| Name | Location |
|---|
| I & A Plumbing Services | Simonstone |
| I & E Solutions | Wolverhampton |
| I & K Builders Ltd | London |
| I & M Plumbing | Greater London |
| i - garden services | 7 busbys cottages, new brighton, wirral |
| I Autoworks | Barking |
| I B Cleaning | Leicester |
| I B JOINERY (SCOTLAND) LIMITED | Renfrew |
| I Builder | New Barnet |
| I Builder London Ltd. | Londonderry |
| I Cameron Plumbing and Heating | Chester le street |
| I D Electrical | |
| I D Smith Construction Services Ltd | Faversham, Kent |
| I Do Plumbing | Nelson |
| I Gas Engineers Ltd. | FAREHAM |
| i Heat Gas Services | Bridgend |
| I J K CARPENTRY & JOINERY | Hemel Hempstead |
| I J N Plumbing & Heating Services Limited | Hemel Hempstead |
| I Like To Move it Move It Ltd | Unit 1, 1000 North Circular Road, Staples Corner Business Park, London, Greater London |
| I Love Boilers Ltd | 108 Edgeley Road, London, Greater London |
| I Maiden Heating | Worksop |
| I Maintain | Greater London |
| I Meikle Electrical Contractor | Lochgilphead |
| I Mills Electrics | 23 Allen Road, Croydon, Surrey |
| I R Hine Building | Basildon |
| I Rewire | Hamilton |
| I S Durnell | Kingswood, Bristol |
| I T MCKENNA BUILDING CONT | Stoke-on-Trent |
| I Urquhart Plumbing & Heating | Aberdeen |
| I Webb Electrical Ltd | Walsall |
| I-Fix Gas & Heating | Birmingham |
| I. S Plumbing Heating | Dunfermline |
| I. S. Building & Roofing Ltd | Consett |
| I.A.S. Construction Ltd | Dunstable |
| I.B Coatings | Newcastle upon Tyne |
| I.C.S Pipework Ltd | Poole |
| I.E.D Building Services Ltd | Rotherham |
| I.J Bella | Deal |
| I.L. Priddy And Sons | Priddys Workshop & Offices, 26A Reginald |
| I.l.parkes carpentry &joinery | Cornwall |
| I.M.S Electrics | Plymouth |
| I.R Cripps Plastering | |
| I.W.Blackmore | Fareham |
| IA Roofing | Canterbury |
| Iain Atkinson Joinery | 2 Scalby Avenue, Scarborough, North Yorkshire |
| IAJ Decorating & Plastering | Holmwood, Dorking |
| Ian Abberley | NewcastleUnderLyme |
| IAN BARLOW BUILDERS | |
| Ian Batchelor | |
| Ian Brooks Building & Plumbing Contractors | Longcross |
| Ian Cowpland | Rye |
| Ian Cox Plumbing | Hertfordshire, Hertfordshire |
| Ian Cudahy Gas & Plumbing | Salford |
| Ian Danter Plastering | Birmingham |
| Ian David Jones | Nuneaton |
| Ian Dawson Plumbing and Heating Ltd | Crook |
| Ian Day Decorators Limited | 92 Oakhill Road, Sutton, Surrey |
| Ian Garforth Painting and Decorating Ltd | Bordon |
| Ian George Design | Staffordshire |
| Ian Groves | Penrith |
| Ian Heams Electrician | Barnet |
| Ian Hill | Bromley |
| Ian Hill | Bromley |
| Ian Hineson | Colchester |
| IAN HOTHAM BUILDING & MAINTENANCE | Folkestone |
| Ian Hunt Building Services | Taunton |
| Ian Jackson plumbing and heating | Bourne End |
| Ian Kelly (Electrical Contractor) | |
| Ian Lediard | WEST BROMWICH |
| IAN LOCKE CARPENTRY | |
| Ian Munson Painting & Decorating | Halstead |
| Ian Oliver Painting & Decorating | 124 Lockington Avenue, Plymouth, Devon |
| IAN RICE BUILDING LTD | Stonehouse, glos |
| Ian Riddex Gas Services | 16 Knockrivoch Wynd, Ardrossan, Scotland |
| ian roberts | evesham |
| Ian Sampher | Maidstone |
