Running a $2M job off a spreadsheet
CortexaOS coordinates your subs, auto-generates change orders, tracks permits, and follows up on bids — so you run more projects without adding office staff. Replaces Procore, CoConstruct, and Buildertrend.
Every step. Automated.
General Contractor workflows run end-to-end — from first contact to final payment — without you chasing every step.
Bid Proposal
AI-assisted scope and takeoff, sent as a branded PDF
Contract + E-Sign
AIA-style contract generated and signed digitally
Subcontractor Coordination
Sub portal for schedules, RFIs, and document exchange
Change Order Management
Field-generated COs with owner approval in hours, not days
Permit Tracking
Permit status, inspection dates, and holding costs tracked
Closeout + Lien Waiver
Conditional and unconditional lien waivers generated on close
Invoice + Retainage
AIA G702 draw requests and retainage schedule automated
Job Cost Tracking
Budget vs actual updated from the field in real time
Schedule & Gantt
Critical path Gantt with milestone alerts and delay flags
Bid Proposal
AI-assisted scope and takeoff, sent as a branded PDF
Contract + E-Sign
AIA-style contract generated and signed digitally
Subcontractor Coordination
Sub portal for schedules, RFIs, and document exchange
Change Order Management
Field-generated COs with owner approval in hours, not days
Permit Tracking
Permit status, inspection dates, and holding costs tracked
Schedule & Gantt
Critical path Gantt with milestone alerts and delay flags
Job Cost Tracking
Budget vs actual updated from the field in real time
Invoice + Retainage
AIA G702 draw requests and retainage schedule automated
Closeout + Lien Waiver
Conditional and unconditional lien waivers generated on close
⚡AI-automated handoffs — no manual work required
A Day Running a GC Business on CortexaOS
Watch a 90-second walkthrough of how General Contractor businesses run CortexaOS end-to-end.
Watch the a GC Business Demo
2:40 · with narration
CortexaOS catches schedule conflicts before they become change orders you pay for
Change Orders Alone Will Pay for This
Calculate how much unbilled work you're leaving behind each project
Projects running simultaneously right now
Total contract value per project
Average number of scope changes per job
Typical dollar value per change order
Percentage of bids you follow up on today
Bid Win Recovery
$17,10015% more bids won from consistent follow-up
Sub Coordination Savings
$67,6005 hrs/project/week of office time recovered at $65/hr
Total Annual ROI
$286,300Conservative estimate — excludes schedule delay prevention
25% more COs captured and billed annually
Your Annual ROI
$201,60025% more COs captured and billed annually
No credit card required · Full platform access · Cancel anytime
Everything you need. Nothing you don't.
Purpose-built for general contractor businesses — not retrofitted from a generic platform.
Subcontractor Coordination Hub
Sub portal for schedules, daily logs, RFIs, submittals, and document exchange — no more email chains.
Change Order Generator
Field supervisor describes the change, uploads a photo — CO is drafted, priced with OH&P, and sent for e-signature.
Permit Status Tracker
All open permits, inspection dates, and review windows in one view — with alerts when holds are about to cost you money.
Bid Follow-Up Automation
Automated follow-up sequences keep every bid warm without manual effort — 3× more bids get a response.
Gantt Chart Scheduler
Critical path Gantt with milestone alerts, delay flags, and cascade impact calculation when any trade slips.
Job Cost Tracking
Budget vs actual updated from the field daily — labor, material, and subcontractor costs tracked by phase.
E-Signatures
Contracts, change orders, lien waivers, and draw requests all sent and signed digitally — no printing, no scanning.
AI Project Manager (Katherine)
Answers owner and sub calls, logs RFIs, drafts owner notifications, and flags schedule risks — around the clock.
Blueprint AI Analyzer
Upload any site plan or floor plan — AI counts doors, windows, columns, and structural elements for instant takeoff and estimate seed.
How we compare to Procore & Buildertrend
Feature-by-feature, CortexaOS isn't a supplement — it's the replacement.
Comparison based on publicly available feature documentation as of 2026.
Build more. Manage less.
CortexaOS handles the coordination and paperwork so your time stays where it belongs — on the job site.
No credit card required · 14-day free trial · Cancel anytime