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Solution & integration design

ConfidentialIn reviewV5Checked out to Eng. Asma S. Al-Hamdan

The solution architecture and the integration map to Nafath, Absher and the Government Service Bus, the membership & request data model and the security and availability requirements.

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Confidential

Kingdom of Saudi Arabia

Saudi Contractors Authority

Project Management Office (PMO)

Code
DOC-0203
Version
V5
Date
2026-10-19

Solution & integration design

Muqawil Platform — Release 4

⁦1⁩. Solution overview

The platform is the unified Muqawil portal, a membership-request workflow and forms engine, a central integration layer and a contractor, member and request data store, hosted on a licensed cloud inside the Kingdom with a ⁦99.9%⁩ availability target.

⁦2⁩. Integration map

PlatformPurposePatternStatus
NafathSingle sign-onSynchronous — OIDCIn testing
AbsherVerifying the firm’s authorised personSynchronous — RESTDone
Government Service BusCommercial register, Balady and Etimad dataAsynchronous — messagingIn build
SADADMembership and certificate fee paymentNightly batchPlanned

Every interface goes through the central API gateway; the Government Service Bus uses asynchronous messaging so a slow agency never blocks a membership request, with automatic retries and an audit trail for every message.

⁦3⁩. Simulator & fallback

A local simulator of the Nafath, Government Service Bus and Absher interfaces is built in the first integration sprint, so the team keeps working when the national test environments go down — as they did for nine days in September.

⁦4⁩. Data model

  • Contractor: commercial registration, authorised person, membership class, contacts, consents
  • Request: type (membership, renewal, certificate, project registration), stage, attachments, time limit
  • Check: Service Bus message number, issuing agency, status, reply date
  • Log: every change with who, when and through which channel

⁦5⁩. Cybersecurity & data protection

  • Compliance with the ⁦ECC-2:2024⁩ and the cloud cybersecurity controls
  • Personal data encrypted at rest and in transit under the PDPL
  • An independent penetration test before launch with no critical or high findings
  • Round-the-clock monitoring from the security operations centre

Enterprise architect

Eng. Asma S. Al-Hamdan

Architecture review

Eng. Laila Mansour
Issued from Munjaz — valid only once approved electronically1 / 1

Confidential

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