There are four intercity trains per hour from Amsterdam to Alkmaar. From Haarlem, there are at least two trains an hour to Alkmaar. Departure times can be found on the website of the Dutch railways.
From the train station in Alkmaar, you can take Bus 151, Bus 155 or Bus 157. These buses depart multiple times an hour. Exit at bus stop 'Voltastraat'. From here, it is a 5 minute walk to the office. /p>
If you have an 'OV fiets' membership, you can rent a bike at Fietspoint Stoop, at the front side of the train station, under the stairs. Cycling from the train station to the Ampèrestraat takes about 7 minutes.
It is also possible to walk from the train station to the Ampèrestraat. This takes about 25 minutes (2 km). Take the train station rear exit 'Bergermeer'.
From Amsterdam, follow the highway A9. When approaching the city of Alkmaar, take exit 12 in the direction of Den Helder (N9). Reaching the round-about 'Kooimeer', take the third exit towards N9 / Western beltway. Follow this road for about 5 kilometers.
Take the exit to the Northern beltway (N245). Immediately take the right exit ('Viaanse Molen') after passing the petrol station Firezone. At the traffic lights on the end of the exit, turn left, passing under the beltway.
After 400 meters, go straight ahead at the traffic lights. After another 150 meters, turn left onto the business area Viaanse Molen (Voltastraat). After 130 meters, the office complex 'Diamant II' is on your left side.
Your car can be parked on the terrain. The entrance of the office is at the inner courtyard.