Building contractor refers to the person, group, or organization responsible for a construction project. This can be a private individual, a government, a company or a non-profit organization.

The building contractor is usually responsible for financing the project and receives the finished result. It may also be responsible for planning, design and control tasks.

The tasks of the building contractors often also include selecting the construction company, managing the budget and working with the civil engineer.

The building contractor is usually the one who has the last word on the project.