Quantity & Cost Estimation

GEM Engserv provides Quantity Surveying or Quantity Estimation service to construction contractors in India as well as internationally. Specifically in the US which is a large market for GEM, this service is known as Quantity Takeoff or QTO (Quantity Take Off) and is performed on On Centre’s OST (On Screen Takeoff) platform. GEM currently owns 5 licenses of the On Screen Takeoff software and is on it’s way to ramping up capacity. Located in Mumbai, India, GEM also offers Cost Consultancy / Cost Planning service to Indian clients.


  • Redevelopment of residential buildings
  • Mega residential projects
  • Commercial buildings
  • Marine Structures
  • Hospitals
  • Hotels
  • Bridges
  • Tunnels
  • Railway Stations
  • Stadiums
  • Industrial Buildings

Mode of Measurement

  • IS 1200
  • SMM 7
  • CESMM l
  • POMI
  • HMM
  • Australian SMM


  • OST


  • QTO for underground metro station in Vietnam.
  • Cost estimation for 5 lacs Sq.ft. Residential development.
  • Quantification and BOQ preparation of various structures of VikramUdyogpuri Project.
  • QTO Services for Oceanwide Plaza.
  • QTO Services for Dubai Parks.
  • QTO of Reinforcement Steel for Haven newstead Project.