
Smith And Byford Limited
Established in 1966, our mission is to deliver outstanding heating, electrical, and BMS (Building Management Systems) services to our customers. For over five decades, we’ve placed our customers at the forefront of everything we do, ensuring their needs are met with the highest levels of service and care. Our extensive portfolio includes partnerships with 20+ Local Authorities and Housing Associations across London and the South of England. Our directly employed team of over 400 skilled professionals ensure high-quality, reliable services 24/7.
Our services include:
• Heating Services (Domestic & Commercial): Servicing, repair, maintenance and installation
• Electrical Services (Domestic & Commercial): Testing, remedials, upgrades, and installation
• Building Management Systems: Expert panel design and manufacture, installation, and commissioning
• Renewable Energy Systems: Cutting-edge solutions for sustainable energy
With a rich history and dedicated in-house team, we’re committed to delivering outstanding service, reliability and innovative solutions that prioritise our customer’s needs. Our holistic approach covers every aspect of our client’s requirements, from initial consultation to project completion and ongoing support, all whilst ensuring full compliance with industry standards and H&S regulations.
Frameworks

Website
Company Number
01074356Incorporation Date
29-09-1972Registered Address
St George House, Station Approach, Cheam, Sutton, Surrey, SM2 7ATNumber of Employees
373Supplier Turnover
£58,528,676.00SIC Codes
71129, 43210, 43220, 43220VAT Registration Number
GB217078371Categories
09323000 : District heating
09330000 : Solar energy
09331000 : Solar panels
09331100 : Solar collectors for heat production
09331200 : Solar photovoltaic modules
09332000 : Solar installation
31600000 : Electrical equipment and apparatus
39710000 : Electrical domestic appliances
39715000 : Water heaters and heating for buildings, plumbing equipment
39715200 : Heating equipment
39715210 : Central-heating equipment
39716000 : Parts of electrical domestic appliances
39721000 : Domestic cooking or heating equipment
42515000 : District heating boiler
44115200 : Plumbing and heating materials
44620000 : Central-heating radiators and boilers and parts
44621220 : Central-heating boilers
45210000 : Building construction work
45232140 : District-heating mains construction work
45251250 : District-heating plant construction work
45261215 : Solar panel roof-covering work
45310000 : Electrical installation work
45311000 : Electrical wiring and fitting work
45311100 : Electrical wiring work
45311200 : Electrical fitting work
45315000 : Electrical installation work of heating and other electrical building-equipment
45317000 : Other electrical installation work
45331000 : Heating, ventilation and air-conditioning installation work
45331100 : Central-heating installation work
50720000 : Repair and maintenance services of central heating
50721000 : Commissioning of heating installations
51100000 : Installation services of electrical and mechanical equipment
71314100 : Electrical services
71314310 : Heating engineering services for buildings
71321200 : Heating-system design servicesValues
£100k - £250k
£10k - £25k
£10m - £20m
£1m - £5m
£20m +
£250k - £500k
£25k - £50k
£500k - £1m
£50k - £100k
£5m - £10m
Up to £10kRegions
UKI - London
UKJ - South East
