We deliver a strong human approach to our clients

For every company ready to address innovative & sustainable challenges, Catalay combines advisory, staffing & training solutions for your engineering projects. We do this with our team of highly skilled engineers and our deep understanding of your specific needs. We believe that a human connection and expertise can create the right path towards a more sustainable future.

About Catalay

We want to be the employer of choice for talented & committed engineering/tech profiles who have a passion for engineering in the Belgian market.

Since 2021, Catalay is part of Sisu Group, ensuring sustainable growth through cross-branch collaborations.

“We help our companies accelerate in an environment where they create impact through talent. Sisu takes care of the back-office support such as finance, marketing, hr, and operations.”

-Stephane Collignon, CEO Sisu Group




To be the best home for talented engineers who want to build a career in a vibrant and positive work environment. Catalay helps employees and freelancers to achieve their full potential by giving them diversified missions and enriching training programs.


To build a highly skilled and loyal community of engineering consultants so we can partner up with our clients to accelerate their engineering transitions. Our goal is to support clients to achieve their objectives related to advisory solutions, staffing needs, and training programs. How? We thoroughly understand today’s industry challenges because of our in-house expertise and years of experience.



Our core values


‘pledged or bound to a certain course or policy; dedicated’ We’re in it for the long run. As quality is key, we do what is required to truly understand our clients’ needs. We always aim to stay one step ahead allowing us to deliver the best results.


‘free of deceit, truthful and sincere’ What is on the inside is on the outside. Catalay believes in transparent communication for the day-to-day management of our professional relationships. We are convinced that truthful and sincere communication is the foundation of a long-term partnership between our teams and our clients.


‘amusing entertaining, or enjoyable’ At Catalay, we are a fun and valuable company for our employees. Our employees deliver high-quality work. In return, we like to give them a good time at work. Outside of the working hours we also organize joint activities. Work hard, play hard!

Our team

Get to know the people of Catalay.

Meet the team

Work at Catalay

Join the best home for highly skilled engineers who want to work in a positive and vibrant environment.

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