De Nijs understands the building industry. The company is innovative and creative but bears contingencies in mind. The heart and focus of the company is on building and contracting. De Nijs is also involved in Project Development at times in tandem with others. They also accept commissions from third parties. A subsidiary named De Nijs Castricum works on smaller and private projects.
The company operates their own joinery where in addition to frames they produce various interior timber mouldings.
They are conscientious and ensure that all frames are of the highest quality and delivered with full maintenance contracts. In this way the company can be certain that the sustainable timber products they install are of the highest standard.