Fratantoni, Diez & Asociados

Fratantoni, Diez & Asociados was founded in October 1991. It is a leading corporate consulting services provider in Argentina and the Mercosur region.

The firm’s objective is to offer personalized, professional consultancy services to help organizations in various sectors optimize their resources. In doing so, the firm not only takes into consideration the specific needs of each client, but also formulates strategies based on external business trends.

The firm specializes in

  • Tax Consultancy
  • Social Security Consultancy
  • Accounting and Accounting Audits
  • Mergers and Acquisitions
  • Integral Audits in the Corporate Acquiring Process
  • Operative Audits and Management Control
  • Entrepreneurial Development
  • Investment Projects
  • Entrepreneurial Management
  • Trusteeship

The firm currently has 4 partners, 10 professionals, and 8 assistants; all of whom undergo frequent training to stay abreast of the ongoing developments in accounting, taxation, and business management.

Our Mission

For more than two decades, the firm has been working with its clients as their strategic allies to improve their corporate performance. Our mission as consultants is to meet their needs, help them become more successful, and improve their competitive edge.

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Regions & Countries
Service Areas
TaxManagement Consulting


Av. Leandro N. Alem 1026, Piso 4° y 5°, Ciudad Autónoma de Buenos Aires (C1001AAS)
Marcelo Diez (Partner)
+54 11 4322 1919
Contact via CGA (Andrea)