Legal Center
This page lists every current HisaBooks legal, privacy, security, and billing document in one place.
Last updated: 31 October 2026
Current policy documents
What am I agreeing to?
The contract for using the service, and how plans and billing work.
Paid web subscriptions and trials are governed by the checkout summary, the Terms of Service, and the Subscription, Cancellation, and Refund Policy. Mobile apps do not sell subscriptions or in-app purchases.
- Terms of Service The contract between your business and us. 28 Oct 2026
- Billing Terms Section 5 of the Terms of Service: fees, renewal, and refunds. 28 Oct 2026
- Acceptable Use What the service may and may not be used for. 21 Aug 2026
- Subscription, cancellation, refunds How plans renew, how to cancel, and when refunds apply. 21 Aug 2026
What happens to my data?
What we hold, why we hold it, and how to get it back.
- Privacy Policy What personal data we hold, why, and your rights over it. 29 Oct 2026
- Cookies and local storage What our website and apps store on your device. 28 Oct 2026
- Data Processing Addendum How we handle personal data on your company's behalf. 29 Oct 2026
- Subprocessor register The providers that handle data for us, and where. 31 Oct 2026
- Data and account requests Ask for access, correction, export, or deletion. Form
- Account and data deletion What happens when a user or a workspace is removed. 28 Oct 2026
How is it protected?
How the platform is secured, and how to report a problem.
What do you commit to?
Support, where the service is available, and the software we build on.
Who you contract with
HisaBooks is provided by HISABOOKS PRIVATE LIMITED (UEN 202607376D), Singapore, registered office: 22 Sin Ming Lane, #06-76 Midview City, Singapore 573969.
- Legal and support
- support@hisabooks.com
- Data Protection Officer
- dpo@hisabooks.com
- Security reports
- Follow the Responsible Disclosure Policy. HISABOOKS PRIVATE LIMITED also publishes security.txt for standard vulnerability-reporting discovery.
- Legal notices
- Include your company code if applicable, the policy or invoice reference, your relationship to the customer company, and enough detail for HISABOOKS PRIVATE LIMITED to route the request.
Need an earlier version of a document? Email support@hisabooks.com.