We find solutions for dealing with energy industry issues
using customised software.

The energy market is already complex enough – our navigation graphic shouldn’t be complicated too.
Feel free to click your way through the levels!

Who relies on us

Some of our references


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Seven2one? What’s that?

We’re your full-service software provider. And when we say full-service, we mean it: from consulting to development to sales, we offer everything you need. As customised as you would like.


Fascinating blog posts and current announcements

Apr 14 2022

Time Series technology from HAKOM Time Series integrated into the Seven2one TechStack

Time series are a highly complex topic, we know that from our own experience. That’s why we decided to use HAKOM technology. Isn’t it great when an entire company dedicates itself to the maintenance and further development of time series?

Feb 08 2022

We are a “Top SME Employer in 2022”!

Yourfirm.de, the online job board for SMEs in German-speaking countries, honoured Seven2one with the designation of “Top SME Employer 2022”.

Mitarbeiterin hält kununu Award in den Händen
Jan 20 2022

We are a “Top Company 2022”!

Seven2one once again belongs to an exclusive circle of companies that qualified for the Top Company seal of approval of website kununu, a platform for rating employers.

A tree-mendous year!
Dec 15 2021

This year we were good again.

We were good again this year. Good at embracing the new, good at doing things differently, good at making an impact – and always good at serving our clients! Read the 2021 year in review here.

Wooden baton on a parquet floor.
Nov 05 2021

Christoph Schlenzig passes the baton and begins serving on the Advisory Board

After 20 years of service, Christoph Schlenzig has retired from his position as Managing Director at Seven2one as of the end of September. He is now serving on the newly founded Advisory Board.

Logo for the 20-year company anniversary of Seven2one
Aug 12 2021

Seven2one turns 20!

From start-up to reliable partner. A total of 65 guests celebrated the 20th anniversary of Seven2one on the rooftop terrace of Tawa Yama.