Know what's inside:


Site Poland

Łajski, Kościelna 2a
05-119 Legionowo, Poland
Tel. +48 22 7831734


Other JARS sites in Poland:
Leżajsk, Lublin, Mysłowice, Olsztyn, Poznań, Wrocław

NIP: PL6751277082
Regon: 356544490
KRS: 0000760973

Hours of Operation: Mon-Fri 8:00 a.m. to 4:00 p.m.

Since its establishment in 2002, JARS S.A. has been providing a wide range of specialized services. The company occupies a leading position and have unique expertise in the field of laboratory testing.

JARS S.A. has a network of 7 modern laboratories and 8 offices located throughout Poland and provides services to the largest companies on the Polish and European Union markets. JARS S.A. offers consulting in the fields of food safety, cosmetics, and environmental protection. They test products for the largest companies from all over Europe. Every day the laboratories test over 1,500 samples.

The advantage of JARS S.A. is an individual approach to each client. All the company's activities are based on a coordinated team of experts in their fields. Every day, JARS S.A. specialists carry out clients' orders and participate in many research projects, including at the best universities in Poland.

JARS S.A. implements new projects and participate in the development of industry-specific legislation. Their experts teach at universities. Numerous certificates and approvals testify to the competence and reliability of JARS S.A. research.

JARS S.A. provides their clients with the highest standards of professionalism, quality, and safety in all of the activities that are conducted.

At the beginning of 2021, JARS S.A. became part of the European network of GBA Group laboratories, thus starting a new chapter in the history of the company.

This move helps strengthen the capabilities of JARS S.A. in all aspects of its operation, including further dynamic international development. The cooperation between laboratories operating within the group has created unique synergies on the Polish market.



  • Laboratory tests of environmental samples
  • Investigations of land surface pollution, geology
  • Environmental consulting and expertise
  • Consulting
  • Training

More information:

Contact person:
Barbara Kożuch


  • Food and feed testing
  • Sensory analysis
  • Labelling and verification of food labels
  • Testing of food packaging
  • Quality systems – implementation and verification
  • Audits
  • Consulting
  • Training

More information:

Contact person:
Paweł Łaszczewski

Cosmetics and Household Chemicals

  • Cosmetics and household chemical testing
  • Sensory analysis
  • Verification of cosmetic product labels
  • Cosmetics packaging testing
  • Quality systems – implementation and verification
  • Audits
  • Consulting
  • Training

More information:

Contact person:
Aleksandra Mikulska


Contact form

Do you have a question or concern about a topic and would like to contact us?
You can reach us 24 hours a day using our form.

Our Service Portfolio:

Natural Waterbodies


Soils, Sediments & Sludge

Waste, Rubble & Asphalt

Drinking Water

Editional services of our environmental analysis

GBA Group Sites


How to reach us

We offer numerous locations and departments in Germany and Europe, so that you always have a reliable contact in your area.
Location overview
© 2020 GBA Group
ContactData PrivacyLegal NoticeTerms & ConditionsDisclosure
Phone Phone