| Name | Location |
|---|
| G & A Ellis Heating (Lincs) | Lincoln |
| G & A Plumbing & Heating | ARLESEY |
| G & B Autos & Tyres | Welwyn garden city |
| G & D Plumbing | |
| G & F Panels | Leytonstone london |
| G & G Plumbing | |
| G & G's Autos | BRIGHTON |
| G & M Locksmiths | Stocksbridge, Sheffi |
| G & O Heating | Harlow |
| G & T Granite & Tiling Services | Holyhead |
| G & W (Gas and Water) | Worcester |
| G 4 Heating | |
| G A Builders & Decorators | London |
| G A Headlam | GODSHILL |
| G A L Electrical | |
| G Allan Joinery Services | Dulnain bridge |
| G and S Services Bham Ltd | Birmingham |
| G B BUILDERS HOME REPAIR | |
| G B Plumbing and Gas Solutions | manchester |
| G Bayley Plumbing & Heating | |
| G Burgess Electrical | |
| G C M Electrical Services | Southampton |
| G Clark Plasterers | Watford |
| G Collins Fencing | Pangbourne, Reading |
| G Connel Plumbing Services | Wigton |
| G Connel Plumbing Services | Oulton wigton cumbri |
| G D Builders | Bradford |
| G D Home Improvements | North Baddesley, Sou |
| G E B Gas Services | |
| G E Desroches | HUNSTANTON |
| G F G Heating Services | |
| G H A P Gas Heating and Plumbing | Prenton |
| G H Electrical | Poole |
| G Harley | Leyland |
| G Harrison Electrical Ltd | |
| G Hill Electrical | |
| G Hudson Roofing Ltd | Harrogate |
| G I Plumbing & Heating | Cambridge/ST Ives ar |
| G Iles | |
| G J Kidd Electrical Contractors | |
| G J Lewis Plumbing & Heating | Chepstow |
| G J LYNCH BUILDING CONTRACTOR | maldon |
| G J MANN (SERVICE GAS CARE) | |
| G J S Mobile Mechanic | Newton abbot |
| G K M PLASTERING | |
| G Kean Heating & Plumbing Services | |
| G KELLY & SON LTD | |
| G L E S SERVICES | Leeds |
| G L Service & Installation | Sutton |
| G L Williamson Plumbing & Heating Services | |
| G Liguori | |
| G M Electrical | Harlow |
| G M F GENERAL BUILDERS | Peterborough |
| G M Property Services | |
| G M Steward | Manchester |
| G MELLOR (UK) LTD | |
| G Mercuri Electrics | Chesterfield |
| G Moves | London |
| G Mulholland Heating | MOTHERWELL |
| G Munn & Son Ltd | Birmingham |
| G N Electrical Ltd | Truro |
| G N Heating & Gas | |
| G O Carey | Ryton |
| G P Davies Gas Services | buckley |
| G P H BUILDERS LTD | Portsmouth |
| G P Renovate Building Services Ltd | |
| G Plumbing | |
| G Potts Plumbing & Heating Limited | |
| G Proctor Electrical | Bournemouth |
| G R & Son | Swindon |
| G R B BUILDERS | |
| G R Carpentry Ltd | |
| G R Electrics | |
| G R Holmes Heating 'n' Plumbing | |
| G R MAKEHAM LTD | |
| G R S ELECTRICAL LTD | Rochdale |
| G Reardon | Allington |
| G Rose | |
| G S A Plastering Contracts | Blackpool |
| G S B DEVELOPMENTS | Nottingham |
| G S Carpentry | |
| G S Craft Ltd | |
| G S Electrical | |
| G S Electrics | |
| G S Gas Services | Bradford |
| G S Heating | Rushden |
| G S Heating & Electrical Ltd | Marlbrook, Bromsgrov |
| G S Plumbing | Rochester ME1 2EB |
| G Smith Electrical | |
| G T CARPENTRY | Reading |
| G T Motor Services | |
| G W PLUMBING & HEATING | |
