We are Stadim
THE REFERENCE IN REAL ESTATE STRATEGIES & VALUATIONS
Independent real estate advice, backed by data and supported by people.
Stadim is an independent real estate consultancy with more than 30 years of experience in valuations, strategic advice and data-driven insights. We work for investors, companies, financial institutions and public organizations across the Benelux, at every stage of the real estate cycle.
What sets us apart is the combination of in-depth market knowledge, proprietary analytical models and a multidisciplinary team of more than 70 professionals. We never act as a broker or investor. Our only role is to help you make the right decision, informed, independent and tailored to your context.
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Sustainability Vision
We walk the talk: sustainability starts with ourselves.
At Stadim, we integrate sustainability not only in the advice we give, but also in the way we do business ourselves. We are convinced that a company that guides clients in making their real estate and real estate strategy more sustainable must also live up to that conviction in its own operation.
That is why, through the Voka Charter Sustainable Business (VCDO), we are working on a structural sustainability policy, with new objectives every year in the areas of the environment, social policy and good governance. Through this trajectory, we aim to grow towards the international recognition of SDG Pioneer and SDG Champion.
Stadim is also a member of the Belgian Green Building Council (BGBC), the national platform promoting sustainable construction and real estate as part of the global World Green Building Council network. In this way, we stay connected to the international agenda around sustainable buildings and actively contribute to the development of sector standards.
Our history
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Studies, advice and knowledge sharing: in our DNA from the beginning.
The name says it all: Stadim stands for STudies en ADvies in IMmobilien. When Philippe Janssens and Paul De Wael founded the company in Antwerp in 1996, the focus was on writing real estate studies and sharing knowledge. Philippe Janssens had co-founded the Postgraduate Certificate in Real Estate Studies at KU Leuven a year earlier. So teaching and knowledge transfer were ingrained in the way Stadim viewed his profession from the very beginning.
In the years that followed, Stadim grew organically. Valuations, initially an addition to the research and consulting core, gradually took on an increasingly prominent role. The team expanded, sector knowledge deepened, and Stadim gradually grew into a household name in the Belgian real estate world. This growth accelerated significantly in 2012, when Partners Céline Janssens and Katrien Van Grieken joined the team. Under their impetus, the scale and volume of the valuation practice took a major leap forward.
Meanwhile, knowledge sharing remained a pillar. Stadim taught at the KU Leuven postgraduate program, as well as at colleges and universities such as AP, Thomas More, EHSAL and Odisee. What would later become the Stadim Academy was essentially in place from day one.
In 2018, Partner Nicolas Janssens joined the team. He focused on further professionalizing the internal structure and took the first steps toward a data pillar of his own, culminating in the creation of StadimData in 2021. With the arrival of data engineers, architects and software developers, Stadim grew into more than just a consulting firm. Partner Frederik Boumans started in 2019 and from the moment he took office worked on the quality of services and the further expansion of our data and application environment. In 2021, Stadim opened its second office, in Brussels at Tour & Taxis.
In 2023, Partner André Stolk joined the partner team. He brought with him a strategic view and steered the expansion of sustainability consulting services and the Valory Suite. Today, we continue to build four complementary teams: Valory, Strategic Consulting, Sustainability Consulting and Data & Apps, each with their own expertise but closely intertwined in day-to-day collaboration.
More than 70 professionals, two offices, proprietary technology and an academic anchoring that is never disconnected from practice. That’s Stadim today.
Who we are and our approach
Who we are
Real estate expertise that goes beyond a number.
Stadim was founded in 1996 by Philippe Janssens and Paul De Wael, with one clear ambition: to offer independent and substantiated advice to professional clients who need more than a standard estimate. We still carry that ambition today, with a team of more than 70 professionals and offices in Antwerp and Brussels.
We combine market data, proprietary analytical models and in-depth sector knowledge to value real estate and inform strategic decisions. We do this for all types of real estate in the Benelux.
Our approach
Six principles define how we think and work at Stadim.
Independent
We never act as brokers, developers or investors. This makes our advice objective and our analyses free from commercial pressures. You get an honest answer, even if it’s not the easiest.
Data-driven and substantiated
Our valuations and opinions rely on analytical models, historically built databases and internationally recognized standards such as the RICS Red Book and the Tegova Blue Book.
Focused on strategy and future
A real estate decision is not only about value today, but also about potential tomorrow. We analyze real estate in its broader context: market trends, regulations, sustainability requirements and long-term risks.
Connected to an international network
For clients with real estate outside the Benelux, we work with trusted partners within the European Valuers’ Alliance (EVA), active in 15 countries. This allows us to provide you with the right expertise in those cases as well.
Multidisciplinary
Real estate issues touch on legal, tax, technical and financial aspects. Our team combines expertise in economics, law, sustainability and data science. Complex issues are considered from multiple perspectives.
Transparent, personal and committed
We communicate clearly about our assumptions, our methodology and our conclusions. You get not just a report, but a substantive sparring partner who is discreet and committed to your decision.
