Solid 55 is a leading company in the manufacture and distribution of different door types and locking systems. At this present moment, it produces doors under its own brands (SOLID security doors and interior doors , FeRi metallic doors and IPS intelligent doors) and sells garage and industrial doors produced by a leading European manufacturer. Solid 55 is the acknowledged leader on the market for security doors, takes strong positions on the metallic doors market and a small share of the market for interior doors. The company exports a part of its production. Solid 55 is the first company in Bulgaria that has successfully passed the obligatory evaluation of quality and approval of products for implementation in buildings according to European norms. In 2005, the company received a certificate for a developed and implemented Quality Management System in accordance with the ISO 9001:2000 standards.

By following contemporary trends, we constantly try to optimize our working process aiming independence from location, equipment and time.Because of that aim we introduced a web based integrated information system, which is oriented towards process management in all company aspects. We achieve desired company goals and at the same time create value for our customers by using information as a structure element .