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Honey and bee products

Agave Syrup

Coffee and Cocoa

Tea, herbal- and fruit teas

Hemp and its products

Pharmaceutical products

Quality Services International GmbH – a Tentamus company

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 materials. Our GMP-certificate is a perfect Addition to our services. Therefore we are 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.

Please see for yourself! We would be happy to submit you an offer tailored to your needs. We are looking forward to your enquiry – and will find the best solution for you! QSI – a lab for life.

* Consulting services do not fall within the scope of accreditation.

Memberships and cooperation

QSI is an active member of the following associations and working groups: Honig-Verband, Deutscher Teeverband, Deutscher Kaffeeverband, BLL, GDCh/LChG, DIN Kommitee: Honig, Kaffee, Tee, AOAC International, F.E.E.D.M., International Honey Commission, NHPDA, EIHA

All News

Juan Ramírez spoke at the V Freshuelva Partners Forum 2018

Last Monday, November 12, Juan Ramírez (General Manager of LAB | Laboratorio Analítico Bioclínico) attended the 5th Freshuelva Partners Forum. Among other speakers, he shared his Know-How as an expert in the fields of new technologies, packaging and food safety. In his presentation “The added value of the laboratory in food safety and control”, Juan ... Continued

Tentamus Implements New Service for Product Lifecycle Management

If you want to launch a new product on the market, it’s not that easy anymore. The market is saturated: On supermarket shelves, consumers will find at least as healthy and tasty products as the ones you have newly developed. And these products may even be better marketed than yours. That’s the difficulty: companies in ... Continued

Analytical Food Laboratories based in Grand Prairie, Texas joins the Tentamus global network of laboratories

The Tentamus Group today welcomes its newest family member: Analytical Food Laboratories (AFL). Specialized in the group’s key competencies of food quality and safety services, the acquisition of AFL further expands Tentamus’ global reach. Abgar Barseyten, CEO of Tentamus Group, says, “Our labs and offices throughout the world strive to deliver high-quality routine testing services. ... Continued

Happy Halloween - Tips for a food safe Halloween Party

Halloween is popular with children and adults alike. To make sure that the treatments for children are safe, follow these simple steps:   1. Safe Treats Children should not eat anything that isn’t commercially wrapped. Inspect commercially wrapped treats for signs of tampering, such as an unusual appearance or discoloration, tiny pinholes, or tears in ... Continued

Global Understanding of Food Fraud (GUFF) III in Dubai

Organised by Dubai Municipality, the 12th annual edition of Dubai International Food Safety Conference promises three days of new information regarding this vital sector. The second day presents GUFF 2018 – Global Understanding of Food Fraud. After Meetings in Quebec and Beijing in 2017, the third event of this workshop series is currently held in Dubai. ... Continued

Tentamus laboratories in your vicinity