Commenced operations in 1981. Intending to improve the quality of housing in The Netherlands, The Woningborg Group is the largest of the three home warranty companies in The Netherlands and consists of three complementary companies dealing with home warranty certification (Woningborg N.V.), technical consultancy (Woningborg Advies B.V.), and technical screening and supervision on applying mandatory building regulations (Woningborg Toetsing en Toezicht B.V.).

Woningborg guarantees against builder bankruptcy, ensures that dwellings covered by the scheme comply with quality requirements, and provides the purchaser security in the event of deficiencies over a 10-year period.