The Founder
Marc De Diego Ferrer
Marc De Diego Ferrer, Andorran, holds a degree in Business Sciences from the University of Barcelona and a Master's in Business Management. Registered with the Col·legi d'Economistes d'Andorra under no. 295. Authorised by the Government of Andorra to practise as an Economist and Chartered Accountant under number 006010. Member of the Associació d'Assessors Tributaris i Fiscals (AATF) and a registered real estate agent with AGIA under number 407.
His multidisciplinary background — as an accountant, a banking manager in Andorra and head of a French SME — enabled him to found MCA in 2013, today one of Andorra's leading tax advisory firms and a leader in advising international investors and entrepreneurs. He is also the founder of NEST IMMO, a sister company dedicated to real estate brokerage and property wealth management.
An entrepreneur with other ventures in technology, coworking and real estate; passionate about technology, Bitcoin and Artificial Intelligence.
Our Team
20 professionals
at your service
Multilingual — FR · ES · CA · EN — certified and passionate about excellence in serving our clients.
Marc De Diego Ferrer
Founder · Chief Executive
Economist and legal expert, registered with the Col·legi d'Economistes d'Andorra (no. 295) and AGIA agent (no. 407). Founder of MCA in 2013 and of NEST IMMO.
Samara P. Ballmer
Associate Director
Specialist in Andorran corporate law and residency support for international HNWI clients.
Legal
3 legal experts
Law graduates. International mobility, wealth structuring, tax and corporate law.
Tax
2 tax advisors
Economics and Law. Corporate tax, corporate structuring, double taxation treaties, exit tax, intra-EU VAT, succession.
Accounting
5 accountants
Business Administration, Financial Mathematics and Accounting Management.
Administration
3 senior + 3 support
Family Office · M&A
CEO + senior legal expert
A legal expert with 30 years of experience on boards of directors, renowned law firms and leading companies in Compliance-sensitive sectors.
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