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Solidarity Contribution in 2026: what it is and how it affects payroll

Solidarity Contribution in 2026: what it is and how it affects payroll

by Arintass | Jun 22, 2026 | Payroll Management

This measure of the public pension system, aimed at strengthening the financial sustainability of Social Security, introduces an additional progressive contribution on top of the standard contributions, which applies exclusively to high-income earners.

How to start operating in Spain: obligations for foreign companies

How to start operating in Spain: obligations for foreign companies

by Arintass | May 4, 2026 | Accounting Advice, Tax Compliance

Establishing a foreign company in Spain requires careful prior planning, particularly regarding the operating structure and compliance with tax, employment and corporate obligations from the outset.

Pillar 2 in Spain: how the new 15% Top-up Tax works

Pillar 2 in Spain: how the new 15% Top-up Tax works

by Arintass | Apr 20, 2026 | Tax Compliance

This tax ensures a minimum effective tax rate of 15% for multinational groups, regardless of where they operate, and combats aggressive tax planning to achieve a fairer international tax system.

VeriFactu vs SII: differences between tax control systems in Spain

VeriFactu vs SII: differences between tax control systems in Spain

by Arintass | Apr 6, 2026 | Tax Compliance

While SII focuses on the near real-time reporting of VAT records to the Spanish Tax Agency, VeriFactu acts on invoicing software to ensure the integrity and accuracy of the data.

B2B E-Invoicing: a new framework for payment deadlines

B2B E-Invoicing: a new framework for payment deadlines

by Arintass | Mar 23, 2026 | Tax Compliance

This measure provides businesses and self-employed professionals with greater control and efficiency in managing their collections, enhancing transparency and security in commercial relationships.

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Latest Publications

Coordinated timeline for VeriFactu and electronic invoicing

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Does a logistics warehouse in Spain constitute a permanent establishment for VAT purposes?

Types of leave of absence in Spain

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