Construction Line


Constructionline is the UK’s largest Government-owned register of contractors and consultants for the construction industry, by being pre-qualified by Constructionline, our customers recognise that our company meets industry and Government standards

safe contractor


Safecontractor is established as the market leader for health and safety pre-qualification in the UK. By being accredited with Safecontractor we demonstrate to our customers our compliance with important parts of health and safety law and that we have been assessed for our ability, experience and resource to carry out our specific areas of work.

Gas Safe

Corgi/Gas Safe

R.F.Henderson have been a member of Corgi since the inception of the business in 1979, all engineers hold Gas Safe accreditation relevant to their discipline, all of which can be viewed on the gas safe website at



OFTEC is the governing body for oil fired installation and maintenance of heating equipment, RF Henderson are proud to be certified with OFTEC and to be able to provide our customers with recognition that our services in this field meet industry standard