| UK Company Name | Partial Address |
| I Squared Capital (Uk Parent) Limited | Mayfair, London |
| I-Sm@Rt Consumer Services Limited | KETTERING |
| I-Sys Technical Ltd | NEWTOWNABBEY, COUNTY ANTRIM |
| Is Healthcare Dynamics Limited | 127-131 Great Suffolk Street, London |
| Is It Art Limited | CHICHESTER, WEST SUSSEX |
| Is Pharma Ltd | CHESTER BUSINESS PARK, CHESTER |
| Isa Support Services Limited | BALSALL HEATH, BIRMINGHAM |
| Isaac Agnew (Holdings) Limited | BELFAST, COUNTY ANTRIM |
| Isaac Agnew (Mallusk) Limited | BELFAST |
| Isaac Agnew Limited | BELFAST |
| Isaac Lyons Holdings Limited | 26 Linenhall Street, Belfast |
| Isaac Wholesale Limited | Ivatt Way, Peterborough |
| Isaco Limited | MOSSLEY, LANCASHIRE |
| Isambard Associates Ltd | Newry, County Down |
| Isams Limited | 470 London Road, Slough |
| Isbir Bulk Bag Uk Limited | CUPAR, FIFE |
| Isbister Bros. Limited | Stromness, Orkney |
| Isc Software Solutions Limited | Huntingdon, Cambridgeshire |
| Iscar Tools Limited | BARTLEY GREEN, BIRMINGHAM |
| Isd Solutions Ltd | OLD AMERSHAM, BUCKS |
| Ise Fire Products & Services Limited | LITTLE HARROWDEN, NORTHAMPTONSHIRE |
| Ise Group Limited | SWANSCOMBE, KENT |
| Isfahan Carpet Palace Limited | HOVE, EAST SUSSEX |
| Isg (Group Services) Limited | GUILDFORD, SURREY |
| Isg (Overseas) Limited | 5-9 QUALITY COURT, LONDON |
| Isg Live Limited | COBHAM |
| Isher Capital J11 Ltd | SALFORD, LANCS |
| Isherwood + Ellis Llp | Belfast |
| Isight Cumbria Limited | SOUTHPORT, MERSEYSIDE |
| Isight Limited | SOUTHPORT, MERSEYSIDE |
| Isis Aviation Services Limited | STATION ROAD, NORWICH |
| Isis Court Management Limited | ABINGDON, OXFORDSHIRE |
| Isis Planning Solutions Limited | COLLONE, ARMAGH |
| Isis Property Investments Ltd | Bredons Hardwick, Tewkesbury |
| Isis Property Management And Lettings Limited | CROYDON, SURREY |
| Isis Technologies Ltd | WARMINSTER, WILTSHIRE |
| Isix Communications Llp | London |
| Isjay Holdings Ltd | LONDON |
| Iskcon (Belfast) | BELFAST, ANTRIM |
| Iskcon (N.I.) Limited | DERRYLIN, CO. FERMANAGH |
| Iskcon (Scotland) Limited | Lesmahagow, Lanarkshire |
| Iskus Health Uk Ltd | Swadlincote, Derbyshire |
| Islamic Finance Council Uk Limited | FINNIESTON, GLASGOW |
| Islamic Relief Worldwide | DIGBETH, BIRMINGHAM |
| Island Ales Limited | NEWPORT, ISLE OF WIGHT |
| Island Architects Limited | LISKEARD, CORNWALL |
| Island Bathrooms Limited | Bournemouth, Dorset |
| Island Energy Solutions Ltd | DOWNPATRICK, CO. DOWN |
| Island Events (Ni) Ltd | BELFAST |
| Island Fire Protection Limited | 32 LONDON BRIDGE STREET, LONDON |
| Island Forklifts Limited | Dargan Crescent, Belfast |
| Island Green Power Uk Limited | 189 MUNSTER ROAD, LONDON |
| Island Networks Limited | MANNINGTREE, ESSEX |
| Island Pacific (Uk) Limited | Saffron Walden, Essex |
