Commercial control

Quantity Surveyor (QS)

A construction cost professional who advises on measurement, cost planning, procurement, tendering, valuation and commercial control.

Alphabetised construction reference cards beside a drawing and scale ruler
Construction glossaryCategory: Commercial control.
Definition

A construction cost professional who advises on measurement, cost planning, procurement, tendering, valuation and commercial control.

Why it matters

A QS helps the project team understand cost and contractual effect across design and delivery.

Example in practice

The QS prepares the tender comparison and later assesses monthly valuations and variations.

Use the term carefully

State the scope, amount, adjustment method or contract meaning whenever this term could change who carries cost or risk.