Administrative & Tax

Arthur & Castillo provides legal and tax advisory and assistance to private sector clients in their relationships with government agencies and institutions.

Our firm has represented clients in the drafting and negotiation of government contracts and their financing for energy, road, transportation, infrastructure, supplier registration in the national register of government suppliers and their participation in public bidding contests.

The firm also has extensive practice in procuring and obtaining for our clients the corresponding customs, environmental, energy, free zones, tax, telecommunications and tourism licenses, permits and authorizations for conducting operations and services in certain regulated sectors and industries.

These administrative and taxation aspects are dealt with by the Firm in all cases of corporate and banking work, foreign investment, joint ventures, mergers and acquisitions, transfer of business inheritance cases, where the Firm has acquired considerable expertise in these areas of practice.

Our Support in Administrative & Tax

  • Administrative adjudications
  • Administrative agency practice
  • Administrative hearings and appeals
  • Tax advisory
  • Corporate tax
  • International Tax
  • Tax Incentives Laws
  • Tax planning
  • Administrative review
  • Administrative litigation
  • Tax controversy & litigation
  • Public law

Tax Advisory

With our strategic tax advice, you may find creative and practical solutions to achieve your business and personal goals. Our tax lawyers and consultants are experienced, skilled and knowledgeable of tax administration practices throughout time.  

When facing complex tax rules, our tax professionals will provide guidance side by side on transactions, planning, assessments, and in court or administrative tax disputes, to mitigate risks and maximize tax benefits.    

Corporate Tax

Our attorneys provide comprehensive corporate tax advice and in business matters with a proactive approach. You need a legal team who knows what the laws mean for you and your business and can offer sound strategies and advice. 


We also assist clients with company formation, mergers and acquisitions, stock and asset deals, spinoffs, tax free reorganizations, taxation of e-commerce transactions, employee compensation arrangements, partnerships, trusts and business dissolution; and can resourcefully work with client’s in-house counsel.   

International Tax

Whether you want to bring your business, invest or carry out activities in the Dominican Republic, we can help you with cross-border joint venturing, non-resident withholding tax and inbound tax structure that best fits your business goals.


We regularly work with international companies coming to the Dominican Republic, as well as Dominican companies setting up shop in other countries. Clients trust us to advice on many areas of international tax law where we provide support. Our team of international tax professionals are creative and experienced.

Tax Incentives Law

Our Firm provides advisory support to our clients, targeted at obtaining the maximum advantages offered and effective application of the corresponding tax incentives laws.


A broad range of tax incentives laws in the Dominican Republic are destined to promoting foreign investment, exports and certain geographical areas or industries in this strategically located region of the Americas.

Tax Litigation

The receipt of notice from the Dominican Tax Administration for the commencement of an audit, a tax assessment or the collection of taxes potentially due, may take a toll on the business or patrimony, so urgent and skilled assistance is required to timely act and address the myriad issues that may arise in the tax field.

Recent technological advancements adopted by the DR tax authorities have proportionally increased its tax audits, compliance matters and situations from the application of such new technologies. The Firm’s professional expertise is hands-on in approach is key at all stages of the tax dispute process relating to Dominican taxes and advice on how to prevent them.     

Our litigators provide reliable counsel, including the most complex tax cases, before Dominican Tax Court, the Supreme Court and the Constitutional Court of the Dominican Republic, or in representation and appeals at the administrative level before the Tax Administration. We also represent creditors and debtors in the tax aspects of bankruptcy proceedings.

The Firm’s multidisciplinary practice group provides advice in every area of law, and regularly draws on applicable non-tax expertise where it helps to achieve our clients’ objectives in a tax dispute. At the same time, we are keen to pursue any and all settlement opportunities wherever possible and when in line with our clients’ objectives.

Find out about our Services and Contact Us.