The companies within ENTER Engineering Group have a number of international licenses confirming the conformity of works performed with the following systems:
- ISO 9001 Quality Management Systems.
- ISO 14001 Environmental Management Systems.
- OHSAS 18001 Occupational Health and Safety Management Systems.
ENTER Engineering Group companies are also members of such a professional association as Self-Regulatory Organization “Interregional Association of Builders” (Russia).