The name SOLE is inextricably linked to high quality. The management and executives of SOLE, having as their primary goal the satisfaction of the final customer, are in the process of continuous improvement of the production methods and the services to the partners.

SOLE quality assurance is certified by TUV Germany according to ISO: 9001/2015.

SOLE has been certified according to ISO: 9001 since 1995, being one of the first companies in Greece to be certified for their quality of construction. 

SOLE products are inspected in accordance with European standards EN 12975-1-2 & EN 12976-1-2, by accredited European laboratories, and hold the highest Solar Keymark certificate and many more.

• ISO 9001: 2015
• CE
• Solar Keymark for solar panels Climasol, Eco families
• Solar Keymark for solar systems Eurostar, Eurostar Eco families
• SPAIN Certificate from the Ministry of Industry, Energy and Tourism of the Government of Spain
• GERMANY BAFA Certificate approval by the German Federal Office of Economics and Export Control
  
• DUBAI: Dubai Municipality Certificate of Product Conformity
  
• ABU DHABI: Estidama Villa Products Database

Certified Testing Laboratories

• LNEG – Portugal
• TUV – Germany
• Fraunhofer ISE – Germany
• DEMOKRITOS – Greece
• ITW – Italy