Privacy Policy

Last updated: May 19, 2026

This Privacy Policy describes how CircuitWall Consultancy (“we”, “us”, or “our”) handles information in connection with the website circuitwall.net (the “Site”) and any consulting services provided by Andrew Wu through CircuitWall Consultancy (the “Services”).

By using the Site or the Services, you agree to the practices described below. If you do not agree, please do not use the Site or the Services.

1. Who we are

CircuitWall Consultancy is an independent consultancy operated by Andrew Wu, based in Stockholm, Sweden. You can reach us at contact@circuitwall.net for any privacy-related questions or requests.

2. Information we collect

We try to collect as little personal data as possible. Depending on how you interact with us, we may receive the following:

  • Information you give us voluntarily. When you contact us by email or another channel, we receive your name, email address, message content, and any other information you choose to share (for example, details about your project, employer, or technical environment).
  • Technical information from your visit. Our hosting provider and any analytics or security tooling may automatically receive standard request data such as IP address, user agent, referring URL, requested URL, timestamps, and approximate geolocation derived from the IP address. This data is used to operate, secure, and monitor the Site.
  • Cookies and similar technologies. The Site itself does not require login or set tracking cookies for marketing purposes. Essential cookies or local storage may be used to support site functionality (for example, a service worker for offline support or remembering UI preferences). Third-party services we link to (e.g. LinkedIn, GitHub, X/Twitter) may set their own cookies if you follow those links.

We do not intentionally collect special-category personal data (such as health, political opinions, or biometric data), and we ask that you do not send us such information.

3. How we use information

We use the information described above to:

  • respond to inquiries and provide the Services you request;
  • operate, maintain, secure, and improve the Site;
  • prevent and investigate abuse, fraud, or violations of our Terms of Service ;
  • comply with applicable legal obligations and respond to lawful requests.

We do not sell your personal data, and we do not use it for third-party advertising.

If you are located in the European Economic Area, United Kingdom, or Switzerland, we rely on the following legal bases under the GDPR:

  • Consent — when you voluntarily contact us or submit information.
  • Performance of a contract — to deliver the Services you have engaged us for.
  • Legitimate interests — to operate and secure the Site, communicate with prospective clients, and improve our offering, balanced against your rights and freedoms.
  • Legal obligation — where required by law (e.g. tax and accounting records).

5. Sharing and disclosure

We share personal data only with:

  • Service providers that help us run the Site or the Services (for example, hosting, email, analytics, or backup providers), under appropriate confidentiality and data-protection terms;
  • Professional advisers such as accountants and lawyers, where necessary;
  • Authorities or third parties when required by law, court order, or to protect the rights, safety, or property of CircuitWall Consultancy, our clients, or others.

We do not share personal data with third parties for their own marketing purposes.

6. International transfers

The Site is hosted and operated using providers that may process data outside your country, including in the European Union, the United Kingdom, and the United States. Where personal data is transferred outside the EEA, UK, or Switzerland, we rely on appropriate safeguards such as Standard Contractual Clauses or equivalent mechanisms.

7. Retention

We retain personal data only for as long as needed for the purposes described in this policy:

  • Inquiry and project correspondence: typically up to 24 months after the last interaction, unless an ongoing engagement requires longer.
  • Contractual, billing, and tax records: as required by applicable law (typically up to 7 years).
  • Server and security logs: short retention windows determined by our hosting and security providers.

8. Your rights

Depending on where you live, you may have the right to:

  • access the personal data we hold about you;
  • request correction of inaccurate data;
  • request deletion of your data (“right to be forgotten”);
  • restrict or object to certain processing;
  • request portability of data you provided to us;
  • withdraw consent where processing is based on consent;
  • lodge a complaint with a supervisory authority (in Sweden, the Integritetsskyddsmyndigheten (IMY) ).

To exercise any of these rights, email contact@circuitwall.net . We may need to verify your identity before acting on the request.

9. Security

We use reasonable technical and organisational measures to protect personal data against loss, misuse, and unauthorised access. However, no system is perfectly secure; please do not send us sensitive information by unencrypted email.

10. Children

The Site and the Services are not directed to children under 16, and we do not knowingly collect personal data from children. If you believe a child has provided us with personal data, please contact us so we can delete it.

The Site contains links to third-party websites (for example, GitHub, LinkedIn, X/Twitter, and external articles). We are not responsible for the privacy practices of those sites and encourage you to read their privacy policies.

12. Changes to this policy

We may update this Privacy Policy from time to time. The “Last updated” date at the top of this page reflects the most recent revision. Material changes will be highlighted on the Site.

13. Contact

If you have questions or requests regarding this Privacy Policy, contact:

CircuitWall Consultancy — Andrew Wu Email: contact@circuitwall.net

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