The Company has a certified Quality Management System in compliance with the following international standards:
ISO 9001:2015 by auditors of BVQI Bureau Veritas  Bulgaria Ltd with certificates UKAS, until 07.09.2026 № BG003170
ISO 14001:2015 by auditors of BVQI Bureau Veritas  Bulgaria Ltd with certificates UKAS,  until 07.09.2026 №: BG003171
ISO 45001:2018 by auditors of BVQI Bureau Veritas  Bulgaria Ltd with certificates UKAS,  until  UKAS до 03.09.2026г. №: BG003172
ISO 39001:2014 by auditors "NJN" Ltd with certificate  № 21/016 until 29.03.2024

Transstroy - Varna AD is a member of  The Bulgarian Construction Chamber