| G W Plumbing and Heating Services | Ware |
| G Washington Heating Engineer and Gas Service Specialist | Plymouth |
| G White & Son | Bideford |
| G Wills | Guilford |
| G Wilson Building & Roofing Services | Birmingham |
| G&C Plumbing and Heating | London |
| G&E Electrical Services | Newtownabbey |
| G&H Gas and Heating | London |
| G, Kelly | sawbridgeworth |
| G-6 Security Systems Ltd | Leicester |
| G-Electrician | Biringham |
| G. Goodman Electrical | Snodland |
| G. O. Bathroom & Plumbing Services | Orpington |
| G.A. Plumbing & Heating | st albans |
| G.A.S Heating & Plumbing | Burton on trent |
| G.A.S Solutions | Exeter |
| G.C Fox | Kirton holme boston |
| G.C Garden & Property Services | Potters bar |
| G.C. Electrical | |
| G.D.C Plumbing & Heating | Ilfracombe |
| G.I Builders | |
| G.K Automotive | Maldon |
| G.M Plumbing & Heating Services | |
| G.M.G.U.K Ltd | Dagenham |
| G.M.I Plastering & Refurbishment | Kenilworth |
| G.O. Services Plumbing and Heating | Basildon |
| G.R. - Carpentry | London |
| G.R.Barnes | |
| G.S Carpentry | |
| G.S Plumbing & Heating Services | |
| G.S. Gas Solutions | Pontypridd |
| G.Tagg | Suffolk |
| G10 Plumbing & Heating | Enfield |
| G6 CARPENTRY and PROPERTY SERVICES | ERITH |
| GA Builders | Derby |
| GA Plumbing & Heating Services | |
| Gabis Bespoke Paintings | London |
| Gabriel Cancel | London |
| Gainforce | |
| Galbraith Moves | |
| Gallo Carpentry | |
| Galvanis Eletric | Crewkerne |
| Ganimet Carpet Cleaning NW | |
| Garage Doors And More | Twickenham |
| Garage VIP Ltd | |
| Garcia Building Services | |
| garden & landscaping | ongar |
| Garden Bling Garden Services | Chingford |
| Garden care care uk | Bampton |
| Garden Crafts & Services | meltonmowbray |
| Garden Kare Scene Ltd | Stoke on trent |
| Garden Maintenance | |
| Gardener Greg | Shirehampton, Bristo |
| Gardening for You | |
| Gardening Indeed Ltd | London |
| Gardening Life Ltd | London |
| Gardens4u.co.uk | shropshire |
| Gareth C Symons Electrical Services | Exeter |
| Gareth Henderson | Torquay |
| Gareth Judge | harrow |
| Gareth Reid Joinery & Construction | |
| Gareth W Edwards (Electrical) | |
| Garmik Gas Services | |
| Garrett Plumbing Services | |
| Garry Adrian Cook Limited | London |
| Garry Baldwin | |
| Garry Randall | |
| GARSTON DECOR | |
| Gary Adams | Durham |
| Gary Aplin | swindon |
| Gary Crossland Technologies | Peterborough |
| Gary Davies T/A Electrical Contractor | |
| Gary Frost Painting & Decorating | |
| GARY G BOND LIMITED | |
| Gary Gardner | Isle of gigha |
| Gary Gibson Heating & Plumbing | |
| Gary Green Electrical | Kings Lynn |
| Gary Hammond | |
| GARY HAND HOME IMPROVEMENTS | Leighton buzzard |
| Gary Hassall | Manchester |
| GARY INGHAM JOINERY & BLDG LTD | Halifax |
| Gary James Property Maintenance | |
| Gary James Renovations | Godalming |
| Gary Kite | |
| Gary McVittie Plumbing and Heating Services | |
| GARY PHILLIPS | |
| Gary the Gas | |
| Gary Thomasson Electrics | |
| Gary Ward Plastering | |
