A leading technology player at the heart of Europe
In Belgium, SII delivers technology consulting and digital services with a strong focus on high‑impact projects in software development, infrastructure migration, network deployment, and mechanical and electrical engineering.
We operate across the country alongside major players in aerospace, defense, transportation, energy, banking, and the public sector, supporting them in their most strategic technological challenges.
SII in a few figures
1 148 M€
revenue in 2024/2025
16 000
employees
21
countries
100
locations
SII Belgium’s Expertise
SII Belgium is strategically located in Brussels, the capital of Belgium and the heart of Europe. With excellent connections throughout Europe, Belgium offers a dynamic and multicultural environment—an ideal place to build and grow your career with SII.
We lead a wide variety of projects, offering our teams a collaborative environment where they can develop their skills, innovate, and create real impact.
Discover Let’s Tech Together in 1 minute
Didier Bonnet
International Director, SII Group
Antoine Leclercq
International Director, SII Group
Attentive to our clients' challenges and firmly established throughout Belgium, we are committed to providing innovative, high-impact solutions. We achieve this by mobilizing the expertise of our consultants in Belgium and leveraging our group's sectoral, methodological, and Flexshore strengths.
