Founded on august 1991, Essiel was the first cleaning firm in Barcelos. Essiel has been one of the leading businesses in the north of Portugal, in the industrial and domestic cleaning, landscape maintenance and cleaning products industry.

It was the forth company of its sector being certificated by ISO 9001:2008 norm (Quality Management), highlighting the importance that Essiel gives to quality, experience, precision, constant technological innovation, continuous professional formation and social responsibility – the fundamental values of all of essiel’s culture.