| Gary Westbrook | Ramsgate |
| Gary Yates | Plymouth |
| Gary Young Plumbing & Heating | Southampton |
| Gas & Electrical Facilities | |
| Gas 365 Ltd | Longstanton, Cambrid |
| GAS AID | |
| Gas and Heating Engineers Limited | |
| Gas and Heating Think Tank (GHTT) | London |
| Gas and Oil Ltd | stokesley |
| Gas Boiler & Heating Repair Ltd | Bromley |
| Gas Boiler Installations Ltd | |
| Gas Brothers | Hinckley |
| Gas Care | |
| Gas Care & Repair | Roughton |
| Gas Consultancy Services | Liverpool |
| Gas Engineering Ltd | London |
| Gas First Ltd | |
| Gas Girls | |
| Gas Group | Harlow |
| Gas Guru | Stevenage |
| Gas HBC Ltd | Nottingham |
| Gas Heat Plumb Services | Newcastle under lyme |
| Gas Heat Scotland | Paisley |
| Gas Heating Solutions | Manchester |
| Gas Help Ltd | |
| Gas Kings | Ipswich |
| Gas Lass | Harrington |
| Gas Line UK | |
| Gas Link Uk | |
| Gas Maintenance | |
| Gas Man & Plumber | London |
| Gas Mark | |
| Gas Mark 1 London Ltd | Beddington |
| Gas Medics | |
| Gas MK 1 Ltd | |
| Gas Monkey Heating Ltd | |
| Gas Plumber on Call | Leeds |
| Gas Plumbing & Heating | Rochdale |
| Gas Point Scotland | Musselburgh |
| Gas Pro | |
| Gas Products Fitting & Servicing | gourock |
| Gas Ray | |
| Gas Route | Seaham |
| Gas Safe | Edinburgh |
| Gas Safety Heating Services | |
| Gas Safety Wales | |
| Gas Serve NW | Eastham |
| Gas Service Plus | |
| Gas Service Solutions | Carlisle |
| Gas Service.Wales | |
| Gas Services | Surrey |
| Gas Services Inst & Maint | Leeds |
| Gas Smart | Stoke On Trent |
| Gas Smart Heating Limited | Brighton |
| Gas Solutions | |
| Gas Taskforce | Batley |
| Gas Tec | Stockport |
| Gas Tech (Shropshire) Ltd | Bayston Hill, Shrews |
| Gas Tech UK Plumbing & Heating Services | London |
| Gas Worx | Southampton |
| GAS-R Services | |
| Gas-Services | Harrow |
| Gas-Tec | |
| Gas2Loo | |
| Gas4u | PORTSMOUTH |
| GasCare | Milton keynes |
| Gascon Plumbing & Heating Ltd | newton abbot |
| Gascraft UK | Mossley |
| Gasfit | |
| Gasforce Wales | Cardiff |
| Gasforce Wales | Rhondda Canon taff |
| GasGo Heating & Plumbing | Enfield |
| GasHeat | London |
| Gask Technical Services Limited | Glasgow |
| Gaslords | Barnet |
| Gasmark 1 Ltd | manchester |
| GasPol | Hastings |
| GasPower | |
| GasSense Heating and Plumbing Limited | ColindAle |
| GasTec Heating Services | Blackburn |
| Gastech Heating & Plumbing | Blackwood |
| Gastech Installations Ltd | |
| Gastech Plumbing and Central Heating | |
| Gastech(NW) Ltd | |
| GASTIGHT | Plymouth |
| Gastrade | |
| Gasways | Reading |
| Gaswise uk | Nottingham |
| Gatbuilder | |
| Gater construction | Oldham |
| Gateshead Heating Ltd | Gateshead |
| Gavgas Plumbing & Heating Services | Barnes |
| Gavin Jones | Treharris |
| Gavin Major T/A MPH Services | |
| Gavin Smith Plumbing and Heating | |
| GAVIN TRIPNEY JOINERY SERVICES | Alyth |
| Gavin Weale Electrical Services | Merthyr tydfil |
| Gavin Wyllie Plumbing & Heating Services | |
| GB Brickwork | |
| GB Building & Plastering ltd | Bristol |
