1) ISO 9001:2015 – Quality Management System
2) ISO 14001:2015 – Environmental Management System
3) OHSAS 18001:2007 – Occupational Health and Safety System
4) ISO 27001:2013 – Information Security Management System
5) ISO 50001:2011 – Energy Management System
6) ISO 29990:2010- Learning services for non-formal education and training... — basic requirements for service providers
7) ISO 29991:2014 Language learning services outside formal education – Requirements
8) ISO 22000:2005 – Food Safety Management System
9) ISO 20000-1:2011 Information Technology– Service Management System Requirements
10) ISO 20000-2:2012 Information technology — Service Management — Part 2: guidance on the application of service management systems
11) ISO 10002:2014 Quality Management Customer satisfaction-Guidelines for complaints Handlings in + More