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Tax-on-web, codes 1250/2250, professional expenses, deductions... Every year it's a headache. And mistakes are costly.
Pension savings, service vouchers, childcare, mortgage loans — you're missing hundreds of euros every year.
Your accountant is overwhelmed in May-June. Your questions go unanswered for weeks.
Enter your income and expenses. KonsultIA calculates your tax, deductions and amount to recover.
Try for freePension savings, housing bonus, childcare costs — ask and get a clear answer in plain language.
Try for freePersonalized checklist of required documents, calculation of amounts to declare and step-by-step guide.
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Discover how KonsultIA transforms everyday life.

Ahmed, 42, employee in Brussels
Ahmed paid €250 to his accountant for his annual declaration and regularly forgot deductions (pension savings, service vouchers).
With KonsultIA's tax simulator, he identified €1,200 in forgotten deductions and prepared his declaration in 30 minutes.
Join the Belgian users who trust KonsultIA.