Freelancers and Certos
For decades, freelancers and Certos have worked together on technical projects, from short-term assignments to long-term projects. We believe in fair, long-lasting partnerships. That is why many freelancers work with Certos for extended periods and remain connected with us for many years.
We are keen to continue the successful partnerships we have built. Are you a technical specialist? Are you looking to start working as a freelancer? Or would you like to expand your network and build for the future? Register with Certos and work on exciting projects for leading companies.
Why freelancers choose Certos:
Attractive rates and terms
Payment always within 30 days
A wide choice of projects
Projects for both local companies and major international clients
Varied work across different industries and sectors
The freedom to manage your own schedule
We take care of the administration
Additional support backed by Certos’ knowledge and experience
Allround Monteur Industrie en Techniek (ZZP) – regio Den Haag/Rotterdam
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ZZP
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Zuid-Holland
ZZP
Zuid-Holland
Allround Monteur Industrie en Techniek (ZZP) – regio Eindhoven
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ZZP
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Noord-Brabant
Allround Monteur Industrie en Techniek (ZZP) – regio Amsterdam
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ZZP
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Noord-Holland
Technical professionals you can rely on – for almost 50 years
Since 1977, we have focused on what we do best: keeping our promises and being honest and transparent. With a practical, no-nonsense approach, we deliver craftsmanship and quality every day. Our experience in machine building and technical services makes all the difference – for clients and technical professionals alike.
