From PDF to legally binding signature in 3 minutes
BuiltSign makes signing documents easy, secure, and legally valid — for you and everyone you invite to sign.
How to send a document
- 01
Upload your document
Upload any PDF up to 1 GB. Your document is instantly stored securely on our EU servers.
- 02
Add signers
Add one or more signers by name and email address. Optionally set a signing order.
- 03
Place fields
Drag and drop signature fields, date fields, text boxes, and more onto the exact spot in your document.
- 04
Send
Click Send. Each signer immediately receives a personalised email with a unique link.
- 05
Track in real time
See who has signed in real time. Receive the completed PDF automatically once everyone is done.
How to sign a document
Signers do not need an account.
- 01
Receive the email
The signer receives a personalised email with a secure link — no account required.
- 02
Verify identity (optional)
If enabled by the sender: your government ID and a selfie are matched by our AI verification system — no account required.
- 03
Read & sign
The document is displayed in the browser. The signer fills in all fields and places their signature.
- 04
Confirmation & certificate
After signing, everyone receives a confirmation email with the signed PDF and the unique certificate.
Ready instantly after signing
Signed PDF
Download the final PDF immediately — all signatures and the embedded certificate included.
Audit trail
A complete timeline of all actions: who signed, when, and how. Legally admissible evidence.
Always verifiable
Verify any signature at builtsign.com/verify using the unique certificate ID.
Who is BuiltSign for?
HR & Contracts
Handle employment contracts, NDAs, and onboarding forms quickly and with full legal validity.
Real estate agents
Sign purchase agreements and rental contracts digitally with a complete audit trail.
Freelancers
Send and sign service agreements and quotes professionally — done in minutes.