Why PEs Choose StampLedger
Modernize your stamping process while protecting your professional reputation
Faster Approvals
Municipalities verify your stamps instantly, speeding up the permit approval process for your clients.
Reduced Liability
Blockchain proof of what you stamped and when protects you against disputes and unauthorized use.
Professional Image
QR code verification looks modern and trustworthy. Shows clients you use cutting-edge technology.
Audit Trail
Complete history of all stamps for insurance claims, legal defense, and professional records.
Create a Stamp in 4 Steps
The entire process takes under 60 seconds
Upload Your Drawing
Upload your PDF or DWG file. We support all standard engineering document formats.
Enter Project Details
Add project address, permit number, and any notes. Takes about 15 seconds.
Review and Sign
Review the stamp preview and confirm with your digital signature. Recorded on blockchain.
Download Stamped PDF
Get your PDF with QR code overlay. Ready to submit to any municipality.
Protect Your Professional Reputation
Your PE stamp represents years of education, experience, and professional responsibility. StampLedger ensures it can never be forged or misused.
- Unforgeable
Cryptographic signatures ensure only you can create stamps with your license
- Timestamped
Blockchain proves exactly when you stamped each document
- Insurance Verified
Records prove you had active coverage at the time of stamping
- Revocable
If a project changes, you can revoke a stamp with documented reason
The Problem with Physical Stamps
Physical stamps can be photographed and reproduced
No proof you had insurance when you stamped
Documents can be altered after stamping
No easy way to track all stamps you've issued
Simple, Transparent Pricing
Start free, upgrade when you need more
Join the Early Access Program
Be among the first PEs to use blockchain-verified stamps. Early adopters get free lifetime access to the basic tier.
- Free forever (10 stamps/month) for early adopters
- Your feedback shapes the product
- Priority access to new features
- Direct line to the founder
Get Early Access
We're launching in Q2 2026. Sign up to be notified when we open beta access for PEs.