We Build the Infrastructure That Keeps Compliance Moving
For over twenty-five years we have helped enterprises, regulators, software vendors,
and accounting firms turn complex regulatory requirements into reliable, automated
workflows.
We are not a consultancy that happens to sell software. We are an engineering-led platform company that happens to understand regulation deeply — because we have been building for it since before most of our customers had a compliance team.

From XBRL pioneers to digital compliance leaders
What Drives Us
Compliance infrastructure is invisible when it works. Our job is to make sure it
always works: that every invoice reaches the right network, every report satisfies the right schema, and every document exchange carries the legal weight it needs to.
We believe the organisations best placed to build that infrastructure are the ones that participate in writing the rules. Semansys contributes actively to OpenPeppol, WE BUILD, and eIDAS 2.0 working groups — not as a marketing exercise, but because the implementation experience we bring to those tables makes the standards better, and the standards intelligence we bring back makes our platform stronger.
Who We Work With
Enterprises and shared service centres
Software vendors and platform providers
Accounting and advisory firms
Regulators and government agencies
Where We Are
Headquartered at
Oude Middenweg 31
The Hague
Netherlands
Engineering and operations in Sofia, Bulgaria.
Active across eleven European jurisdictions and growing.