| Name | Location |
|---|
| B & B Building & Property Maintenance | Cromer |
| B & C ATKINSON LTD | Egremont |
| B & H Builders | Gerrards Cross |
| B & H DESIGN & BUILD LTD | Aylesbury |
| B & K Boiler Services Ltd | Blackwater |
| B & M Partners | London |
| B & M Plastering | Wigton |
| B & S Electrical Engineers & Contractors | Newport south wales |
| B & T Services | Eastbourne |
| B A Moss Builders | York |
| B and M Maintenance Team | Dunstable |
| B B K Heating Services | Northampton |
| B C Electrical | Corby |
| B C Plumbing And Heating | Hounslow |
| B C S Building Carpentry Services | Bournemouth |
| B Coles Plumbing & Heating | Plymouth |
| B Dale Building Construction Ltd | Barnby Dun, Doncaste |
| B Dodds Technical Services | Perth |
| B G Davies | Blackwood gwent |
| B G Joiners | Glasgow |
| B G R Electrical Ltd | Leeds |
| B Goddard Electrical Contractors | Whitstable |
| B H G M Ltd | Birchington |
| B H Plumbing & Heating | Brentwood |
| B Lawrence Carpentry | Towcester |
| B M Electrical Services | Chatham |
| B M N Electrical Services Ltd | London |
| B Martin Heating and Plumbing | Southend-on-Sea |
| B S Electrical | Edgware |
| B S Electrical Services UK Ltd | London |
| B S Electrotech Services | Hayes |
| B Safe Gas Services | Sheffield |
| B T D Building Contractors Ltd | Rochester Kent |
| B THOMPSON JOINERY | Tranent |
| B W Oxford Builder | bemridge |
| B W Plumbers Ltd | Maylandsea |
| B Webb Plastering & Property Maintenance | Burgess Hill |
| B Williams Electrical Ltd | Warrington |
| B Wyper Plumbing and Heating | Kilmarnock |
| B&B London Construction Ltd | Enfield |
| B&C Carpentry | Hemel Hempstead |
| B&m Plumbing | Rossendale |
| B&N ELECTRICAL | London |
| B&P Electrics | Liskeard |
| B&R Electrical contractores Ltd | New Milton |
| B&S Builders | London |
| B's Knees Cleaning Ltd | Coventry |
| B-R-L | London |
| B-Tech Racing Ltd | Bradford |
| B. Baah & Co Plumbing and Heating | Luton |
| B. Hadfield Gas Services | Ryde |
| B.A.C Cleaning Services Ltd | Camberley |
| B.B Plumbing & Heating | Scunthorpe |
| B.C Rees Plumbing & Heating | Llanelli |
| B.C.G Joinery | Galashiels |
| B.E.S Best Electrical Services | Lymington |
| B.G.H Engineers Ltd | Barking |
| B.Groves Plastering | Hemel Hempstead |
| B.P. Jermy Electrical Services | Mundford, Thetford |
| B2B Heating Ltd | Thorntonheath |
| Baberton Plumbing & Heating | Edinburgh |
| BAC BUILDING SERVICES LTD | bournemouth |
| BAC Home Improvements Ltd | Worcester Park |
| Baddow Electrical Services | Chelmsford |
| Bailey Gas & Heating Ltd | Westcliff-on-Sea |
| Bailey Joinery | Harrogate |
| Baillie Wood | Hemel Hempstead |
| Baker & Son Gardening Service | Stockton-on-Tees |
| Baker Developments | York |
| Baker Electrical Services | Ashbourne |
| Baker Electrical Services Limited | Northolt |
| Bakers Building Maintenance | Widnes |
| Bakhtawar Heating Engineer | London |
| Balbir Singh | Rugby |
| BALBY LOCKSMITH CENTRE | Doncaster |
| Baldwin Builders | Ringmer |
| BALDWIN MECHANICAL SERVICES | Ross-on-Wye |
| BALECOURT BUILDERS LIMITED | rickmansworth |
| BALMORAL BUILDING SERVICES LTD | Bonnyrigg |
| Bam Painting & Decorating | Haverhill |
| Bamco Plumbers | Rhyl |
| Bamis Tech Solutions Ltd | Bolton |
| Bancroft Plumbing & Heating Ltd | Doncaster South York |
