Siennax headquarters details
Location map
Open in Google MapsAll Siennax office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Amstelveen HQ | North Holland | Netherlands | Headquarters |
About Siennax
Siennax (Private) is headquartered in Amstelveen, North Holland, Netherlands. Founded in 1998, the company operates across 2 countries with approximately 125 employees worldwide.
Where is Siennax's main office?
Siennax's main headquarters office is located at 6-8 Stroombaan, Amstelveen, North Holland 1181 VX. This serves as the company's primary corporate address and is home to its executive leadership team.
Siennax regional offices
Beyond its headquarters in Amstelveen, Siennax maintains 2 offices across 2 countries. Regional offices span 2 countries.
Siennax contact information
The main switchboard for Siennax headquarters can be reached at 31205478000. For investor relations, visit siennax.com/investor-relations.
What does Siennax do?
During the course of the past nine years, Siennax has established itself as one of Europe's leading enterprise ASPs. Siennax supplies a range of solutions for the support and execution of processes in the field of training, e-commerce and purchasing. In addition, it places its eco-system for ASP services to software suppliers keen to offer their products as a service. Siennax is Europe’s sole Trust Services-certified Service Provider, which has also been SAS 70 type II certified since the close of 2006. This serves as an external guarantee to clients and other interested parties that Siennax’ systems and processes are suitably secure and that all of the necessary IT-controls are both available and effective in providing assurances in the field of integrity and availability.
Frequently asked questions
Where is Siennax headquarters?
Siennax's headquarters is located at 6-8 Stroombaan, Amstelveen, North Holland 1181 VX, Netherlands.
How many offices does Siennax have?
Siennax operates 2 offices across 2 countries as of 2026.
What is Siennax's corporate address?
The official corporate address is 6-8 Stroombaan, Amstelveen, North Holland 1181 VX.
When was Siennax founded?
Siennax was founded in 1998 and has grown to employ approximately 125 people worldwide.
What is Siennax's phone number?
The main phone number for Siennax headquarters is 31205478000.