Tax office, Social Security, the flat-rate fee, your IAE business classification code, or the nine steps to set up an SL. Interactive checklist, fee simulator, and up-to-date guides, all focused on Spain.
Move the slider according to your estimated monthly net income (revenue minus expenses) and compare the flat-rate fee with the bracket-based fee you'd pay afterward. Figures illustrative: the current, official figure is always at sede.seg-social.gob.es.
Rough simulation for educational purposes. It doesn't replace Social Security's official simulator or advice from a gestoría (tax and admin advisor).
Check off each step as you complete it; your progress is saved in this browser. The Punto de Atención al Emprendedor (CIRCE / PAE system) lets you handle most of the steps for registering as self-employed or setting up an SL online, for free, in a single submission (the Documento Único Electrónico, or DUE), including reserving the company name and filing the deed with the Companies Registry.
The fastest, cheapest way to start invoicing: no minimum capital, no notary, generally up and running in 1-3 days.
More paperwork and somewhat more upfront cost, but it separates your personal assets from the company's from day one.
New content published regularly: from initial registration to quarterly taxes.
Dissolving and liquidating a Spanish SL: General Meeting, dissolution deed, Companies Registry, deregistering with the tax office and Social Security, and how much each step costs.
There's no legal requirement to open a specific bank account for self-employed work, but there are clear practical and tax advantages to keeping it separate.
A practical guide to stopping self-employed status and setting up an SL for your business: order of steps, what to do with clients and contracts.
There's no legal income threshold that exempts you from registering: the obligation depends on how regular the activity is, not on a specific figure.
We compare Holded and Quipu as invoicing software for self-employed workers and small businesses: features, price, and which business profile fits each one.
We compare Declarando and TaxDown as online gestorías for self-employed workers: what each plan includes, customer support, and who fits best with which.
What a mutua colaboradora (workplace insurer) with Social Security is, what it covers for a self-employed worker, and what to consider when choosing one at registration.
Differences between the FNMT digital certificate and the Cl@ve system, and how to get them to do all your self-employed paperwork online.
Differences between hiring an online gestoría and a traditional in-person one: price, service, and which fits your business better.
Filter by the type of procedure you're dealing with right now, each category's icon helps you find your way at a glance.
Dissolving and liquidating a Spanish SL: General Meeting, dissolution deed, Companies Registry, deregistering with the tax office and Social Security, and how much each step costs.
There's no legal requirement to open a specific bank account for self-employed work, but there are clear practical and tax advantages to keeping it separate.
A practical guide to stopping self-employed status and setting up an SL for your business: order of steps, what to do with clients and contracts.
There's no legal income threshold that exempts you from registering: the obligation depends on how regular the activity is, not on a specific figure.
We compare Holded and Quipu as invoicing software for self-employed workers and small businesses: features, price, and which business profile fits each one.
We compare Declarando and TaxDown as online gestorías for self-employed workers: what each plan includes, customer support, and who fits best with which.
What a mutua colaboradora (workplace insurer) with Social Security is, what it covers for a self-employed worker, and what to consider when choosing one at registration.
Differences between the FNMT digital certificate and the Cl@ve system, and how to get them to do all your self-employed paperwork online.
Differences between hiring an online gestoría and a traditional in-person one: price, service, and which fits your business better.
Additional discounts on the self-employed fee for certain groups: women in small municipalities, people with disabilities, and people under 30.
How Spain's self-employed contribution-by-net-income-bracket system works: what the minimum base is, how it's chosen, and how it's adjusted.
Requirements to access the self-employed flat-rate fee in 2026: who can request it, how long it lasts, and how to apply for it during RETA registration.
How the self-employed flat-rate fee works in 2026, how long it lasts, what requirements it has, and how your fee is calculated by income bracket afterward.
How an SL is taxed under corporate tax versus how a self-employed worker is taxed under income tax (IRPF), with the applicable rates and when each one suits you.
Differences between being taxed under direct estimation (normal or simplified) and objective estimation (modules), and which activities can choose modules.
What the income and expenses register book is, what data it must include, and how to keep it up to date with invoicing software.
How a Spanish self-employed worker is taxed when invoicing clients in the EU or outside it: reverse charge and Modelo 349.
What the equivalence surcharge is, which self-employed workers must apply it (retailers), and how it changes the way they file VAT.
When you can issue a simplified invoice instead of a full one, and what details each one requires under Spanish regulations.
Common deductible expenses for self-employed workers in Spain: home utilities, vehicle, meal allowances, software, and office supplies.
What Modelo 390 is, when it's filed, and which self-employed workers are exempt from filing it even after filing all four Modelo 303 returns.
What Modelo 303 is, how the difference between VAT charged and VAT paid is calculated, and what happens if the result is negative.
What the Modelo 130 income tax installment payment is, who's required to file it, how it's calculated, and each quarter's deadlines.
Which tax forms a self-employed worker in Spain must file, how quarterly VAT works, and what expenses you can legally deduct.
Differences between being a working shareholder and a capital shareholder in an SL: day-to-day involvement, RETA registration, and profit sharing.
What the CIRCE system (Punto de Atención al Emprendedor) is, what procedures the Documento Único Electrónico covers, and how to use it to set up your SL.
What an SLU is, how it differs from an SL with several shareholders, and what specific obligations the sole shareholder has.
