Aluminium facade products Estimating / Takeoff services

I require competent Estimating/ Takeoff services. We supply aluminium facade shading products in commercial buildings in the Australian construction industry. You will measure and quantify a variety of products from supplied architectural drawings and documentation, the takeoff will need to be supplied back to us as a markup of elevations, plans, details accompanied by a excel spread sheet. We are looking for someone that we can work with on a long term basis as you will need to get to know the line of products we are able to provide and variables in materials.