rating |
| IMEC Cambridge UK Limited | Cambridge | A rating |
| IMECH ENGINEERING LIMITED | London | A rating |
| IMediCare Limited | London Colney | A rating |
| IMEG TRADE LTD | Sheffield | A rating |
| Imend Gadgets Limited | Luton | A rating |
| Imersifi Limited | Swansea | A rating |
| Imerys Minerals Ltd | St Austell | A rating |
| IMES Engineering & Contracting Ltd | Stafford | A rating |
| Imet Healthcare Ltd | Bradford | A rating |
| Imetrum Limited | Bristol | A rating |
| IMF GLOBAL LIMITED | Shipley | A rating |
| IMF Management Limited | London | A rating |
| Imfixed Ltd | Bolton | A rating |
| IMG ARENA UK LTD | London | A rating |
| IMG Artists (UK) Ltd | London | A rating |
| IMG Connect Ltd | London | A rating |
| IMG Media Limited | London | A rating |
| IMGRA LTD | London | A rating |
| Imhof Trading Ltd T/as Audio Plus | Colchester | A rating |
| IMI (GB) LIMITED | Ewell | A rating |
| IMI BODY TECH SPECIALIST LIMITED | Bolton | A rating |
| IMI Plc | Birmingham | A rating |
| IMI Publishing Ltd. | London | A rating |
| IMILE LOGISTICS CO., LTD | Hounslow | A rating |
| Imison & Co | London | A rating |
| Imitate Modern | London | A rating |
| IMITOR GRAPHICA LIMITED | Hounslow | A rating |
| IMIX CONCRETE LTD | South Ockendon | A rating |
| IMK Automotive Limited | Northants | A rating |
| IMK Trading limited | Kilmarnock | A rating |
| Imkaan | London | A rating |
| Imli Limited t/a Tamarind Kitchen | London | A rating |
| IMLI RESTAURANT LIMITED T/A IMLI | LEWES | A rating |
| ImLink Limited | London | A rating |
| Immaculate Maintenance Services Ltd | London | A rating |
| IMMACULATE360 LIMITED | Exeter | A rating |
| Immanuel Mar Thoma Church, Cardiff | Cardiff | A rating |
| Immaterial Ltd. | Cambridge | A rating |
| IMMEDIATE ACCOUNTING SOLUTIONS LIMITED | Nottingham | A rating |
| Immediate Media Company Limited | London | A rating |
| IMMEDIATE MEDICAL SOLUTIONS LTD. | London | A rating |
| Immediate Social Care LTD | LONDON | A rating |
| IMMENSE HUB LIMITED | London | A rating |
| Immersa Limited | Dursley | A rating |
| Immersely Limited | Sheffield | A rating |
| Immersify Education Ltd | Manchester | A rating |
| Immersionn Limited | Greater London | A rating |
| IMMERSIONN LIMITED | LONDON | A rating |
| IMMERSIVE CLOUD SOLUTIONS GROUP LIMITED | Windsor | A rating |
| Immersive Gamebox Ltd | London | A rating |
| Immersive Gym Company Ltd | London | A rating |
| Immersive Labs Holdings | Bristol | A rating |
| Immersive Limited | LONDON | A rating |
| Immersive Mobile Designs Pvt Ltd | Leeds | A rating |
| immersive multimedia experiences Ltd | London | A rating |
| Immi Tea Club Limited t/a Boba Cup | Glasgow | A rating |
| Immigration Advice Consultants Ltd | London | A rating |
| IMMIGRATION ADVICE SERVICE LTD | Oldham | A rating |
| Immingham Transport Limited | South Killingholme | A rating |
| IMMNS Ltd T/A Royal Tandoori | Alloa | A rating |
| Immo Hansa (UK) | London | A rating |
| IMMO Investment Technologies UK Ltd | London | A rating |
| Immortal Tech Ltd | Huntingdon | A rating |
| ImmotionVR Ltd | London | A rating |
| Immunocore Limited | Abingdon | A rating |
| Immunodiagnostic Systems Holdings Limited | Boldon | A rating |
| Immuta Limited | Reading | A rating |
| IMMY PO LTD | MANCHESTER | A rating |
| IMO Precision Controls Ltd | Hatfield | A rating |
| iMobile Connect Ltd | Uxbridge | A rating |
| iMobile Stratford ltd | London | A rating |
| Imobisoft Limited | Coventry | A rating |
| IMON TANDOORI LTD, T/A, IMON TANDOORI | Carlisle | A rating |
| IMONE BBQ LTD | New Malden | A rating |
| Imone Korean Restaurant Ltd | New Malden | A rating |
| IMOT AND SERVICE LIMITED | Cleveland | A rating |
| IMOTEX LTD T/A CSK Auto Parts | Glasgow | A rating |
| Impact 3D Signs Limited | Middlesbrough | A rating |
| Impact Academy Limited | London | A rating |
| Impact and Growth Advisors Ltd | London | A rating |
| Impact Care Limited | Harold Hill | A rating |
| IMPACT CARE-UK LIMITED | Hornchurch | A rating |
| Impact Childcare and Education Ltd | Newcastle Upon Tyne | A rating |
| IMPACT CONTROL SYSTEMS LTD | LIVERPOOL | A rating |
| Impact Cubed Data Analytics Limited | London | A rating |
| Impact Cubed Limited | London | A rating |
| Impact Cubed LLP | London | A rating |
| Impact Data Metrics Ltd | Liverpool | A rating |
| Impact Explorers Ltd | Wallington | A rating |
| IMPACT FIXINGS LTD | BANGOR | A rating |
| Impact Investing Institute | London | A rating |
| IMPACT INVESTMENT UK | OLDHAM | A rating |
| Impact IT Solutions (UK) Ltd | BRISTOL | A rating |
| Impact Laboratories Limited | Livingston | A rating |
| Impact Medical Ltd | Liverpool | A rating |
| Impact Multi Academy Trust | Beckenham | A rating |
| Impact Oil & Gas Limited | London | A rating |
| Impact Operations Limited | Barnstaple | A rating |
| IMPACT PROFESSIONAL SOLUTIONS LTD | Rochester | A rating |
| IMPACT PROJECT SOLUTIONS | BEXLEYHEATH | A rating |
| Impact Radius Ltd | London | A rating |
| Impact social value reporting Ltd | Kingston Upon Hull | A rating |
| Impact Social Value Reporting Ltd | Manchester | A rating |
| Impact Subsea Ltd | Aberdeen | A rating |
| Impact Women Network CIC | Bradford | A rating |
| Impact XM Europe Limited | Leatherhead | A rating |
| Impact-Now | Northampton | A rating |
| ImpactA Global Ltd | London | A rating |
| Impactable Investment Group Ltd | London | A rating |
| Impactdev Ltd | London | A rating |
| ImpactEd Limited | Beaconsfield | A rating |
| IMPACTING LIVES LTD | Birmingham | A rating |
| IMPACTS360 LIMITED | London | A rating |
| IMPACTT Ltd | London | A rating |
| Impala Engineering Ltd | Mildenhall | A rating |
| Impala Terminals Infrastructure UK Ltd | Bristol | A rating |