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Contractors and engineering consultants in Abu Dhabi must be classified by the Department of Municipalities and Transport (DMT) to bid on government and many private projects. The category you hold caps the value of contracts you can take. ZS prepares the financials and the file, and manages the application and upgrades.
The Abu Dhabi Contractors and Consultants Classification System, run by the Classification Department of the Department of Municipalities and Transport, evaluates the technical and financial capability of every engineering and contracting company licensed in the emirate. It was formalised under Regulation 1 and Regulation 2 of 2009, enforced from 2014 and updated with new rules in 2018. A classified company receives a category that determines the maximum value of tenders it may enter and the activities it may practise.

| Type | Categories | What decides the category |
|---|---|---|
| Contractors | Special, First, Second, Third, Fourth, Fifth | Net asset value, number and experience of engineers, completed project value, ISO certifications, technical staff |
| Engineering consultancy firms | Special through Sixth | Qualified engineers per discipline, years of experience, ISO, support staff |
As an example, a Sixth category consultancy can bid on projects up to about AED 7 million and must employ at least one full time engineer with four or more years of experience. Every step up the scale requires proportionately more engineers, experience, net assets and systems, with Special being the highest.
Many classified contractors also bid for ADNOC and government projects that score In-Country Value. Both depend on audited financial statements and both reward Emiratisation and local investment, so we plan them together.
Anything else, message us on WhatsApp and a consultant replies during office hours.
Only by removing every activity that requires classification from your licence, which usually removes most of a contractor's business. In practice every engineering and contracting company in Abu Dhabi needs it.
With a complete file, a first classification or renewal typically takes four to eight weeks with the DMT. Upgrades take longer if the department requests site visits or additional evidence.
It evaluates the capability of local contracting and engineering firms before they are permitted to take part in tenders within the emirate, using the criteria in Regulations 1 and 2 of 2009 and the 2018 updates.
It can be. Classification is not automatic: a panel reviews technical qualifications, project experience, capital and asset value, quality and HSE systems, and the accounting team. The higher the category you want, the stricter the requirements, which is why most companies have the application prepared by professionals.
The requirements date back to Regulations 1 and 2 of 2009, enforcement was postponed until 2014, and in 2018 new regulations were introduced together with full implementation of the 2009 rules.
We advise on how many engineers each category requires and check the documents. Recruitment and visa processing are handled by your HR team or a partner we can introduce.
Tell us what you need and a consultant replies within one business day with a fixed quote.
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