| Banga Decoration | Thornton Heath &croy |
| Bangor Driveway & Patio Cleaning Graffiti Removal | Bangor |
| Bangor Plastering | Bangor |
| Bantry Construction Limited | High Wycombe |
| Bar Deck | Preston |
| BARDON ELECTRICAL SERVICES LIMITED | Hornchurch Essex RM1 |
| Barker Building and Architects | Chester |
| Barker Industrial Services Limited | Skelmersdale |
| Barlborough Electrical | Chesterfield |
| Barlow Gas Services Limited | Budleigh salterton |
| Barlow Maintenance | Bolton |
| Barlows Electrical Ltd | Gateshead |
| Barnaby Wolf Limited | Cambridgeshire |
| BARNES & LIDDIARD ELECTRICAL CONTRACTORS LIMITED | Alresford |
| Barnes Plumbing & Heating | Norwich |
| Barnet Plumbers Ltd | London |
| Barratt Electrical | Burbage, Hinckley |
| Barrett Drainage, Plumbing & Heating | St albans |
| Barrett Heating | Sible hedingham |
| Barrie Booker | Barry |
| Barrow Heating | Chester |
| BARRS ELECTRICAL SERVICES LTD | Stoke on trent |
| Barry Blackman | Brighton |
| Barry Caswell Plumbing | Saint Leonards-on-sea |
| Barry Chadwick Electrical Contractor | Stafford |
| Barry David May | London |
| Barry Pemberton Heating | East Sheen |
| Barry R. Eglesfield | Leighton Buzzard |
| Barry removals | London |
| Barsan Electrical | Croydon |
| BARTek builders | Woking |
| Bartlett Heating | Plymouth |
| Barton & McCormick Construction Ltd | Biggleswade |
| Barton Electrical (Ipswich) Ltd | Ipswich |
| Barts Construction ltd | Croydon |
| Basingstoke Property Services | Basingstoke |
| Bason Plumbing & Heating | Northampton |
| BATEMAN PAINTING & DECORATING | Wallingford |
| Bates Heating & Plumbing Services | Tonyrefail |
| Batey Electrical Services Ltd | Chesham |
| Bath & North East Somerset Council | Bath |
| Bath & South West Electrical | Bath |
| Bath Bespoke Joinery Co | Bath |
| Bathgate Painting and Decorating | Bathgate |
| BathGo | Crawley |
| Battissons Joinery | Sheffield |
| BATTRICK PLUMBING | Briningham |
| Bay Garden services | Torquay |
| Baysie Gas Uk Ltd | Sheffield |
| Bazzas plastrring services | New Addington, CROYDON |
| BB Gas | Abingdon |
| BB Plumbing Services | Sheffield |
| BBM Building & Maintenance | Edinburgh |
| BBS Improvements Ltd | Bromsgrove |
| BBS Plumbing & Heating | London |
| BC Heating & Plumbing Engineer | Perth |
| BC Painting & Decorating | Edinburgh |
| BC Plumbing Services | Whyteleafe |
| BC Services | Benfleet |
| BCC Pumbing | Frome |
| BCJ Carpentry Ltd | Stourbridge |
| BD Decorators | Bracknell |
| BD Plumbing & Heating | Wigan |
| BD Plumbing & Heating | Oxford |
| BD Plumbing Services | Wigan |
| BDJ Painting & Decorating Services | Dagenham |
| BDS CONTRACTORS LTD | Greenford |
| BE Family Plumbing and Heating | Hatfield |
| Be Wise Alarms Ltd | Hornchurch |
| bea constructuon | Liverpool |
| Beach Wood Designs Victorian Floor Refurbisher | Melton Mowbray |
| Beachwood Carpentry & Building Services | Little Downham, Ely |
| Beaconsfield Bespoke Craftsmen Services Ltd | High Wycombe |
| BEALS T/A Brown Electrical & Lighting Se | London |
| Bear Arthur Property Maintenance and Improvements | Southsea |
| Bear Electrical | Southampton |
| Bear Motors | Feltham |
| Beat Them Leaks | Bristol |
| BEAUTIFUL BATHROOMS | Ellesmere port |
| BECKHAM BUILDS | Hitchin |
