Oosterweel in numbers

The Oosterweel connection in Antwerp is often called the “construction site of the century.” It is one of Belgium’s largest infrastructure projects, with TM ROCO playing a central role in delivering the works. The project is divided into multiple lots, with main contractors such as BESIX, Denys, and Jan De Nul working alongside hundreds of subcontractors. Its scale is impressive, with a major impact on mobility in and around Antwerp, and on the wider construction sector in Flanders and beyond.

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The complexity of Oosterweel is not only in the infrastructure itself, but also in its organisation. In 2025 alone, there were 820 active subcontractors, with a total of 4,520 registered workers from 78 different nationalities. This massive flow of people, documents, and obligations is managed in a safe and efficient way with Conneqtr. Our platform today supports more than 4,500 construction sites, with around 15,000 active users. In addition, more than 7,500 subcontractors are connected to the system.

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In brief

The Oosterweel case shows the impact of digitalisation in construction. Where work once relied on manual processes and email, Conneqtr now brings everything together in one central, controlled, and transparent digital environment—making one of Belgium’s largest construction sites manageable and transparent.

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Conneqtr's added value?

Conneqtr brings all administrative and safety processes together in one clear platform. Information is no longer spread across different systems or inboxes, but is centrally available to all teams involved. The biggest benefit? Less duplicate administration, improved safety, and real-time insight into who is on site.

Three reasons why this partnership works

Scalability: With thousands of construction sites and tens of thousands of users, Conneqtr easily scales to complex projects like Oosterweel.
Focus on safety and compliance: Workers only gain access to the site once all social and safety documents are in order, significantly reducing the risk of errors.
Strong collaboration: Main contractors, subcontractors, safety services, and the client all work in the same system, creating one shared and reliable view of the site.
Real-time visibility: Through dashboards and access control, teams always know who is on site, where they are, and what their status is. This is essential on a site like Oosterweel with many nationalities and teams, and it also helps reduce social fraud and social dumping.
Efficiency through digital tools: With the action center and mobile app, subcontractors and site managers can manage and verify documents quickly and without extra administrative work. Digital simplicity becomes a real accelerator on site.

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