Turkey work-experience document types: completion, work status, supervision, management and subcontractor certificates

Turkish construction-procurement terminology is role-specific. A contractor on a temporarily accepted completed work is not in the same documentary position as a contractor on a continuing work, a subcontractor that completed only an approved portion, or an engineer who supervised or managed the project. The regulatory system therefore uses different document categories. Bid teams should preserve that distinction in their internal reference database because converting every reference into a generic “completion certificate” description creates errors when the document is later used in a Turkish public tender.

For a main contractor, the key distinction is between work completion and work status. A completion document is tied to the completed/accepted state defined by the regulation. A work-status document is a continuing-work instrument and requires the regulatory threshold and conditions to be met. The fact that the project has reached a high physical percentage is therefore not enough by itself; the contractual and regulatory tests must also be satisfied. The bid team should record both the current project status and the exact date/status under which the document was issued.

Subcontractor experience is separately structured. Turkish rules allow a subcontractor work-completion document in eligible cases where the subcontracted work is tied to a qualifying main contract and the subcontracted portion has been completed as required. The underlying subcontract must be examined by scope, value and completion—not merely by the title “subcontractor.” This matters because the amount and nature of the work evidenced by the subcontractor document may be narrower than the overall project value and scope shown in the employer's main contract.

Supervision and management documents answer a different question again: what qualifying professional responsibility did the individual actually carry during execution? These documents should never be confused with the corporate contractor's project history. A company database should therefore maintain separate fields for corporate performance, individual professional experience, period of service, position, percentage/amount basis where relevant and the legal conditions governing use by a bidding entity. This is especially important when experienced engineers move between companies.

Domestic private-sector construction work also needs careful handling. Current Turkish construction-procurement rules contemplate work-completion/work-status documents for qualifying works undertaken for private employers in Turkey, subject to the prescribed issuing authority and supporting-document requirements. The correct conclusion is therefore not “private work never creates a Turkish experience document,” but “private work follows its own evidence and issuing route.” Bid teams should verify the live regulation and the competent authority for the specific project rather than relying on old habits from service or supply procurement, where the evidence model can differ.

The operational lesson is simple: classify the reference before you value it. For every Turkish project keep the original contract, amendments, acceptance records, payment/certification records, subcontract approvals where relevant, issued work-experience document and EKAP identifiers/status where applicable. Then map the document to the exact tender criterion. A correct certificate used against the wrong similarity class or wrong minimum amount is still a failed qualification strategy.

This article compares Turkish public-procurement work-experience rules with international tender qualification practice. The applicable tender document, procurement framework, current Turkish legislation, country law and issuing/receiving authority requirements always govern the specific case. It is not legal advice. Requirements can change by procurement package and date, so bidders should verify the live tender documents and current official rules before submission.