Company Seals

Advanced Company Seals

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The electronic company seal a.sign seal advanced enables you to seal documents as a legal entity in an advanced way. Create signatures for your company independently and encrypt and decrypt messages reliably: This way you protect yourself and your data and increase trust in your company or authority.

Your benefits at a glance

Convince yourself of the advantages of our advanced company seal.

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Create your own e-seals

Independently create advanced digital signatures as a legal entity and represent your company to the outside world with your own seal.

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Protected data exchange

Rely on protected data exchanges and data security through message encryption and decryption.

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Available for online purchase

a.sign seal advanced can be ordered conveniently online via a quick and uncomplicated registration process and does not require any additional hardware.


The following requirements must be met in order for your advanced company seal to be issued.

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EU registered office

For the issuance of the advanced company seal, a company headquarter within the European Union is required. We therefore verify your data by means of an extract from the Austrian Company Register or from the European Business Register (EBR). Non-registered organizations must provide copies of alternative documents to verify their existence.

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Technical requirements

The key length must be at least 2048 bits (RSA), and at least SHA-256 is recommended as the hash algorithm.


All prices in € excluding 20% VAT

a.sign seal advanced

a.sign seal advanced - certificate (per year – fair use)€ 200.00

3 simple steps to get your a.sign seal advanced

Get your advanced company seal from Austria's leading trust service provider in 3 easy steps.


Fill out form

Fill out the order form on our website and sign the document as an authorized signatory either qualified (e.g. with your ID Austria) or manually (in this case a copy of your ID is also required).


Select payment method

Choose whether you want to pay your advanced company seal annually by direct debit, or once per invoice for the entire duration of the certificate validity.


Issue seal

We will then issue and submit your advanced company seal. Afterwards, you and your employees can independently create advanced company seals for your company.