Audit, advisory, and tax services for companies operating across Mexico, the United States, and Latin America. We combine professional rigor with technology to drive your growth.
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Five service lines covering the full financial, tax, and operational cycle of your business — available in Mexico, the United States, and Latin America.
A financial statement audit aims to issue an independent, technical opinion on whether the financial statements are fairly presented. We increase user confidence in financial information prepared under International Financial Reporting Standards (IFRS), US GAAP (Generally Accepted Accounting Principles in the United States), and Mexican FRS.
Legal and banking compliance; protection for shareholders and third parties.
Detailed review of tax dictamens and compliance before international tax authorities.
Implementation and supervision of internal controls under COSO / SOX frameworks.
Review of management assertions and reports beyond financial statements.
Social security, payroll, and state-level contribution attestations.
Anti-money laundering certification before CNBV and UIF in Mexico; BSA/AML compliance in the US.
Agreed-upon procedures tailored to specific reporting needs.
Review of the taxpayer's tax and financial position.
We help you design your financial strategy and navigate complex accounting standards internationally: IFRS, US GAAP, and Mexican FRS.
Chart of accounts maintenance, reconciliations, and monthly reporting.
Monthly and annual closes; consolidated financial statements.
Implementation of IFRS and US GAAP; first-time adoption support.
Restatement and conversion of financial statements across currencies and standards.
Accounting for financial instruments, derivatives, and hedge relationships.
Calculation and recognition of deferred taxes under all major frameworks.
Application of IFRS 16, ASC 842, and NIF D-5 for operating and finance leases.
Recognition and valuation of employee benefits under IAS 19, ASC 715, and NIF D-3.
Application of expected credit loss models under IFRS 9, ASC 326, and NIF C-16.
Preparation and analysis of statement of cash flows under IAS 7, ASC 230, and NIF B-2.
Identification, measurement, and disclosure of operating segments under IFRS 8, ASC 280, and NIF B-5.
Forensic investigations and financial due diligence for M&A transactions.
We eliminate the administrative tax burden with a transparent, controlled, and coordinated approach. We analyze strategic transactions from every angle, in any jurisdiction.
Calculation and filing of monthly and annual returns in the applicable jurisdictions.
International and local tax advisory.
Optimization of applicable contributions and transaction analysis.
Studies and documentation under OECD, BEPS, IRC §482, and Mexican regulations.
Tax planning for mergers, spin-offs, and international reorganizations.
Payroll calculation, e-invoicing, and compliance in MX and US payroll services.
Detection of errors, inconsistencies, and unusual operations in e-invoices.
R&D and film industry tax incentives review and certification.
We design your business strategy considering People, Systems, Processes, and Added Value. We bring you to best practices at every phase of the economic cycle.
Governance structures that protect the interests of all shareholders.
Design, evaluation, and improvement of board operations and performance.
Alignment between strategy, KPIs, and operational execution.
ERM under COSO; risk identification, assessment, and mitigation.
Evaluation, design, and implementation of internal controls under COSO/SOX.
Financial preparedness to access institutional capital sources.
Sector regulatory and compliance management in both jurisdictions.
Strategies to compete in a global economy and sustain long-term growth.
We support the design and implementation of enterprise resource planning (ERP) systems, the automation of financial and accounting processes, and the comprehensive protection of your technology infrastructure against cyber threats.
SAP, Oracle NetSuite, Microsoft Dynamics, and leading cloud solutions.
RPA, automatic reconciliation, and accelerated month-end closes.
Dashboards and BI for real-time, data-driven decision making.
IT systems audits, ITGC controls, and NIST/ISO framework compliance.
Strategic guidance through technology transformation projects.
AI models for anomaly detection, forecasting, and operational efficiency.
Maturity assessment, roadmap, and security architecture tailored to your risk profile.
Preparation and support for ISO 27001, SOC 2, PCI DSS, and NIST CSF frameworks.
LFPDPPP, GDPR, and CCPA compliance, impact assessments, and personal data governance.
Business continuity plans (BCP), disaster recovery (DRP), and operational resilience.
We serve companies across all sectors except financial services, with deep specialization in technology and the industries shaping the 21st century.
SaaS, non-banking fintech, e-commerce, AI/ML, cybersecurity.
Automotive, aerospace, electronics, IMMEX, and maquiladoras.
Brick-and-mortar and digital retail, FMCG, e-commerce, and consumer goods.
Hospitals, labs, pharmaceuticals, biotech, and medical devices.
Solar, wind, storage, oil & gas, and energy transition.
