About us


JARS Ltd. is a Polish family company that provides laboratory and technical services for the following sectors: food, agriculture, environment, geology, cosmetics and household chemicals. Taking into account the scope of offered services, it can be stated that JARS belongs to the largest Polish laboratories. 

In addition, the company advises on food safety and environmental protection to some of the best known companies in the country, and analyses the products of major companies from all over Europe.

The company's advantage lies in its individual approach to each customer, and the work is based on a team of experts in their respective fields. Our specialists, among other things, implement new projects; participate in drafting legal acts and conduct classes at universities. Our competence and credibility are confirmed by numerous certifications and approvals.


The high quality and professionalism of our services are the qualities that have earned us a leading position in this highly competitive industry. The use of innovative technologies and the ever-widening scope of accreditation are recognized by a growing number of clients from Poland and abroad.



  • 2000

    The beginning of our activity dates back to a consulting company - JARS Centrum Jakości (Center for Quality) which in the year 2000 was the first in Poland to prepare audits and begin auditing large size stores regarding ​​food safety. At the same time JARS conducted HACCP system trainings and trainings regarding application of the principles of Good Hygiene and Manufacturing Practices.
    Very quickly the range of services increased and included advising and consulting in the food sector: development of documentation and implementation of HACCP, GMP and GHP and technological projects.
    Working with the following supermarket chains: real, - Makro, Auchan, Selgros, Carrefour, E'Leclerc, JARS began introducing the HACCP system in their stores throughout the country.
    Hundreds of people trained, thousands of pages of documentation, hundreds of performed audits - all illustrate the scale of the company's functioning.

  • 2002

    In June 2002 the company transformed into: JARS Centrum Jakości Sp. z o.o. (JARS Center for Quality Ltd.)
    The company took over the whole range of operations, all employees, contracts and customers.
    A microbiological laboratory was set up, equipped with modern equipment, and combined with expert staff enabled further development.
    The company acquired more and more customers and the laboratory introduced new test methods and implemented a quality system based on ISO: 17025.

  • 2004

    In 2004 JARS Centrum Jakości, as the only microbiological laboratory in Poland, obtains a certificate of accreditation from German Accreditation Council (DAR). The certification audit is conducted by DACH - German certification body.
    Board of Directors decides to take such a step because at this time Polish Centre for Accreditation (PCA) is not yet a signatory to the Multilateral Agreement EA MLA and foreign clients require from JARS results recognized throughout Europe.

    The scope of the company covers the whole country and the logistics and sampling form a strong asset. Sample collectors are experienced workers: food technologists, biotechnologists, chemists. Soon after JARS, as one of the first laboratories, receives the accreditation for collection and transportation of samples.

  • 2006

    In 2006 the company moves to its headquarters built in Łajski near Legionowo.
    In a large building with an area of 500 m2 modern laboratories and offices are located. JARS extends its services to include physicochemical analyses and those regarding environmental protection.

  • 2008

    In 2008 the sensory lab is created, which a year later receives accreditation with one of the broadest range of analyses in Polish market.
    Together with the Faculty of Biology of The University of Warsaw we organized and started the first edition of postgraduate studies in the field of Food Safety.

  • 2009

    In 2009 JARS passes the certification audit of the Polish Centre for Accreditation and in October receives accreditation AB 1095. Changing the certification body goes in accordance with the new European legislation in for as of 2010 in this area.

  • 2010

    In 2010 the company redevelops the existing building to a surface of 1000 m2, and creates a new laboratory in Katowice, where it employs several highly skilled professionals with years of experience in environmental research.
    Equipped with high quality analytical instruments the laboratory accredits more than 100 new research methods and offers its services in the field of environmental research.

  • 2011

    Since June 2011 the company has begun to use its existing abbreviated name - JARS Sp. z o.o. (JARS Ltd.) as its official name. This is due to the fact that the company begins to offer services within the EU where this form is easier to use.

    That year, a Research and Development Department was established. It has been developing new research methods and supporting the company's laboratories. It has also been selling its services outside. Simultaneously, it has been developing innovative activities and shaping the development of the company.

