Compact Shed off the wall

Sumon requested 3 quotes from Shed Installers in Werribee

size 3.00*0.75*1.95 or simillar

I will buy one similar from Bunnings or such but I need somebody to assemble that.How much?

Install Garden Shed 3.0 x 3.0
THE SHED IS 3.74L X 3.0W X 2.06H.