1en1 2a 3en 4a 5a
preload image preload image


  • Commercial and Administrative Buildings
  • Mechanisation and Transport
  • Residential Buildings
  • Industrial Buildings
  • Renewable Energy
  • Infrastructure
Welcome to the official website of Sienit Holding! Here you can find information for our services, activities, projects and partners. If more information is needed, please, use the presented contacts.
Thank you for the attention!
Оперативна програма регионално развитие Оперативна програма транспорт