Privacy policy
1. Data Controller
In accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council (General Data Protection Regulation – “GDPR”) and Spanish Organic Law 3/2018 on the Protection of Personal Data and Guarantee of Digital Rights, personal data provided through this website shall be processed by:
SIRSON LEGACY, S.L.
Tax Identification Number (CIF): ESB72860828
Registered Office: C/ Santa Leonor 65, Building D, 3rd Floor, Office 10, 28037 Madrid, Spain
Email: info@sirsonlegacy.es
(hereinafter, the “Company” or the “Controller”).
The content hosted on this website is protected by the applicable intellectual property legislation. The copying, modification, reproduction, downloading, transmission, distribution, or transformation of the website’s content is expressly prohibited without the prior authorization of the holder of the relevant rights, unless legally permitted.
Access to the website does not imply the acquisition by users of any ownership rights over the content displayed therein.
Any user who becomes aware of any infringement of the intellectual or industrial property rights relating to this website shall immediately notify the publisher and shall provide full cooperation in the defense of such rights.
2. Purposes of Processing and Legal Basis
Personal data shall be processed for the following purposes:
2.1 Handling of Enquiries
To respond to requests for information submitted via contact forms, email, or other communication channels.
Legal basis: consent of the data subject (Article 6(1)(a) GDPR).
2.2 Provision of Professional Services
To manage pre-contractual communications and to provide international tax advisory and global mobility services.
This includes client identification, compliance procedures, tax structuring advisory, and related professional services.
Legal basis: performance of a contract or implementation of pre-contractual measures at the request of the data subject (Article 6(1)(b) GDPR).
2.3 Compliance with Legal Obligations
To comply with tax, accounting, anti-money laundering, and other regulatory obligations applicable to the Company.
Legal basis: compliance with a legal obligation (Article 6(1)(c) GDPR).
2.4 Newsletter and Professional Communications
To send newsletters, legal updates, technical briefings, and corporate communications related to international taxation and mobility.
Legal basis: explicit consent of the data subject (Article 6(1)(a) GDPR).
Consent may be withdrawn at any time without affecting the lawfulness of processing carried out prior to withdrawal.
2.5 Website Analytics (If Implemented)
If analytical tools are implemented (e.g., Google Analytics), browsing data may be processed for statistical and service improvement purposes.
Legal basis: consent obtained through the cookie management system (Article 6(1)(a) GDPR).
3. Categories of Personal Data Processed
Depending on the purpose, the Company may process:
- Identification data (name, surname)
- Contact details (email address, telephone number)
- Professional data
- Tax and financial data necessary for advisory services
- Browsing data (where applicable)
The Company does not intentionally process special categories of personal data under Article 9 GDPR unless strictly necessary for the provision of services and subject to appropriate safeguards.
4. Data Retention Period
Personal data shall be retained in accordance with the following criteria:
- Enquiry data: up to 12 months from the last interaction.
- Client data: for the duration of the contractual relationship and thereafter for the statutory limitation periods established under Spanish tax and commercial legislation (minimum six years pursuant to the Spanish Commercial Code).
- Newsletter data: until consent is withdrawn.
Data shall not be retained longer than necessary for the purposes for which it was collected.
5. Recipients of Data
Personal data may be disclosed to:
- Public authorities and tax agencies where legally required.
- Professional advisers (accounting, legal, compliance) where necessary.
- IT and hosting service providers acting as data processors under appropriate data processing agreements pursuant to Article 28 GDPR.
No data shall be sold or disclosed for commercial purposes to third parties.
6. International Data Transfers
Given the international scope of the Company’s advisory services, personal data may be transferred outside the European Economic Area (EEA).
Where such transfers occur, they shall be carried out:
- To countries subject to an adequacy decision by the European Commission; or
- Subject to appropriate safeguards, including Standard Contractual Clauses adopted by the European Commission, or other lawful transfer mechanisms under Articles 44–49 GDPR.
7. Data Subject Rights
Data subjects are entitled to exercise the following rights:
- Right of access
- Right to rectification
- Right to erasure (“right to be forgotten”)
- Right to restriction of processing
- Right to object
- Right to data portability
- Right to withdraw consent at any time
Requests may be submitted in writing to: info@sirsonlegacy.es.
Data subjects also have the right to lodge a complaint with the Agencia Española de Protección de Datos or with the competent supervisory authority in their country of residence.
8. Security Measures
The Company implements appropriate technical and organisational measures in accordance with Article 32 GDPR to ensure a level of security appropriate to the risk, including measures designed to safeguard confidentiality, integrity, and availability of personal data.
9. Policy Updates
This Privacy Policy may be updated to reflect legislative changes, regulatory guidance, or modifications in the Company’s data processing activities.