| Becks 247 Cleaning Services Ltd | Birmingham |
| Beckstone Property Maintence | Workington |
| Becky's cleaning services | Hucknall |
| Bectec | leighton buzzard |
| Beddall Electrical Services Ltd | Strensall, York |
| Beds Plumb Tech | Dunstable |
| Bee Clean | Plymouth |
| Bee Smart Boiler Care Limited | Yeovil |
| bee sure | Hemel Hempstead |
| Bee Warm Heating Maintenance | Wimborne |
| Beech Grove Gardening Services | Brighouse |
| BEECH VIEW BUILDING SERVICES | Bognor Regis |
| BEECHWOOD CONSTRUCTION | Stockport |
| Beekay Electrical Ltd | heckmondwike |
| Beeson & Maggs Plumbing and Heating LTD | Brixham |
| Begbie Heating Ltd | Croydon |
| Beginanew Plumbing and Heating | Eastbourne |
| Begley Decor | Cumbernauld |
| Bel Carpentry | Portsmouth |
| Bel Plumbing | Ilford |
| BELFREY SECURE LOCKSMITHS | Brentford |
| Belgrave Electrical Services Ltd | Leighton Buzzard |
| Bell Boiler & Heating Service | Ballymena |
| Bell's Building Services | Lochgelly |
| Bellator Construction Ltd | London |
| BELLHOUSE INSTALLATIONS LTD | Billericay |
| Bells Cross Joinery | Ipswich |
| Belper Gas & Heating | Belper |
| Ben Brooks Joinery | Burton-on-Trent |
| BEN BROWN CARPENTRY & CONSTR | Helston |
| Ben Deane | London |
| Ben Duckett | Worcester Park |
| Ben Dunn Carpentry & Joinery | Marlow |
| Ben E King Electrical LTD | Lutterworth |
| Ben Gray | London |
| Ben Palmer Lighting Ltd | Burgess Hill |
| Ben Robinson | Manchester |
| Ben Terry Plumbing and Heating Limited | Maidstone |
| Ben Thorp Electrical | Newbury |
| Ben Timbrell Gas Heating and Plumbing | Warwick |
| Ben Vena Home & Commercial Cleaner | Hornsea |
| Ben Williams | London |
| Benchmark Building Co. Ltd | Ascot |
| Benchmark Electrical Ltd | Saint Ives |
| Benchmark Heating & Electrical Services | Shoreham by Sea |
| Benchmark Heating & Plumbing UK | Birmingham |
| Benchmark Joinery | Keighley |
| Benges Plumbing Ltd | Grsys |
| Benjamin Leigh Carpentry & Construction | Burgess Hill |
| Benjamin's Carpentry & Building | Haverfordwest |
| Bennett Gas Services Ltd | Bromley |
| Bennett Installations | Waterlooville |
| Bennetts Gas Services | Stoke-on-Trent |
| Bennetts Plumbing | wellington |
| Bens Boiler Breakdown and Servicing | Ipswich |
| Bentley Tiling | Bromley |
| Berkhamsted Heating | Berkhamsted |
| Berkshire Environmental Services Ltd | Reading |
| Berkshire Expert Locksmiths | Reading |
| Bernard Morgan Plumbing And Heating Engineer | Cardiff |
| Bernie McEvoy | Bromsgrove |
| Berrycloth Electrical | Margate |
| Bertoni Construction Ltd | London |
| BeSmart | Coventry |
| BESPOKE BATHROOMS | Swansea |
| Bespoke Builders | Tonbridge |
| Bespoke Builders Beckenham | Beckenham |
| Bespoke Decor | Teddington |
| Bespoke Designs | Epsom |
| Bespoke Garden Services Ltd | South Croydon |
| Bespoke joiner | Wigan |
| Bespoke Renovations | Scunthorpe |
| Best 4 Less Group | Chichester |
| Best Finish Plastering | birmingham |
| Best Gas Plumbing & Heating Services | London |
| Best Interiors Ltd | Leeds |
| Best Kitchens | Tilehurst, Reading |
| Best Local Carpet Cleaners | London |
| Best Man & Van in London | London |
| Best quote renovations | Brighton |
| Beta Sanitise Ltd | Leeds |
| Betty's Cleaning Services | Maidstone |
| Beverley-Perkins Services Ltd | London |
