Anniversary celebration of Stoa Group - 30 years of innovation

A detail photo showing BILDA rainscreen's application for wood and stone

Dear friends, partners, clients and prospects,

We are happy to announce the 30th-anniversary celebration of STOA Group!

The past 30 years have been a unique, unforgettable experience for the STOA team. In this time frame, we've completed projects all over the world - from Europe and the Middle East to Asia and crafted a wide range of custom façade solutions. We've invented and continuously updated BILDA, our universal rainscreen cladding system. It's been an emotional journey for us and we've enjoyed it thoroughly: from designing projects to site supervision training visits!

STOA is a brand name and a group of companies, founded in 1990, specializing in the engineering and installation of total facade solutions - rainscreen claddings, curtain walls; photovoltaic and sun shading structures; architectural metal works for commercial, administrative, residential and other building types in a variety of building materials.

STOA has been a registered and certified member of the Bulgarian Construction Chamber since 2007 and of the Natural Stone Institute, USA since 2012.

The head office of STOA, situated in Sofia, is comprised of an architectural, an R&D, a design, a marketing and a financial department with a long-standing team of architects, mechanical and structural engineers as well as professional staff of financial and management experts.

The company owns a fully equipped production facility with two production units for processing of cladding panels and fabrication of aluminium and steel components and structures. The company has a team of highly qualified and skilled workers with extensive experience in the installation of enclosures/envelopes.

Driven by constant strife for innovation, STOA aims to introduce new technologies and ideas into the constantly growing and evolving market of ventilated claddings, enclosures and total building exterior solutions. Drawing on its wealth of knowledge and vast experience in design and installation, STOA has developed the innovative, universal rainscreen cladding fixing BILDA system and technology, which provides a complete and user-friendly solution for varied construction applications.

Although BILDA System can be used with various panel fixing methods, the slot as its specific trait brings the most advantages. STOA Group provides patented machinery and tools for milling the precision mortise slots in panels by a low-cost cutting process. A range of efficient rigs for the factory and construction site, as well as handheld machines are available. These are equipped with cutting discs for all cladding materials.

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STOA is in a continuous process of dissemination, market research and product presentation of the universal rainscreen cladding system BILDA as a constant participant at major construction and design fairs in Europe, such as:

  • MARMOMACC, Verona, Italy;
  • BAU, Munich, Germany;
  • TONE+TEC, Nuernberg, Germany;
  • BAUTEC, Berlin, Germany;
  • CERSAIE, Bologna, Italy;
  • PLOVDIV FAIR, Plovdiv, Bulgaria;
  • STROIKO, Sofia, Bulgaria;
  • The Big 5, Dubai, United Arab Emirates.

STOA is involved in conferences, academic events and lectures to reach the academic and professional audience in the building and architecture industry. The staff members are regular guest lecturers at the Universities in Bulgaria and respected guest speakers at the local building fairs and exhibitions in Bulgaria. The ideas and experience of the company are regularly included in magazines, articles and papers to contribute to the development of the cladding system industry.

We, the STOA team, are grateful to the partners, clients and prospects for the many opportunities we had through the years to develop and prove ourselves as a professional team and to be part of a wide range of significant projects.

We believe that the best is yet to come and we are looking far into the future for new challenges, wider acknowledgement and good partnerships!