Many self-employed professionals believe that the sale of a vehicle, business premises, machinery or any other asset used in their business is simply ‘included’ in their business income. But that is not the case. And here is where the tax surprises begin.
If, over the past year, you have sold any assets used in your business, it is important to carefully check how that transaction should be treated for income tax purposes. Because a mistake here could be costly. And the Spanish Tax Office know it.
The sale of assets is NOT taxed as business income
Even if the asset was used for business purposes, the profit made on its sales is not considered business income.
In fact, the Spanish Tax Office treat it as a capital gain or loss, which is included in the personal income tax savings and is currently taxed at rates ranging from 19% to 30%.
In other words: for tax purposes, the sale of a business vehicle may end up being taxed in the same way as the sale of shares or a private home. And be careful, because this rule applies to self-employed professionals under:
- the direct estimation system, as well as under
- the objective estimation system (“modulos”).
The calculation: where many taxpayers go wrong
Capital gains or losses are calculated as the difference between:
- the sale price of the asset; and
- its net book value.
It seems simple, the problem comes when depreciation is involved. The net book value is obtained by subtracting from the purchase price:
- the depreciation already claimed, and also
- the minimum depreciation that should have been claimed.
And here is one of the most common mistakes: many self-employed professionals believe that, if they did not claim depreciation in previous years, the value of the asset will be higher, and they will pay less tax when selling it. Wrong. The Spanish Tax Office still require you to deduct the mandatory minimum depreciation, even if you have never claimed it. Result: the capital gain can increase unexpectedly.
A detail that could save you thousands of euros
There is also a particularly important issue for self-employed professionals with older assets.
If the assets were acquired before 31 December 1994, many taxpayers assume that they can automatically apply the well-known reduction coefficients to reduce the tax liability on the capital gain.
But there is some bad news: as long as the asset remains used in business activities, these coefficients do not apply. However, there is a perfectly valid tax strategy that can make a huge difference: If the asset ceases to be used in business activities and remains decommissioned for at least three years before sale, it will be considered part of your private assets. The result? You will be able to benefit from the tax relief coefficients and significantly reduce the tax on the capital gain. In certain cases, proper planning can lead to substantial tax savings.
Don’t sell without first checking the tax implications
Many self-employed professionals sell assets thinking only about the sale price… and later discover that the real problem was the tax bill.
A seemingly straightforward transaction can have significant consequences for your income tax if it is not properly planned in advance.
This is particularly relevant in cases involving:
- Business premises.
- Company vehicles.
- Depreciated machinery.
- Assets acquired before 1994.
- Family businesses with long-standing assets.
Analysing the transaction before finalising the sale can enable you to significantly reduce your tax liability and avoid common mistakes that the tax authorities are scrutinising in ever more detail.



