At GF Cork, quality is the cornerstone of all our activities. We are firmly committed to providing safe, reliable, and high-performance corks, ensuring they are TCA-free and preserve the sensory characteristics of the bottled beverages.
We implement rigorous quality control, starting from the selection of raw materials and extending through every stage of production, ensuring that each cork meets the highest industry standards.

We believe quality begins with the right choice. That’s why we support our clients from the pre-sales stage, providing expert consultancy to ensure the selection of the ideal cork for each type of bottle and beverage.
Average detected TCA Level
Average response time to customer non-conformities
Traceable batch percentage
Nível médio de TCA detetado
Tempo médio de resposta a não conformidade de cliente
Percentagem de lotes rasteáveis
We conduct meticulous quality control of our corks through laboratory testing at various stages of the production process. We have a fully equipped in-house laboratory where rigorous analyses are performed to ensure food safety, technical performance, and compliance with international standards.
In addition, we collaborate with accredited laboratories, such as the Cork Technological Center (CTCOR), further enhancing the reliability of our tests and ensuring that our products meet the most demanding industry criteria.
This exhaustive control, combined with our partnership with CTCOR, allows us to guarantee that all corks meet the highest quality standards, preserving the integrity of wines, sparkling wines, beers, and other bottled beverages.
At GF Cork, quality is not just a requirement – it’s a daily commitment.
To ensure product quality, customer satisfaction, and the satisfaction of other stakeholders, our entire team is trained and made aware of quality and food safety issues related to our products.
Quality control is carried out at every stage – from reception, through processing, to the final product – with operators actively involved in this control, promoting continuous improvement of our activities.
Our corks comply with current legislation regarding packaging materials that come into contact with food products.
Attract, select, and retain high-quality employees who are dynamic and adaptable to the various functions within GF Cork.
Create a learning environment that actively encourages and supports the growth and development of our employees, fostering a culture of food safety.
Work with simple and efficient systems and processes, always seeking to innovate in ways that simplify and streamline production.
Maintain close, trustworthy, and collaborative relationships with our customers, suppliers, and other stakeholders to better meet their needs and expectations.
Actively contribute to making a positive impact on society, through concrete local actions as well as by adopting environmentally conscious practices and sustainable development policies.
Continuously reinforce our commitment to sustainability and quality by complying with FSC® Chain of Custody certification requirements, ensuring traceability of forest materials, and promoting continuous improvement of our quality management system.
Opiniões partilhadas por clientes GF Cork acerca dos
produtos produzidos e comercializados pela GF Cork durante 2025.