Real timeframes for setting up an SL: name certificate, notary, registry filing, and tax registration.
A breakdown of the real costs of setting up an SL in 2026: notary, Companies Registry, gestoría, and share capital, plus the free CIRCE option.
The minimum content an SL's company bylaws must have: name, company purpose, registered address, capital, and management structure.
Since the 2022 reform, an SL's minimum share capital is €1, but in practice there are nuances worth knowing before deciding how much to contribute.
A comparison between setting up an SL or registering as self-employed: cost, personal liability, taxation, and when each one makes sense.
How to set up an SL in Spain step by step: share capital, bylaws, notary, Companies Registry, and tax registration. Includes the free CIRCE route.
What registering as a collaborating self-employed worker is, when it's used for family members who work in the business, and what discounts it carries.
How to deregister as self-employed with the tax office and Social Security, what deadlines you have, and what happens to your last tax filings.
Whether you can register as self-employed part-time in Spain, which activities it applies to, and what it means for your fee.
What pluriactividad (dual employment status) is, when it applies if you're an employee and self-employed at the same time, and how it affects your fee.
Differences between registering as an individual self-employed worker or as a company-linked self-employed worker (director or shareholder of an SL): fee, flat rate, and requirements.
What the IAE business classification code is, why it determines your VAT and withholdings, and how to choose the right one if your activity doesn't fit neatly into one.
Real timeframes for self-employed registration in Spain: how long the Modelo 036/037, RETA registration, and getting your digital certificate take.
Differences between Modelo 036 and 037, when to use each, and how to file it online to report the start of your economic activity.
How to register with RETA through Import@ss: deadlines, contribution base, and how to request the flat-rate fee in the same procedure.
List of documents and requirements to register as self-employed in Spain: ID (DNI/NIE), digital certificate, IAE code, and bank account.
Every step to register as self-employed in Spain: tax office, Social Security, flat-rate fee, IAE code, and your first tax filings.
When you're torn between two options, here we settle which one suits your case.
We compare Holded and Quipu as invoicing software for self-employed workers and small businesses: features, price, and which business profile fits each one.
We compare Declarando and TaxDown as online gestorías for self-employed workers: what each plan includes, customer support, and who fits best with which.
Differences between hiring an online gestoría and a traditional in-person one: price, service, and which fits your business better.
How an SL is taxed under corporate tax versus how a self-employed worker is taxed under income tax (IRPF), with the applicable rates and when each one suits you.
Differences between being taxed under direct estimation (normal or simplified) and objective estimation (modules), and which activities can choose modules.
When you can issue a simplified invoice instead of a full one, and what details each one requires under Spanish regulations.
Free official channels first, then invoicing software and online gestorías, filter by category. These are neutral links to each body's or company's official website, with no affiliation of any kind.
Free online procedure to register as self-employed or set up your SL
The Ministry of Industry's online company-creation system lets you file everything online, in a single submission (the Documento Úni…
Go to CIRCE's official website (Punto de Atención al Emprendedor)Registration, deregistration and updating your RETA details
The Import@ss portal is the official channel for registering as self-employed with RETA, requesting the flat-rate fee, changing your…
Go to the Social Security Online Office's official website (Import@ss)Business census, IAE, and quarterly tax forms
The Tax Agency's official portal for filing Modelo 036/037 (census registration), checking your IAE code, and filing…
Go to the Tax Agency Online Office's official websiteCloud ERP and invoicing for self-employed workers and small businesses
Holded combines invoicing, accounting, projects, and inventory in a single panel. Built for businesses that have already grown beyon…
Go to Holded's official websiteInvoicing and accounting built for Spanish self-employed workers
Spanish software focused on simplifying everyday invoicing and accounting: issue invoices, reconcile bank transactions…
Go to Quipu's official websiteOnline invoicing with e-signature for quotes
Spanish invoicing software focused on the client relationship: e-signed quotes, payment tracking and remin…
Go to Billin's official websiteOnline invoicing in Spanish for beginners with no accounting background
A platform built so a self-employed worker with no accounting experience can invoice, track expenses, and get a clear picture of their…
Go to Contasimple's official website100% online gestoría specializing in self-employed workers
An online gestoría service that combines its own invoicing software with a team of tax advisors who file your tax forms…
Go to Declarando's official websiteOnline tax advisory with personalized follow-up
An online tax advisory firm that, besides income tax filing, offers a gestoría service for self-employed workers: registration, prep…
Go to TaxDown's official websiteAll-in-one gestoría and accounting software
Combines its own accounting software with an optional gestoría service: you can start by keeping the books yourself and add…
Go to Cuéntica's official websiteYes. Both registering as self-employed and setting up an SL (with standard bylaws, via CIRCE) can be done without a gestoría. Many people prefer to delegate it to reduce the margin of error, but it's not mandatory.
No. This is an informational site about legal and tax procedures (YMYL) and it includes no affiliate links. Outbound links to official bodies and providers are neutral. The site is funded by contextual advertising (Google AdSense).
No. It's general information so you arrive better prepared for that conversation. Every personal situation (activity, income, assets) has nuances worth reviewing with a professional before making decisions.
The team at Surper helps self-employed workers and small businesses with their website, online presence, and automations from day one. Tell us where you're at with your registration or your SL and we'll get back to you in under 24h.