Growing from a solo freelancer into someone who employs staff is a genuine milestone — and a bigger legal shift than many autónomos expect. Spain's labor protections apply from the very first hire, with the same rigor as they would to a large corporation, which means the informal, flexible approach that may have worked for your own self-employed activity doesn't translate directly to managing an employee.
Step 1: Register as an Employer With Social Security
Before you can legally hire anyone, you need to register as an employer (obtaining a "Código de Cuenta de Cotización") with the Spanish Social Security system — a separate registration from your existing autónomo registration. This formal step needs to be completed before your new employee's start date, not as a follow-up formality afterward.
Step 2: Choose the Correct Contract Type
Spanish labor law requires a written employment contract specifying the exact type of employment relationship, and this choice carries real legal significance — it's not a mere formality. Broadly, contracts fall into categories including indefinite (indefinido) and various forms of temporary (temporal) contracts, though since the significant 2022 labor reform, temporary contracts are considerably more restricted than they once were, meant genuinely for temporary needs rather than as a flexible default for ongoing work.
Using a temporary contract for what is, in substance, an ongoing role can expose you to the contract being reclassified as indefinite, with associated legal and financial consequences — this is an area where getting the initial classification right matters considerably.
Step 3: Understand Your Payroll Obligations
As an employer, you take on real, recurring payroll obligations: calculating and withholding income tax (IRPF) from your employee's salary, paying employer Social Security contributions (which represent a meaningful additional cost on top of the employee's gross salary, not simply the salary figure itself), issuing proper payslips (nóminas), and filing the associated regular reports with tax and Social Security authorities.
This is genuinely more involved than managing your own autónomo tax obligations, and many new employers underestimate the ongoing administrative commitment involved, which is why many choose to work with a gestor or payroll specialist rather than managing this entirely independently.
Step 4: Check for an Applicable Collective Bargaining Agreement (Convenio)
Many sectors and industries in Spain are governed by a "convenio colectivo" (collective bargaining agreement), which can set minimum terms — salary floors, working hours, specific benefits, and other conditions — that apply to employers in that sector, regardless of what you might otherwise negotiate directly with an employee. Checking whether a relevant convenio applies to your business, and understanding its specific terms, is an essential step that's easy to overlook if you're used to operating purely as an independent freelancer without this layer of sector-specific regulation.
Employee Protections Apply From Day One
Spain's labor law provides meaningful protections to employees from the very start of employment — this isn't a framework that only kicks in after some probationary period expires or after an employee has been with you for a certain length of time in any meaningful sense. Dismissal rules, for example, generally require proper legal grounds and procedure even for a very recently hired employee, and getting this wrong can expose you to real financial consequences (severance obligations, or a legal challenge to the dismissal) even for a short-tenure hire.
This is a genuine mindset shift for many first-time employers coming from a purely self-employed background, where the flexibility of working independently doesn't prepare you for the more structured obligations of managing staff.
What Happens If Things Don't Work Out?
If you need to end the employment relationship — whether due to business circumstances, performance issues, or other reasons — the process needs to follow the correct legal framework for the specific circumstances involved, generally including proper documentation, appropriate notice or severance where applicable, and adherence to the correct dismissal category and process. Getting this wrong, even unintentionally, can result in the dismissal being challenged and potentially reclassified as "improcedente" (unfair), with meaningfully higher severance obligations as a result.
This is exactly why understanding the correct process — ideally before you need it, not scrambled together in the moment — matters considerably.
Common Mistakes New Employers Make
Treating the employment relationship with the same informality as their own freelance work. Spain's labor protections don't extend the same flexibility to how you manage an employee that you might have enjoyed as a sole autónomo.
Choosing a temporary contract for what is, in practice, an ongoing role. As covered above, this can expose you to reclassification risk and associated consequences.
Not checking for an applicable collective bargaining agreement. Overlooking sector-specific minimum terms can create compliance gaps you weren't even aware existed.
Underestimating the true cost of an employee. New employers sometimes budget based purely on the gross salary figure, without properly accounting for employer Social Security contributions and other associated costs, leading to unpleasant surprises in cash flow planning.
Not having a proper process in place before it's needed for ending an employment relationship. Scrambling to figure out the correct dismissal process only once you're already in the situation increases the risk of costly mistakes.
What First-Time Employers Should Actually Do
- Complete your employer registration with Social Security before your planned hire date, not as an afterthought.
- Choose the correct contract type deliberately, based on the genuine nature of the role, rather than defaulting to whichever seems simplest.
- Check for an applicable collective bargaining agreement in your sector, and understand its specific minimum terms.
- Budget realistically for the full cost of employment, including employer Social Security contributions, not just gross salary.
- Understand the correct dismissal process for your circumstances before you need it, ideally with guidance from a labor law professional or experienced gestor.
Hiring your first employee is a genuine step forward for your business — but it's also a meaningful shift in legal responsibility that deserves proper structure from day one. Getting the foundational pieces right — registration, contract type, payroll setup, and understanding your obligations — sets you up for a considerably smoother experience as an employer than treating it as simply "freelancing, but with extra paperwork."
This article is for general informational purposes and does not constitute legal advice. Labor law requirements are detailed and sector-specific. For guidance specific to your situation, consult a qualified labor lawyer or gestor.
Sources and references
This article was prepared by the CarWay Migrate legal team using the following official sources. Requirements change, so confirm current rules before acting:
- Seguridad Social — empresarios y obligaciones de alta
- SEPE — modalidades de contratos de trabajo
- Estatuto de los Trabajadores (BOE)
Related reading
Need this reviewed for your own case? CarWay Migrate is a Spanish immigration and tax law firm working with English-speaking clients across Spain. Book a consultation and we will look at your specific situation.
Further English-language reading consulted while preparing this article: Movewise — employing staff in Spain · Expatica Spain — Spanish labour law guides · Balcells Group — employment notes.


