Welcome to CAS

Delivering integrity to coffee production and processing

CAS works towards the improvement of the economic, social and environmental conditions of coffee production and processing


High quality, independent, credible and innovative assurance services in the coffee sector

4C Compliant Coffee is coffee that has been produced in accordance with the 4C Code of Conduct, a set of baseline sustainable practices and principles for the production of green coffee beans. Compliance can be demonstrated through the 4C Verification System and the 4C Licenses that are subsequently issued. The responsibility for operating the 4C Verification System belongs to Coffee Assurance Services (CAS).

Our Services at a Glance

4C License Decisions

Evaluation of on-site verification reports and 4C License decisions.

Approval of 4C Verifiers

Training and assessment of independent verifiers according to the 4C Verification System.

Integrity Program

Quality assurance of approved 4C Verifiers. Internal and external oversight planning according to risk assessment and the 4C Quality Management System.

Data Collection & Analysis

Assessment of verification data and reporting.

Traceability and Commercial Reporting

Assessment of the traceability system and commercial reporting data.

4C Code and Verification System Training

Training on implementation of the 4C Code and Verification System.

Contact us

We are happy to discuss individual solutions with you. Please get in touch and contact us directly.