Tax consultants in Barcelona

Accompanying our clients on their path to success for more than 50 years

Tax consultants with more than 50 years of experience, we innovate while respecting the past. Consulting is our passion, we love what we do. We believe in an informal style of client-consultant relationship that promotes simple and direct relationships between our clients and us.


Tax advice

We proactively control and optimize all your tax obligations with the Public Treasury.

Accounting services

An accounting advice that adapts at all times to your situation and your needs.


Employment advice

We support with labor management of companies and legal services.


360° Consulting

We help with the formulation, evaluation and budgeting of the business plan.



Our experience as auditors is more than 30 years and extends through all types of companies.

  • Avatar Matthew Hoag ★★★★★ 3 years ago
    Denis and his team has always provided an impeccable service. From advices concerning taxes to leading and completing various processes I have found their service … More at the top level. I already recommended their services to all my close friends and I would do it all over again. Myself and my network found great value of working with Deventer. They are also extremely responsive and fast, a skill you need in such a fast pace world of today.
  • Avatar Yuriy Ogarkov ★★★★★ 3 years ago
    I am a freelance commercial photographer and I am happy to work with Deventer Consulting. Highly organized and helpful. Quality consultations. What I appreciate … More about Deventer is that their team really takes time to explain thing that I don't understand about the Spanish tax laws. Deventer Consulting is multilingual, which is very helpful for expats and people like myself who don't have the castellano skills yet. So, if you are looking for a top quality and reliability - Deventer Consulting is a good choice
  • Avatar Irene Meyn ★★★★★ 3 years ago
    So incredibly happy to have found Deventer Consulting! Being an expat tax declaration is even more horrible than usual and the team at Deventer has always made sure … More that things are delivered on time (they even send you reminders!) and that you understand what's going on. Extremely service-oriented and adapting to your specific needs. No doubt, highly recommended!
  • Avatar Patrick Burkert ★★★★★ 3 years ago
    Deventer is the number one choice for administrative and tax related affairs in Barcelona, Catalunya and Spain in general, for Startups, Entrepreneurs but also larger … More enterprises. Great international team, multilingual and on point effective for me being from Germany and running businesses here.
  • Avatar Mona Rennalls ★★★★★ 3 years ago
    I am client at Deventer Consulting S.L.P. for more than 19 years and not only do they speak besides of Spanish and Catalan fluent English and German which is for … More an expat like me very important they have been taking care of my business and private taxes, my application and renovation of my NIE and my daughter's NIE, gave me advices when ever needed in regards of the development of my business, helped me to understand all the rules when I bought my apartment and are on my side now during the difficult times this pandemic is causing my business. I highly recommend to sign up with Deventer Consulting if you are looking for a partner in regards of your taxes in Spain or if you are not happy with your current tax advisor.
  • Avatar Sarah Rink ★★★★★ 3 years ago
    Deventer is fast, efficient and very professional. But above all, you never ever feel like you are 'one more client', absolute VIP treatment throughout. … More Strongly recommend.

Your benefits

We accompany our clients’ projects as an integral partner with passion and dedication, in up to 7 languages and using the best management tools available in the market.

Start to generate more liquidity and stability

We support you as a partner in structuring your business strategy to take advantage of all the benefits

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