Privacy Policy

Last updated: 13 March 2026

ALGOJS LTD, trading as Tesni ("Tesni", "tesni.io", "we" or "us") is dedicated to safeguarding your privacy. This Privacy Policy outlines the methods and reasons we collect, use, disclose, transfer, and store your information.

If you do not consent to the collection and use of information from or about you in accordance with this Privacy Policy, then you are not permitted to use tesni.io or any services provided on https://tesni.io.

Applicable Law

Tesni is operated by AlgoJS Ltd, headquartered in the United Kingdom. By viewing any content or otherwise using the services offered by tesni.io, you consent to the transfer of information to the United Kingdom, and the collection, storage, and processing of information under the General Data Protection Regulation (GDPR) and the UK General Data Protection Regulation (UK GDPR).

Information We Collect

Information You Submit: We store information you provide on this site via forms, surveys, or any other interactive content. This information commonly includes, but is not limited to, name, email address, and uploaded files.

Log Files: We collect information when you use services provided on our site. This information may include your IP address, device and software characteristics (such as type and operating system), page views, referral URLs, device identifiers or other unique identifiers such as advertising identifiers (e.g., "ad-ID" or "IDFA"), and carrier information. Log files are primarily used for the purpose of enhancing the user experience.

Cookies: We use cookies and related technologies to keep track of user preferences and activity. Cookies are small text files created by a web server, delivered through a web browser, and stored on your computer. Most Internet browsers automatically accept cookies. You can instruct your browser, by changing its settings, to stop accepting cookies or to prompt you before accepting a cookie from the websites you visit.

Under the UK General Data Protection Regulation (UK GDPR), the lawful bases we rely on for processing this information are:

  • Your consent. You are able to remove your consent at any time by contacting hello@tesni.io
  • We have a contractual obligation.
  • We have a legitimate interest.

Your Rights

Under data protection law, you have rights including:

  • The right to be informed about the collection and use of your personal data.
  • The right of access to your personal data via a subject access request.
  • The right to rectification of inaccurate personal data.
  • The right to erasure of personal data, also known as "the right to be forgotten".
  • The right to request the restriction or suppression of your personal data.
  • The right to data portability, meaning you can obtain and reuse your personal data across different companies and services.
  • The right to object to the processing of your personal data in certain circumstances e.g. Direct Marketing.
  • The right not to be subject to automated decision-making including profiling.

Further information about your rights can be obtained from the Information Commissioner's Office (ICO).

Retention of Data

Your information is stored securely. The duration for which we retain your data depends on the activity and type of information.

Inactive User Accounts: If your account becomes inactive, we will retain your account data for a period of 4 years. After this period, your data will be securely deleted or anonymised.

Transaction Data: Data related to transactions will be retained for a period of 7 years. This retention is necessary for tax, financial, and auditing purposes.

Third-Party Services and External Links

This site contains links to other websites not owned by Tesni. In general, third-party services used by us will only collect, use, and disclose your information to the extent necessary to allow them to perform their intended services. Please be aware that we are not responsible for the privacy policies of third-party services.

Children

Tesni is committed to complying with GDPR regulations. We do not use our services to intentionally solicit data from or market to children. We encourage parents and guardians to report any suspicions that a child has provided us with information without their consent. We will take reasonable action to remove this information.

Choices

Opt-Out of Third-Party Advertisement Cookies: You may opt out of a third-party vendor's use of cookies for interest-based advertising by visiting https://aboutads.info.

Do Not Track Browser Settings: If you enable Do Not Track settings in the browser you are using, tesni.io will not use information about websites you visit, other than our site.

Email Communication Opt-Out: If you receive promotional emails from Tesni, you can unsubscribe by clicking the Unsubscribe or Opt-Out link at the bottom of every email.

Contact

How to Complain: If you have any concerns about our use of your personal information, you can contact or make a complaint to us at hello@tesni.io. Our address is:

71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ

Complaint to ICO: If you are unhappy with how we have used your data, you can complain to the Information Commissioner's Office (ICO). The ICO's address is:

Information Commissioner's Office, Wycliffe House, Water Lane, Wilmslow, Cheshire, SK9 5AF
Helpline Number: 0303 123 1113
ICO Website: https://www.ico.org.uk