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Filing Taxes in Spain as an Autónomo with RENN

Updated 2 October 2026

Filing Taxes in Spain as an Autónomo with RENN

Becoming an autónomo in Spain gives you the freedom to work for yourself, but it also brings recurring bookkeeping, invoicing and tax obligations. Spain Move HQ has partnered with RENN to give international freelancers and business owners a simpler way to stay organized and file correctly.

Spain Move HQ offer: sign up with code SPAINMOVEHQ-FREE to receive one free month of service.

What is RENN?

RENN is an English-friendly financial platform built for people running a business in Spain. It brings day-to-day bookkeeping and professional tax support together instead of leaving you to move information between an app and a separate accountant.

The platform uses AI technology to organize much of the routine work, including sorting income and expenses and identifying information that may need attention. Real accountants then review your records and handle the tax filings included in your plan. This combination is important: automation can save time, while a qualified person still checks the work before it is submitted.

How RENN works for autónomos

  1. Set up your account. Add your business and tax details in English.
  2. Connect your records. RENN can bring together bank activity, invoices and expense documents, including supported connections for Spanish banks, Revolut, Wise and Gmail.
  3. Review your activity. The platform categorizes transactions and flags items that need your input, helping turn regular bookkeeping into a short review rather than a manual spreadsheet exercise.
  4. An accountant checks the information. A real accountant reviews your records and can resolve questions before filing.
  5. Your taxes are filed. The relevant returns covered by your plan are prepared and submitted to the Spanish tax authority.

Why it is easy to use

RENN is designed around the practical problems international autónomos face: Spanish forms, unfamiliar filing dates, receipts spread across different places and uncertainty about which costs may be deductible. Its English interface and automated record collection reduce the amount of repetitive work you have to do.

  • Keep invoices and expenses together in one place.
  • Connect supported financial accounts instead of entering every transaction manually.
  • Send or sync supporting documents using familiar tools.
  • Ask questions with support from a real accounting team.
  • Review your records before filings are submitted.

Watch RENN in action

The RENN team publishes short walkthroughs on their YouTube channel. These are the most useful ones for autónomos getting started with Spanish taxes.

How to file your taxes with RENN — the full walkthrough, from sign-up to submitted returns.

Who may find RENN useful?

RENN may suit freelancers, contractors, Digital Nomad Visa holders and other self-employed professionals who want an English-friendly system and ongoing filing support. It can be especially helpful if you are newly registered in Spain and do not yet have a bookkeeping routine.

Before choosing a plan, check its current income, document and support limits on RENN’s website. Your needs may be different if you have employees, unusually complex international income, a Spanish company, substantial investments or tax obligations in several countries.

What you still need to do

Software and accountant support make filing easier, but you still need to provide complete and accurate information. Keep your invoices, receipts, contracts and bank records; respond to questions promptly; and tell the accountant about foreign income, investments or changes in your work.

If you hold Spain’s Digital Nomad Visa as a self-employed worker, retain copies of your filed returns and Social Security records for your immigration renewal. Read our guides on registering as an autónomo after DNV approval and preparing tax records for your DNV renewal.

How to claim your free month

  1. Visit getrenn.com.
  2. Choose the service that fits your situation.
  3. Enter code SPAINMOVEHQ-FREE when signing up to receive one free month.

Partner disclosure: Spain Move HQ may receive a commission when you sign up through our RENN links, at no extra cost to you. This guide is general information, not individual tax advice. Confirm current features, plan limits and prices directly with RENN before subscribing.

More from the RENN YouTube channel

The 4 taxes freelancers pay in Spain — what they are and when each one is due.

How much is the cuota de autónomo? — the 2026 contribution brackets explained.

Tax deductions in Spain — which expenses freelancers can legitimately claim.

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