KOSTER verzekeringen b.v. is an independent insurance company in Alphen aan den Rijn. KOSTER doesn't sell policies but helps its customers during the buying process! Below you will find pages with more information. Of course you are always welcome to contact us directly.

The Extranet is an important part of the communication with our clients. Every day of the year, 24 hours a day, you have access to all your policy information. On the Extranet you will find policy information, look into invoices and more. There is also iinformation about health care insurance and pension schemes. In case you don't have an active account on Extranet, you can request a code to activate it here.

Sure! is a compilation of press reports as well as market research conducted by KOSTER verzekeringen b.v. and Europe House, Inc., in order to gain more insight into the developments concerning the insurance industry as it relates to the overall global economic climate, social structure and the political environment.

Stichting Koster Service Schrift, de informatieve uitgeverij van KOSTER verzekeringen b.v. | Alphen aan den Rijn | info@koster.nl | 0172-424244