Self-employed registration

Register as self-employed and start invoicing in 48 hours

We register you with the Spanish Tax Agency and Social Security, apply for your flat rate if you're eligible and, from your first quarter, file your taxes.

Sign up Do I get the flat rate?

Registration included in your €39 a month fee, billed quarterly. VAT not included.

  • Flat rate applied for
  • The right IAE heading for your activity
  • All online, from your phone
Newly self-employed woman in her studio showing the Abaq app on her phone, with the cards Registered with the Tax Agency and Social Security and Flat rate applied for

What we do for you

Both registrations, the flat rate and your first taxes

With what you tell us about your business, we handle both registrations, apply for your flat rate and prepare your first taxes.

The Tax Agency and Social Security registrations, stamped, with the IAE heading and the flat rate

Your registration, done in full

Tax Agency registration

With the IAE heading for your activity and the right VAT scheme for you, so you can invoice from day one.

Social Security registration

We explain how much you'll pay in contributions and choose your contribution base with you, based on what you expect to earn.

Flat rate

If you're eligible, we apply for it with your registration. You don't need to do anything else.

Invoices going into Abaq and coming out recorded in the books, with the VAT forecast

And from your first quarter

Your taxes, filed

We record your invoices instantly and file your taxes with your approval.

No typing invoices

Take a photo or forward the email. Abaq reads it and records it instantly.

Unlimited questions

Ask the PRO Accountant Team anything you need, by chat or email. It's included in your fee.

Sign up

Flat rate

The million-dollar question: what about the flat rate?

If it's your first time registering as self-employed, or you haven't been self-employed for at least two years, you pay a reduced Social Security contribution.

€80

A month during your first year

In 2026 it's €88.56 with the Intergenerational Equity Mechanism, instead of a contribution based on what you earn. If you've had the flat rate before, three years must have passed.

+12 months

A second year, if you earn little

If your net earnings are below the minimum wage (€17,094 in 2026), you can apply for the extension. If you go over it, Social Security claims back the difference.

€0

Zero contribution in some regions

Some autonomous communities refund the first year's contribution to people starting out. Ask us about yours.

How much can you invoice in your second year without losing the flat rate? Try it with our Social Security contribution planner (in Spanish).

Price

Registration is included in your fee

Your registration, your bookkeeping and your taxes from your first quarter, for €39 a month. No commitment.

Single fee

Self-employed registration and online accountancy

We handle your registration at no extra cost, answer your questions and file your taxes.

€39 / month

Quarterly payment: €117. VAT not included

Sign up

The subscription costs €117 per tax quarter. It renews at the start of each tax quarter and covers the self-employed tax returns of the quarter paid. Tax quarters are not prorated. The personal income tax return is not included in the quarterly fee.

Includes

  • Your self-employed registration with the Tax Agency and Social Security
  • All your quarterly and annual self-employed tax returns
  • Accounting and tax advice
  • Unlimited questions to our PRO Accountant Team
  • Automatic digitisation of your invoices and receipts
  • Professional software to create your invoices online
  • All your official accounting books
  • Upload and manage your expenses effortlessly
  • Real-time forecast of your taxes
  • Mobile app for Android and iOS

Does not include

  • Personal income tax return (separate service)
  • Procedures unrelated to the taxes or accounting of your business: opening premises, applying for grants, buying or selling vehicles, etc.

See prices and extra services

Frequently asked questions

Questions about registering

How long does registration take?
We submit your application within 48 working hours of receiving your details. You can ask for your registration to start the same day or on a later date.
What do I need to register?
Your DNI or NIE, your Social Security number, your business address, a bank account for paying your contributions by direct debit, a description of what you'll be doing and your authorisation for us to handle it on your behalf. We ask for everything in the app.
How do I know if I'm eligible for the flat rate?
If it's your first time registering as self-employed, or you haven't been self-employed in the previous two years (three, if you've had the flat rate before), you're generally eligible. We check with you before applying.
Which IAE heading applies to me?
It's the code for your activity with the Tax Agency: it depends on what you do, and your taxes depend on it. We choose it with you. If you'll be doing several things, we register all your activities at once.
How much does registration cost?
Nothing extra: it's included in the accountancy service. With your first quarterly fee we handle your registration and, from that quarter on, we keep your books and file your taxes. No commitment.
I have more questions. I'd like to talk to someone.
Write to us using the chat on this page.
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