About us
Who we are and
what we do
The ZZP-experts with 18 years of experience. We know exactly what you need to start working independently without worries.

All under one roof
Thanks to us, you can focus on your work, we'll take care of the rest.
As a freelancer, you often have enough to do. Worrying about your outstanding bills and your next assignments is a thing of the past when you work with us.
You determine your own hourly rate and bill us for it in full. There are no extra costs involved when enjoying the benefits of Alertec, which means it doesn’t cost you anything.
18 years of experience.
By this, we know exactly what you need to get started without worries.
Personal collaboration
Questions about invoicing or looking for a (temporary) assignment? Our experts are here to help you further.



Do you want to know what we can do for you?
Please contact us. We would be happy to tell you more about how we can make your work as a freelancer much easier.
Frequently Asked Questions
When you work with us as a freelancer, teaming up costs nothing other than a little bit of your time. We add a small charge to your clients, not to you.
We offer freelance assignments with clients in the construction and engineering field. These clients may be from large, renowned companies to smaller ones. Because of the thriving industry, there are always clients looking for professionals such as yourself.
You can set your own hourly rate, so what you will make is ultimately up to you. Of course, we will advise you on what clients want to pay, but you are free to decide for yourself.
We pay your invoice within 7 work days. This way, you always know exactly when you’ll get paid.
To us, not your clients! We set up a contract with you so you can bill your invoice to us.