  • 2012

    The years 2012 - 2013 marked a period of further dynamic development of the company and its further investments. The company bought a property in Mysłowice with a usable area of 2700 m2. The laboratory from Katowice was moved over there to create additional laboratory space, which was equipped with devices for environmental testing. At the same time new labs were being created: a microbiological and a cosmetic one.
    In August 2012 JAR as an only commercial laboratory in Poland obtains OiB certificate. It entitles the company to analyse food rations for the army and food products for military units.
    Sensory Research Laboratory also started to develop. It meets the requirements of PN-ISO 8589:2010, is equipped with independent isles for assessments of food, water, cosmetics and household chemicals, and packaging.  The largest scope of accreditation in a country serves as a proof of competence in this field.
    There appears another laboratory to analyse water, fluids and dialysis concentrates. It also received accreditation for analyses in these areas.
    Postgraduate studies conducted with the University of Warsaw celebrated their 5th birthday and remained extremely successful. A lot of students fail to get admitted due to lack of places.
    The same year, a Consulting and Training department was created and immediately enjoyed great popularity.

  • 2014

    Since 2014, the company has had 5 laboratories in both locations with accreditation in 1000 research methods. An important role there was played by a newly established Research and Development Department supporting laboratories and developing innovative methodologies and shaping the development of the company.

    In the same year the company expanded its range of services of geological and hydrogeological analyses and simultaneously formed a department of expertise and environmental studies.

  • 2015

    In 2015 the company obtained ISO 14001 certification, confirming its competence in environmental protection.
    The company, using its investments in the last 4 years, is constantly gaining customers and to meet the growing demand for analyses and sampling it opens new branches in Leżajsk and Wroclaw. JARS begins to operate directly around two large areas of Poland: the east wall and the western wall.
    Environmental testing is accompanied by analyses of alternative fuels and solid fuels.
    They enable the determination of calorific value and composition of waste and information on moisture, ash and volatiles content to identify properly treated waste as secondary fuels.

  • 2016

    In 2016 the company opened 2 branches: Wrocław and Leżajsk. The first serves the southwestern and western regions of the country, the other - south-east. They both specialize in environmental studies, pool water studies, other water studies as well as food analyses. The branches have sales offices, customer service offices and sample collectors.

    The company continues to maintain high growth rates by investing in its real estate and human resources, employing more professionals, and acquiring new clients.

    At the end of the year the company already had 7 laboratories occupying 3000 square meters and testing more than 20 thousand samples per month. In addition, it significantly improved its services regarding environmental expertise and development, product labeling, quality system audits, didactics and training.

Outsourcing of laboratory analyzes
Do not generate costs. We will do it cheaply and professionally!

JARS Ltd. offers outsourcing services according to Client's needs:
- full outsourcing - running a factory lab
- current laboratory analyzes

We are already experienced in implementing this form of cooperation with food industry producers and environmentalists.
We provide our clients with an opportunity to use the services of experienced staff without the need to create additional expensive positions.

Certificates and approvals

  • 3 Topole
  • Agros Nova
  • Amber Spark
  • Animex
  • Anita
  • Bakalland
  • Biedronka
  • Bonduelle
  • Carrefour
  • Cedrob
  • Clinikka
  • Coca-Cola
  • Dalkia
  • Davit
  • Delecta
  • Delicpol
  • Develey
  • Dino Polska
  • Dr Gerard
  • Dr Oetker
  • E’Leclerc
  • EkoNorm Sp. z o.o.
  • ENEA Wytwarzanie S.A.
  • Eurocash
  • Fanex
  • Fresenius Nephrocare Polska
  • FSB Piekarnie
  • Grana
  • Grycan
  • Herbapol
  • Hochland
  • Hotel Westin
  • Hotele Hilton
  • Hotele Radisson
  • Kooperol
  • Kruger
  • Libra
  • Makton
  • Mieszko
  • Mispol
  • Mościbrody
  • MPWiK Warszawa
  • Nordfish
  • Oerlemans
  • Oskroba
  • Otmuchów
  • Pepsi Cola
  • Profi
  • Real
  • Roldrob
  • Rolnik
  • SEKO
  • SGGW
  • Śnieżka
  • Sodexo
  • Suempol
  • Teekanne
  • Telepizza
  • Tesco
  • Virtu
  • Żabka
  • Zagłoba
  • Zielona Budka