Electromagnetism,
our raison d'être!
Transform electromagnetic waves
and their constraints in terms of added value for our customers.
What we do:
The NEXIO group is today a major player in the field of testing, design and simulation in the field of electromagnetism.
Our vision :
Based on a long-term vision, NEXIO pursues a strategy of continuous innovation and international development. It is now present in more than 25 countries.
Our values :
- Team spirit, mutual aid, solidarity, listening, respect
- Ambition, but humility
- Demanding, but pragmatic
- Exemplarity
- Conviviality, Family


Our main activities / our expertise
Realized by our 3 agencies Midi-Pyrénées, Ile de France and Rhône-Alpes, our services cover the different phases of development of electronic products, from technological choices, assistance to design, investigation, technical documentation, qualification…
On the Test Automation side, NEXIO designs, develops and markets a wide range of Test and Measurement Automation software and innovative measurement systems such as the near-field scanner. Its flagship software BAT-EMC is the leader in EMC automation software in France and on the podium in Germany.
The Electromagnetic Simulation Software division develops and markets the CAPITOLE-EM range, enabling you to study the electromagnetic behavior of your products in order to test your designs before the manufacturing phase.
NEXIO shares its experience and remains at the forefront thanks to an Innovation pole from which our products, technological expertise and methods originate. NEXIO is very involved in collaborative projects supported by the regions, the DGA, OSEO, the Competitiveness Clusters and European projects.
Our fields of intervention
Our locations
NEXIO Occitanie
NEXIO Île-de-France
NEXIO Rhône-Alpes
Our test facilities




Own means of measurement :
EMC test facilities for :
– conducted immunity
– radiated immunity
– Measurement in conducted emission
– Radiated emission measurement
- Near-field scanner: Investigative tests intended to assist in the design, investigation and optimization of electronic circuits by evaluating their EMC behavior.
Partnership with customers and laboratories to carry out tests in other sectors:- Automotive
– Space
– Aeronautic/Military
.