In discussions about how to organise a family's wealth in Spain the two terms tend to appear side by side and are often used interchangeably. They are not equivalent. A holding company is a legal reality with its own tax regime and a set of requirements that can be tested. A family office is a model of organisation that Spanish law does not define or regulate under that name. The confusion carries a cost: it leads families to expect from one structure effects that only the other produces, and to take for granted tax reliefs that depend on conditions nobody has verified.
What a holding company is in Spanish law
Holding is not a corporate form. It is an ordinary sociedad anónima or sociedad de responsabilidad limitada (the Spanish public and private limited company) whose activity consists in owning and managing shareholdings in other entities. What matters is not the form but the regime the law attaches to that position.
The starting point is article 21 of Ley 27/2014, the Impuesto sobre Sociedades (Spanish corporate income tax) Act, which exempts dividends and gains on the transfer of shareholdings where the entity holds at least 5 per cent of the capital or equity and has held it without interruption throughout the preceding year. Since 2021 the exemption applies to 95 per cent of the amount, as the remaining 5 per cent is brought into the tax base as a deemed management expense. One point of timing deserves attention: the alternative test based on an acquisition value above twenty million euros, removed by Ley 11/2020, survived under a transitional rule for tax periods beginning up to 2025 and no longer covers periods beginning in 2026.
The second and more decisive test, less often cited, is article 5.2 of the same Act. An entity more than half of whose assets consist of securities or of items not used in a business activity is an entidad patrimonial (an asset-holding entity), with the restrictions that status brings. The law excludes from that calculation shareholdings of at least 5 per cent held for the purpose of directing and managing them, provided the company has the corresponding organisation of material and human resources. This is where the structure ceases to be a matter of deeds.
What a family office is
There is no legal definition. Family office describes a function: centralising the administration of the wealth of one or several branches of a family. It covers treasury, oversight of financial investments and real estate, accounting and reporting, banking relationships, family governance and succession planning. That function may sit within the holding company itself, in a separate service company, or be outsourced. None of this follows from the label. Calling a company a family office changes nothing about how it is taxed and confers no regime on it.
Where the two meet
The connection between them is closer than their different nature suggests, and it lies in the organisation of resources. Article 4.Ocho.Dos of Ley 19/1991, the Impuesto sobre el Patrimonio (Spanish net wealth tax) Act, requires, for shareholdings to be exempt, that the entity's principal activity is not the management of movable or immovable assets, that the taxpayer holds at least 5 per cent individually or 20 per cent together with the family group, and that he or she carries out management duties for which the remuneration exceeds 50 per cent of total business, professional and employment income. As in the corporate income tax legislation, the provision excludes from the calculation of non-business assets those shareholdings carrying at least 5 per cent of the voting rights held in order to direct and manage them, again subject to the corresponding organisation of material and human resources.
The function usually described as a family office is therefore, in many cases, precisely what sustains the holding company's status as something other than a passive asset holder. A parent company with no team, no effective management and no documented decisions is a mere holder of share certificates, whatever the group presentation calls it.
The exemption is tested shareholder by shareholder
Binding ruling V0354-26, issued on 19 February 2026 by the Dirección General de Tributos (the directorate of the Spanish tax authorities that issues binding rulings), illustrates a risk that reorganisations often overlook. A shareholder contributes his shareholding to a holding company, which then takes over the management of the operating company. He retains the Impuesto sobre el Patrimonio exemption, because he continues to perform remunerated management duties. The other members of the family group, who keep their direct shareholding in the operating company, lose it, since none of them performs management duties there.
The ruling is confined to net wealth tax and, within it, to the requirement under letter c). Its reach nevertheless extends further, because article 20.2.c) of Ley 29/1987 makes the 95 per cent reduction on inheritance of shareholdings conditional on that same exemption applying. What is lost in an annual tax is lost again on succession.
When the family office charges for its services
Where the structure runs through a company providing administration and management services to the family and its entities, article 18 of the corporate income tax Act requires those services to be priced at arm's length and documented. They must be genuine, of demonstrable benefit to the recipient and capable of proof, and their VAT treatment calls for specific analysis according to what each service actually involves.
A further dimension is rarely considered. Investment firms are defined as undertakings whose principal business is the provision of investment services to third parties on a professional basis. Article 4.1.b) of Real Decreto 813/2023, implementing article 123 of Ley 6/2023 on securities markets and investment services, excludes from those requirements persons providing investment services exclusively to their parent undertakings, their subsidiaries or other subsidiaries of their parent undertakings. The exclusion is drawn by reference to the corporate group, not to family ties. Where the family office also serves personal vehicles of family members sitting outside that group perimeter, the position ceases to be self-evident.
Practical implications
Substance determines the characterisation. A holding company does not produce its effects merely by being incorporated, nor does a family office produce its own merely by being called one. Both depend on resources, functions and decisions capable of being evidenced on a tax audit.
Two operating cautions follow. The family business exemption is tested for each shareholder and for each year, so any reorganisation that changes who manages which company should be preceded by an individual review covering every member of the family group. And the perimeter of the services rendered by the family office should be defined in writing, together with its pricing policy and its regulatory analysis, since that is where unnoticed exposures most often accumulate.
Conclusion
The holding company answers the question of how ownership is structured; the family office, of how the wealth is administered. The two are complementary, and a sound decision on the first can be undone by poor execution on the second. What supports the Spanish family business tax regime is not the organisational chart but the real activity behind it.
Lex·on advises family businesses and private wealth groups on the design and review of corporate structures from Palma de Mallorca and Manacor. If you are considering setting up a holding company or reorganising the management of your family's assets, we can verify that the requirements are met before the structure is put in place.
Source: article 21 and article 5.2 of Ley 27/2014, on Corporate Income Tax; article 4.Ocho.Dos of Ley 19/1991, on Wealth Tax; article 20.2.c) of Ley 29/1987, on Inheritance and Gift Tax; binding ruling V0354-26, of 19 February 2026, from the Dirección General de Tributos; and article 4.1.b) of Real Decreto 813/2023.
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This article is for information purposes only and reflects the administrative position in force on the date of publication. It does not constitute legal or tax advice and does not replace an individual analysis of each case.