| Ian Samuels | Langholm |
| Ian Shillingford | London |
| Ian Slack Electrical | Soke-on-Trent |
| Ian Smith Electrical Limited | Bottesford Notts |
| Ian Wilson Plumber | Norwich |
| Ian Winnard | Thornton |
| Ian Woan Painter & Decorator | Thornton-Cleveleys |
| Ian Young Plumbing and Heating | LEIGHTON BUZZARD |
| Ian's Garden Services | Hereford |
| Ians Final Touch Ltd | |
| IB Interiors | Bristol |
| iBathrooms | Greater London |
| IBE Heating and Plumbing | Leeds |
| IBF Electrical Services Ltd | |
| iboilers limited | London |
| Ibrahim Abdullah | Luton |
| IBuild (SW) Ltd | Plymouth |
| Ibuild Design & Build | Lancashire |
| Ibuild Design & Build | Blackpool, Lancashire |
| IC Builders | Hertfordshire |
| IC Electrical Installations Ltd | Bradford |
| IC Home Decorators & Building Services | Coulsdon |
| IC Plumbing + Heating Services | wigan |
| IC Roofing Services | Wymondham |
| IC&T PROJECTS | Greater London |
| Icare Construction Ltd | Middlesex |
| ICB (Projects) Ltd | Unit 9-11 Fleets Industrial Estate, Willis Way, Poole, Dorset |
| ICB Building and Civil Engineering | Greater London |
| ICC Construction | Oxfordshire |
| ICCH 2 Build Ltd. | 55 chalgrove crescent, Ilford, Ilford, Essex |
| ICD Tree Services | Tarbert |
| Ichor | Hertfordshire |
| ichorliquid | One Canada Square, London, Londonderry |
| ICL Decorating & Plastering | Evesham |
| IClean Edinburgh | Edinburgh |
| Icon Building and Landscaping | Dagenham |
| Icon Heating & Gas Services | Bletchley, Milton Keynes |
| Icon Kitchen Designs Ltd | Surrey |
| ICR Electrics | Moulton |
| ICS BUILDERS LIMITED | cranbrook |
| ICS Decorators | Stanford-le-Hope |
| ICS Tree Services Ltd | Leeds, West Yorkshire |
| ID Building and Construction Ltd | London |
| Id designs | Cheshire |
| Idea Building Service | London |
| Ideal Building and Landscapes | 55 Shawhurst Lane, Hollywood, Birmingham |
| IDEAL BUILDING SOLUTIONS | |
| Ideal Burners Ltd | 94 Keston Avenue, Coulsdon, Surrey |
| Ideal design and Build | Essex |
| Ideal electrical solutions | |
| Ideal Gas Ltd | Bathgate |
| Ideal Heat & Build Ltd | Romford |
| Ideal Homes Roofing & Building Contractors | Coatbridge |
| Ideal improvements south west ltd | Wiltshire |
| Ideal Interiors | Suffolk |
| Ideal Loft Ladders South East (SE) Ltd | 8 Twisleton Court, Priory Hill, Dartford |
| Ideal Place Construction Ltd | Watford |
| Ideal Plumbing, Heating & Gas Services | |
| Ideal Quality Limited | Greater London |
| Ideal Windows | West Midlands |
| Ideas Kitchen and bedrooms | Surrey |
| IDEC Ltd | Sarisbury |
| Idec Services | Preston, Lancashire |
| Idecor - | Carlisle, Cumbria |
| IDL Contractors Ltd | London, Greater London |
| Idor Construction | Nottingham |
| Idriz Hasanaj Constructions Ltd | Beckton |
| iFenestration | Down |
| IFixit | Walsall |
| iGas Heating Ltd | Welwyn Garden City |
| IGAS SOLUTiONS LTD | Milton Keynes |
| IGB Plumbing & Heating | Clacton |
| igdbuilding.co.uk - Home renovation Surrey | Surrey |
| IGGY Electrical | EAST COWES, Isle of Wight |
| IGI Plumb & Heating Ltd | 1 Marsden Court, Colchester, Colchester, Essex |
| iGlaze | Bedfordshire |
