Corporate and tax law

At ISLAW, we have a team of lawyers and consultants specializing in the energy and environmental sector, with a presence in Spain and the Dominican Republic. We assist companies, investors, and institutions in projects related to oil and gas, renewable energy, and environmental compliance, offering comprehensive advice that combines technical knowledge, international vision, and experience in complex litigation.

At ISLAW, we offer comprehensive corporate and tax advice to national and international companies operating in Spain and the Dominican Republic. Our approach combines legal certainty with strategic planning, accompanying clients through all stages of business life: from the incorporation of companies to the management of cross-border operations, defense in tax litigation, and the implementation of corporate governance models.

Our multidisciplinary team, with experience in commercial law, international taxation, arbitration, and regulatory compliance, ensures a comprehensive service tailored to the needs of each organization.

Servicios legales en derecho societario y fiscal

Constitución y reorganización de sociedades

The creation and reorganization of companies requires in-depth legal and tax analysis in order to choose the most appropriate legal form. ISLAW advises on the incorporation of commercial companies in Spain and the Dominican Republic, the drafting of articles of association, the choice of the most suitable corporate form (S.L., S.A., SRL, SAS, among others) and registration in the corresponding registers.
We also assist in mergers, acquisitions, spin-offs, and transformations, designing corporate structures that allow for orderly and sustainable growth. Business reorganization includes adapting to new regulations, optimizing resources, and protecting the interests of partners and shareholders.

Renewable Energy and Energy Transition

The development of clean energy is key for governments and investors.

  • Legal due diligence for solar, wind, and hydroelectric projects.
  • Negotiation of PPAs (Power Purchase Agreements).
  • Contracting with suppliers and operators.
  • Obtaining licenses and administrative concessions.

Corporate governance and regulatory compliance

Good corporate governance is essential for the stability of companies. At ISLAW, we design corporate governance protocols, shareholder agreements, internal regulations, and corporate bylaws that govern decision-making, the responsibility of administrators, and succession in family businesses.
We also implement corporate and tax compliance programs designed to prevent legal risks and strengthen corporate transparency. These programs include the development of internal manuals, the definition of codes of conduct, and the creation of internal reporting channels.

Tax planning and advice

Proper tax planning allows you to reduce your tax burden and take advantage of tax incentives provided for in national and international regulations. ISLAW advises companies on the development of tax strategies tailored to their sector and size, taking into account the main taxes in each jurisdiction: corporate income tax and VAT in Spain, and income tax and ITBIS in the Dominican Republic.
We also design structures for cross-border transactions, apply double taxation agreements, and advise on compliance with periodic tax obligations, minimizing the risk of penalties.

International taxation and cross-border transactions

International activity poses tax challenges that require a specialized approach. Our team advises on foreign investments, the taxation of subsidiaries and branches, the restructuring of business groups, and the application of transfer pricing in accordance with international regulations.
We help multinationals comply with tax obligations in the different jurisdictions where they operate, ensuring the consistency of their structures and reducing risks arising from conflicting interpretations between national laws.

Tax litigation and tax defense

Los conflictos con la administración tributaria pueden tener consecuencias económicas significativas. ISLAW representa a sus clientes en recursos contra liquidaciones y sanciones, en procedimientos contencioso-administrativos y en negociaciones con la administración tributaria para alcanzar acuerdos favorables.

Nuestro equipo combina experiencia procesal con conocimiento especializado en derecho tributario, lo que nos permite diseñar estrategias de defensa sólidas tanto en procedimientos administrativos como judiciales.

Auditorías fiscales y due diligence

Las operaciones de compraventa de empresas y las inversiones extranjeras requieren un exhaustivo análisis fiscal previo. ISLAW realiza procesos de due diligence fiscal y societaria para identificar riesgos ocultos, contingencias tributarias y obligaciones pendientes.

Estas auditorías permiten tomar decisiones informadas, estructurar correctamente las operaciones y garantizar que las inversiones cumplan con todos los requisitos legales y fiscales en España y República Dominicana.

A multidisciplinary approach

Corporate and tax law is interrelated with multiple branches of law. At ISLAW, we integrate our practice with specialists in commercial, contract, labor, procedural, and international arbitration law. This comprehensive approach allows us to offer solutions that not only comply with regulations but also consider the economic, operational, and strategic impact of each business decision.

Experience and sectors served

We have worked with companies of different sizes and sectors, from SMEs to multinationals. Our experience includes projects in:

  • Energy and natural resources.
  • Tourism, hospitality, and leisure.
  • Manufacturing.
  • International transportation and logistics.
  • Financial and technology services.

In all cases, our support ranges from initial corporate structuring to tax planning, foreign investment management, and defense in tax proceedings.

Why choose ISLAW for corporate and tax law?

  • Experience in Spain and the Dominican Republic, with an international outlook.
  • Up-to-date knowledge of corporate and tax regulations in both jurisdictions.
  • Ability to advise on local and cross-border transactions.
  • Effective defense against tax penalties and litigation.
  • Strategic approach that integrates legal certainty and tax efficiency.

Frequently asked questions (FAQs)

What is the best corporate structure for a new company?

The choice depends on factors such as the number of partners, available capital, sector of activity, and the company's objectives. ISLAW analyzes each case and recommends the most appropriate structure.

How to avoid international double taxation?

By applying the agreements signed between Spain, the Dominican Republic, and other countries. These treaties allow taxes paid in one jurisdiction to be credited and reduce the tax burden in the other.

What tax obligations do companies have in Spain and the Dominican Republic?

In Spain, the main obligations are corporate income tax, VAT, and withholding taxes. In the Dominican Republic, the main obligations are income tax and ITBIS. ISLAW advises on compliance with both regulatory frameworks.

What risks do company directors assume?

Administrators may be held civilly, fiscally, and even criminally liable for corporate debts, tax violations, or legal infringements. Our team designs protocols to minimize these risks.

What services does ISLAW offer in mergers and acquisitions (M&A)?

We cover all stages of the process: legal and tax due diligence, structuring the transaction, drafting contracts, regulatory compliance, and defense in the event of disputes.

Practice areas

Do you need advice on corporate and tax law?

At ISLAW, we offer you a team of lawyers specializing in company formation, tax planning, and tax defense in Spain and the Dominican Republic. Contact us today and strengthen your business with legal and tax solutions tailored to your business strategy.

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