Arias & Muñoz promotes tax pair

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement


Arias & Muñoz promotes tax pair

Arias & Muñoz has promoted both Ximena Tercero and Tania Solis to partner of the firm’s tax and fiscal practices in Guatemala and Panama.

Tercero has been an associate at the firm for more than seven years. She specialises in tax and fiscal planning and will lead the firm’s tax department in Guatemala.

Tercero advises clients on tax litigation across numerous sectors including energy and intellectual property.

Solis has been a part of the firm’s Panama office since its opening in 2011. She focuses her practice on fiscal, financial and regulatory matters in the banking, insurance and securities industries.

Solis also has experience in advising clients on corporate matters including M&A transactions.





Tania Solis
Tania Solis, partner at Arias & Muñoz
Ximena Tercero
Ximena Tercero, partner at Arias & Muñoz


more across site & shared bottom lb ros

More from across our site

Sharmila Sanmugam's move from industry to WTS UK offers an early glimpse into how the fledgling firm hopes to compete with larger rivals
Historical claims involving KPMG Australia's tax practice have surfaced as the firm battles a separate parliamentary inquiry into its handling of whistleblowers
While AI is revolutionising tax work, it is also reshaping clients’ willingness to pay for advice and their perception of the value generated by tax advisers
From Dhruva Advisors to Svalner Atlas, Ryan is growing fast. Tom Shave discusses consolidation, competition, and tax’s private equity debate
Awards
ITR is delighted to reveal the shortlisted nominees for the Middle East Tax Awards
The UK has confirmed its approach to the OECD’s side-by-side deal, but US-parented groups may find pillar two compliance remains far from straightforward
Fragmented pillar two taxation and increased use of AI by tax authorities have left clients fearful of heightened disputes exposure
Grant Thornton Advisors’ latest acquisition has produced the fifth-largest US advisory firm by revenue, but there’s still a clear gulf between it and the big four
Crowe joins Grant Thornton, WTS and Ryan in attracting PE investment, suggesting that dealmakers remain bullish on the tax advisory sector
HMRC expects advisers to meet ever-higher compliance criteria. After 24 consecutive qualified audit opinions, many will ask whether HMRC should hold itself to the same standards
Gift this article