1981 - enter to the private market - alarm systems instalations;
1982 - establishment of the service company by Tadeusz Bira "Zakład Usługowy Elektronicznych Systemów Alarmowych - ZUESA" in Warsaw specialised in alarm system installations (for example in King Palace in Warsaw, the Laboratory of Monument Restoration in Warsaw, Car Base in Warsaw as well as private homes and flats). Employment of the first employee;
1985 - change of the company profile into production company ZPH BIRATRONIK with seat in Warsaw, production of alarm system elements for example armored signallers for multi-apartments, anti-panic bars for shops, banks etc, reliable window sensors. Increase of sales resulted in employment of following two employees;
1987 - change the seat to bigger production site in Warsaw-Ursus, start production of intercoms, due to sales development, the employment had increased to 30 persons;
1989 - change the seat into own production site in Michałowice near to Warsaw, first design of small electric strike under patent protection;
1993 - production and sales of the small electric strike as the first company in Poland at competitve price and quality;
1996 - increase of production, first choice company in the Polish market;
1997 - export sales to Hungary, Russia and Ukraine;
2006 - new product - symmetric electric strikes;
2009 - development of export sales - to Germany, Czech, Slovakia and Belarussia;
2010 - change of the company name from ZPH BIRATRONIK into BIRA TRADE.