| GB Courier Services | |
| GB Electrician | |
| GB ElectriX | Wolverhsmpton |
| Gb joiners and builders | Denny |
| GB Plastering | Poulton Le Fylde |
| GB Plumbing And Heating | |
| GB Trees | Portsmouth |
| GBB Electrical Services Ltd | Harlow |
| GBK Window Cleaning Services | Cheshunt |
| GBO Engineering Ltd | Harrow |
| GC Contract Cleaners | |
| GC Electrical Contractor | Edmonton |
| GC Joinery | Huddersfield |
| GC Plastering | Waltham abbey |
| GC Property NE Ltd | Brunswick Village, N |
| GCM Decorators | helensburgh |
| GCS | Reading |
| GD Carpentry | st Austall |
| GD CONSTRUCTION | London |
| GD Electrics | Ifield, Crawley |
| GD Kellett Joinery | Doncaster |
| GD Property Maintenance | Bideford |
| GDB Electrical | |
| GDI Air Conditioning Specialists Ltd | Manchester |
| GDJ BUILDING & JOINERY LTD | |
| GDM Plumbing | |
| GE Heating and Gas | |
| Gebur Limited | |
| Ged Asbery Electrician | |
| Ged Moore Electrical | Wallsend |
| Geez Plumbing | Hailsham |
| Gemini Electrical Services Yorkshire | Carlton, Goole |
| GEMINI LOCK & SAFE | Bedford |
| Gemini Properties T/A Simon Donovan | Ongar |
| Gemmas Plumbing and Heating Services | |
| Genelec Services | |
| Gener8 Power & Efficiency Ltd | Inverurie |
| GENERAL BUILDERS | |
| General Building Plumbing & Heating Ltd | |
| General Building Services (Southampton) Ltd | |
| GENERAL BUILDING WORK | |
| General Decorators | London |
| General Heating Plumbing & Solarheat | Padstow area |
| Genesis London Ltd | |
| Genius Motor Mechanic | |
| Genty's Painters & Decorators Ltd | Coulsdon |
| Geo Gas Services London Ltd | Haywards heath |
| George Ayre | Crook |
| George Bryan Heating & Plumbing | Wallasey |
| George Mackie Decorating | Bathgate |
| George Plumbing & Stuff | Hayes |
| George Popan Painter & Decorator | |
| George Ursu Alexandru | Northampton |
| George Williams | |
| Georgi Muklenov | |
| Gerard Joinery | Leeds |
| Gerard Skilling Painter & Decorator | |
| Ges heating solutions | Llanfairfechan |
| GES Mechanical Ltd | Doncaster |
| Get Carter UK 365 Ltd | |
| Get Gassed | Hemel Hempstead |
| Get HQ Builders | London |
| Get Plastered! | Ripon |
| Getaway Moves | |
| GFE | Preston |
| GG Energy | |
| GG Gas & Plumbing Services | |
| GGB Heating Solutions | Rotherham |
| GGL Fencing and Tree Professionals | Stoke St. Milborough |
| GH Tiling | |
| Ghani Constructions | |
| GHI MultiSolutions | Kirkcaldy |
| Ghotra Heating & Plumbing | |
| Giant Contracting Ltd T/A GCL Services | |
| GIB Interiors UK Ltd | |
| Gibsons Property Services | Thornaby, Stockton-o |
| Gidney Plumbing & Heating Ltd | Haughley, Stowmarket |
| Gifford Property Services | Havant |
| Gigau Electrical Ltd | Lomdon |
| Gigelmotors | Harrow |
| Gilbert Plastering | Somerset |
| Gilco Heating | Liss |
| Gillingham Carpentry Services Ltd | Gillingham |
| Gisborough Project Services Ltd | Guisborough |
| Gisbourne Electrical | |
| Giurgiu | |
| GJ Auto Mobile Mechanic Stevenage | |
| GJ Electrics Ltd | |
| GJ JOINERY | |
