Benefit from a collective

Would you like to grow and future-proof your company? Are you looking for professional support with issues such as staffing and administration? Are you seeking suitable succession for your business, or would you rather continue as an entrepreneur yourself? Discover what we can do for each other!

Become a partner

Why companies join us

Joining Castellum means forward-looking entrepreneurship with greater strength and more room for independence. These are the benefits of our strong collective:

Group-wide support and economies of scale

From administration to IT, purchasing and personnel

Knowledge sharing and training programmes

Support with education, development and certification

Preservation of individual identity and specialisms

You remain yourself and keep your service and customer contact

Innovative, advanced solutions

Growth through high-quality service provision

Discover more

Erik Keulen

Van Wakeren Beveiliging Managing Director

With Castellum, we combine our strengths: we train top technical professionals, benefit from purchasing advantages and build a strong security group together with passionate entrepreneurs.

Martijn Mathot

Castellum Security Collective CEO

Together, we safeguard not only security, but also each other’s success.

Remon van Rijn

BpN Groep Managing Director

We stay ourselves, yet now have the strength of a large organisation, allowing us to take on larger assignments.

Join Castellum

Good partnerships start with a good conversation.
Email contact@castellumsecurity.nl or fill in the contact form – without obligation – and we’ll get in touch with you soon.

Castellum contact form

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