
Tax consolidation in Spain: what it is, requirements and key practical implications
Tax consolidation in Spain is a special, voluntary corporate tax regime that allows a group of companies to be taxed as a single taxpayer by
Tax consolidation in Spain is a special, voluntary corporate tax regime that allows a group of companies to be taxed as a single taxpayer by filing a joint return.
Regulated under Chapter VI of Title VII of Law 27/2014 on Corporation Tax, this scheme allows the group’s tax liability to be optimised by treating it as a single tax unit, rather than analysing each entity individually.
In order to apply the tax consolidation regime, there must be a tax group comprising a parent company and one or more subsidiaries.
Parent company
The parent entity must fulfil, amongst others, the following requirements:
Dependent entities
Dependent entities that are in the process of being wound up due to financial losses may not form part of the group, unless such a situation is rectified in accordance with the law.
Dependent entities must:
The tax group shall cease to exist when the parent entity loses that status.
Entities that fulfil the share requirements must be included in the tax group from the following tax period.
In the case of newly established entities, their inclusion shall take effect from the moment of their incorporation.
Conversely, entities that do not fulfil the requirements shall be excluded from the group with effect from the same tax period in which such circumstance arises.
The application of the regime requires the express agreement of all entities in the group, adopted by their respective governing bodies.
This agreement must be formalised during the tax period preceding that in which the regime is intended to be applied.
The tax group’s taxable base is determined by aggregating the individual taxable bases, incorporating certain specific adjustments.
Transactions between group entities must be eliminated to avoid double counting, in accordance with the criteria of the Standards for the Preparation of Consolidated Financial Statements.
Subsequently, such eliminations shall be added to the tax base where applicable.
Net financial expenses shall be understood as the difference between financial income and financial expenses, excluding non-deductible expenses.
Net financial expenses shall be deductible up to a limit of 30% of the operating profit for the financial year. In any event, net financial expenses for the tax period amounting to 1 million euros shall be deductible, regardless of the operating profit.
In addition, financial expenses arising from debt incurred for the acquisition of shares or equity capital of any type of entity joining a tax consolidation group shall be deductible up to an additional limit of 30% of the operating profit of the acquiring entity or tax group.
The limit shall not apply:
Under no circumstances shall income, expenses or revenues that have not been included in the tax base form part of the operating profit.
Financial expenses for the period that do not reach the established limit shall be carried forward to tax periods ending within the next five consecutive years.
Limitation on the offsetting of tax losses
Tax loss carry-forwards generated by an entity prior to its inclusion in the tax group may be offset up to a limit of 70% of that entity’s individual tax base.
Furthermore, there are temporary measures (2023–2025) limiting the inclusion of tax loss carry-forwards to 50% when determining the group’s tax base.
Formal obligations: tax return forms
All entities within the group, including the parent company, must file the corresponding individual corporation tax returns, which must be completed to calculate the theoretical net tax amounts for the respective entities (“Net Tax Liability”).
The parent company of the group must submit the specific tax return form for tax groups in order to be taxed jointly as a single entity.
The instalment payment is calculated on the tax base for the period covering the first 3, 9 or 11 months of each calendar year, after deducting allowances, withholdings and payments on account made, as well as any instalment payments already paid.
The parent company of the group is responsible for filing this return.
Tax rates |
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| Net turnover > €10 million | 24% |
| Net turnover < €10 million | 17% |
(*) As a general rule. The tax rate must be calculated based on the tax rate applicable in the annual Corporation Tax return.
Additionally, companies with a net turnover exceeding €10 million are subject to the minimum payment.
The minimum payment applies when the amount payable is less than 23% of the profit shown in the profit and loss account for the first 3, 9 or 11 months of each financial year.
Only instalment payments made during the tax period may be deducted.
Advantages |
Disadvantages |
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The tax consolidation regime in Spain is a key tool for optimising the taxation of business groups.
However, its application requires a detailed analysis of its implications, both in terms of tax planning and compliance with formal obligations.
Proper structuring of the group and appropriate planning allow for the maximisation of its advantages and the minimisation of associated risks.

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