1. Autónomo: the reference status for going solo
Autónomo (Trabajador Autónomo) status is used by 3.3 million independents in Spain (Seguridad Social 2024 figures).
Autónomo is the Spanish equivalent of the French auto-entrepreneur, with two major differences: no turnover ceiling (an Autónomo can generate several million euros annually and remain under this status), and social contributions calculated on a declared base rather than on turnover (since the 1 January 2023 reform). Registration is done at RETA (Régimen Especial de Trabajadores Autónomos) with Seguridad Social, and in parallel with AEAT (Agencia Tributaria) for taxation.
Tarifa Plana, instituted in 2013 and reformed several times, offers new Autónomos a reduced RETA contribution of €80 per month during the first 12 months (instead of the standard ~€290/month). A second 12-month phase applies a tapered rate (€160 then €230) before returning to full contribution. Autónomos in Madrid, Cataluña, Galicia, and other autonomous communities benefit from regional extensions (Tarifa Plana up to 24-36 months by profile — woman, young, rural return, disability).
An Autónomo's profit is taxed at IRPF (Impuesto sobre la Renta de las Personas Físicas) per the Spanish progressive scale: 19% up to €12,450, 24% between €12,450 and €20,200, 30% between €20,200 and €35,200, 37% between €35,200 and €60,000, 45% between €60,000 and €300,000, 47% beyond (2025 rates). The estimación directa regime (real-profit declaration) is mandatory above €600,000 turnover; below, the régimen simplificado offers lighter accounting. For some activities (retail commerce, restauration), the Módulos regime (flat objective estimation) remains accessible.
2023 RETA reform — contributions on real income
Since 1 January 2023, RETA contributions are calculated on declared real net income (no longer on a flat base chosen by the Autónomo). Transition extends to 2032 with a progressive grid of 15 income brackets. At equivalent monthly rate in 2025: €230 for monthly income < €670, up to €590 for income > €6,000. This reform has overall increased the charge for high-income Autónomos and reduced for low incomes.