Digital Signing built for speed, simplicity & scale
Fast, secure, and frictionless e-signing — whether you need a single document signed today or thousands of group contracts executed tomorrow.
sign.online offers a lightweight, high-trust digital signature web application that fits seamlessly into your workflow and allows you to execute agreements in seconds. No subscriptions. No registration. No ongoing fees.
eIDAS Compliant & Secure Transparent Usage-based Fees
Who We Are Today
We build lean, purpose-driven signing tools designed for real operational needs:
Turnkey Group Contracts
We transform high-volume document signing workflows from paper to digital at scale. We've helped clients like DR-WALTER, ECOM and Oriti Patents automate their contract signing processes, save time and costs, and eliminate paper and bottlenecks.
Pay-Per-Signature
Built on eID Easy, the sign.online digital signature web application gives freelancers, casual signers, and small businesses instant access to 40+ simple, advanced and qualified electronic signatures on demand. Fully compliant with EU digital signature (eIDAS) and data protection (GDPR) regulations.
Automated & Transparent
Engineered for high uptime with real-time status tracking, so you always know where your documents stand.
The Team
We operate as a lean, agile team backed by dedicated shareholders, active strategic advisors, and expert partners focused on product performance.

Martin
Strategy & Commercial Direction
Leads partnerships, turnkey deployments, and commercial strategy.
Mahdi
Lead Systems Engineer
Drives backend automation, platform stability, and status monitoring.

Hannah
Strategic Content Partner & Advisor
Provides go-to-market guidance and support for public sector growth.

Christoph
Co-Founder & Shareholder
Provides ongoing strategic advice and historical context.

Dominic
Co-Founder & Shareholder
Provides ongoing strategic advice and historical context.
Looking to integrate sign.online into your platform? Partner With Us →
Our Journey
- 2021
The Problem
Our founders experienced severe friction trying to integrate legacy digital signature tools into a health tech platform. Realizing existing software was far too complex and expensive for casual signers, they set out to build a streamlined alternative.
- 2022World Record
Launch & World Record
sign.online was founded with a clear mission: to make high-trust digital signing accessible to anyone using Estonian Gold Standards. The web app launched with no sign-up, no downloads, and flexible pay-per-use pricing. At launch, we set a world record for digital company incorporation speed.
- 2023
Turnkey B2B Expansion
Our products expanded beyond individual signers to automated, turnkey B2B solutions — helping clients like COVRD.EE, Oriti Patents, and ECOM digitize high-volume contract workflows and eliminate paper bottlenecks.
- 2024
Platform Scaling & Recognition
Our backend architecture was upgraded and expanded. We were honoured with a spot in HackerNoon's Top 10 Startups in Tallinn.
- 2025DR-WALTER Partnership
Strategic Growth & Investment
Key talent onboarded — Mahdi leading backend engineering and Hannah driving go-to-market strategy. A major strategic partnership and investment deal was signed with insurance specialist DR-WALTER to deploy high-impact group signing workflows.
- 2026
Global Scale
Focusing on B2B and B2G positioning and growth. A fresh website has been revealed, including translation into 12 additional languages, to support our mission to deliver a truly global, frictionless signing service.
How did we break a world record in 2022? Read our story →
The Vision
Spread Estonia's Gold Standard for Frictionless Signing to the World
Digital signatures should be simple, reliable, and priced fairly for actual usage. As we expand our turnkey B2B solutions and public sector initiatives across Europe, sign.online remains dedicated to being the leanest, fastest alternative to traditional signature platforms.
Ready to move your contracts online?
Sign a single document in seconds, or book a discovery call for a turnkey rollout across your team.