ESSA - Angola Company of Services and Surveys, Lda, is a SONANGOL EP subsidiary, created by Decree – Law nº 1/95 of January 13th, the Council of Ministers, published in the Republic Journal nº 2, series I, based in Angola, Luanda, Ingombota - in Samuel Street Bernardo 8/10 , taxpayer nº5411015162, postal code 6228.
February 6th 2014 was made the complete change of the Company's Covenant, a company focused on technical training and professional activity,
for a company whose main corporate purpose is:
"The exercise of construction activity , operation and maintenance of onshore and offshore drilling rigs as well as the provision of drilling services, the provision of studies and design projects related to the oil industry, rental, management, implementation and supervision of contracts polls awarded by oil companies, general consultancy and survey land and sea areas and related activities".
A ESSA is a company limited by shares , with registered capital of 25,000,000,000.00 Kwanzas (twenty five billion Kwanzas) having a shareholder structure formed by Sonangol, E.P. 99% and Sonangol Holdings, Lda 1%.