| Name | Location |
|---|
| I & A Plumbing Services | Simonstone |
| I & E Solutions | Wolverhampton |
| I & K Builders Ltd | London |
| I Autoworks | Barking |
| I B Cleaning | Leicester |
| I B JOINERY (SCOTLAND) LIMITED | Renfrew |
| I Cameron Plumbing and Heating | Chester le street |
| I Construction & Apprenticeships | Wigston |
| I Do Plumbing | Nelson |
| I Gas Engineers Ltd. | FAREHAM |
| I J K CARPENTRY & JOINERY | Hemel Hempstead |
| I J N Plumbing & Heating Services Limited | Hemel Hempstead |
| I Love Boilers Ltd | 108 Edgeley Road, London, Greater London |
| I Maiden Heating | Worksop |
| I Meikle Electrical Contractor | Lochgilphead |
| I Mills Electrics | 23 Allen Road, Croydon, Surrey |
| I R Hine Building | Basildon |
| I Rewire | Hamilton |
| 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.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.M.S Electrics | Plymouth |
| I.W.Blackmore | Fareham |
| IA Roofing | Canterbury |
| IAJ Decorating & Plastering | Holmwood, Dorking |
| Ian Abberley | NewcastleUnderLyme |
| IAN BARLOW BUILDERS | |
| Ian Batchelor | |
| Ian Birmingham Painter & Decorator | 10 Second Avenue, Wellingborough, Northa |
| Ian Brooks Building & Plumbing Contractors | Longcross |
| Ian Cowpland | Rye |
| 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 Groves | Penrith |
| 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 Lediard | WEST BROMWICH |
| IAN LOCKE CARPENTRY | |
| Ian Munson Painting & Decorating | Halstead |
| 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 Woan Painter & Decorator | Thornton-Cleveleys |
| Ian Young Plumbing and Heating | LEIGHTON BUZZARD |
| Ian's Garden Services | Hereford |
| IBE Heating and Plumbing | Leeds |
| Ibrahim Abdullah | Luton |
| IBuild (SW) Ltd | Plymouth |
| IC Electrical Installations Ltd | Bradford |
| IC Home Decorators Maintenance | Coulsdon |
| IC Plumbing + Heating Services | wigan |
| IC Roofing Services | Wymondham |
| ICC Construction | Oxfordshire |
| ICD Tree Services | Tarbert |
| ICL Decorating & Plastering | Evesham |
| IClean Edinburgh | Edinburgh |
| Icon Building and Landscaping | Dagenham |
| Icon Heating & Gas Services | Bletchley, Milton Keynes |
| ICR Electrics | Moulton |
| ICS BUILDERS LIMITED | cranbrook |
| ICS Decorators | Stanford-le-Hope |
| ID Building and Construction Ltd | London |
| IDD ELECTRICAL SERVICES LTD | Banbury |
| 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 Gas Ltd | Bathgate |
| Ideal Heat & Build Ltd | Romford |
| Ideal Homes Roofing & Building Contractors | Coatbridge |
| Ideal Loft Ladders South East (SE) Ltd | 8 Twisleton Court, Priory Hill, Dartford |
| Ideal Place Construction Ltd | Watford |
| IDEC Ltd | Sarisbury |
| Idor Construction | Nottingham |
| iGas Heating Ltd | Welwyn Garden City |
| IGAS SOLUTiONS LTD | Milton Keynes |
| IGB Plumbing & Heating | Clacton |
| Igniheat | Birmingham |
| Ignite boiler service limited | London |
| Ignite Electrical Division Ltd | London |
| Ignite Gas Care Ltd | Leeds |
| Ignite Heating & Plumbing | Newcastle upon Tyne |
| Ignite Heating Ltd | Caerphilly |
| IGS Electrics | London |
| IIR SERVICES | Leicester |
| IJF Heating and Plumbing Services | Pontyclun |
| IK Plumbing & Heating | London |
| IK Plumbing and Heating | Blackburn |
| IKE Plumbing and Heating Services | London |
| Ikpe Group | Harrow |
| ILEC | London |
| Ilie Jucatoru | London |
| Ilirjan Hoxha | London |
| Illumin8 Electrical Solutions Ltd | Bexleyheath |
| IM Tiles & Bathrooms | Falkirk |
| Imaa Total Plumbing | London |
| Image Carpentry | Wymondham |
| Iman-Plumber | Luton |
| Imbrex Roofing Ltd | Isleworth |
| IMK JOINERY | Glasgow |
| Impact Gasworks | NEWQUAY |
| Impact Northwest Building Contractors Ltd | Salford |
| Impact Paving | Braintree |
| Impeccable Plastering | Saffron walden |
| Imperial Installation | Ipswich |
| Impire Construction Group Ltd | Hayes |
| Impressions Plumbing and Heating Ltd | Bedford |
| Improve dont move Ltd | Blackpool |
| Impulse Electrical Services | Bedford |
| Impulse Electrics Limited | Handsworth, Birmingh |
| Imran | Birmingham |
| Imran Daniels | London |
| IMS Building | Wetherby |
| In Colour Design | Warrington |
| 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-Excess Removals Ltd | Mortimers Transport Yard, Featherbed Lan |
| In-Gas Yorkshire | |
| Inandated Furniture Co | bath |
| Incredible Landscapes | Romford |
| Independent Cleaner | WRAGBY |
| Independent Company Safety Ltd | Larne |
| Independent Decor | Edinburgh |
| Independent Vehicle Installers | Market Rasen |
| Indi Line Group Ltd | Northampton |
| Indi Tree Surgery | Coffinswell, Newton |
| Indigo Gas | Derby |
