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The corporate-partner freelancer in Spain, explained
You open the SL thinking you stop being a freelancer and discover you do not: you stay in the self-employed regime, now with a surname. The corporate-partner freelancer (autónomo societario) is the least-explained piece of going corporate in Spain, and the source of most classification scares.
What it is and when it is mandatory
You are a corporate partner if you control the company you work in. The practical rule: 50% or more of the shares (alone or adding those of cohabiting family), or 33% while working in it, or 25% while being a director with management duties. If you meet a threshold, registering as a corporate partner is mandatory; it is not an option you pick but a classification you comply with. Below those thresholds, you work in your own company through the General Regime, like any employee.
The quota: no flat rate, and a floor
A corporate partner contributes on real income like any freelancer, with two differences that sting. The 80-euro flat rate for new freelancers does not apply to corporate partners. And since 2026 the base cannot drop below the General Regime group 7 base: 1,424.40 euros, roughly a 448-euro monthly quota even if the company loses money. Checked 2026-08-22 against Wolters Kluwer’s 2026 quota summary. The income that sets your bracket includes your company salary and your share of profits; run the exact number in the quota calculator.
How you pay yourself: payroll, invoice or dividend
Three channels, three treatments:
| Channel | Company treatment | Your personal tax |
|---|---|---|
| Payroll, as a worker or as a director (only if the bylaws make the position paid) | Deductible expense | Regular income tax; the normal channel for living costs |
| Invoicing your own company for your professional work | A related-party transaction the tax agency reads closely: only with a real independent activity, at market value | Regular income tax on that professional income |
| Dividends | Paid out of profit already taxed at the corporate level | Taxed again on your personal savings scale; as a monthly living channel, the expensive one |
The reasonable salary-plus-retained-profit mix is what the comparison tool computes.
The classic classification mistakes
Staying registered as a regular freelancer after crossing the control thresholds (Social Security reclassifies you on its own and claims the difference). A paid director role without bylaw coverage, putting the salary deduction at risk. Invoicing yourself at token or inflated prices between you and your company. And registering as a corporate partner late: the status starts when the conditions are met, not when you remember. None of these is exotic; all four are the standard checklist of any inspection of a single-owner SL.