| Island Printing & Finishing Equipment Ltd | Ballyclare |
| Island Records Limited | LONDON |
| Island Salads Ltd | CRAIGAVON, COUNTY ARMAGH |
| Island Studios London Limited | COVENT GARDEN, LONDON |
| Island Turf Crafts Limited | COALISLAND, DUNGANNON |
| Island View Apartment Management Company Limited | BALLYCLARE |
| Islandbawn Stores Limited | MUCKAMORE, ANTRIM |
| Islandblue Properties Limited | KESH, CO FERMANAGH |
| Islandbridge Capital Limited | LONDON |
| Islandbridge Properties Limited | LOUGHTON, ESSEX |
| Islander Kelp Ltd | BALLYCASTLE |
| Islander Trading Limited | MEAD WAY, PADIHAM |
| Islandmagee Energy Limited | Larne, Co Antrim |
| Islandvale Limited | ST. MARY STREET, CARDIFF |
| Islas Properties Ltd | LONDON |
| Islay Crab Exports Ltd | TARBERT, ARGYLL |
| Islay View Management Company Limited | PORTSTEWART, COUNTY LONDONDERRY |
| Isle Of Arran Distillers Limited | Lochranza, Isle Of Arran |
| Isle Of Harris Distillers Limited | Tarbert, Isle Of Harris |
| Isle Of Man Freight Ltd | POULTON-LE-FYLDE, LANCASHIRE |
| Isle Of Man Limited | 50 Broadway, London |
| Isle Of Man Steam Packet Company,Limited (The) | DOUGLAS, ISLE OF MAN |
| Isle Of Wight County Club Limited | NEWPORT, ISLE OF WIGHT |
| Ism Fantasy Games Limited | Taunton, Somerset |
| Ism Limited | Solihull, W Mids |
| Ismash Uk Trading Limited | Holborn, London |
| Isme Holdings Limited | 148 Edmund Street, Birmingham |
| Isms Limited | Hammersmith, London |
| Isn Distributors Ltd | LEICESTER |
| Iso Quality Services Limited | EVEROAK INDUSTRIAL ESTATE BROMYARD ROAD, WORCESTER |
| Isobar Properties Limited | BOURNEMOUTH, DORSET |
| Isoclad Limited | NORTH SHIELDS, TYNE & WEAR |
| Isofast Limited | HUNTINGDON, CAMBRIDGESHIRE |
| Isoma Limited | SWADLINCOTE, DERBYSHIRE |
| Isosceles Finance Limited | High Street, Egham |
| Isp Holdings (U.K.) Ltd. | NEWTON AYCLIFFE, COUNTY DURHAM |
| Ispiri Holdings Limited | ENNISKILLEN, CO. FERMANAGH |
| Ispiri Properties Limited | ENNISKILLEN, CO. FERMANAGH |
| Ispiri Wheels (Uk) Ltd | 32 EAST BRIDGE STREET, ENNISKILLEN |
| Isps Associates Limited | MUXTON, TELFORD |
| Isr Consultants Limited | ELGIN, MORAY |
| Iss Facility Services Limited | WEYBRIDGE, SURREY |
| Iss Group Holdings Limited | London |
| Iss Group Services Limited | MIDDLETON, MANCHESTER |
| Iss Uk Holding Limited | WEYBRIDGE, SURREY |
| Iss Uk Limited | WEYBRIDGE, SURREY |
| Issy Gems Ltd | 49 St. Kilda's Road, London |
| Istanbul Meats Limited | Chester Le Street, County Durham |
| Istead Business Presentations Limited | COVENTRY, WEST MIDLANDS |
| Istituto Marangoni Limited | LONDON |
| Istorage Limited | PERIVALE, GREENFORD |
| Istorm Limited | GRAYS |
| Isuzu (Uk) Limited | International Drive, Solihull |
| Isware Limited | PENKHULL, STOKE-ON-TRENT |
| Isys Computer Services Limited | RENFREW |