| Ineedmycarpetscleaned.co.uk | 6 Burley Close, London, Greater London |
| Infinite Roofing Limited | Epsom |
| Infinity Property Improvements Limited | 23 Wimblebury Road, Heath Hayes, Cannock |
| Inflow Heating Services | |
| ING Building Ltd | Ipswich |
| Ingram Electrical Services | Dumfries |
| Ingram's Garage Services | Liverpool |
| Ingram's Removers & Storers | 15-21 Percy Street, Bishop Auckland, Cou |
| Inhome Services | Ossett |
| Initial Plumbing | Aberdare |
| Inkerman Building & Roofing Co | Luton |
| Inline Heating Services | Milton Keynes |
| Inline Mechanical Building Services limited | Bradford |
| Inline Removals & Storage Ltd | Unit 6 Thames Road, London, Buckinghamsh |
| InLocks Local Locksmiths | 11 Lynceley Grange, Epping, Essex |
| Inner City Plumbers Ltd | London |
| Inner City Refurbs Ltd | Bexleyheath |
| Innovate contractor | London |
| Innovate Design Services | Doncaster |
| Innovate Design Systems | 38 West Street, Dorking, Surrey |
| Innovate EV & Electrical Ltd | Wigan |
| INS Air Conditioning Ltd | Ruislip |
| Inside Out | Cwmbran |
| Inside Out Building & Landscaping Solutions Ltd | Rowley Regis |
| Insite Sepecialists | Eastbourne |
| Insomnia IT Systems | 3 Kinder Road, Inkersall, CHESTERFIELD, |
| Inspec Electrical Contractors Ltd | Milton Keynes |
| Inspect-a-Drain Ltd | Ashbourne |
| Inspector Electrical | Waterlooville |
| Inspiral | Reading |
| Inspiral Construction | Chertsey |
| Inspiration Central Engineering | WEST DRAYTON |
| Inspired Building Projects Limited | 12 Edgehill Road, Chislehurst, Kent |
| Inspired Building Services Ltd | Norwich |
| Inspired Electrical Contractors Ltd | Aldershot |
| Inspired Homes Property Maintenance | Southend-on-Sea |
| Instaa Gas Ltd | Leeds |
| Instaheat Ltd | Biggleswade |
| Instal-Tech | Buckhurst Hill |
| Installation And Gas Maintenance | IVER |
| instant access locksmith | SOLIHULL |
| Instant Gas | CARDIFF |
| Instant Gas | Luton |
| Instant Heating & Property Maintenance | Sheffield |
| Instant Plumbing and Heating | Chorley |
| Instant Plumbing Services | Ealing |
| Instantheat Ltd | Whitefield |
| Insulation direct ltd | Castleford |
| Insulation Direct North West Limited | Preston |
| INTA LOCK (Your Local Locksmiths) | Coulsdon |
| INTA-LOCK LOCKSMITHS | Uppingham |
| Integral Builders Ltd | Cobham |
| Integrated Building Solutions Ltd | Manchester |
| Integrated Technical Services | Hastings |
| Integrity installations, carpentry & property services | Bridgwater |
| Intel Home | |
| Intelec Electrical Contractors | Bradford |
| Intelligent Autos | St Albans |
| Intergas Solutions | Leamington spa |
| INTERIOR GROUP | Dewsbury |
| Interior Motive Construction Ltd | Slough |
| Interior PSD Services | London |
| Internal Intelligentsia | Wotton-under-Edge |
| Internal Refurbishment Group | Rickmansworth |
| International Rescue Plumbing Division | Aldershot |
| Interserve Facilities Management (DSA Contract) | West Bromwich |
| Intex Building Solutions Ltd | Maidstone |
| Into Plumbing & Heating | Wickford |
| Inverclyde Locksmiths | Greenock |
| Inverteck Limited | Inverteck Limited, Unit D8 Aldred Close, |
| IO Plumbing & Heating | Lincoln |
| Ioan Ciprian Luta | London |
| Ion Homes Limited | Manchester |
| Ionut Ionel Ile | Edgware |
| Ionuty Ltd | Ilford |
| IP Gardens | Wellingborough |
| IP Property Maintenance Limited | Liverpool |
| Ipc Interiors | |
| IPF Electrical | peterborough |
| IPH BUILDING & PLUMBING SERVICES | Hengoed |
| Iplumb and Heat Ltd | Epsom |
| Ipswich Fireplace Centre Ltd | IPSWICH |
| ipswich pro plumbers and tilers | Ipswich |
| Ipswich Professional Cleaning | Ipswich |
| IPW Carpentry and Property Services | Surbiton |
| IQ Gas | London |
| Iqbal Plumbing & Heating | Oxford |
| IRewire | Melton Mowbray |
| IRM | Reading |
| Irvines | Wisbech |
| Irving Plumbing, Heating And Gas | Margate |
| Iryna's Cleaning Ltd | Isleworth |
| IS Services | Amersham |
| 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 Electrics Limited | |
| Island Painting & Decorating | Newport |
| Isparkservices | London |
| ISR Heating Ltd | Eastleigh |
| ISS Electrical | Widnes |
| ITD Builders Ltd | Fareham |
| ITElec | Liverpool |
| iteQ Electrical | Christchurch |
| Itilers | Bryanstone Road, Wal |
| ITM Plumbing Services | Farnborough |
| ITP Plumbing & Heating | Coventry |
| ITP Plumbing and Heating Specialists | Stockport |
| ITS Paving | Warrington |
| ITS Technical | Weston-super-Mare |
| Ivan Plumbing and Heating | Colchester |
| Ivan Williams | London |
| IVANOV BUILDING&DECURATING LTD | Manchester |
| Ivision Construction | Slough |
| IVOR COPELAND LTD | Witney |
| IVS Cleaning | London |
| IW facilities | Ryde |
| IW PLASTERING | Oldham |