| Bevis Cleaning | Southampton |
| Bexhill Property Maintenance Ltd | Bexhill on sea |
| Bexley Heating Services Ltd | Welling |
| BF Gas Services LTD | Portsmouth |
| Bg | Bristol |
| BG Services (NE) Ltd | Middlesbrough |
| BGE Developments Ltd | London |
| BGF Fire & Electrical Solutions Limited | Wigston |
| BH Decor | Bournemouth |
| BH Decor | Manchester |
| Bhola PHG | Stanmore |
| Bialy UK 1 | Edgware |
| Bickley Plastering Services | Bromley |
| Big Job Little Job | Cheltenham |
| Big John Building Contractors Ltd | Watford |
| Big Paul Plumbing & Heating | Cardiff |
| Big Van Removals Co | Sheffield |
| Big5 Removals | Morden |
| Bigfellers | Whitley Bay |
| Bigland Electrical Ltd | Chelmsford |
| Bijley Installations Ltd | Coventry |
| Bilal Majed | London |
| Bilal Plumbing & Heating Services | Woking |
| Bilem Ltd | London |
| Bill Dowson Heating & Plumbing Services | Brackley |
| Bill EPS Ltd | Romford |
| Billingham And Young Ltd | Brierley Hill |
| billingham fire & electrical services ltd | Billingham |
| Billy Monteith Plastering | Glasgow |
| Billyjoe Ryan | Croydon |
| Bilton Plastering Services | Rugby |
| Birch Hill Plumbing and Electrical Ltd | Rochdale |
| Birchwood Plumbing Services | Warrington |
| Birdy's Plumbing & Heating | Cockermouth |
| Birdz Property Services | Welling |
| Bishop Autos Mobile Mechanic | Gloucester |
| Bishop Plumbing And Heating Ltd | Milton Keynes |
| Bison Electrical | London |
| Bit4 Limited | Nottingham |
| BITHERMO Heating & Mechanical Service | St. Albans |
| BJC Plumbing | Thetford |
| BJD DRAINS & PLUMBING SERVICES | SALISBURY |
| BJK Delivery Ltd | Reading |
| BJL Gardening | Leeds |
| BJM | Dalry |
| BJS Plumbing | Crawley |
| BK Construction | Preston |
| BK Decorating House & Maintenance | Bridgend |
| Black & White Decorators | Haverhill |
| Black Electricals | Boldon Colliery |
| Black Maids | Crowborough |
| Blackburne Plumbing And Heating Services | Dukinfield |
| Blacker Plumbing and Heating | Belfast |
| Blackhorse Motors London Ltd | Deptford, LONDON |
| Blackman Electrical Ltd | Newark |
| Blain Carpentry & Construction Limited | Chigwell |
| Blair Craig Plumbing and Heating | Stirling |
| BLAKES BUILD & LANDSCAPE | Gillingham |
| Blakes Electrical 1 Ltd | Lidlington |
| Blakes Heating Services | Fareham |
| Blakes Plumbing and Heating | Southampton |
| Blakesley Fitters | Portsmouth |
| Blakey Electrical Services | Louth |
| Blana Floor Sanding | Twickenham |
| Blann Fencing | Redhill |
| Blast Wash Fife | Glenrothes |
| Blean Landscapes | Canterbury |
| BLEC (SW) | Plymouth |
| Blidworth & Rainworth Electrical Solutions | Mansfield |
| Bliss Plumbing And Heating Services | Reading |
| Blitz Cleaning | harlow |
| Blitz Cleaning Services | MILTON KEYNES |
| Blitz Window Cleaning | Bedford |
| Blocked Drains & Plumbing Ltd | Enfield |
| Bloomscapes Ltd | Bromley Road, London |
| Blossom Garden Services | West Wickham |
| Blu Flame Limited | London |
| Blue Burner Heating | London |
| Blue Flame Gas Maintenance | Croydon |
| Blue Flame Heating Solutions | Dundee |
| Blue Flame Plumbing and Heating | Surrey |
| Blue Flame Solutions | Whitley Bay |
| Blue Knight Cleaning Services Ltd | Park Royal |
| Blue Leaf Construction Ltd | Bristol |
| Blue Point Contractors | London |
