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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: Deutscher Honigverband, Deutscher Teeverband, Deutscher Kaffeeverband, BLL, GDCh/LChG, DIN Kommitee: Honig, Kaffee, Tee, AOAC International, F.E.E.D.M., International Honey Commission, NHPDA

All News

#WorkersWednesday Part 10

It’s #WorkersWednesday! This means every wednesday, an employee of the Tentamus Group is introduced in this category. This is Annika. She is test manager at our laboratory for coffee, tea and honey, QSI.   You & Tentamus   1. Please introduce yourself briefly and tell us in which department you work. I studied food chemistry ... Continued

#WorkersWednesday Part 9

It’s #WorkersWednesday! This means every wednesday, an employee of the Tentamus Group is introduced in this category. Today we would like to introduce Andrea to you. She is the CEO of our bacteriophages expert MicroMol.   You & Tentamus   1. Please introduce yourself briefly and tell us in which department you work. I am ... Continued

Coffee to go: Hygiene of your customer's own cups

The “Coffee to go” is becoming more environmentally conscious. More and more coffee/tea lovers can have their hot drinks filled into their own cups at the baker’s or café. This principle is designed to reduce the amount of waste, generated by disposable cups. The food business operator is fully responsible for hygienically flawless processes.   ... Continued

Polar pesticide multi-method polar+

The world population is expected to grow by 2.35 billion people over the next 35 years. The use of pesticides therefore is unavoidable for human nutrition. Pesticides are substances that prevent harmful organisms from affecting plants and animals, thus ensuring agricultural yields and consequently the availability of food. Polar pesticides are widely used in agriculture ... Continued

Become part of the Tentamus Family

With more than 40 locations worldwide, the Tentamus Group forms a global network of laboratories and consulting companies and has thus become one of the largest companies in the life sciences sector. Nevertheless, we have never lost our entrepreneurial spirit and passion.   How do we manage to keep that up?   Tentamus relies on ... Continued

Avoiding animal testing of cosmetic products

MicroMol offers testing of cosmetics in accordance with Directive 76/768 / EEC:   “A ‘cosmetic product’ means any substance or preparation intended for placing in contact with the various external parts of the human body (epidermis, hair system, nails, lips and external genital organs) or with the teeth and the mucous membranes of the oral cavity with a ... Continued

Tentamus laboratories in your vicinity