Development, investment, FIBRAs, REITs, and property management.
Supply chain, nearshoring, courier, and mobility.
Consulting, legal, marketing, creative agencies, and B2B firms.
Processed foods, alcoholic and non-alcoholic beverages, restaurant chains.
Agricultural production, exports, agribusiness value chain, and precision farming.
Hotels, resorts, cruise lines, airlines, and tour operators.
Extraction, processing, and commercialization of metals and industrial minerals.
Audiovisual production, streaming, advertising, gaming, and digital content.
Network operators, mobile infrastructure, fiber optic, and 5G.
Construction firms, civil engineering, public works, and infrastructure projects.
Universities, EdTech, corporate training, and bilingual education.
We are LC TAX AUDIT — LC TAX AUDIT LLC in the United States and LUCIO Y CIA, AUDITORIA, CONSULTORIA, IMPUESTOS, S.C. in Mexico. A firm providing professional audit, advisory, and tax services with an ethical, professional, and technology-driven approach.
Our strength lies in combining the rigor of major firms with the proximity and agility of an expert team that deeply understands both markets.
We build trust through transparency, professional excellence, and an unwavering commitment to the integrity of every figure we validate.
— LC TAX AUDIT PhilosophyTo provide high-quality professional services in audit, accounting and financial reporting advisory, tax, corporate governance, and information technology, customizing our solutions to meet the unique needs of each client. We are committed to fostering trust and transparency through an ethical and professional approach, helping our clients achieve their financial and business objectives.
To be the leading firm in high-quality professional services at competitive pricing in our region, recognized for our professional excellence, innovation in solutions, and commitment to the sustainable development of our clients. We aspire to become a comprehensive strategic partner in business management, delivering value and growth to the organizations we serve.
To support international companies in their growth by connecting the regulatory, accounting, and tax frameworks of Mexico, the United States, and Latin America into a single, integrated professional experience.
The five fundamental principles governing our professional conduct with clients, colleagues, and authorities.
Honest and forthright in all professional and business relationships.
We do not compromise professional judgment due to bias, conflicts of interest, or undue influence.
We maintain professional knowledge and skills at the required level, acting in accordance with current technical standards.
We respect the confidentiality of information acquired in professional and business relationships.
We comply with applicable laws and regulations and avoid any conduct that could discredit the profession.
Leadership trained at Big Four firms and specialist teams in every service line.
Over 26 years of audit experience, including 15 years at Big Four firms. Public Accountant from Instituto Politécnico Nacional, with a Master in Finance from Universidad Nacional Autónoma de México and an International Tax Diploma from Colegio de Contadores Públicos de México.
Over 15 years of audit experience, including 11 years at Big Four firms. Accounting degree from Tecnológico de Estudios Superiores de Tianguistenco, with a Tax Diploma and a Corporate Finance Diploma from Colegio de Contadores Públicos de México.
Specialist team in IFRS, US GAAP, and Mexican FRS, experienced in first-time adoptions, financial statement consolidation, financial instruments and derivatives, deferred taxes, and conversion between frameworks and currencies.
Specialists in international tax compliance, transfer pricing under OECD and BEPS 2.0 guidelines, corporate restructurings, and tax strategy for operations across Mexico, the United States, and Latin America.
Consultants experienced in COSO-based risk management, internal control strengthening, board effectiveness, and preparing companies to access institutional financing and capital.
Specialists in ERP implementation, finance and accounting process automation, cybersecurity under ISO 27001 and NIST frameworks, and applying artificial intelligence to the finance function.
Nearshoring is transforming the economic relationship between the US and Mexico. We analyze applicable tax regimes, IMMEX incentives, and accounting considerations for companies relocating operations.
Artificial intelligence is already transforming the audit profession. We tell you what changes and what stays the same.
Pillar Two updates and BEPS 2.0 implementation reshape transfer pricing obligations.
Join a team where professional excellence, technology, and continuous development are the everyday. We seek talent with an international vision.
Projects in Mexico and the US with rotation between offices and special projects in Latin America.
CPA, CFA, EA, and technical certifications sponsored by the firm.
AI, automation, and analytics tools for your daily work.
Personalized guidance from day one.
We are where your operations are. Let's talk about how we can support your growth in Mexico, the United States, or both.
Our US firm serves companies with operations in the United States — US GAAS audits, tax compliance, payroll, and international support.
Our Mexican firm serves companies with operations in Mexico — ISA audits, SAT and IMSS attestations, transfer pricing, and comprehensive advisory.