Nezto welcomes Mats Wilhelmsson (KTH) as method advisor

When building an AI-driven valuation tool for the Swedish residential property market, there is one thing we are never willing to compromise on: the methodological foundation. Models can be as sophisticated as they come — but if the underlying method doesn't hold up, nothing does.

That is why we are both proud and humbled to welcome Professor Mats Wilhelmsson from the Royal Institute of Technology (KTH) as a methodology advisor to Nezto.

Who is Mats Wilhelmsson?

Mats is a professor of real estate economics at KTH and one of Sweden's leading researchers in residential valuation and property market analysis. He is perhaps best known as the architect behind the HOX index — one of the most cited and widely used price indices for the Swedish housing market. His research spans hedonic pricing models, regression methods, and housing market dynamics, and his work forms one of the scientific cornerstones of how we measure and understand residential property prices in Sweden.

In short: there are few people in this country with deeper insight into exactly the problem we are trying to solve.

What does the collaboration involve?

Mats joins as a methodology advisor with a focus on ensuring that the Nezto Vision Engine™ rests on solid scientific ground. This covers everything from how we model price development and handle uncertainty intervals, to how we think about geographic granularity and data representativeness.

We see this as an ongoing dialogue, not a one-off engagement. The housing market evolves, and our model must be able to develop alongside it — with the right methodological compass throughout.

Why does this matter to us?

The Nezto Vision Engine™ is not a calculator. It is a decision support tool that agents and market participants must be able to trust when it counts — at the moment of pricing, advising, and making business-critical calls. That trust is not earned through polished design or an impressive demo. It is earned by being right.

Having Mats by our side is a clear signal that we mean it.

We look forward to the work ahead.