At ISÁS, we are experts in transfer pricing, valuation, and legal services, delivering precise and reliable solutions tailored to the unique reality of every business. Beyond advisory, we provide comprehensive partnership, offering strategic solutions designed to thrive in today’s dynamic environment.
To provide comprehensive transfer pricing solutions that foster tax transparency, equity, and regulatory compliance—integrating technology, data analytics, and a sustainable approach to enhance our clients’ competitiveness in the global marketplace.
Ser un referente regional en asesoría de precios de transferencia, liderando con innovación, ética y compromiso.
ISÁS was founded in 1984 by CPA Francisco Javier Isás Romero in Mexico City, specializing in tax advisory services. In 2002, CPA Alejandro Isás Morales assumed leadership of the firm, relocating its corporate offices to Queretaro and expanding its focus to transfer pricing, international taxation, legal services, and valuation.
We maintain a strategic presence in several key cities, enabling us to deliver close, agile, and tailored services that meet both local and international needs.
At ISÁS, we embrace technology and innovation, investing in cutting-edge tools and software that drive greater quality, precision, and efficiency in every solution we deliver.
Our specialized and centralized platform streamlines the management of transfer pricing documentation, delivering unmatched technical quality, consistent reporting, and full compliance with regulations across more than 70 jurisdictions worldwide.
Our specialized technology platform for financial and valuation models enables automated structuring, full traceability of underlying assumptions, and the generation of customizable reports.
Our continuous training platform is designed to drive the professional growth of every team member. Through this platform, each collaborator gains access to constant, personalized, and up-to-date training programs.
Our AI-powered contract management platform streamlines the drafting, review, and analysis of agreements, delivering efficiency, control, and compliance at every stage.
Global Reach