Trust Centre

OneSixth handles VAT-relevant accounting data on behalf of UK accountants and businesses. This page brings together how we keep that data safe, who we share it with, and the legal commitments we make.

Security

How we protect your data: encryption, isolation, access control, incident response.

Sub-processors

The third parties we use to deliver the service, with locations and purposes.

Data Processing Agreement

Our DPA, including UK GDPR Article 28 terms and international transfer safeguards.

Privacy Policy

What personal data we collect, why, how long we keep it, and your rights.

Cookie Policy

The cookies we set, their purposes and how to manage your preferences.

Status & changelog

Recent product updates and known incidents.

Contacts

Privacy / DPO: dpo@onesixth.app
Data subject requests: privacy@onesixth.app
Security / vulnerability disclosure: security@onesixth.app
General support: support@onesixth.app

Regulator

We are subject to the UK Information Commissioner's Office (ICO). You may complain to the ICO at any time: ico.org.uk