Seres OL wishes you a happy holiday season!

As this year is coming to an end, we want to wish all of you a wonderful holiday season and a prosperous and healthy New Year. The Seres OL team thanks you for your continuous support during an unpredictable year and wishes you and your families all the best.

Alors que 2020 touche à sa fin, nous vous souhaitons à tous de merveilleuses fêtes de fin d’année, santé et prospérité pour 2021. L’équipe Seres OL vous remercie pour votre soutien continu durant cette année particulierement imprévisible et vous souhaite ainsi qu’à vos proches le meilleur pour la suite.

Stay safe and keep warm,
The Seres OL Team

Seres OL is starting a new story

As of August 1, 2019, newly founded Seres OL is a part of the Swiss water online instrumentation specialist Swan Group (

With a new ownership and a new management, Seres OL will focus on the development and production of water and hydrocarbon analyzers of highest quality.

Customers of Seres Environnement will profit from the stability of Seres OL and an improved global presence immediately.
In the long term, synergies within the Swan Group will result in new innovative products for industrial use.

Click here for more news…

We are moving!

Seres OL currently relocates to Saint-Victoret. We will be back at your full service in January, 2020.

In order to reflect the changes that Seres OL has faced in the past months, we are moving to a new facility. We are still available during the moving process, but may not react as prompt as usual. Thank you for your understanding.

Our new address:

Seres OL SAS
ZA de la Sipière
219, Avenue de Provence
13730 Saint-Victoret, France