| GJ Marshalls Ltd | DEVORAN,TRURO |
| GJ Roofing | West Byfleet |
| GJ Sandblasting | |
| GJC Electrical Services Ltd | |
| GJL Carpentry & Joinery Installations | |
| GK Plastering | |
| GK Removals | Dundee |
| GK Services | Gosport |
| GK STONEMASONS | Glasgow |
| GKA DEVELOPMENTS LTD | |
| GKPdrylining | |
| GL Drainage Services | Leicestershire |
| GL Electrical Solutions Limited | Mossley. Lancashire |
| Glamaig Rail Ltd | Bellshill |
| Glebe Services | Bakewell |
| glen Jordan Garden Maintenance.co.UK | |
| Glen Overton | |
| Glenavon Joinery & Construction Services Ltd | Strathaven |
| Glenco plumbing and heating Milton Keynes | Milton Keynes |
| Glencroft Builders Ltd | |
| GLENN JOYCE BLDNG & ROOFING LT | Driffield |
| Glenthorpe electrical ltd | |
| GLH Removals & Deliveries | scarborough |
| Glide Cleaning Ltd | Andover |
| Glindon Electrical | |
| GLM Plumbing & Heating Services | Churchcrookham |
| Glo Heating | |
| Global Communications (Wales) Ltd | Pembroke Dock, |
| Gloheat | Nuneaton |
| Gloucester Boiler Services Ltd | |
| Glow Electrical & Construction | |
| Glowarm Contractors Limited | Luton |
| GloWell Gas & Heating Services | |
| Glowheat (Devon) Ltd | |
| GLR Construction and Flood | Baildon |
| GLS Plumbing & Heating Ltd | Hull |
| GLS plumbing and heating solutions | Chelmsford |
| GLW Electrical | Hull |
| GM Car Repairs | |
| GM ELECTRICAL | Peterborough |
| GM Electrical | |
| GM Electrical Solutions Ltd | |
| GM Environmentals | Glasgow |
| GM Frake Plumbing & Heating | |
| GM GARDEN SERVICES | |
| GM Gas & Heating Engineer | |
| GM Mathers Plumbing & Heating | Liverpool |
| GMC Construction | Dungannon |
| GMC Plumbing & Heating Services | Halifax |
| GMCB | Glasgow |
| GMD Roofing | Poole |
| GMJ Walker | |
| GMK Builders & Joiners | |
| GMRS | Murton, Seaham |
| GMS Carpentry | Essex |
| GMS joinery services limited | Thurnscoe Rotherham |
| GMS Plumbing and Heating | Johnston Haverfordwe |
| GNM Mechanical Ltd | |
| Gnys | |
| Go gas | London |
| Go-Pro Removals | London |
| Gocargo Services | Worcester |
| GODDEN BUILDING SERVICES | |
| Godfrey Gas Services | Caldicot s wales |
| Godwins Removals | London |
| Goheat LTD | Greenford |
| Going Green Renewables Ltd | Mytchett |
| Gold Decorating Ltd | Leeds |
| Gold Oak Garden Services | Carew Road, Wallingt |
| GOLD STAR CLEANING COMPANY | Petersfield hampshi |
| Goldcrest Plumbing and Heating | Hartlepool |
| Golden Garden | |
| Golden Glow Heating & Plumbing Ltd | East Kilbride |
| Golden Lion Construction Ltd | Edgware |
| Golden Memories Ltd | Croydon |
| Golden Plumbing and Heating Services | Bristol |
| Golden-Hand | Newmarket |
| Goldi-Locksmith Ltd | Poole |
| GOLDILOCKS LOCKSMITHS | New Quay ceredigion |
| Goldsmith & Sons | Corringham |
| GOLDSTAR CONSTRUCTION | |
| Goldstone Plumbing & Heating | |
| Goldworks Property Maintenance | London |
| Good Painters | |
| Gooderham Horticulture Ltd | Watton |
| Goodey Services Limited | Colchester |
| Goodmans Gas | Manchester |
| Gopherwood Carpentry | |
