SOP is registered in the Register of Fertilizer manufacturers, registration no. 103/06.
Quality is one of SOP's objectives. Thanks to the UNI EN ISO 9001 & 14001 certifications, all the phases of company operations are considered and monitored.
Many of the SOP products are allowed in Organic Farming.
IFOAM is the international federation of Organic Farming. SOP has been a supporting member of IFOAM since 2008.
The energy utilized by SOP for its production processes is Zero Impact certified, coming from renewable sources which have no impact on the environment.