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Contact is easy. The easiest way is to call but sending an email is also possible. Would you prefer to visit our offices please make an appointment first. We may be occupied or out in the field.

Telephone : +31 (0) 624636074
Email :
sh126876-t@telfort.nl (temporarily until info@haver-con.eu finally works but we are not
specialized in ICT problems

Post address : Berlagestraat 1
2321 EJ Leiden

Visiting address: Van der Helmlaan 3a
2321 EA Leiden
The Netherlands

The offices are easy reached by public transportation (Train to Leiden Central Station, bus 14 to Zuid-West) but also near the highways A4 and A44 for the directions Amsterdam, Rotterdam, The Hague and Utrecht, all within approx 30 minutes by car.

Parking space is sufficiently available but we have little trouble with oversized limousines. For those nearby parking is available, please call before arriving.

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