| Gordon & Sons Painting & Decorating | Darlington |
| GORDON BELL TREE SERVICES | carluke |
| Gordon Brown Plumbing and Heating | Motherwell |
| Gordon Pettett Painting & Decorating Contractors | |
| Gordon Slater | |
| GOSBEE CONSTRUCTION | |
| Gower Barnard Ltd | Bedford |
| GP Builders | |
| GP CERAMICS | Northampton |
| Gp Electrics | |
| GP Plumbing and Heating | Workington |
| GP Plumbing and Heating | Minehead |
| GP Property Maintenance | Hertford |
| GPC Leisure Developments Ltd | WINDERMERE |
| GPE Engineers | Edinburgh |
| Gper Property Services Ltd | Rotherham |
| GPK | Crofton, Wakefield |
| GPL Tiling Co | |
| Gps building.com Ltd | lydney |
| GPS Carpentry | east huntspill |
| Gps Joinery | Nottingham |
| GPS Plastering | |
| GPSI | |
| GR Builders | |
| GR JOINERS | risca |
| GR Plumbers | |
| GR8 CONSTRUCTION AND CARPENTRY | Camberley |
| Graeme Davies Plumbing and Heating | |
| Graeme McDonald Heating and Plumbing | |
| Graeme Rudd Plastering | Milton Keynes |
| Graeme walker | Sunderland (Tyne & Wear) |
| Graham Coutts Plumbing & Heating Ltd | Aberdeen |
| Graham Downs Electrical Contractor | Otley |
| Graham Elder Painting & Decorating | Harrow |
| Graham Gamble | Kirkbymoorside |
| graham halpenny decorators ltd | CAMBRIDGE |
| Graham Halpenny Decorators Ltd | Cambridge |
| Graham Hitchcock Electrical | Selston Nottingham |
| Graham Jagger Electrical Services | Dewsbury |
| Graham joinery services | |
| Graham Rowntree Ltd | |
| Graham Runham | |
| Graham Smithers | East Grinstead |
| Graham Stewart Plumbing & Heating Services Ltd | |
| Graham Strickland | Preston |
| Graham William Stringer | |
| Graham's Plumbing & Heating Services | Ipswich |
| Grand Central | |
| GrandVay Solutions | Darlington |
| Grange Landscaping Services | Basildon |
| Grant Ardren | Taunton somerset |
| Grant Clark | St Leonard's on sea |
| Grant Cross | |
| Grant Laird | |
| Grant of Buckie (International Transport) Ltd | Buckie |
| Grant Ogilvie & Son | St Albans |
| Grant Roser-Ward | Hove |
| GRANT STEWART CONSTRUCTION LTD | Rotherham |
| Grant's Joinery | Southport |
| Grasshopper Gardening | |
| Gray's Facilities and Maintenance Services Ltd | Winchester |
| Gray's Facilities and Maintenance Services Ltd | |
| Grays Electrical Engineering Limited | |
| Grays Gas Services | |
| GRD Local Locksmith Ltd | sutton |
| Greater London Gas Plumbing and Heating Services | |
| Greater Manchester Business Services Ltd | Kearsley, Bolton |
| Green & Clean Gardening Services | |
| Green 4 Logistics | Stoke-on-Trent |
| Green Acres | Newcastle upon tyne |
| Green and Vale Joinery | Burton-on-Trent |
| Green Building Services | |
| Green Clean | Enniskillen |
| GREEN DEAL HEATING & PLUMBING INSTALLATIONS LTD | CHESTERFIELD |
| Green Deal Solutions | Guilsborough |
| Green Deal Trades | Leeds |
| Green Dragon Heating & Plumbing | Tywyn |
| Green Drainage & Plumbing Ltd | Southampton |
| Green Energy Solutions (NW) Ltd | |
| Green Exteriors Ltd | Rotherham |
| Green Fingers Garden Services | Plymouth |
