Self-employed in Spain: What's a contribution base and which should I choose?

Jul 18, 2025 - 17:01
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Self-employed in Spain: What's a contribution base and which should I choose?
Are you an autónomo in Spain who can't get their head around the social security system? Want to find out if you can pay less in fees and which contribution base you should choose? Here's what to know about the system and how to 'cotizar' in Spain.