Sign Subcontracts & Change Orders Right From the Jobsite
No more chasing trades for paper signatures or dealing with work stoppages over unapproved change orders. Get subcontracts, lien waivers, and safety forms signed in seconds on mobile — plus smart AI to catch risky contract terms before work begins.
Sign in Seconds on the Jobsite
Send agreements directly to trade contractors via email. Subcontractors and site leads can review and sign right from their phone with a finger — zero app downloads or accounts needed.
Instant Change Order Approvals
Don't let unapproved scope changes delay work or cause payment disputes. Route change orders with clear signing order — project manager approves first, followed by the owner or subcontractor.
AI That Spots Unfair Contract Traps
Drop in prime contracts or subcontracts to get an instant plain-English breakdown. AI highlights harsh liquidated damages, strict claim notice deadlines, broad indemnity shifts, and payment traps.
Dispute-Proof Digital Records
Every completed construction document is sealed with an official, tamper-evident digital certificate that records exact timestamps and IP addresses — giving you solid legal proof for project records.
How It Works for Project Managers & Trades
A fast, practical workflow built to keep construction projects moving on time and on budget.
Upload Document
Upload your subcontract, change order, or lien waiver PDF and place signature and date fields where needed.
Scan with AI
Click AI Review to see an instant summary of key milestones, penalty terms, notice deadlines, and obligations.
Send in Order
Set the signing order so internal managers approve first, then let Indigo automatically deliver it to the subcontractor.
Signed & Saved
All parties instantly receive a completed, certified PDF copy safely stored in your account for easy job costing.
Construction Documents You Can Send & Sign
From initial project bids to final lien releases and warranty handoffs:
Why Builders & Contractors Choose Indigo e-Sign
Legacy e-signature platforms charge punishing fees every time you send an envelope and offer zero help understanding complex legal terms. Here is how we make it better:
💰 Predictable Flat Pricing
No per-document penalties when sending hundreds of change orders and trade agreements during active construction phases.
🤖 Built-In Contract AI
Spot hidden liquidated damages, indemnity shifts, and harsh notice clauses before you sign multi-million dollar contracts.
⚡ Effortless for Field Trades
Subcontractors tap the link, review their agreement, draw a signature with their finger, and finish in under 30 seconds.
Frequently Asked Questions
Clear, direct answers for contractors, builders, and project leads.
Embed Construction E-Signatures into ConTech & PM Software
Automate subcontractor agreements, change order sign-offs, and lien waiver delivery directly inside Procore, Autodesk, or your custom portal.
Compare Indigo e-Sign With Alternatives
See why general contractors, trade subs, and project leads choose Indigo e-Sign over legacy e-signature vendors.
Explore Solutions for Other Sectors
See how Indigo e-Sign makes signing and contract review simple across different industries.
Keep Your Jobsite Moving Without Paperwork Delays
Give your subcontractors and project managers a fast, mobile signing experience while protecting your company with instant AI contract insights.