| Green Fleet Electrical Ltd | Bournemouth |
| Green Frog Electrical Ltd | Leek |
| Green Heat | |
| Green Living Landscapes | |
| GREEN MACHINE TREE SERVICES | Mansfield |
| Green Plumbing & Carpentry | |
| Green Room Plumbing | Braunton |
| Green View Projects Electrical Division | halifax |
| Green World Installations Ltd | |
| Greenbank Garden Services | |
| Greener Electrical | Reading |
| Greener Lighting | |
| Greenfields 24 Hour Recovery | Hilton Derbyshire |
| Greenfields Heat And Power Ltd | |
| Greenfinch Wyre Forest Solution4u (Home and Garden maintenance & Clea | Kidderminster |
| GREENFINGERS ARBORICULTURALISTS | Billericay |
| Greenhaus contractors | Hebden Bridge |
| Greenland Solar | |
| Greenlife Contractors | London |
| GREENLINE LANDSCAPES SW LTD | |
| Greenscenes | Fareham |
| Greenshield Plumbing and Heating | Basildon |
| Greensmobilemechanics | New inn |
| Greenspark Electrical | ware |
| Greenstar Heating | |
| Greenstripes Garden Services Derby | |
| Greentree Heating, Plumbing & Solar | |
| Greenways Electrical Ltd | Bynea, Llanelli |
| Greenwood Garden Maintenance | |
| Greenwood Joinery | |
| Greg Carter | Cheltenham |
| Greg Decorating Services | Morden, London |
| Greg Thirtle | Brighton |
| Greg Watkin | |
| Gregor | |
| Gregory | |
| Gremis Property Maintenance | Manchester |
| Griff Electrical | |
| Griffin building contractors | Cardiff |
| Griffin Electrical Solutions Ltd | Camberley |
| Grime Busters | |
| Gripp Construction | Pembroke |
| GRITTLETON HOUSE | |
| GRM Heating | Bexhill |
| GRM Heating | |
| GroundTherm ltd | Dukinfield |
| Groundwork & Paving Solutions Ltd | |
| GROUNDWORKS & CONSTRUCTION CO | |
| Group Cleaning | MAGHERAFELT |
| Grove Heating Limited | Ickenham |
| Grubb Roofing & Painting Contractors Ltd | Kinglassie, Lochgell |
| Grubcio | Bournemouth |
| GRW Electrical & Data Communications Limited | |
| Grzegorz Wojcik | |
| GS CERAMICS LTD | |
| GS Craft Ltd | Great Easton |
| Gs Electricians | Leighton Buzzard |
| GS Smart Heat | Stockport |
| GSH Plastering | PRESTON |
| Gsi-Gas | Northants |
| GSR Plumbing and Heating Services | Dudley |
| GSR Services London Ltd | Thornton Heath |
| GT Electrics Ltd | WELWYN GARDEN CITY |
| GT Heating Fairtrade | |
| GT Services | Cambridge |
| Gta Property Services | |
| GTH Electrical | Edinburgh |
| Guard Gas | |
| Guardian Locksmith Services | |
| GUD Builders | St.helens |
| GUILDFORD MASTER LOCKSMITHS | |
| GUNA Fitter | |
| Gurkha Builders & Decorators | |
| Gurkha Motors Ltd | edgware |
| Gurmeet Singh Soar | |
| Gusttydo Ltd | Dagenham |
| Guthrie Joiners & Builders | Paisley |
| Gutu Construction Ltd | Bushey Grove Road, B |
| Guy Maintenance | Clacton-on-sea |
| GW Brickwork | London |
| GW Building Solutions | |
| GW Electrical Contractors Limited | Bexhill On Sea |
| GW Gas Services | Sheffield |
| GWB Building Contractors (Manchester) Ltd | |
| Gwyn Tomkinson Plumbing & Heating | |
| Gym Service UK | Cambourne |
| GZ Electrical Contractors | |