Nowadays, electrical installation work is essential for the construction and repair of buildings (offices, houses, apartments, cottages). It is the quality of electrical installation that determines the proper and uninterrupted operation of equipment and appliances. Electrical installation work primarily includes the installation and replacement of electrical cables that provide buildings and facilities with electricity. The company MISTER REPARA TUDO DE HELDER F. MATOSin Lisbon has been providing services to corporate and private clients in electrical installation of any complexity for many years. Specialists of this organization on the basis of their experience and knowledge can in a short time perform any work related to cabling, wiring in apartments or offices, production facilities or utility rooms. An individual approach to each client is the basic principle of the work of “MISTER REPARA TUDO DE HELDER F. MATOS” in Lisbon.