Conttra.

De-Risk Your Profit. Automate Lien Waiver Compliance.

Conttra delivers managed automation services to mid-size construction companies. Regain your peace of mind while Conttra automates lien waiver compliance, validates project costs, and fully scales your AP operations.

The Only State-Specific Lien Waiver Automation.

Stop gambling with compliance. Conttra automates the complex, state-specific tracking and processing of Mechanic's Lien Waivers, ensuring accurate, timely execution every time.

Extreme Accuracy

Machine learning, integration with existing ERP and Project Management, and "human-in-the-loop" escalation ensures accurate processing and reporting.

Lightning Fast

Automated data ingestion, real-time tracking, and smart-filing accelerates project closeouts and reduces administrative overhead.

Fully Auditable

A centralized, secure digital ledger of every waiver ensures peace of mind during internal and external audits.

Unlock Your Existing Software Stack's Full Potential

Conttra's top-layer agentic orchestration allows your business to get the most out of its existing ERP and Project Management software.

1. Compliance Dashboard

Our managed services proactively collect, validate, and prepare required documents, drastically reducing liability and audit stress. We turn compliance from a liability into a streamlined process.

2. Real-Time Cost Tracking

Connect financial data directly to project timelines. Gain immediate visibility into costs, committed spend, and budget variances, allowing PMs and CFOs to make profitable decisions, not retroactive corrections.

3. Scalable AP Automation

Designed to handle $100M+ revenue growth without adding headcount. Our solution automates invoice processing, 3-way matching, and payment approvals, ensuring a smooth, scalable workflow that grows with you.

Built for the Mid-Size Contractor.

You've already pivoted to cloud-based ERP and Project Management solutions, but your compliance processes have been left behind. Conttra integrates with your existing software for seamless, peace of mind.

Ready to find out if Conttra is right for your business?