B3 Bouwadviseurs is a Dutch construction advisory firm. They help with project management, cost control, contract formation, permits, and on-site supervision. They support developers, government bodies, and architects in building projects, from plan engineering to quality control and keeping costs in check. They also provide tender documents and project guidance. The site lists example projects in Amsterdam and a large refit of a care home, and it mentions a job opening for a calculator (cost estimator). For more information, they invite contact via the site.

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