Digital agreements

Create and sign an NDA online.

Protect confidential information with a legally binding Non-Disclosure Agreement — created, reviewed and signed entirely online with eIDAS-compliant signatures.

Why sign.online

Trusted by businesses across Europe

Founders, contractors, employers and legal teams handling confidential discussions.

Legally binding

QES/AES signatures under eIDAS, valid across the EU.

Two-way or mutual

One-direction or mutual NDAs supported, with multiple signers.

Stored 7 days

Documents auto-delete from our servers after 7 days.

Audit trail

Every signature recorded with full audit-trail metadata.

How it works

Four steps, fully online

From your data to a legally binding, signed PDF — no software to install.

STEP 01

Set up

Enter signer details and contract data — or upload your own PDF.

STEP 02

Review

Both parties review the document in-browser before signing.

STEP 03

Sign

Choose a signature method, authenticate and sign — in minutes.

STEP 04

Store

Receive the signed PDF by email. Auto-deleted from our servers after 7 days.

Pricing

Pay only for what you sign

Free Simple Electronic Signatures · €0.99 per QES/AES document, up to four signers. No subscriptions, no surprises.

Ready to digitize your contracts?

Book a free discovery call or get a tailored quote for your turnkey solution.