About us

Who are we?

G-fenster is a quickly developing platform focused on the manufacture, sale, service and installation of window frames, garage doors, security shutters, sectional and industrial doors. We have been working for over 20 years and are available to share our experience with you. G-fenster.com is a part of GSG BG EOOD.  

GSG Bulgaria

• more than 20 years of years of experience in manufacturing and installing garage doors, industrial doors, security shutters and wooden window frames
• we are manufacturers with great capacity
• we perform installing of our garage doors, industrial doors, security shutters and window frames
• we offer service for the products we install
• we do our best to stick to a closed production cycle
• what we do not produce, we import directly from a manufacturer

Throughout the years we managed to build a trusted team of ambitious and inspired people who are learning and evolving constantly. One of the most valuable things about us is that we all love our job. We have the ambition, motivation and engagement needed in order to help and support you.

What is of great importance to you is the fact that we are not only good manufacturers, but also perform installing of our products. We do not work with external companies and thus are able to guarantee you a complete and fast performance. Together with our well-trained associates who can advise you on-site, you always get a closed cycle of consulting, production and installation of the finished product.

Support and maintenance after installation are very important. When choosing us these won't be a problem. We provide warranty for every product of ours. We provide support and will always assist you in case of damage.

GSG BG EOOD