Tax Law

Our team provides services in all areas of tax law, advising national and international groups, SMEs, startups, family groups, individuals and high net worth estates on all day-to-day issues, whether in their dealings with the tax authorities, corporate transactions, as well as business and personal tax planning.



Ongoing tax advice at regional and national level, supporting companies in meeting their day-to-day tax obligations.

Study of alternatives that tend to optimise the profitability of tax management, in a continuous and anticipated manner, as well as the implementation of measures aimed at reducing tax burdens.
The Euskaltax team stands out, among others, for its specialisation in the application of certain special regimes (tax consolidation group for corporate income tax purposes, group of companies for VAT purposes, etc.) and, where appropriate, their application.

Tax planning and optimisation in the field of R&D&I activities.

Advice and implementation of flexible remuneration formulas, as well as other measures to attract and retain talent.

Tax advice on corporate restructuring operations (M&A), working together with specialists in the commercial-corporate area, carrying out tax planning of corporate structures with a view to making them more efficient and agile from a commercial and business stance, always seeking to optimise the tax burden of business groups.

Highly specialised advice aimed at the tax planning of family businesses, implementing the necessary processes and structures to ensure an orderly transfer to the next generations, always guaranteeing the creation of value.

AComprehensive advice to individuals through appropriate and individualised tax planning in the field of both personal income tax and wealth tax planning.

Comprehensive advice on indirect taxation (VAT, Transfer Tax and Stamp Duty), VAT groups, Real Estate transactions and local taxation.
Specialised advice to non-profit organisations. Leading foundations, associations, professional associations and mutual societies have entrusted Euskaltax with their legal and tax consultancy, reaching sectors such as R&D&I, culture, sport and social welfare.

Since 1998, the Euskaltax team has been teaching the modules on taxation of non-profit organisations for the Master’s Degree in Tax Consultancy at Deusto University, IE Law School and the Bilbao Chamber of Commerce.

Advice on the legal and fiscal implementation of the tools made available to taxpayers aimed at the monetisation of tax credits – Financing of R&D&I projects (Article 64 bis), audiovisual works and live performances of performing arts and music (Economic Interest Groups and Article 66 quinquies or d) and Tax Lease.

Specialised advice on transactions and investments of Spanish companies abroad, as well as foreign investments in Spain.

Tax advice for workers posted abroad and impatriates.

As part of the advice provided by Euskaltax, we represent our clients in different administrative procedures (tax management, submission of queries, preliminary tax proposals, appeals and claims, inspection, sanctioning or collection procedures, as well as verification of the various taxes) and judicial (contested administrative proceedings).

Comprehensive legal and tax advice for Startups in the initial design and start-up phase of the project (among others, analysis of the legal form that best suits the project, incorporation and launch of the project, drafting of shareholders’ agreements, tax incentives for entrepreneurs and attracting talent, advice on flexible remuneration formulas, assistance and representation in funding rounds), as well as in the consolidation phase of the project (tax consultancy and recurring legal advice).