Why Retarus?

Retarus’ vision is to cre­ate the per­fect net­work for the glob­al econ­o­my. There­in, Retarus man­ages the safe and effi­cient flow of infor­ma­tion for enter­pris­es around the world.


Trans­par­ent: Retarus’ man­aged ser­vices provide detailed insight into every trans­ac­tion. At all times. That gives you 100% con­trol.

Around 4,700 com­pa­nies around the world rely on Retarus’ man­aged ser­vices.

OPEX not CAPEX: With Retarus’ cloud-based mes­sag­ing ser­vices you only pay “per use”. Sim­ply reduce your invest­ment in hard­ware to zero.

In twelve coun­tries across five con­ti­nents, over 300 Retarus employ­ees bear a sin­gle object in mind: to sat­is­fy your com­mu­ni­ca­tions needs.


Flex­i­bil­i­ty depends on scal­a­bil­i­ty. So when your busi­ness grows, Retarus’ man­aged ser­vices grow with you.


Europe's 500kununuBayerns Best 50IT Security made in GermanyGerman Accelerator Tech


PCI DSS CertifiedSAP Certified

In which of Retarus’ glob­al­ly avail­able data cen­ters do you prefer us to process your data? Decide your­self. This ensures that your com­mu­ni­ca­tion process­es meet all local require­ments and data pri­va­cy reg­u­la­tions.

Upon request, Retarus’ sup­port team is avail­able for you around the clock.

Retarus has been pro­vid­ing since 1992 what is now com­mon­ly known as cloud ser­vices — the suc­cess­ful inter­change of busi­ness infor­ma­tion. That means that our cus­tomers ben­e­fit from over twen­ty years of expe­ri­ence and know-how.

Retarus’ ser­vices are com­pat­i­ble with all com­mon stan­dard inter­faces.
If required, you will also receive an extra-spe­cial fea­ture — indi­vid­u­al cus­tomiza­tion.


TeletrustBitkomDie Jungen UnternehmerDie Familien UnternehmerRIPE NCCVerband elektronische RechnungbaymeDSAGDOAGMicrosoft Partner NetworkDeutsch-Japanischer WirtschaftskreisITACharta der digitalen Vernetzung

Retarus stops annu­al­ly over half a bil­lion unde­sired mes­sages around the globe before they can cause any dam­age to the inbox­es of our cus­tomers.

Need more figures?

Please feel free to request more details. Con­tact your Retarus con­sul­tant direct­ly at +49 89 5528 0. We look for­ward to hear­ing from you.

Choose your country or region.