Quantity Surveying is a profession within the construction industry that focuses on managing the costs and budget of building projects. Quantity surveyors ensure that projects are completed within financial constraints by estimating costs, preparing tender documents, and conducting financial assessments throughout the project lifecycle. They play a crucial role in both public and private sectors, working alongside architects, engineers, and contractors. By providing expert advice on cost control and value engineering, quantity surveyors help to optimize resources and ensure that projects are delivered efficiently and effectively.