Welcome!

THELYS is a French based company founded in 2003.
We mainly develop and distribute packaged applications for utilities and CRM / ERP software applications in France, Switzerland or for multi-langual companies. We are specialized in developing cost effective, scalable, web based solutions using Oracle Application Express (APEX).

As well as our own packaged products we provide services from IT and organizations consulting to designing, developing and delivering best of breed application systems.

Passionate about new technologies, we are committed to making available the contributions of Web innovations in any information system.


From showcase websites to internal management applications or Cloud Information Sharing Portals, we will make every effort to provide you with the best solutions, at always managed costs.

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Latest news

Version 5.1 APEX

New version 5.1 of ORACLE APEX  
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New partnership with FOEX

FOEX is an Austrian company founded in 2012 by Oracle Experts Peter Raganitsch and Matt Nolan. The FOEX Plugin Framework is a low-code Enterprise Rapid Application Development solution which enables to built large-scale web applications declaratively based on PL/SQL and APEX
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Managing taxes

An increasing number of people now want to do their part to save the planet due to the worsening problems caused by global warming. Unfortunately, numerous people assume that going green is costly and time consuming. Read on to discover
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Our team

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