Lankhof Beveiliging & Telecom, based in Aalten, has been active since 1987. The company distinguishes itself by providing its customers excellent quality, high service, and flexibility with a close-knit team. With Lankhof joining the group, Castellum expands its presence to the east of the Netherlands and adds telecommunications to its range of services. We are incredibly pleased and proud to have the Lankhof team joining us. Lankhof continues to operate independently, combining the flexibility of entrepreneurship with the strength of the group. With Lankhof’s integration, Castellum Security takes the next step towards our shared ambition: becoming the leading technical security group in the Netherlands.