| Ignas Ltd | Vicarage House, 58-60 Kensington Church Street, London |
| Igniheat | Birmingham |
| Ignis Heating | Stowmarket, Suffolk |
| Ignis Yorkshire LTD | |
| Ignite Boiler Repair & Plumbing | 17a Barton Street, Westminster, Greater London |
| Ignite boiler service limited | London |
| Ignite Gas Care Ltd | Leeds |
| Ignite Heating & Plumbing | Newcastle upon Tyne |
| Ignite Heating Ltd | Caerphilly |
| IGS Electrics | London |
| IH Construction & Property Services LTD | 16 Chisbury Close, Bracknell, Berkshire |
| IIR SERVICES | Leicester |
| iJ Homes and Architecture | Surrey |
| iJ Homes and Architecture | Croydon, Surrey |
| IJF Heating and Plumbing Services | Pontyclun |
| IK MASTER BUILD LTD | Bolton, Lancashire |
| IK Plumbing & Heating | London |
| Ika Refurbishment ltd | Bournemouth, Dorset |
| IKAS Design | Essex |
| IKE Plumbing and Heating Services | London |
| Ikeachen | London |
| IKIZ Jewellery | Greater Manchester |
| ikon | West Midlands |
| Ikpe Group | Harrow |
| ILEC | London |
| Ilford Man and Van Ltd. | Ilford, Greater London |
| Ilford Plumber | Axon Place, Ilford, |
| Ilie Jucatoru | London |
| Ilirjan Hoxha | London |
| Ilkeston Driveways and Dropped Kerbs | Derbyshire |
| Ilkeston heating and plumbing solutions | 12 Cranmer Street, Ilkeston, Derbyshire |
| Ilkeston Joinery Limited | UNIT 3 GREENS COURT, MANNERS INDUSTRIAL ESTATE, ILKESTON, Derbyshire |
| Illumin8 Electrical Solutions Ltd | Bexleyheath |
| Illuminate services | Swansea |
| IM Construction | Greater London |
| Im construction and building Ltd | London |
| IM Tiles & Bathrooms | Falkirk |
| Image Carpentry | Wymondham |
| Imagination Interior Design | Kent |
| Imagine Landscapes | Surrey |
| Iman-Plumber | Luton |
| Imba | Liverpool |
| Imbrex Roofing Ltd | Isleworth |
| Imbrico | Belgravia, Greater London |
| IMC Roofing | 81 Beehive Lane, Welwyn Garden City, Hertfordshire |
| IMG Group Limited | Arion Business Centre Harriet House, 118A High St,, Birmingham, West Midlands |
| IMK JOINERY | Glasgow |
| IMKO | Jardine House, 1C Claremont Road, Teddington, London, Greater London |
| Imogen Jack | 7 Longfield Road, Sandy, Bedfordshire |
| Impact Gasworks | NEWQUAY |
| Impact Northwest Building Contractors Ltd | Salford |
| Impact Paving | Braintree |
| Impala Stone Ltd | Kirk Langley, Derbyshire |
| Impeccable Plastering | Saffron walden |
| Imperial Construction Chichester | West Sussex |
| Imperial Construction Services Ltd | 291-293 High Street, Croydon, Greater London |
| Imperial Installation | Ipswich |
| Imperial Interiors | Staffordshire |
| Imperial Landscapes | Surrey |
| Imperial Landscapes | Wallington, Surrey |
| Imperial Marble & Granite Ltd | London, Greater London |
| Imperial Tiling London | 80 Craigdale Road, Hornchurch, London, |
| Imperium Electrical limited | Unit 2 Metro Centre Dwight Road, Watford, Hertfordshire |
| Impire Construction Group Ltd | Hayes |
| Impression electrical and Building | Birmingham |
| Impressions Mouldings | West Yorkshire |
| Impressions Plumbing and Heating Ltd | Bedford |
| Improve A Roof | 97 Macclesfield Road, Hazel Grove, Stockport, Greater Manchester |
| Improve dont move Ltd | Blackpool |
