Quito · Guayaquil · Manta · Loja
Tax and financial decisions, with a partner in charge
Defense before Ecuador’s tax authority (SRI), transfer pricing, financial and accounting advisory, and legal advice for companies and groups doing business in Ecuador.
Finalist · ITR 2026
Transfer Pricing Firm of the Year, Ecuador · ITR Americas Tax Awards 2026
ITR World Tax 2026
Firm listed as Other notable in general corporate tax and transfer pricing; Highly Regarded partners
The Legal 500 · WWL
Next Generation Lawyer and Rising Star in Tax, Ecuador (2018–2022); Who's Who Legal, Corporate Tax (2020)
Former SRI · Tax Policy
Experience inside Ecuador’s Internal Revenue Service and on the country’s Tax Policy Committee
40+ years
Of combined partner experience, with a team of more than 25 professionals
The firm
A partner-led firm for the matters that weigh the most
TRIARIUS takes its name from the triarii, the third line of the Roman legion: the most experienced soldiers, who stepped in when the battle became decisive. That is how we work. A seasoned partner personally takes on every tax, financial or legal matter, from the first meeting to its conclusion.
Founded in 2024 by its founding partners, with more than 40 years of combined experience and a team of more than 25 professionals.
About the firmServices
Ten practices, one team
Law and consulting under one roof. Each engagement brings together, from day one, the specialists it requires.
Law
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01
Tax law and tax controversy
Tax planning, compliance and defense before the tax authority, at the administrative, judicial and constitutional levels.
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02
Corporate law
Incorporation, governance and reorganization of companies, and compliance before the Superintendency of Companies.
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03
Commercial and contract law
The contracts that keep the business running, negotiated and drafted to be enforceable.
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04
Administrative and regulatory law
Companies’ dealings with the State and with regulatory and oversight bodies.
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05
Constitutional law
Constitutional remedies against government actions that infringe the rights of companies and individuals.
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06
Employment law
Employment relationships and compliance before the labor authority.
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07
Litigation and dispute resolution
Representation in court proceedings and alternative dispute resolution.
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Consulting
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08
Transfer pricing and international tax
Compliance and defense of related-party transactions, and taxation of cross-border transactions.
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09
Financial and accounting advisory · IFRS
IFRS financial information to make decisions, negotiate and respond to auditors, regulators and investors.
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10
Accounting outsourcing and process optimization (BPO)
Ongoing accounting and payroll management, and more efficient administrative processes, so your team can focus on the business.
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Industries
Industries we know
We have advised domestic and multinational companies in industries with their own tax and regulatory rules.
Fisheries, aquaculture and exports
Telecommunications
Aviation and transport
Automotive
Consumer goods and manufacturing
Media
Maritime logistics
Family groups and holding companies
Mining and energy
Insurance
Food and beverage
Free trade zones and foreign trade
Experience
Results, without names
Under professional confidentiality, we do not identify our clients.
Consumer goods · Tax controversy
Full defense in an income tax audit reviewing transactions of more than USD 60 million
Proposed assessments of more than USD 10 million neutralized during the audit
Floriculture · Transfer pricing
An SRI audit of nearly eighteen months into a flower exporter’s transfer pricing report
Closed with no transfer pricing adjustment
Telecommunications · Regulatory
Continuity of a telecommunications operator’s operating licenses before ARCOTEL
Partners
A partner leading every engagement
Each partner heads a practice and its team. In all, more than 25 professionals, including lawyers, accountants and transfer pricing specialists.
Newsletters
Recent newsletters
Regulatory changes summarized by the tax team.
Tax Code reform published in the Official Gazette: what changes
Tax Code reform: approval and partial veto
VAT and ISD removed on imports of power generation equipment
