SERVICES Quantity Surveying and Cost Management For The Construction Industry CALLIDUS offers a wide range of Pre-Contract and Post-Contract Quantity Surveying and Cost management services to the Construction industry. Certified Professionals and experienced team of Quantity Surveyors offer Clients the option of an increased capacity of QSs at their disposal which would enable them to achieve faster turnaround and bid more projects. The team is well experienced in preparing/ validating Civil, Structure, Architecture, Interiors, MEP, Utilities and Infrastructure BOQs for new builds as well as refurbishment projects. Callidus offers its Clients the following consultancy services Quantity Takeoff Services for our International and Indian clients Cost management services for our Indian clients