| Improved Gardens & Fencing | Suffolk |
| Impulse Electrical Services | Bedford |
| Impulse Electrics Limited | Handsworth, Birmingh |
| Imq | Croydon |
| Imran | Birmingham |
| Imran Daniels | London |
| IMS Building | Wetherby |
| IMS Installations Ltd | West Yorkshire |
| In Colour Design | Warrington |
| In Greenspace Landscapes LTD | Greater London |
| In Greenspace Landscapes LTD | Barnet, Greater London |
| in the city decorators & design | London Bridge |
| In the pipeline plumbing & heating specialists Ltd | Tameside |
| IN&OUT PROJECTS LTD | Hampton, Greater London |
| IN'n'OUT Autocentres Andover | Andover Trade Park (near McDonalds), Jou |
| IN'n'OUT Autocentres Brackmills, Kettering Rd & Towcester Rd | IN'n'OUT Centres Limited, Brackmills Bus |
| In-2-Lock | Lytham Saint Annes |
| In-Gas Yorkshire | |
| Inandated Furniture Co | bath |
| Inbha | flat 16, manchester |
| InConstruction Services Ltd | London, Greater London |
| Incredible Landscapes | Essex |
| Incredible Landscapes | Romford |
| Independent Cleaner | WRAGBY |
| Independent Company Safety Ltd | Larne |
| Independent Kitchens | West Sussex |
| Independent Vehicle Installers | Market Rasen |
| Indesign Bathrooms & Kitchens | 108-110 Sheen Road, Richmond, Greater London |
| Indi Line Group Ltd | Northampton |
| Indi Tree Surgery | Coffinswell, Newton |
| IndieGo Build | Office B, Friendship House, Elm Grove, Southsea |
| Indigo contracts | Essex |
| Indigo Gas | Derby |
| Indigo Removals & Transport Organisers | |
| Indigo Surveys | 2nd Floor, 1 Canal St, Hunters Walk, Chester, Cheshire |
| Individually Designed Homes Ltd | East Lothian |
| Industrial Roofing Services (NE) Ltd | Unit 3 Dewley Court, WestWay Industrial Park, Newcastle Upon Tyne, Tyne & Wear |
| Ineedmycarpetscleaned.co.uk | 6 Burley Close, London, Greater London |
| Infini Kitchens & Bathrooms | West Midlands |
| Infinite Bespoke Interiors | North Yorkshire |
| Infinite CM | Greater London |
| Infinite Garden Solutions | Crawley, West Sussex |
| Infinite Roofing Limited | Epsom |
| Infiniti Heating | Bradford |
| Infinity Civils Limited | South Lanarkshire |
| Infinity home improvement | Greater London |
| Infinity Interiors | Hertfordshire |
| Infinity Kitchen Designs Ltd | South Yorkshire |
| Infinity PD | essex |
| Infinity Property Improvements Limited | 23 Wimblebury Road, Heath Hayes, Cannock |
| Inflow Heating Services | |
| Info@rudkinandherbert.co.uk | 80 upperton rd, Leicester, Leicestershire |
| ING Building Ltd | Ipswich |
| Ingram Building and Electrical Contractors LIMTED | |
| Ingram Electrical Services | Dumfries |
| Ingram's Garage Services | Liverpool |
| Ingram's Removers & Storers | 15-21 Percy Street, Bishop Auckland, Cou |
| Inigo & Co. | London, Greater London |
| INIK Construction Ltd | London, Greater London |
| Initial Plumbing | Aberdare |
| Inkerman Building & Roofing Co | Luton |
| Inline Heating Services | Milton Keynes |
| Inline Mechanical Building Services limited | Bradford |
| Inline Plumbing and Heating Ltd | Hertfordshire |
| Inline Removals & Storage Ltd | Unit 6 Thames Road, London, Buckinghamsh |
| InLocks Local Locksmiths | 11 Lynceley Grange, Epping, Essex |
