Why contractors choose Sterling
Carbon-integrated cost estimating
Estimate cost and carbon together, without exporting between tools reducing your risk of error and omission, reducing your risk of error and omission. Sterling’s dual currency estimating engine connects both sets of data from day one, helping you meet Net Zero requirements without slowing down bid preperation.
Faster, smarter bid preperation
Enhance your estimating process by collabartion within the teams, Reduce the amount of manual input and to mitigate changes and oppertunities. Use structured cost libraries, automated takeoff, and resource-based templates to build accurate estimates quickly and replicate them across similar projects or frameworks.
Commercial control at every step
Track cost and carbon impact as design evolves. Use snapshots and revisions to manage changes, apply risk adjustments, and finalise cost plans and estimates with full audit history.
Built for frameworks. Procurement-ready.
Sterling outputs are aligned with PAS 2080, ICMS, and NEC requirements, making it easy to deliver compliant submissions. From public frameworks to private tenders, you’ll have the documentation you need to prove performance.
Trusted by preconstruction teams who deliver
Sterling is used by Tier 1s, regional contractors, and specialist subcontractors managing complex capital works. It’s built to support how real teams estimate, spreadsheet-compatible, procurement-safe, and fast to deploy.
Powerful support for Contractors
Build and benchmark estimates using structured resources, cost items, and carbon factors
Assign cost and carbon data to 2D/3D takeoffs or manual quantities
Create and manage work packages, invite quotes, and compare returns
Visualise impact of change across versions, down to individual resources
Forecast life cycle cost and carbon for long-term project planning
Collaborate across teams — estimators, commercial leads, and sustainability roles in one platform
Outputs your clients can trust
Cost Plans
Bills of Quantity (BOQs)
Package enquiry and management
PAS 2080-aligned carbon reports
Framework-standard cost breakdowns
Lifecycle cost and carbon forecasts
Clean, exportable audit trails