| Blue Sky Developers Ltd | London |
| Blue Van Removals | Belfast |
| Blue Wave Electrical | Brauntkn |
| bluebutterfly garden design | doncaster |
| Blueflame Heating and Plumbing | Wakefield |
| Blueflame Property Maintenance | West midlands |
| Blueprint Construction & Development Ltd | Barry |
| Bluetree systems ltd | Swansea |
| Blythe Electrical Ltd | Feltham |
| BM Building and Brickwork | GLASGOW |
| BM Plumbing Heating | Swansea |
| BM Tree Services | Glasgow |
| BMA Electrical Ltd | London |
| BMC Plumbing & Heating | Glasgow |
| Bmp construction ltd | Chelmsford |
| BN1 Cleaning Services | Brighton |
| BNS Cleaning Services | Alveston |
| Bob Brown Plumbing | Leicester |
| Bob Church Plumbing & Heating Engineer | Halesworth |
| Bob Jones Installations | Plymouth |
| Bob the Painter & Builder | Portsmouth |
| Bob's Home Maintenance | Redbourn |
| Bob's Plumbing | Addlestone |
| Boc Plastering | Staines-upon-Thames |
| Bogs & Taps | Birmingham |
| Boiler 4u | Harrow |
| Boiler Boy | Newcastle Under Lyme |
| Boiler Care 24/7 Plumbing & Heating Ltd | Sandbach |
| Boiler Repairs London | London |
| Boiler Rescue | Gillingham |
| BOILER SYSTEMS GAS & OIL SERVICES | Godalming |
| Boiler Systems Ni Ltd | DERRY |
| Boiler Tech | Gillingham |
| Boiler Tech Ltd | Biggleswade |
| Boiler Technical Services | Brentwood |
| Boiler-Servicing.Net | Barnsley |
| BoilerCare Scotland limited | Edinburgh |
| Boilercheck | Letchworth Garden City |
| BoilerFix | Reading |
| Boilerfix | Wallasey |
| Boilerfix1st | Potters bar |
| Boilerguard (UK) Ltd | Amersham |
| Boilerheat Plumbing & Electrical Repairs | Chard |
| Boilerman (Herts) Ltd | Hertfordshire |
| boilerPRO Ltd | Chessington |
| Boilers 4 Britain | Milton Keynes |
| Boilersafe | Cardiff |
| Boilertec | Christchurch |
| Bokke Electrical Ltd | Hawkinge, Folkestone |
| Boleyn Heating Solutions | Romford |
| Bondzie Consulting Ltd T/A The Plumbing & Heating People | London |
| Bone Plumbing & Heating | Glasgow |
| Bonixo Ltd | Lytham St Annes |
| Bonji G.S.E | Redhill |
| Bonnie Tiler | Livingston |
| Booths Carpet Cleaning Services | Barnoldswick |
| Border Plastering | Carlisle |
| Border Plumbing Services | Carlisle |
| Borders & Northumberland Plastering | kelso |
| Borough Builders | London |
| Bostan Building Contractors | Newcastle |
| Boston Services | High Wycombe |
| Botanic Property Limited T/A | Edinburgh |
| Bourne Roofing | Bourne End |
| Bournemouth Gas Limited | Bournemouth |
| Bourton electrical services | Devizes |
| Bowater Electrical Services | Cradley Heath |
| Bowcroft plumbing & heating | Doncaster |
| Bowe Electrical Services | Romsey |
| BOXMOOR BLDG & CARP SERVICES | Hemel Hempstead |
| Boyle Gas Services Limited | Tranent |
| BP Bennett Roofing | High Wycombe |
| BP Technical Services | Bracknell |
| BP's Maintenance | Ryston Close, Downha |
| BPH - Blakemore Plumbing & Heating | Sheffield |
| Bpsc Ltd t/a J L F Plumbing & Heating | Borehamwood |
| BPT Plumbing & Heating | Brundall |
| BR Gas Services | Dagenham |
| BR Plumbing | Bromley, Kent |
| Brackstone Heating & Plumbing | Walsall |
| Brad McQuinn | Shipley |
| Bradfords Man & Van | Bradford |
| Bradley Security | Lincoln |
| Bradley's Plumbing and Heating | Stamford |
| Braeview Contracting Ltd | Aberlour |