| InLocks Locksmiths | |
| Inner City Plumbers Ltd | London |
| Inner City Refurbs Ltd | Bexleyheath |
| Inner Space London | 1354-1356 High Road, Whetstone & Totteridge, London, Greater London |
| Innerspace Kitchens and Bedrooms | Dorset |
| Innoscape Ltd | Leeds, West Yorkshire |
| Innovate Design Services | Doncaster |
| Innovate Design Systems | 38 West Street, Dorking, Surrey |
| Innovate EV & Electrical Ltd | Wigan |
| Innox Waste | Beult Farm, Manor Road, Bethersden, Ashford |
| Inphase Electrics | Reading, Berkshire |
| INS Air Conditioning Ltd | Ruislip |
| inscape projects ltd | Kent |
| Inscope Management Services Ltd | 25 Holmcroft Way, Bromley, Greater London |
| Inside & Out Property Refurbishments | Worcestershire |
| Inside Out | Cwmbran |
| Inside Out Building & Landscaping Solutions Ltd | Rowley Regis |
| Inside Out Decorating | Newcastle upon Tyne |
| Inside Out Oxford, Bespoke Garden Rooms | Oxford, Oxfordshire |
| Inside Out Property Refurbishment Ltd | London |
| InsideOut | Middlesex |
| InsideOut Home & Garden Improvements Ltd | HAYWARDS HEATH, West Sussex |
| InsideOut Home & Garden Improvements Ltd | West Sussex |
| Insider Property | 31 Woodhouse Avenue, Perivale, London, Greater London |
| Insite Sepecialists | Eastbourne |
| Insitu Plaster and plasterwork | Poole |
| Insomnia IT Systems | 3 Kinder Road, Inkersall, CHESTERFIELD, |
| Inspect-a-Drain Ltd | Ashbourne |
| Inspector Electrical | Waterlooville |
| Inspiral | Reading |
| Inspiral Construction | Chertsey |
| Inspiration Central Engineering | WEST DRAYTON |
| Inspirational Interiors (Kitchens Ltd) | Nottingham |
| Inspire.me | Surrey |
| Inspired Bathrooms | Essex |
| Inspired Building Projects Limited | 12 Edgehill Road, Chislehurst, Kent |
| Inspired Building Services Ltd | Norwich |
| Inspired Builds | West Yorkshire |
| Inspired by you kitchens | Ipswich |
| Inspired Electrical Contractors Ltd | Aldershot |
| Inspired Gas Services - Kent Emergency Plumbers | Kent |
| Inspired Homes Property Maintenance | Southend-on-Sea |
| Inspired Restorations Oxford Ltd | Oxfordshire |
| Inspired vision bathrooms & wetrooms | East Ayrshire |
| Inspired Worx | Unit 1, Mendip Vale Trading estate, Cheddar, Somerset |
| Instaa Gas Ltd | Leeds |
| Instaheat Ltd | Biggleswade |
| Instal-Tech | Buckhurst Hill |
| Install Decor | Worcestershire |
| Install My Bathroom | Buckinghamshire |
| Installation And Gas Maintenance | IVER |
| Instant access locksmith | SOLIHULL |
| Instant Gas | CARDIFF |
| Instant Gas | Luton |
| Instant Plumbing and Heating | Chorley |
| Instant Plumbing Services | Ealing |
| Instant Skip Hire | 110A Beddington Lane, Croydon, Surrey |
| Instantheat Ltd | Whitefield |
| Insteel Ltd | Londonderry |
| Insulation direct ltd | Castleford |
| Insulation Direct North West Limited | Preston |
| Insync Plumbing & Heating | Mocatta house, Trafalger Place, Brighton, East Sussex |
| INTA LOCK (Your Local Locksmiths) | Coulsdon |
| INTA-LOCK LOCKSMITHS | Uppingham |
| Integral Builders Ltd | Cobham |
| Integrate Design and Build | Bristol |
| Integrated Building Solutions Ltd | Manchester |
