If you are having outsourced work in your business, you must use a work order management system. This software register the works, give work order to companies, take quotations and analyse the best quotations. You can approve quotations and work order will be given via email.
This improves efficiency of the work order system. You will have valid data to support any confusions in the line work, no qoutations will be missed out, you can monitor the work and analyse the performance of the work. This will help in decision making in future. In a way, the efficiency of the process will be increased drastically.