N) Modelo 718: Solidarity Tax Large Fortunes

In Spain, Modelo 718, also known as the Solidarity Tax Large Fortunes, holds importance for individuals with substantial wealth, as it requires contributions to support social programs and government expenditures. Understanding its implications is crucial for compliance and avoiding penalties.


For residents in Spain with substantial wealth, understanding Modelo 718 is crucial. This declaration, known as the Solidarity Tax Large Fortunes, is designed to levy contributions from individuals with significant assets to support social programs and government spending. While informative, failure to file can result in hefty fines. Here’s everything you need to know about this obligation, including who needs to file, what information is required, potential penalties for non-compliance, the filing process, and how our services can assist you in navigating Spanish tax regulations.

What to Know

What is Modelo 718: Solidarity Tax Large Fortunes?

Modelo 718 is the form for Spain’s “Temporary Solidarity Tax on Large Fortunes.” This tax targets individuals with a net worth over 3 million euros to ensure they contribute more during economic hardships. The tax rates are progressive, starting at 1.7% for wealth between 3 and 5 million euros, 2.1% for wealth between 5 and 10 million euros, and 3.5% for wealth over 10 million euros. Both residents and non-residents with significant assets in Spain must file this form, typically between April and June, to report their taxable wealth and avoid double taxation by deducting amounts paid for the regular Wealth Tax.

Who needs to file Modelo 718?

  • Residents in Spain: If you are a tax resident in Spain and your worldwide assets exceed a certain threshold, you will need to complete Modelo 718. The threshold can vary by region, but is often around €700,000, excluding your own home up to a value of €300,000.
  • Non-residents in Spain: Non-residents who have taxable assets in Spain (such as real estate, shares or other assets) above the threshold must also submit Modelo 718. In this case, only assets located in Spain will be taken into account.
  • Exemptions and regional differences: Some regions in Spain have higher thresholds or even complete property tax exemptions. So it is important to check what the specific rules are in your region.
  • Wealth components: The tax is levied on various wealth components, including real estate, bank deposits, shares and other investments, insurance policies and other assets.

Terms: The Modelo 718 must usually be filed annually, parallel to the income tax return period (IRPF), which runs from April to June.

What information must be provided when filing Modelo 718?

Taxpayers must provide detailed information about their assets, investments, and other financial holdings subject to the Solidarity Tax Large Fortunes.

What are the penalties for not filing Modelo 718?

Non-compliance with filing requirements can lead to significant fines and potential legal consequences, determined by Spanish tax authorities and varying based on individual circumstances.

How Can Accompany Help

If you require assistance with filing Modelo 718, we are here to guide and support you. Our experienced professionals can assist you in gathering the necessary information, completing the declaration, and following the correct procedures to comply with Spanish tax regulations.


Filing Modelo 718: Solidarity Tax Large Fortunes is a crucial obligation for taxpayers with substantial wealth in Spain. By meeting filing requirements on time, you can avoid potential fines and legal complications. Contact us for more information on how we can assist you in filing this declaration and ensuring compliance with all legal requirements or get in contact with us here.


The information contained herein is of a general nature, and subject to changes. Applicability to your specific situation should be determined through consultation with our tax or legal advisors.