Legal framework🇫🇮EU member state · Parliamentary republicHelsinki

E-signature legality in Finland

Suomi

Finland recognises e-signatures under eIDAS and the Strong Identification Act.

The law in plain language

Finland's Act on Strong Electronic Identification and Trust Services (Law 617/2009, revised 2016) implements eIDAS. Bank-ID systems run by Finnish banks are the dominant identification method and are widely accepted as creating qualified signatures.

Primary framework
eIDAS + Laki vahvasta sähköisestä tunnistamisesta
National act
Laki vahvasta sähköisestä tunnistamisesta ja sähköisistä luottamuspalveluista 617/2009 (revised 2016 for eIDAS)

Signature tiers recognised in {country}

Finland recognises the three eIDAS-aligned tiers. The right tier depends on the contract — most B2B documents are fine with SES; AES adds an identity-binding factor; QES carries the legal force of a handwritten signature for documents that require written form.

SES
Simple Electronic Signature

The baseline — admissible as evidence in court. Suitable for everyday commercial contracts.

AES
Advanced Electronic Signature

SES + a second factor (typically SMS) that uniquely binds the signature to the signer.

QES
Qualified Electronic Signature

AES + a qualified certificate from a Qualified Trust Service Provider. Equivalent to a wet signature.

Routinely signed electronically

  • B2B service agreements, SaaS contracts, supplier MSAs
  • NDAs, sales orders, partner agreements
  • Employment offer letters, onboarding paperwork
  • Independent contractor + freelance engagement letters
  • Quotes, invoices, statements of work
  • Internal HR documents (policy acknowledgements, training)

Still need wet ink

  • Real estate transfers and mortgages (notarisation required)
  • Wills, testaments, and inheritance documents
  • Marriage, divorce, adoption and other family law instruments
  • Some employment-termination documents under national labour law

Specifics for Finland

  • Finnish bank-IDs (verkkopankkitunnukset) are the most-used identification factor in qualified signatures.

Local Qualified Trust Service Providers

We recognise certificates from these providers when verifying signed PDFs on /verify.

  • DVV (Digital and Population Data Services Agency)
  • Telia Finland

Underlying standards

The legal force above comes from these technical + regulatory standards. Each has its own page with the full detail.

Not legal advice: This page summarises the publicly-stated legal framework for electronic signatures in Finland. It is not legal advice. Specific transactions — especially in regulated industries or where written form is mandatory — should be reviewed with a qualified lawyer in your jurisdiction.

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