The quantity surveyor provides a variety of financial and cost management services for construction projects including cost planning, contract administration, valuation of construction work, and facilities management. They give preliminary cost advice, prepare bills of quantities and analyze tenders to advise clients on contractor selection. Quantity surveyors also help establish the best contractual methods and forms of tendering for a project. Their role involves using estimation software and other tools to budget, forecast cash flow, and ensure projects are delivered within budget.