About us

We make IoT that works. We put things online to monitor and control if they break, need service or someone has to be alarmed.

COSESY=COmmunicating SEcure SYstems. This is our name from before IoT was born.

Our team, experience and turn-key toolbox is used in 50+ products and by more than 20.000 people.

The FireFender products are the results of a Scandinavian co-operation. Cosesy A/S in Denmark have made IoT security products since 2011 and Dafo Brand AB in Sweden has 100 years of history as one of the largest suppliers of fire-protection in the Nordics. We have a simple mission: more safety, less costs. Click here to view our code of conduct.

 

Cosesy headoffice
photo of CEO Rene Winther
René Juul Winther

Partner & CEO

rjw@cosesy.com
 
Cosesy headoffice

Get in touch

We constantly improve our technologies with new features, services and hardware and appreciate innovation and ideas from our partners. We strive to have long-lasting collaborations.

COSESY is placed in Aarhus, Denmark. We would love to hear from you, so please send your contact information or call us at +45 61 60 12 11.

COSESY A/S   -  Viengevej 100  -  Risskov   -   Denmark