Spain has the EU's third-highest business tax burden

Spain ranks third in the EU for tax pressure on small businesses and the self-employed

An analysis by Quantax, based on the 2025 Business Tax Competitiveness Index from the Instituto de Estudios Económicos and the Tax Foundation, places Spain as the third country in the European Union with the heaviest weight of employer social security contributions on total tax revenue. At 25.8%, it far exceeds the EU average of 17.9%. Only Estonia and the Czech Republic record higher figures on this indicator.

The total tax contribution of Spanish companies reaches 17.8% of GDP, three points above the European average (14.8%). For Corporate Income Tax, the nominal rate for small and medium-sized businesses ranges between 23% and 25%, far above Hungary's 9% or Bulgaria's 10%. Estonia, despite a nominal rate of 22%, allows retained and reinvested profits to be taxed at 0%, an incentive conspicuously absent in Spain.

Beyond tax rates, the digitalization imposed by the administration has become a covert way of increasing the tax burden. Small businesses must subscribe to multiple technology services to comply with the law, an additional cost that does not appear in revenue statistics but reduces their competitiveness. Discontent is palpable: business associations denounce a "bureaucratic monster" that demands more time and money than in countries with higher nominal tax pressure, such as Sweden.

With these figures, Spain's position as the third country with the highest tax pressure on small businesses is no coincidence, but the result of a decade of tax increases with no offsetting gains in collection efficiency. While the government boasts of record revenues, small businesses and the self-employed —who sustain the productive fabric— see their margins shrink. The question that remains is: how long can you squeeze the golden goose without breaking it?