CIDB Registration & Grading for Construction Tenders

If you want to bid on government construction and built-environment tenders, your business must be registered and graded with the Construction Industry Development Board (CIDB) at cidb.org.za. Your grade (1–9) and class of work tell government the size and type of project you're allowed to tender for — a tender marked "6CE", for example, needs a Grade 6 Civil Engineering contractor.

What CIDB grading means

The CIDB grades contractors from 1 to 9 by the value of work they can take on — Grade 1 is for the smallest projects (up to roughly R650,000) and Grade 9 is unlimited. Each grade is tied to a class of work, shown as a code, for example: CE (Civil Engineering), GB (General Building), EB (Electrical – Buildings), ME (Mechanical), SB/SC (specialist). A designation like 7GB means Grade 7, General Building.

Which CIDB grade do I need?

Match the grade on the tender. Government advertises each construction tender with a required CIDB grade and class (e.g. "3CE or higher"). You may only bid if your registration is that grade and class or higher. Your grade is based on your financial capability (available capital/turnover) and your largest completed project in that class.

How to register with the CIDB

Register on the CIDB website and create a contractor account.
Apply for registration in your chosen class(es) of work, starting at the grade your finances and track record support.
Submit supporting documents (CIPC registration, tax clearance/CSD, financial statements, proof of completed works for higher grades).
Pay the registration fee for the grade.
Once approved, you receive your CIDB grading, which you renew periodically and upgrade as you complete bigger projects.

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Frequently asked questions

What does CIDB grading mean?

It's a 1–9 rating of the size of construction project your business is allowed to tender for, combined with a class of work (like CE for civil engineering or GB for general building).

Which CIDB grade do I need for a tender?

Whatever grade and class the tender specifies — you can bid if you're that grade or higher. Check the CIDB requirement stated in the tender advert.

How long does CIDB registration take?

Lower grades can be processed relatively quickly once your documents are in order; higher grades take longer because financials and completed-project evidence must be assessed.

What is the difference between CE and GB?

CE is Civil Engineering (roads, water, earthworks) and GB is General Building (structures, buildings). Register in the class that matches the work you do.

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