C/Valencia 359 3º 1ª 08009 Barcelona 934 574 308
About NH Asesores

NH Asesores is law firm specialized in comprehensive assessment of excise duties and customs law. Natalia Hidalgo, with more than 15 years of experience in the hydrocarbons, beverages, alcohol, electricity and tobacco sectors, has consolidated an innovative and personal project with a deeper focus on the client, demonstrating that it is possible to speak your language in order to convey the complexity of the excise duties’ world.

We offer consulting, advisory and training services for the energy sector and other products related to excise duties, a special and unique service, like the world we are dedicated to. Our added value is our personalized service that enables the companies we represent to grow and strengthen their businesses around the wide variety of legal obligations in these sectors.

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Meet our Team

Hello, I am Andra María Vasiu
Andra María Vasiu
A Spanish Wanderluster, Natalia has devoted herself fully for the last 15 years to the study and analysis of excise duties. What do you want to know about this topic? She has the answer!
Natalia Hidalgo Sebastián
Lawyer - Partner
Paulina is passionate about the maritime sector and international trade with a focus on customs law and transport & logistics law for biofuels and other fuels.
Paulina Wrobel
Our Services

At the moment, the markets linked to excise duties and international trade in general are in constant regulatory change and the different and special needs of economic operators involved in the global supply chain. The constant regulatory changes and tight control, together with the fact that they are sectors that have a great impact on revenue collection for the State, generate a large number and variety of different administrative and tax obligations for the companies that work with products within the scope of the excise duties or that have import & export activity. Our services focus on legal and tax advice, consulting and management related to the hydrocarbons, alcohols, beverages, electricity and tobacco sectors and advice and consulting in the field of customs law and its legal implications.We advise and accompany companies and establishments related to the field of Excise Duties in all kinds of administrative or tax procedures. We also offer our professional intervention and advice in audits, inspections, litigation, arbitration, negotiations, controversies and appeals and claims derived from sanctions or settlements with the different public control administrations, both nationally and internationally. And finally, we offer our in-company training services in all the specialty areas of our  organization, designing and teaching courses tailored to companies in these sectors and their needs and problems.


Legal advice

Personalized comprehensive legal advice

Legal assistance

Legal assistance and representation in administrative and judicial proceedings


Specialized audit ensuring compliance with current regulations

Customized training

Custom-designed in-company training

Excise Duties

  • Consultancy & Specialized audits

  • Processing of authorizations

  • Assistance and representation in inspections and interventions

  • Training courses

  • Preparation and presentation of tax returns

  • Procedures and management of all obligations related to these sectors

  • Latest and detailed information of legal developments


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Customs Law

  • Advice on customs processes and foreign trade
  • Specialized audits
  • Assistance and representation in inspections and interventions
  • Training courses

Contact us

Where are we

C/Valencia 369, 3º 1ª 08009 Barcelona

Telf: 934 574 308 Fax: 932 754 584



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