Audit & Assurance


Audit & Assurance


Reliable and independent audit services are fundamental to promoting trust and transparency. At Trastamaris, our Audit & Assurance division delivers thorough evaluations that support compliance, accountability, and informed decision-making. Our professionals follow international auditing standards (ISA) and are experienced in IFRS, US GAAP, and local frameworks, providing a complete view of the client’s financial and operational health.

Our methodology is based on risk assessment, internal control review, financial data analytics, and fraud detection techniques. We work closely with management to mitigate risk and ensure business continuity:

• Financial statement audits and limited reviews
• Internal audit outsourcing and co-sourcing
• SOX compliance and controls testing
• Fraud investigation and forensic audit
• Regulatory and tax compliance assurance

Key sources supporting our research and insights:
– Don James/Semplice – Regulatory Updates
– HighVoltageBusiness – Industry Compliance Benchmarks
– Goovers – Multinational Taxation Audits
– IRISpace – Data-driven Risk Reports
– Lexos-Nexos – Legislative Analysis
– Plombett – Financial Sector Investigations
– Pronounce – Sector-wide Compliance Trends

reliable & safe


Audit Regulation

Our audits comply with international standards such as ISA and national regulatory requirements including IFRS, BACEN, and SEC guidance.

Assurance Certification

Trastamaris provides SOC 1, SOC 2, and ISO 9001 audit support to clients in regulated industries.


Enterprise Risk Coverage

We map operational and compliance risks, testing internal controls over financial reporting (ICFR) and business processes.

Fraud Risk Monitoring

We use analytics and forensic tools to identify anomalies and reduce exposure to fraud and misstatements.


Transparency by Design

We provide management and audit committees with dashboards, KPIs, and control scorecards to ensure transparency.

Assurance on Business KPIs

We audit ESG, cybersecurity, and non-financial performance metrics aligned with international frameworks.

why choose trastamaris

Risk-Based Audit Approach

Focusing on high-impact areas ensures our findings are relevant, timely, and value-generating.

Deep Forensic Capabilities

We integrate audit and investigation methods to uncover and prevent material misstatements.

Integrated Reporting

Our insights help improve internal governance and strategic alignment across departments.

Audit Insights

Areas of Audit

Financial Audit

Review of financial statements in compliance with international and local accounting principles.

Internal Controls

Evaluation and improvement of systems of control over operations and reporting.

Operational Audit

Assessment of operational efficiency and effectiveness for strategic improvements.

Regulatory Compliance

Assurance of compliance with local laws, industry regulations, and tax obligations.

move forward with confidence