In short: You can sign a contract online for the vast majority of business agreements, because EU law generally recognises freedom of form. The key is matching the signature level to the contract: a simple or advanced electronic signature for everyday agreements, and a qualified electronic signature (QES) where written form is legally required. A well-designed online signing flow also reduces drop-off and captures the evidence you may need later.
Most commercial agreements do not require ink on paper. Under Regulation (EU) No 910/2014 (eIDAS) and national contract law, parties are usually free to choose the form of their agreement, which means you can sign a contract online and have it be just as binding as a paper version. The practical questions are which signature level to use, how to make signing painless for the counterparty, and how to preserve proof. This guide walks through all three.
For most contracts, yes. Article 25 of eIDAS establishes that an electronic signature cannot be denied legal effect or admissibility as evidence merely because it is electronic. Combined with the principle of freedom of form in Austrian and German civil law, this means the majority of B2B and B2C agreements can be concluded electronically without any special formality.
A minority of contracts are exceptions. Certain agreements are tied to a statutory written form or even notarisation, and for those you either need a qualified electronic signature that is legally equivalent to a handwritten one, or you cannot sign a contract online at all. Knowing which category your document falls into is the first step.
eIDAS defines three levels, and choosing the right one is a balance between legal weight and friction:
A useful rule of thumb: the higher the value, the longer the term, or the greater the legal exposure, the higher the assurance level you should use.
A dependable online contracting flow follows a consistent sequence:
Following these steps lets you sign a contract online in minutes while still capturing everything you would need if the agreement were ever questioned.
The commercial value of signing online is not just speed, it is completion. Every extra step, download or account creation is a chance for the counterparty to abandon the process. Remote signing that works in the browser, on any device, and asks only for the identification the chosen level genuinely requires, keeps completion rates high. Where a QES is needed, remote identity verification lets the signer complete everything without a branch visit.
Evidence matters just as much as convenience. When you sign a contract online with an advanced or qualified signature, the signature binds to the document so any later change is detectable, and a qualified timestamp fixes the moment of signing. Preserving this data means the agreement remains provable long after the deal closes, which is precisely what you want if a dispute ever arises.
primesign lets you sign a contract online at the assurance level each agreement needs, from a quick electronic signature to a fully qualified electronic signature backed by verified identification.
As a qualified trust service provider under eIDAS, primesign supports remote signing, PAdES formatting and qualified timestamps, so your online contracts stay legally sound and verifiable over time.
Ready to sign a contract online without the print-and-scan detour?