SIA ZAAO was the first waste management business company in Latvia to develop, implement and maintain an integrated management system in accordance with the international standards LVS EN ISO 9001:2009 and LVS EN ISO 14001:2004.
SIA ZAAO sphere of operation is waste collection, sorting, storing, processing, loading, transportation, and disposal.
The core activity is municipal waste collection and disposal.
On 29 November, 2002, ZAAO was granted both systems’ certificates. Certified by Bureau Veritas Quality International (BVQI).