AOS has been operating in the area of consultancy and engineering services in Poland, continuously since 1989, originally under the name of Environment Protection Agency (Agencja Ochrony Środowiska), and later on, after rebranding, using the acronym name AOS.


The establishment and continuous growth of the company is closely connected to activity of Mr. Bogdan Gutkowski, the AOS founder and the leader of the Swiss-Polish BIG INVEST Group, in which AOS is a leading company responsible for engineering services connected with technical design and supervision of technological and commercial facilities construction.


Mr. Tomasz Ziętek leads the company as the President of   the Management Board and also as the co-owner, associated with the company since the very beginning.


AOS regular staff is over 30 employees. Apart from that the company permanently cooperates with the group of more than 40 engineers. The company’s  branch-offices, equipped with the most sophisticated design equipment and professional software, are located  in Koszalin and Gdańsk.


AOS achievements include projects, expertise, analyses and reports for different industries, including the petrochemical industry (fuel station), trade  (hypermarkets, shopping centers), power generation (wind farms and power lines), wood industry (wood drying facilities, impregnators), fish-processing industry (fish-processing plants), services (car showrooms) and many other key segments of Polish economy.


Our existing partners are the leading Polish and foreign companies in the power, fuel, food industries as well as many others operating locally and regionally.