Who we are?

Connecting value with global compliance

Mission

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.

Vision

Ser un referente regional en asesoría de precios de transferencia, liderando con innovación, ética y compromiso.

From experience, excellence is born.

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.

Our offices

Strategic Locations

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.

27

Years of experience

4

Offices

500

Customers

1000

Client Success Stories

98

Rehire us

Our Technology

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.

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Smart TP

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.

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ValuExpert 

Our specialized technology platform for financial and valuation models enables automated structuring, full traceability of underlying assumptions, and the generation of customizable reports.

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ISÁS talent cycle

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.

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ISÁS NovaLex

Our AI-powered contract management platform streamlines the drafting, review, and analysis of agreements, delivering efficiency, control, and compliance at every stage.

Global Impact that makes the difference

Global Reach

ISÁS is part of an international alliance of tax, legal, and consulting firms operating under shared standards of quality, ethics, and technical precision. This integration allows us to: