Independent Quantity Surveying & Construction Commercial Support
Better commercial decisions before costs become problems.
Independent quantity surveying and commercial consultancy for construction projects across the UK and Ireland.
Services
Commercial support at every stage
From early-stage estimating through to final account, STC provides independent, senior-level commercial input.
Commercial methodology
What sits behind the number?
We don't just look at the number. We look at what sits behind it.
STC provides the analysis. You make the decision.
About STC
Senior-level commercial input, without the overhead
STC brings over 15 years of quantity surveying and commercial management experience to every engagement. We work directly with clients, contractors and professional teams — providing the kind of independent, senior-level commercial input that protects your position and improves your outcomes.
Recent commercial instruction
Independent variation assessment and commercial review support.
Reviewed contractor variation submissions against the contract, agreed pricing basis, scope and supporting records. Provided a reasoned assessment of entitlement and valuation to support the client's commercial decisions.
Who we work with
Built for those who need commercial clarity
Private Clients
Independent cost advice and commercial oversight for self-build and development projects.
Developers
Pre-construction cost advice, budget reviews and employer-side commercial management.
Contractors
Commercial support on live contracts, variation accounts and final account negotiation.
Consultants
Commercial review and QS input to complement design and project management services.
Project Managers
Independent commercial input to support project delivery and protect client interests.
Construction Organisations
Embedded commercial management support from procurement through to close-out.
Flexible engagement
Direct, senior-level support
STC operates as a focused, senior-level consultancy. Engagements are handled directly — not delegated to junior staff.
Process
How we work
Understand
We take time to understand your project, contract and commercial position before advising.
Analyse
We review the facts, the contract and the numbers — independently and without agenda.
Advise
We provide a clear, evidence-based commercial position and recommendation.
Support
We stay with you through negotiation, agreement and close-out.
Ready to discuss your project?
Get in touch to discuss how STC can support your commercial position.