Cost estimating
Detailed, defensible estimates that support informed investment and delivery decisions.
Harnessing advanced data analytics, real-time processing, and intuitive project controls to deliver reliable estimates, stronger decisions, and measurable efficiency.


GEMS combines experienced quantity surveying with disciplined project controls, so owners and delivery teams can act on accurate information at the moment it matters.
Detailed, defensible estimates that support informed investment and delivery decisions.
Real-time tracking that makes bottlenecks, resources, and completion risk visible.
Structured planning and controls that keep complex work aligned to value.
Early identification, clear mitigation, and data-backed response strategies.
Objective cost and contract advice designed to protect financial interests.
Seven connected disciplines give project teams a reliable commercial baseline from early estimates through final close-out.
Cost management, project planning, and tailored commercial advice.
Precise assessments grounded in risk, opportunity, and market dynamics.
Structured comparison against relevant standards and project metrics.
Legal protection, cost control, risk mitigation, and clear communication.
Real-time data and actionable insight for proactive management.
Workshops and probabilistic analysis that reveal key project exposure.
A disciplined transition across contractual, financial, and administrative work.
From front-end estimating through commercial close-out, GEMS supports demanding projects with a consistent, data-led approach.

Practical perspectives on quantity surveying, project management, and the controls that keep delivery on course.
Share your challenge with the GEMS team. We will help identify the right quantity surveying, commercial, or project-control response.