| Integrated Systems and Technologies Ltd | Huddersfield, West Yorkshire |
| Integrated Technical Services | Hastings |
| Integration Electrical Ltd | 55a Derby Street, Manchester |
| Integrity installations, carpentry & property services | Bridgwater |
| Integrity Plumbing & Heating | lONDON |
| Intel Home | |
| Intelec Electrical Contractors | Bradford |
| Intelectrical Solutions bexleyheath | bexleyheath |
| Intellicasa | Greater London |
| Intelligent Autos | St Albans |
| Intelligent Construction Group UK | London |
| Intelligent Gardening | Cheshire |
| Intergas Solutions | Leamington spa |
| Interior & Exterior Decorating Services | London, Londonderry |
| Interior Builds | Burton-on-Trent |
| Interior Complete Co. | Greater London |
| Interior designer decorator | Greater London |
| INTERIOR GROUP | Dewsbury |
| Interior Innovation | London, Greater London |
| Interior Installers | Bedfordshire |
| Interior Motive Construction Ltd | Slough |
| Interior Property Services | Farnborough, Hampshire |
| Interior PSD Services | London |
| Interior Revolutions | 27 Floyd Close, Plymouth, Devon |
| Interior Space Design | 10 Arran Drive, Kirkintilloch, East Dunbartonshire |
| Interior Space Solutions Ltd | Surrey |
| interior360 | Antrim |
| Interior4You Ltd | Leicestershire |
| Interiors by Daniel James Ltd | Mirfield, West Yorkshire |
| Internal External Restorations | London |
| Internal Intelligentsia | Wotton-under-Edge |
| Internal Refurbishment Group | Rickmansworth |
| International Door to Door Delivery Service - | Londonderry |
| International Rescue Plumbing Division | Aldershot |
| International Tiles | Units 8 & 9 Trojan Industrial Estate, Paignton, Devon |
| Interni Deco | London |
| Interni Deco | 12 Effort Street, London |
| Interserve Facilities Management (DSA Contract) | West Bromwich |
| interskill plumbing & heating ltd | swanscombe, Kent |
| Intex Building and Maintenance | NOTTINGHAMSHIRE |
| Intex Building Solutions Ltd | Maidstone |
| Into Interiors Ltd | Surrey |
| Into Plumbing & Heating | Wickford |
| Into the Garden Room | Surrey |
| Into Trade Services | Luton |
| Intrelec | 67 Heathfield Square, London, Greater London |
| Intrinsic Kitchens | Londonderry |
| Intrinsic Spaces Ltd | Barcombe, East Sussex |
| Intrinsic Spaces Ltd | East Sussex |
| Intserv Painting | bournemouth |
| Intuo Kitchens | Surrey |
| Inventive Designs London Ltd | 4 Vincent Road, Isleworth, Borough of Hounslow - London, Greater London |
| Inverclyde Locksmiths | Greenock |
| Inverteck Limited | Inverteck Limited, Unit D8 Aldred Close, |
| Invicta Construction LTD | 10-12 Barnes High Street, Barnes,, London, London, Greater London |
| Invicta Resin and Paving Ltd | Kent |
| IO Plumbing & Heating | Lincoln |
| IO POWER | Stockport, Greater Manchester |
| Ioan Ciprian Luta | London |
| Ionesi Builders in Harrow | Harrow |
| Ionut Ionel Ile | Edgware |
| Ionuty limited | Ilford |
| IP Fencing | Herts |
| IP Landscapes & Maintenance | Reigate, Surrey |
| IP Landscapes & Maintenance | Surrey |
| IP Property Maintenance Limited | Liverpool |
| iPaint Ltd | Aberdeen, Aberdeen City |
| Ipc Interiors | |
| IPF Electrical | peterborough |
