Privacy Policy
February 2026
Data Controller
Williams Esfandiari, an associated firm of Esfandiari, S.A.P.I. de C.V., with offices in Monterrey, Nuevo Leon, Mexico, is responsible for the collection and processing of your personal data through this website.
Information We Collect
We collect information you voluntarily provide through our contact form: your name, company name, email address, inquiry type, and message content. We also collect technical data automatically: browser type, operating system, IP address (anonymized), pages visited, and time of visit through privacy-respecting analytics that do not use cookies.
Purpose of Collection
Your personal data is collected and processed for the following purposes: (a) to respond to your inquiries and provide information about our services; (b) to manage our business relationship; (c) to comply with legal and regulatory obligations; (d) to improve our website and services.
Legal Basis
We process your personal data based on your explicit consent provided when submitting the contact form, and on our legitimate interest in responding to business inquiries and improving our services.
Data Retention
Personal data collected through the contact form is retained for a period of 24 months from the date of collection, or for the duration of any business relationship that results from the inquiry, whichever is longer. Technical analytics data is retained for 12 months.
Third-Party Sharing
We do not sell, rent, or share your personal data with third parties for their marketing purposes. Data may be shared with service providers who assist in operating our website and processing inquiries, under strict confidentiality agreements.
Your Rights
Under applicable law, including the Mexican Federal Law for the Protection of Personal Data (LFPDPPP) and the California Consumer Privacy Act (CCPA), you have the right to access, rectify, cancel, or oppose the processing of your personal data. To exercise these rights, contact us at contacto@williamsesfandiari.com.
Cookies
This website uses a single functional cookie (we-lang) to remember your language preference. We do not use tracking cookies, advertising cookies, or any third-party cookies. Our analytics solution operates without cookies.
Changes to This Policy
We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date. Continued use of the website after changes constitutes acceptance of the updated policy.
Contact
For privacy-related inquiries, contact us at contacto@williamsesfandiari.com.