| Braidwood Locksmiths Swansea | Swansea |
| Bramley Plastering | Leeds |
| Branching Out (Kent) Ltd | Minster, Ramsgate |
| brandon electrical ltd. | Sidmouth |
| Bransby Electrical Services | Chessington |
| Braviner Electrical Ltd | Wolverhampton |
| BRB Alarms | Scunthorpe |
| BRD Plumbing & Heating | Northampton |
| Breda Lock & Key | Belfast |
| Breeze Professional Cleaning Services | Sunderland |
| Brendan Mulrooney | Sutton |
| Brendan Stone | Weymouth |
| BRENDON WHITE ASSOCIATES | Newcastle upon Tyne |
| Brennan's Painting & Decorating | Liverpool |
| Brent Property Services Ltd | Stanmore |
| Bretts Gas & Heating | Epsom |
| Brewers Plumbing and Heating | Aylesford |
| BRG Carpentry | Portsmouth |
| BRH Gas & Oil | Bridgend |
| Brian C Credicott | Tavistock |
| Brian D Brown | New Malden |
| Brian Duncan Plumbing and Heating | Dunstable |
| Brian Fraser Joiners | Elgin |
| Brian Hartas Electrical Contractor | Hale Fordingbridge |
| Brian Hunter | London |
| Brian Lake Controls | Addlestone |
| Brian Moffat | Darvel |
| Brian Prew - Painter & Decorator | Dalry |
| BRIAN REYNOLDS | abergavenny |
| Brian Scutt | Basingstoke |
| Brian Sparrowhawk | Buckhurst Hill |
| Brian Sykes Electrician | Sussex |
| Brian Young Joinery & Building Services | Stoke on Trent |
| Brians Gas & Plumbing | London |
| Bricklayer Available | Bristol |
| BRICKON CONSTRUCTION LIMITED | Birmingham |
| bridge garden & estate maintenance services | Warlingham |
| Bridle Electrical Services Ltd | Waterlooville |
| Brierty Decoration | Oxfordshire |
| Bright Joinery | Poundstock |
| Bright Solutions Electrical & | West Drayton |
| Bright Spark Installations | Worthing |
| Bright Sparks | Liverpool |
| Bright Sparks | |
| Bright Sparks Electrical | Penzance |
| Bright Sparks Electrical | Coalville |
| Brighton & Hove Damp Proofing | Brighton |
| Brighton Plumber - Practical Plumbing Solutions | Brighton |
| Brightside Heating Services Ltd | Gillingham |
| Brightspark | tamworth |
| Brightsparks domestic electrical | Portchester |
| Brightsparks Electrical Services | South Shields |
| Brightview Lofts Limited | Brighton |
| Brightwire Electrical | Eastleigh |
| Brigstowe Electrical Services Ltd | Trowbridge |
| Brindleys Electrical | Worthing |
| Briss Plumbing | Hemel Hempstead |
| Bristles Decorating Services | Littlehampton |
| Bristol Household Electrical | Patchway |
| Bristol Locksmiths & Security | Saint Ives |
| Bristol Property Care Limited | Bristol |
| Bristol Unigas Limited | Bristol |
| Bristol-Heating | Bristol |
| Britannia Builders | Liverpool |
| Britannia Electrical & Security (UK) Ltd | Middlewich |
| BRITANNIA MASTER LOCKSMITHS | Waterlooville |
| Brite Pipes Plumbing and Heating | Leeds |
| Britespark Electrical and Security | Stockton-on-Tees |
| Brits Construction Services Ltd | HARROW |
| Broad Sparks & Construction | Newton le Willows |
| Broadline Plumbing and Heating | Bath |
| Brogas | Wigan |
| Bromley Gas Service | Bromley |
| Bronte Gas Services Ltd | Thornton Bradford |
| Brook Contracting Solutions Ltd | Lyndhurst |
| Brook Plumbing and Heating | penrith |
| Brookesmith & Co | Liverpool |
| Brooklyn Electrical Ltd | Leigh-on-Sea |
| Brookman Plumbing & Heating | St Leonards |
| Brooks Electrical Services | Bradford |
| Brooksbank Locksmith | Prestatyn North Wale |
