Stop Losing M&E Tender Margin to Buried Subcontractor Footnotes.
Upload your Engineer Specification (NBS / NRM2) and Supplier Quote PDFs. Subcamber levels quotes line-by-line, exposes hidden footnote exclusions, and previews draft JCT subcontract qualification clauses in this sample audit.
Apparent Lowest Supplier Quote
£138,000
Midlands Air Distribution
LOWEST PAPER QUOTE (UNVERIFIED)True Lowest Risk-Adjusted Quote
Pending Spec Audit
Click 'Run AI Audit' below to level quotes against NRM2 Spec
Unpriced Margin Erosion Caught
Pending Spec Audit
Not yet audited
4 Supplier Footnotes UncheckedNet Tender Profit Impact
Pending Spec Audit
Run audit to calculate buyout & variation risk
RUN AI SPECIFICATION & FOOTNOTE EXCLUSION AUDIT
Expose hidden supplier risks against the mandatory engineer specification (NRM2 / JCT DB 2016).
Click to expose 6 hidden supplier exclusionsMechanical Equipment Package
Package Scope: Mechanical Equipment Supply-Only Schedule (within a £650,000 Total HVAC Package)
AHU-01 (Qty 2)
Custom Double-Wall Rooftop Air Handling Units
NRM2 Gp 38 · Spec Cl. Q25.310
Supplier A · Apex Building Services
As quotedSupplier B · Midlands Air Distribution
As quotedSupplier C · Vanguard Thermal
As quotedCH-01 (Qty 1)
450kW Low-GWP Air-Cooled Screw Chiller
NRM2 Gp 38 · Spec Cl. Q10.145
Supplier A · Apex Building Services
As quotedSupplier B · Midlands Air Distribution
As quotedSupplier C · Vanguard Thermal
As quotedP-01/02 (Qty 2)
Dual Inverter Chilled Water Header Pumps
NRM2 Gp 38 · Spec Cl. R11.205
Supplier A · Apex Building Services
As quotedSupplier B · Midlands Air Distribution
As quotedSupplier C · Vanguard Thermal
As quotedHIU-01–24 (Qty 24)
Commercial Apartment Heat Interface Units
NRM2 Gp 38 · Spec Cl. S12.400
Supplier A · Apex Building Services
As quotedSupplier B · Midlands Air Distribution
As quotedSupplier C · Vanguard Thermal
As quotedSupplier A
£146,500
Supplier B
£138,000
Supplier C
£142,000
Protect your next equipment buyout
Bring a past tender package to a confidential commercial review.
Built for Commercial M&E Teams Tired of Post-Award Margin Write-Offs
Subcamber was engineered in the UK alongside Managing Quantity Surveyors and Pre-Construction Directors to eliminate the single biggest source of M&E margin erosion: technical specification exclusions buried in supplier quote footnotes under tender-day pressure.
UK Engineered (Coventry & London)
Confidential Tender Review
No Public AI Training in This Demo
1-Click Mutual NDA Available