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kontora generates your tax forms box by box, tells you how much to set aside and reminds you before every deadline.
RETA (self-employed social security regime)
RETA is the special social security scheme that self-employed workers, including corporate autónomos, contribute to in Spain. For 2026 it has 15 net-income brackets, frozen at 2025 levels, with a total contribution rate of 31.5%.