TIAG/TAG Alliances Adds Four Accounting Firms on Three Continents

Firm Management | July 28, 2025

TIAG/TAG Alliances Adds Four Accounting Firms on Three Continents

TIAG is the accounting division of TAG Alliances, one of the largest multidisciplinary alliances of professional services firms in the world. 

Isaac M. O'Bannon

TIAG (The International Accounting Group) and TAG Alliances have added four independent accounting firms across three continents in the last two months, further strengthening the global footprint and multidisciplinary capabilities of the global alliance. TIAG is the accounting division of TAG Alliances, one of the largest multidisciplinary alliances of professional services firms in the world. 

The four accounting firms that recently joined TIAG and TAG Alliances include: 

  • AC Globally | Alvarez, Castillo & Asociados (Peru); 
  • Fiduciaire Muller & Associés S.A. (Luxembourg);
  • Anant Bhatt LLP (Kenya); and
  • Vesco Giaretta S.p.a. (Albania) [Note: Vesco is also the existing TIAG member in Vicenza, Italy.)

“We are excited to welcome these exceptional firms to TIAG and TAG Alliances,” said Richard Attisha, President & CEO of TAG Alliances. “Each of these new firms is recognized as a leading independent accounting firm in their respective markets.  They not only meet our stringent and rigorous membership criteria, but they have firm cultures that align with our global community of professionals.” Attisha continued, “This growth demonstrates the strength of TIAG and TAG Alliances‘ global brand and the trust that top-tier professional services firms place in our community. These are exciting times for TIAG and TAG Alliances as we continue to expand our global reach and deliver meaningful value to our members and their clients.”

Additionally, within the next month, TIAG and TAG Alliances will soon formally announce the addition of multiple Top 100 accounting firms in the United States, marking another major milestone in TIAG and TAG Alliances continued growth. 

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Isaac M. O'Bannon

Isaac M. O'Bannon

Managing Editor

Isaac M. O'Bannon is the managing editor and digital content manager for CPA Practice Advisor (www.CPAPracticeAdvisor.com), drawing on two decades of experience covering the areas of professional accounting, taxation, business productivity and consumer technologies. . Prior to CPA Practice Advisor, O'Bannon was a consultant at firms in San Francisco, Denver and Tulsa, serving clients that included Logitech, Polycom, Hilti, Microsoft, the Stanford Research Institute, the University of Oklahoma's College of Engineering and other technology leaders. He is a U.S. Navy groundforces veteran (never a SEAL). Email: isaac.obannon - @ - cpapracticeadvisor.com . Isaac OBannon 2019 Cropped Small Headshot