The audits are performed by NAKTUINBOUW and SOC


Stichting Nederlandse Algemene Kwaliteitsdienst Tuinbouw (Netherlands Inspection Service for Horticulture) is better known as Naktuinbouw. Naktuinbouw promotes and monitors the quality of produce, processes and chains in horticulture. The main focus is on propagating material, of national and international origin. Naktuinbouw is an Autonomous Public Authority (APA) regulated by the Ministry of Economic Affairs, Agriculture and Innovation (EA&I).

Naktuinbouw is an independent and unbiased official inspection organisation in the Netherlands, responsible for phytosanitary and quality inspections and auditing of quality systems for high graded propagation material.



SOC (Service officiel de contrôle et de certification = the Official Service for Seed Control and Certification) is the technical department of GNIS.

GNIS is the French association for seeds and seedlings, a privately- funded organization which delivers public services. Its aim is to ensure a regular supply of high quality seeds of improved varieties for agriculture.

GNIS has been entrusted with the role of official control and certification by the Ministry of Agriculture, through its technical department, SOC. It has to control the genetic and physical quality of seeds and to check that they meet EU requirements.

For field crops, it includes quality control : field inspections, lots controls, lots labeling, varietal post-control analysis. For vegetables (standard seeds), SOC undertakes post-control analysis.