QSI is a leading laboratory for quality control of food, honey and pharmaceutical raw materials. We offer independent laboratory and consulting services in the areas of food and pharmaceutical raw products and are therefore a reliable and officially authorized partner for production, trade and export as well as associations and institutions when it comes to product safety, hygiene and quality control. Our more than 60 years of expertise with an extensive spectrum of analyses is accredited by the state and our tailor-made special solutions leave nothing to be desired. Thanks to our unique full-service group of companies under the umbrella of the Tentamus Group, we are able to offer complete analytics and innovative solutions for national and international requirements of external quality control - even for special requests.