This misses the obligatory health tax and pension fund contributions.

The pension fund is usually not considered a tax formally, but most people I know assume with our demographics and pension system we are just paying for current retirees (and our 'savings' will be impacted by inflation when it becomes impossible to maintain), so practically it's a tax.

Than there is 23% VAT (ofc much less than 23% because both the IT company and the contractor pass it to client and subtract some cost; so only a piece of it affects the contractor; it's a convoluted thing and I don't really know if I should treat it as ~22.9% or 2.3% tax on a contractor and it's client).