Privacy Policy

1. Who We Are

Sidium Ventures Ltd, trading as Duly Filed, is a software company providing MTD (Making Tax Digital) compliance services to self-employed individuals in the United Kingdom. References to “we”, “us”, or “our” refer to Sidium Ventures Ltd. Contact us at contact@dulyfiled.co.uk.

2. Data We Collect

• Name and email address (account registration)
• Bank transaction data, accessed via open banking (read-only, via FCA-regulated providers)
• HMRC credentials, connected via OAuth — we never store your HMRC password
• Usage data (anonymised, for product improvement)

3. Why We Collect It

We collect your data solely to provide the Duly Filed service: syncing your bank transactions, calculating your income and expenses, and facilitating your quarterly MTD submissions to HMRC.

4. How We Store It

Your data is encrypted at rest using AES-256 encryption. We use UK and EU-based servers. Bank tokens are encrypted and access is strictly limited to the purpose of transaction retrieval. We do not sell your data to third parties.

5. Your Rights (GDPR)

As a UK resident, you have the right to: access the personal data we hold about you; request correction of inaccurate data; request erasure of your data; request a portable copy of your data; object to processing; withdraw consent at any time. To exercise any of these rights, contact us at contact@dulyfiled.co.uk. You also have the right to lodge a complaint with the Information Commissioner's Office (ICO) at ico.org.uk.

6. Data Retention

We retain your data for as long as your account is active. When you close your account, all personal data is permanently deleted within 30 days.

7. Cookies

We use only essential session cookies required to keep you logged in. We do not use advertising or tracking cookies.

8. Contact

For any privacy-related queries, contact: contact@dulyfiled.co.uk