SII Belgium - Your Partner in Digital Transformation
Founded in 1995, at SII Belgium we have become a key player in the Belgian IT landscape. As a proud member of the SII Group, we are your trusted partner in IT, engineering, and consulting. We drive digital transformation, streamline business processes, and optimise applications.
Our innovative approach and broad expertise across diverse technologies and specialisations enable us to boost client productivity and operational efficiency. We focus primarily on consultancy, where we bring the right talent to the right project—ensuring our clients’ success through tailored and high-impact solutions.
SII in a few figures
1126 M€
turnover in 2023/2024
16 000
employees
20
countries
100
sites
SII Belgium’s Expertise
In Belgium, we specialise in technology consulting and digital expertise, focusing on high-impact projects in software development, embedded engineering, telecommunications, and infrastructure. We operate across the country alongside key players in sectors such as Aerospace & Defence, Telecommunications, Energy, Banking & Insurance, Retail, Transport, and Professional Services.
At SII Belgium, we are strategically located in Brussels—the capital of Belgium and the heart of Europe. Home to the European institutions and NATO headquarters, Brussels is exceptionally connected to France, the Netherlands, and Germany. This vibrant and multicultural capital is the ideal setting for developing a career in a truly international environment.
We manage a wide range of projects, offering our team a dynamic and collaborative workspace where they can expand their expertise and make a meaningful impact.
Discover Let’s Tech Together in 1 minute
Didier Bonnet
International Director, SII Group
Antoine Leclercq
International Director, SII Group
Attentive to the challenges faced by our clients and firmly rooted across the entire Belgian territory, we are committed to delivering innovative and impactful solutions. We achieve this by leveraging the expertise of our consultants in Belgium and capitalizing on the sectoral, methodological, and Flexshore strengths of our group.
OUR OFFICES
Brussels – Lenneke Marelaan 12/1
1932 Sint-Stevens-Woluwe
Phone number: +32 2 713 65 00