| Broomes Electrical Services | Harrow |
| Broomfield Heating & Plumbing | Shepton Mallet |
| Broomfield Property Maintenance (Electrician) | Broomfield, Chelmsfo |
| Brosnan | Liverpool |
| Browns Auto Services Ltd | Durham |
| Browns Installations | Cannock |
| Browns Joinery | Crumlin |
| BRS CEILING & PARTITIONS | Pinner |
| Bruno Albuquerque | Carshalton surrey |
| Brunyee Carpentry Ltd | Poole |
| Brus Deco | London |
| BRUSH STROKES DECORATING | Bromley |
| Brycol Electrical Services Ltd | Maldon |
| Brydon Heating and Plumbing Services Ltd | Seaham |
| Bryn Pritchard Ltd - Building Contractors | Garndolbenmaen |
| Bryncerrig Heating | Ebbw Vale |
| BS | Northolt |
| BS AG Electrical | London |
| BS Maintenance | Luton |
| BS Plumbing & Heating DM ltd | Dagenham |
| BS Plumbing and Electrical Contractor Ltd | London |
| BSL Building Contractors Ltd | Swindon |
| BSM Building Services & Maintenance | Hawick |
| BSP Plumbing & Heating Ltd | Harrow |
| Bstevenson Plumbing & Heating Services | Hatfield |
| Bsure Bsecure Locksmith | Shrewsbury |
| BT Electrical Services | Newcastle upon Tyne |
| BTA Plumbing and Heating | Birmingham |
| BTATrading | Milton Keynes |
| BTC Security Systems | Hornchurch |
| BTU Gas Services Ltd | Birkenshaw |
| BUBBLE | CHRISTCHURCH |
| Bubble & Squeak Carpet Reurb | Wakefield |
| Bubble Shine | London |
| Buckingham Ltd | London |
| BUCKLAND TREE CARE LIMITED | Nantwich |
| Bucksburn Plasterers | Aberdeen |
| Budget Alarm & Security Systems | Nelson |
| Build Developments Ltd | Westhoughton, Bolton |
| Build Light Group | Portsmouth |
| Build the Dream | Consett |
| Build Your Rooms Ltd | Cannock |
| Build-Max Construction | morden |
| Buildcras Ltd | Edgware |
| Buildec Solutions Limited | London |
| Builder | WOKINGHAM |
| Builder | Sutton |
| Builders GB | Mayfair, London |
| Builders Manchester | Manchester |
| BUILDERS OF SUSSEX LTD | Eastbourne |
| Builders4U | Crawley |
| Building & Flat Roofing Contractors | Caernarfon |
| Building maintenance services | Oakham |
| Building Solutions | Folkestone |
| Building Vision London | London |
| BUILDMAX | London |
| Buildstar | Welwyn garden city |
| BUILDSURE | Godalming |
| BUILT TO LAST BUILDING SOLUTIONS | Newcastle upon Tyne |
| Bulldog SS Electricals | Oldham |
| Bullen Removals ltd | Aberdeen |
| Bullit Plumbing and Heating | Towcester |
| BumbleBee Plumbing & Heating Ltd | Warrington |
| BUNCH CONSTRUCTION | Sudbury |
| Buntyn Builders | London |
| Bunyan Plumbing And Heating | HEMYOCK |
| Burgess Plumbing and Building | Bolton |
| BURNELL HEATING SOLUTIONS | Bath |
| Burners Ltd | Brighouse |
| Burnett Plumbing & Heating | Cheltenham |
| Burns Gas Services | Bathgate |
| Burns Rendering | Bridgwater |
| Burnside Plumbing & Drainage | Baĺlyclare |
| BURNTWOOD installation ltd | Burntwood |
| Burridge Electrical | BRISTOL |
| Bush & Son Ltd | Teignmouth |
| Bushen Builders | Wadebridge |
| Busler Gardening Services | Burnley |
| Buster Tiling | Ivybridge |
| BUSY BUILD LTD | London |
| Busychaps | Exeter |
| Butler's Plumbing and Heating | chesterfield |
| Buzz Electrical Ltd | Evesham |
| Buzzbees Pest Control | Benfleet |
| Buzzy Cleaners | Poole |
| BWR Electrical Ltd | Dundee |
| By Design | Hyde |
| BZ Heating Services | Plymouth |