Our project and the advice of H. Derris were implemented excellently. He was always responsive, any multiple short-term changes were implemented very promptly and professionally. His own suggestions and elaborations were always professional and always comprehensibly prepared. With his team and himself, the customer is in the foreground, so it should be, here is not sold at any price, but also sometimes critically questioned the project. We would work with H. Derris and his team again at any time.
Thank you family W. from Stutensee
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