NKG Quality Service

The only CQI Incountry-Partner in Europe

NKG Quality Service

We aim to be NKG’s competence centre for the assessment of coffee quality.


Q Grade sample evaluation and validation
the only existing  quality certification for coffee

Our lab in Zug is the first In-Country Partner (ICP) lab in Europe. ICPs are representatives of the Coffee Quality Institute (CQI) in each respective country — Switzerland, in our case — and we can provide the following services:

  • Certification/validation of coffee quality
  • Cuppers training
  • Cuppers certification

These services include the administration of all coffee sample evaluations, all associated invoicing, assigning samples to certified Q Graders and preparing certificates and reports.

Manual – How to Submit a Sample for Q Evaluation

Order confirmation and Payment

NKG Quality Service
c/o Bernhard Rothfos Intercafé AG
Bahnhofstrasse 22
6300 Zug
Tel: +41 (0)41 728 72 60