Sign Documents with Qualified eSignatures. Globally.

Legally binding documents throughout EU, and beyond. Secure and easy-to-use document signing proccess. Give Mark Sign a try and Sign up Now.

3 Signatures/month for Free with SimplySign, Smart-ID, Mobile-ID

Sign, Manage and Validate signed documents with Ease

Global signing, Single account for teams, and more

Mark Sign features

Many ways to verify your identity

Sign documents from anywhere in the world using your Smart-ID, Mobile-ID, ZealiD, USB Token or Smart Card.

Legally binding signatures

After implementing advanced tools and following the strict requirements of the EU eIDAS regulation, we have created a solution where signed documents are equivalent to handwritten ones.

White-label solution

Send eSigning emails and reminders following your brand colors and logo.

All Mark Sign Features

Mark Sign kliento finomark spalvotas logotipas

“We realized that after introducing qualified electronic signature and digitization of customer management processes, time required to service borrowers decreased by 30 to 40 percent.”

– Grazvydas Balcas, CEO of FinoMark
Mark Sign kliento spalvotas logotipas

„We are focused on efficiency and strive to simplify all processes for our customers as much as possible, so with Mark Sign, all contracts with our customers and partners are signed quickly and conveniently.“

– Giedre Blazgiene, Managing Director at
legal balance spalvotas logotipas

„By using Mark ID and Mark Sign e-ID solutions, we can achieve our goal of providing the highest quality legal services, speeding up work processes and maintaining the highest security standards.”

– Marius Slepetis, CEO of Legal Balance
saulės grąža spalvotas logotipas

“Document signing with an electronic signature is a quick and easy solution, so now we can dedicate more of our time towards new project development.”

– Deiminta Noreikiene, CEO of Saules graza
prevence logotipas žydrame fone

“Mark Sign solution makes work easier for our team, and above all creates a much easier way to collaborate with customers.”

– Edgaras Margevicius, Lawyer, Founder of Prevence spalvotas logotipas

“There is no need anymore to gather paper contracts, customers do not need to print and sign them by hand. We use Mark Sign solution to sign all contracts: both with clients and partners.”

– Rimante Serpytiene, Customer Service Manager at Fastlink

Compliant to the highest standards

The continuous service availability and the highest security standards are fundamental to everything we do at Mark Sign.

We are certified by the globally recognized ISO 27001 information security management certificate, and our data regularly monitored by data security specialists.

Learn more about what we use to ensure seamless and reliable services.


Discover the power of e-signatures today!

Join thousands of Mark Sign users

3 Signatures/month for Free with SimplySign, Smart-ID, Mobile-ID