Founded in 1975 as a Hong Kong Electricity Group tariff collection and promotion centre for the use of electricity and the sale of a basic range of electrical products, Fortress was acquired by Hutchison Whampoa Limited (HWL) in 1986 and has since become the leading retailer of electrical appliances in Hong Kong with more than 60 outlets employing over 1,000 staff. The company also operates five outlets in Taiwan employing 100 staff.