Legal

Privacy policy

At DKDP, protecting your personal data is a priority. This policy explains what data we collect, why, and how you can exercise your rights. For any binding legal interpretation, the French version prevails.

1. Data controller

ControllerDavid Khazaei (DKDP)
Address36 Rue du 31 Décembre, 1207 Geneva, Switzerland
Emaildk@dkdp.ch
Phone+41 79 940 79 69

2. Data we collect

We only collect the data strictly required to deliver our services and manage the client relationship.

Contact forms

First and last name, email, phone (optional), project description.

Online booking

Name, email, time zone, slot picked, via Cal.com.

Browsing data

IP address, browser type, pages visited, visit duration, via analytics cookies (see section 6).

Correspondence

Emails and messages exchanged in the context of a proposal or engagement.

Chatbot conversations

Messages exchanged with the AI assistant, optional email if you share it.

3. Purposes of processing

Reply to your contact and quote requestsLegitimate interest / Contract performance
Manage the client relationship and deliver servicesContract performance
Send information about our services (with consent)Consent
Improve the website and our servicesLegitimate interest
Meet our legal and accounting obligationsLegal obligation

4. Retention periods

Contact data (non-clients)12 months after last contact
Client data (contracts, invoices)10 years (Swiss accounting law, CO art. 957)
Analytics data (browsing)13 months maximum
Online booking data6 months after the call
Chatbot conversation logs12 months (anonymised after 30 days for non-clients)

5. Subprocessors

Your data is never sold. It may be processed by the following technical subprocessors strictly required for our services. Each is bound by a data processing agreement compatible with Swiss and EU law.

Vercel

Website hosting and edge functions

USA (Standard Contractual Clauses)

Cal.com

Online booking system

USA (Standard Contractual Clauses)

Google Analytics

Anonymised audience analytics (when enabled)

USA (Standard Contractual Clauses)

Anthropic

Claude LLM used by the chatbot and selected AI agents

USA (Standard Contractual Clauses)

OpenAI

GPT models used occasionally by the chatbot and AI analytics

USA (Standard Contractual Clauses)

Resend

Transactional email delivery (forms, notifications)

USA (Standard Contractual Clauses)

Supabase

Encrypted storage of form submissions and chatbot sessions

EU (Frankfurt) / USA depending on project

6. Cookies

This website uses cookies for proper operation and audience measurement. You can manage your preferences via the consent banner displayed on your first visit, and at any time from our cookie policy.

Essential cookies

Legitimate interest

Required for the website to operate. Cannot be disabled.

Analytics cookies

Consent

Anonymised audience measurement to improve the site.

Marketing cookies

Consent

Targeted advertising and conversion tracking (Google Ads).

7. Your rights

Under the EU General Data Protection Regulation (GDPR, EU 2016/679) and the Swiss Federal Act on Data Protection (nFADP, formerly nLPD), you have the following rights:

Right of access

Get a copy of your personal data.

Right of rectification

Correct inaccurate or incomplete data.

Right of erasure

Request the deletion of your data.

Right of portability

Receive your data in a structured format.

Right to object

Object to certain processing activities.

Right to restriction

Restrict the use of your data.

To exercise your rights, contact us at dk@dkdp.ch. We will respond within 30 days. If you reside in Switzerland, you may also contact the Federal Data Protection and Information Commissioner (FDPIC). If you reside in the EU, you may contact your national data protection authority.

8. Security

We implement appropriate technical and organisational measures to protect your data against unauthorised access, loss or alteration: HTTPS encryption, restricted access to data, secure hosting, regular backups.

9. Changes to this policy

We reserve the right to amend this policy at any time. The date of the last update is shown below. In case of a material change, we will notify our clients by email.

Last updated: April 2026