Trust and compliance
Accreditations, certifications and trust
The credentials behind Invoice And Tax — who issued each one, to whom, for what scope and until when — with a link to check it at the source.
Last reviewed:

Credentials
Our accreditations and certifications
Each statement is published only after its evidence has been checked, and is withdrawn if it lapses.
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Accredited Service Provider — Fawtara (Oman Tax Authority)
Accredited Service Provider
Invoice And Tax is listed by the Oman Tax Authority's Fawtara portal as an Accredited Service Provider.
The Oman Tax Authority's Fawtara portal lists ELSAYED HAMDI FOR ADVANCED TECHNOLOGY, with the solution Invoice And Tax, as an Accredited Service Provider (accreditation date 13 August 2026). The listing can be checked on the Fawtara portal.
- Issuer
- Oman Tax Authority (Fawtara portal)
- Holder, as named by the issuer
- ELSAYED HAMDI FOR ADVANCED TECHNOLOGY
- Solution listed
- Invoice And Tax
- Data residency, as listed
- Germany or Sultanate of Oman.
- In effect since
The listing records accreditation by the Oman Tax Authority; it is not a guarantee of commercial performance. The Fawtara portal is the authoritative list.
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Peppol Certified Service Provider — Access Point
AP Certified
Peppol-certified Access Point Service Provider.
Invoice And Tax is listed on OpenPeppol's Peppol Certified Service Provider list as an AP Certified provider (Access Point), under the Peppol Authority for Oman (Oman Tax Authority). Legal entity: Elsayed Hamdi For Advanced Technology (Invoice and Tax).
- Issuer
- OpenPeppol AISBL (Peppol Authority: OTA)
- Holder, as named by the issuer
- Elsayed Hamdi For Advanced Technology (Invoice and Tax)
- Role
- Access Point
- Country
- Oman
- In effect since
This certification covers the Access Point role in the Peppol network.
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ISO/IEC 27001:2022 — Elsayed Hamdi for Advanced Technology SPC
ISO/IEC 27001:2022
Invoice And Tax is developed and operated by Elsayed Hamdi for Advanced Technology SPC, whose Information Security Management System is certified to ISO/IEC 27001:2022 for the scope stated in certificate 305026071423IS.
Certificate 305026071423IS, issued by QRO to Elsayed Hamdi for Advanced Technology SPC: initial registration 14 July 2026, valid until 13 July 2029. It certifies the organisation's Information Security Management System for the stated scope; it is an organisational certification, not a product certification.
- Issuer
- QRO
- Holder, as named by the issuer
- Elsayed Hamdi for Advanced Technology SPC
- Certificate number
- 305026071423IS
- In effect since
- Valid until
Scope
Designing and Programming Software Management, Provision of Secure Software Development, Cloud Hosting, AI-Powered Information Security Services, and SaaS Billing Platforms.
The certificate covers the information security management system of Elsayed Hamdi for Advanced Technology SPC for the scope above; it is not a certification of an individual product.
Security controls
Controls in the platform
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Multi-factor authentication
Available for every user; mandatory for administrators, with recovery codes on enrolment.
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Role-based access control
Permissions follow roles, so each person sees and does only what their job requires.
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Encryption at rest
Sensitive fields are encrypted in the database, not only on disk.
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Tenant isolation
Data is separated by organisation and branch.
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Append-only audit trail
Create, approve, issue and adjust actions are recorded and never edited in place.
Audit and governance: Append-only audit trail -
Hosting location
Data residency for the hosted service is Germany or the Sultanate of Oman.