The Siims team has extensive experience in a wide range of areas.

The optimal balance
From international concept development, (integrated) facility management, project direction and HSEC at large multinationals, through to national and international chartered accountancy specialised in the modelling and restructuring of costs and auditing processes in (integrated) facility management HR and IT.
In short, we know the business inside out. We joined forces to provide you with a one-stop shop for all your real estate needs, bringing you the optimal balance of quality and cost.

What sets us apart
Our team members have proven results within international organisations. We are passionate about integrated approach of facilty management and love using our expertise to make our clients happy. We start with guidance and support and we don’t stop until you are satisfied that the concept has come to fruition. That’s what sets us apart.

Jeroen van Dartel Chartered accountant and business analyst
Jeroen has years of hands-on professional experience within leading international companies. With experience in both leading and supporting projects in the Netherlands and abroad, he has proven expertise in various areas including accountancy, fit-out projects, facility management, ICT projects, and in developing and implementing forecasting and budgeting processes. In addition, Jeroen has coached many new business owners to develop financially and organisationally healthy enterprises.

Petra Groeneveld International facility management and real estate project director & management advisor
As a facility management and real estate manager, Petra has experience within various internationally successful companies. Within this role she was responsible for the development and implementation of the vision and strategy for FM & RE concepts. As a project director she has successfully managed worldwide housing, fit-out and FM concepts rollouts in twelve different countries.

Ronald Groeneveld Real estate manager
As an active and engaged real estate manager, Ronald is able to draw on his extensive experience in the interim management of large-scale multi-tenant complexes. In addition he has worked for various companies in such areas as location research and arranging competitively-priced rental agreements. Ronald is particularly skilled at spotting new possibilities for difficult-to-rent offices and other spaces.