Privacy Policy

1. Who we are

For the purposes of this Policy, the Data Controller of your personal data is:

• Legal name: CSE Contábil Assessoria e Consultoria Ltda
• CNPJ (Brazilian Tax ID): 07.002.763/0001-10
• Address: Rua dos Buritis, 128 — Block B, Suite 301 — Jabaquara — São Paulo/SP — ZIP 04321-000 — Brazil
• Contact email: contato@csecontabil.com.br
• Phone: +55 11 5017-0937

2. Personal data we collect

We collect only the data necessary to provide a good browsing experience and respond to your requests. Data may be collected in two ways:

2.1. Data you provide

When you contact us voluntarily — for example, by clicking the WhatsApp button, sending an email or calling our phone — we may receive:

• Full name
• Email address
• Phone / WhatsApp number
• Company name (when applicable)
• Content of the message sent

2.2. Data collected automatically

During your browsing, we automatically collect technical information through cookies and analytics tools:

• IP address (anonymized when possible)
• Browser type and version
• Device operating system
• Pages visited and time spent
• Traffic source (which website or search engine you came from)
• Approximate location (city/state, based on IP)

3. How we use your data

We use your personal data for the following purposes:

• Respond to inquiries: reply to contacts made via WhatsApp, email or phone
• Provide information: clarify questions about our accounting services
• Improve the website: understand how visitors use the site to enhance content and usability
• Statistical analysis: generate aggregated reports (without personal identification) on website performance
• Comply with legal obligations: meet requirements of competent authorities, when applicable

Important: we do not engage in sales, automated marketing, behavioral profiling for advertising or sharing your data with third parties for commercial purposes.

4. Legal basis for processing

The processing of your personal data is based on the following legal grounds set forth in Article 7 of the LGPD:

• Consent (Art. 7, I) — for the use of non-essential cookies and analytics tools
• Legitimate interest (Art. 7, IX) — to respond to contact requests and improve website security
• Compliance with legal or regulatory obligation (Art. 7, II) — when required by law or competent authority

5. Cookies and tracking technologies

Cookies are small text files stored on your device during browsing. We use cookies to ensure the basic functioning of the website and to understand how it is used, always respecting your choice through the consent banner shown on your first visit.

5.1. Types of cookies used

5.2. How to manage cookies

You can accept, refuse or manage cookies at any time:

• Through the consent banner shown on your first visit
• By clearing cookies in your browser (the banner will reappear on your next visit)
• By configuring your browser to block cookies (Chrome, Firefox, Safari, Edge)

Refusing non-essential cookies does not prevent you from browsing the site, but may limit our ability to improve your user experience.

6. Data sharing

CSE Contábil does not sell, rent or trade your personal data. Sharing only occurs with:

• Technology service providers: Google (Analytics, Tag Manager, Search Console) and website hosting providers, all with contractual data protection obligations
• Public authorities: when required by law, court order or request from a competent authority

Some of these companies (such as Google) may store data on servers outside Brazil. In such cases, we ensure that international transfer complies with the requirements of the LGPD (Articles 33 to 36).

7. Storage and retention

Your data is stored for the time necessary to fulfill the purposes described in this Policy, observing the following terms:

• Contact data: retained as long as there is an active relationship or legitimate interest, with deletion upon request
• Browsing data (analytics cookies): as per the term indicated in the cookies table
• Data required by legal obligation: for the period determined by applicable legislation

8. Your rights as a data subject

Pursuant to Article 18 of the LGPD, you have the right, at any time, to request:

To exercise any of these rights, please contact our Data Protection Officer at contato@csecontabil.com.br. We will respond to your request as soon as possible, observing legal limits.

9. Information security

We adopt reasonable technical and administrative measures to protect personal data against unauthorized access, loss, alteration or improper disclosure, including:

• Encrypted connection via HTTPS (SSL certificate)
• Hosting with a provider that follows recognized security practices
• Restricted data access to authorized personnel only
• Regular updates of website systems and plugins

Despite our efforts, no system is 100% secure. In the event of a security incident that may pose significant risk to data subjects, we will notify the Brazilian National Data Protection Authority (ANPD) and affected data subjects, as provided in Article 48 of the LGPD.

10. Data Protection Officer (DPO)

In compliance with Article 41 of the LGPD, we have appointed a Data Protection Officer to receive your questions, requests and complaints:

You may also file a complaint directly with the Brazilian National Data Protection Authority (ANPD) through the website www.gov.br/anpd.

11. Changes to this Policy

This Privacy Policy may be updated periodically to reflect changes in our practices, technologies used or legal requirements. The current version will always be available on this page, with the date of the latest update indicated at the top.

We recommend that you review this Policy regularly. Continued use of the website after any changes implies agreement with the updated version.

CSE Contábil Assessoria e Consultoria Ltda
CNPJ 07.002.763/0001-10 • São Paulo/SP — Brazil
Version 1.0 — updated on April 26, 2026