Trustees and Tax Advisers in Wallonia: Ensure your property valuations are accurate

With the entry into force of the 2026 Tax Reform Act on the taxation of capital gains on property, the accuracy of your tax calculations is under greater scrutiny than ever from the tax authorities. To protect your clients and ensure their tax returns are correct, Aestim connects you instantly with the best property experts in Wallonia.

 

We provide accountants and tax advisers with certified valuation reports, which serve as a well-reasoned, figures-based basis for justifying the market value of a property portfolio.

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Fair value of the asset

A solid statistical basis for defending the market value of the estate.

Certified valuation

Reliable, well-documented property data tailored to the Walloon tax context.

Secure files

Well-reasoned reports that comply with the tax authorities’ requirements.

Certified property valuations to safeguard your share deals

In a share deal involving a property company, the valuation of the underlying assets is at the heart of the transaction. Our accredited experts (Tegova, VLABEL, RICS) operate throughout Wallonia, auditing and valuing these properties with the utmost rigour.

Delivered within three working days, our official report enables you to justify the price of your shares objectively, thereby minimising any risk of a tax reassessment by the Federal Public Service Finance.

Our promise is simple: to put you in touch
with your nearest professional to obtain an
valuation report that is accredited, recognised, impartial and
thorough, in record time and at an unbeatable price.

Property Valuation and Taxation in Wallonia

1How does Aestim help me with the 2026 Tax Reform Act on capital gains?
In a share deal, the value of the shares depends directly on the underlying property asset. Our accredited experts determine its fair market value, taking into account the property’s age and compliance with standards. This impartial and detailed report serves as the basis for the tax adviser to calculate the adjustments required to determine the share price.
2Is the report suitable for valuing a share deal?
In a share deal, the value of the shares depends directly on the underlying property asset. Our accredited experts determine its fair market value, taking into account the property’s age and compliance with standards. This impartial and detailed report serves as the basis for the tax adviser to calculate the adjustments required to determine the share price.
3Are your experts recognised by the Walloon tax authorities?
Yes, our property valuation experts are recognised by the Federal Public Service Finance, Tegova and Belgaval, and hold major accreditations (ABEX, RICS). Their reports constitute official supporting documents with genuine probative value, which underpin your fiduciary’s tax returns.
4How long does it take to get a property valuation?
The world of accountancy and taxation is subject to strict deadlines. With Aestim, once our expert has carried out an inspection of the property in Wallonia, a comprehensive and well-reasoned valuation report is generated and sent to you within a guaranteed timeframe of 3 working days (provided that all the necessary documents have been supplied). This allows you to respond more quickly.
5Is the appointed expert familiar with the regional property market?
Our network covers the whole of Wallonia (Liège, Namur, Hainaut, etc.). Aestim selects the certified valuer closest to the property to be valued. This local presence is essential for an accurate, swift and fully enforceable tax valuation that stands up to scrutiny by regional tax inspectors.