Built for general contractors and commercial builders
Bid-to-billing project management with detailed budgets, change orders, subcontractor coordination, and lien-friendly invoicing — all in one platform.
Built for Commercial Construction Companies
Every feature tailored to how commercial construction businesses actually operate.
Detailed Project Budgets
Build budgets line-by-line: labor, materials, equipment, subs. Track real-time variance against actuals with cost-code categorisation.
Subcontractor Portal
Invite subs to dedicated portal: bid on packages, submit COIs, log time, upload invoices, sign change orders.
Change Orders
Document scope changes with photo evidence, cost impact, schedule impact. Track approval workflow + signatures.
Bid Packages & RFPs
Send detailed RFPs to multiple vendors at once, compare bids side-by-side, award and convert to PO instantly.
Progress Billing & AIA
AIA G702/G703 invoice format. Schedule-of-values tracking. Lien waivers. Retention holdback automation.
Insurance & Compliance
Track sub COIs, workers comp, bonding. Auto-renewal alerts. Compliance reports for OWNER + GC + sub stack.
How GreenLine Construction Manages a 24-Month Build
See how the entire workflow comes together in MCC Systems OS.
Estimator builds detailed budget with cost-codes for labor, mat'l, equipment, subs
RFP sent to 8 mechanical subs through Subcontractor Portal
Bids compared side-by-side, awarded sub uploads COI + bonding to portal
Daily field reports log progress with photos, time, weather, manpower
Change Order #14 generated from field RFI, owner signs online
Monthly AIA G702/G703 progress billing sent automatically
Lien waivers tracked, retention holdback released per contract milestones
The Impact
Plus Everything Else You Need
Every commercial construction plan includes the full MCC Systems OS platform with 150+ features.
Ready to Transform Your Commercial Construction Business?
See how MCC Systems OS handles everything from site visits to final invoicing — tailored for commercial construction companies.