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Check CIDB registration and grading

Search the official Construction Industry Development Board register by CRS number or contractor name. Review registration status and every returned grading here.

Free public checks · No account required

Tenders SA is independent of CIDB. Registration alone does not guarantee eligibility for a tender.

Verify a contractor

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Enter the CRS as shown on the register, including leading zeros. Example: 10331877.

A lookup checks CIDB information only. It does not guarantee tender eligibility. View official CIDB register

Reading a CIDB record

CRS number: identifies the contractor on the register. Keep leading zeros when copying it.

Grade and class: a designation combines a grade with a class of construction work. A contractor may have more than one designation; check each class against the tender’s wording.

Expiry and status: check both the source status and the displayed expiry. Annual updates, renewal and registration are separate matters. Do not calculate an expiry date from the general registration cycle.

Potentially emerging (PE): read the register and tender conditions carefully. PE does not automatically establish eligibility for a higher grade.

Confirm the name, CRS number, status, all relevant designations and expiry on the official register. A missing field or an unavailable search is not proof of registration or non-registration. Check the full tender conditions separately.

For joint ventures, use the official CIDB joint venture guidance. Do not add or average partners’ grades. Assess PE exceptions against the particular tender and development conditions.

CIDB says it does not issue registration certificates and advises clients to verify online; supporting documents are not a substitute for a current register check. See its registration guidance.

Planning an application or upgrade? The CIDB grade calculator estimates a possible grade from your finances and work history; this checker shows what the register currently records.

Construction tender readiness · CIDB dashboard

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