| IPH BUILDING & PLUMBING SERVICES | Hengoed |
| iPlan Kitchens Limited | West Midlands |
| Iplumb and Heat Ltd | Epsom |
| IPLUMBINGHEATING | Hastings |
| IPS Kitchens Ltd | Leamington Spa |
| Ipswich Fireplace Centre Ltd | IPSWICH |
| Ipswich Paving & Landscaping Ltd | Suffolk |
| ipswich pro plumbers and tilers | Ipswich |
| Ipswich Professional Cleaning | Ipswich |
| IPW Carpentry and Property Services | Surbiton |
| IQ Gas | London |
| Iqbal Plumbing & Heating | Oxford |
| Ireland Removals Ltd | 30 Clarges St, London, Greater London |
| IRewire | Melton Mowbray |
| IRIS Building and Services | Greater London |
| IRM | Reading |
| Ironbridge Fencing Contractors | Shropshire |
| IROS Arb | 9 Chaloner Grove, Liverpool, Merseyside |
| Irvines | Wisbech |
| Irving Plumbing, Heating And Gas | Margate |
| IS Services | Amersham |
| Isac's Cleaning Services Ltd. | ilford |
| Isaward Fencing | Hertfordshire |
| Isco Facilities Ltd | |
| Iservices-uk Ltd | London |
| Iservices-uk.org | |
| ISG Plumbing & Heating | Luton |
| Ish Kumar | Hounslow |
| Ishaq Gas Services | Rochdale |
| Island Building and Landscaping | Canvey Island |
| Island design & Construction Ltd | Greater London |
| Island Electrics Limited | |
| Island Exhibitions Residential Interiors | Greater London |
| Island Painting & Decorating | Newport |
| Isleworth Boiler Repair & Plumbing Services | 632 ? 654 London Road, Isleworth, Greater London |
| Islington Electricians | London, Greater London |
| Islington Man and Van Ltd. | Islington, Greater London |
| Islington Plumbing&heating | 26 Rowstock Gardens, Camden Rd, London, Greater London |
| Islington Removals Ltd. | 330 Holloway Rd, Islington, Greater London |
| ISR Heating Ltd | Eastleigh |
| ISS Electrical | Widnes |
| ISTA Property Maintenance | London |
| Italian Home Renovation | London |
| Italian Home Renovation | London |
| Italian Soft Leather Purses | Greater London |
| Itchen Heating Ltd | Hampshire |
| ITD Builders Ltd | Fareham |
| ItDesign | West Midlands |
| ITElec | Liverpool |
| iteQ Electrical | Christchurch |
| Itilers | Bryanstone Road, Wal |
| ITM Plumbing Services | Farnborough |
| ITP Plumbing & Heating | Coventry |
| ITS Paving | Warrington |
| ITS Paving | Cheshire |
| ITS Technical | Weston-super-Mare |
| itsoktu Limited | West Midlands |
| itsoktu Ltd | While Road, Sutton Coldfield, BIRMINGHAM, West Midlands |
| Ivan Dyshnyk | London |
| Ivan Dyshnyk | 7 Aplin Way, London |
| Ivan Plumbing and Heating | Colchester |
| Ivan Williams | London |
| IVANOV BUILDING&DECURATING LTD | Manchester |
| Ivett & Reed Ltd | 615 Newmarket Road, Cambridge, Cambridgeshire |
| Ivision Construction | Slough |
| IVOR COPELAND LTD | Witney |
| IVS Cleaning | London |
| Ivy Maintain and develop | West Sussex |
| Ivy Maintain and develop | Tiptree |
| Ivy Project Management | London |
| Ivy Project Management | London |
| Ivy Space | London, Greater London |
| Ivy Tile | 307a Finchley Road, London, Greater London |
| Ivy Tree Care | Newport Isle of Wight, Isle of Wight |
| IVZ ROOFING | London |
| IW facilities | Ryde |
| IW PLASTERING | Oldham |
| iWorktops | 15 Darklake View, Plymouth, Devon |