How to Choose the Right Contractor: 10 Things to Check Before Signing a Contract

Choosing a contractor is one of the most important decisions a project owner will make. The relationship does not end when a quotation is accepted. The contractor will be involved in day-to-day site activities, procurement, labor, coordination, quality control, scheduling, and ultimately the delivery of the project. For that reason, contractor selection should never be based on price alone. Before signing a contract, consider these ten areas. 1. Clarity of the Scope of Work The proposal should make it reasonably clear what the contractor is expected to execute. General descriptions leave room for different interpretations once construction begins. A clearer scope makes responsibilities easier to understand and quotations easier to compare. 2. The Detail Behind the Quotation Do not compare only the total amount. Review the individual items, quantities, measurement units, and whether the price covers material supply, installation, transportation, testing, or other relevant requirements. Two quotations with different totals may not be pricing the same work. 3. Exclusions What is excluded from a quotation can be just as important as what is included. Ask specifically about work that is outside the contractor's price. An apparently cheaper quotation may eventually cost more if several necessary activities need to be contracted separately. 4. A Realistic Project Schedule Ask how long the work is expected to take and how the major activities will be sequenced. A good schedule is not simply a promised completion date. It should reflect the actual scope, procurement requirements, activity dependencies, and other relevant project conditions. The shortest proposed duration is not necessarily the most realistic one. 5. Relevant Previous Work Review real completed or ongoing work that is relevant to the type of project being considered. The objective is not simply to see attractive photographs. Look for evidence that the contractor has experience dealing with work of a similar nature and level of complexity. 6. Quality Control and Inspections Ask how work will be inspected during construction. Quality should not be checked only at final handover. Intermediate inspection helps identify issues before work is concealed or before the next activity makes correction more difficult. 7. Management of Variations Changes can occur during construction. The important question is how those changes will be managed. There should be a clear process for describing the variation, evaluating its cost where applicable, understanding its possible effect on the schedule, and obtaining the required approval before execution. 8. Communication and Progress Reporting Determine who will be responsible for communication during the project. It should be clear how progress, technical questions, required decisions, and important site matters will be communicated. A project is easier to manage when information reaches the right person at the right time. 9. Payment Terms and Progress Payment arrangements should be clearly understood before the contract is signed. Review the advance payment, milestone payments, payment triggers, and the obligations connected to each payment. The final payment structure should reflect the agreed contractual arrangement and the nature of the project. 10. The Contract A contract is not simply an administrative formality. It should clearly establish the agreed scope, duration, contract value, payment mechanism, responsibilities, procedures for changes, and handover requirements, together with other terms relevant to the project. The clearer these matters are before execution, the lower the risk of disagreement later. Is the Lowest Quotation the Best Choice? Not necessarily. Price differences can be caused by different scopes, specifications, material assumptions, exclusions, execution periods, or commercial conditions. Before deciding that one contractor is cheaper than another, first make sure the quotations are genuinely comparable. A quotation with a lower headline price but substantial exclusions cannot be fairly compared with a more comprehensive quotation without accounting for those differences. Conclusion Choosing the right contractor is not about selecting the highest or lowest number. It is about identifying the contractor that provides a clear understanding of the project scope, execution method, responsibilities, commercial conditions, and delivery process. Every important question resolved before the contract is signed removes one area of uncertainty that could otherwise become a disagreement during execution.