← All signatures in this jurisdiction

UA · UkraineAvailable

дія

Diia.Signature

A remote QES on a smartphone for signing documents and authentication.

Sign ↗Official page ↗

Initiator: Ministry of Digital Transformation of Ukraine
Provider: Diia QTSP / State Enterprise DIIA
Type: Remote qualified electronic signature
Validity: 1 year
Country: Ukraine
Checked: 2026-08-07

What is it? Diia.Signature?

The private key is split between the user’s smartphone and the provider’s remote qualified device.

◇ Free▯ On your smartphone♙ For individuals

What you need

✓ The Diia app
✓ A supported biometric identity document
✓ An NFC-enabled smartphone
✓ A five-digit PIN

How it works

1◉

Activate

Open the Diia app and start Diia.Signature activation.

2⌗

Confirm identity

Read the document chip with NFC and complete photo verification.

3•••••

Create a PIN

Set a five-digit PIN.

4▧

Sign

Signing is approved with the five-digit PIN in the app after NFC activation.

Legal effect

In Ukraine

Remote qualified electronic signature

QES with the presumption of handwritten-signature equivalence where validation confirms qualified status.

Abroad

Check the scenario

Acceptance depends on the state, system and format; XAdES, PAdES, CAdES and ASiC-E are available for European scenarios through the designated service.

Formats

XAdESPAdESCAdESASiC-E

Where it is used

Vchasno

Document workflow and remote signing

● Supports Diia.SignatureView profile →

WhiteDoc

Electronic document workflow and signing

● Supports Diia.SignatureOpen service ↗

ASKOD Online

Electronic document workflow and signing

● Supports Diia.SignatureOpen service ↗

Deals

Electronic document workflow and signing

● Supports Diia.SignatureOpen service ↗

EDIN

Electronic document workflow and signing

● Supports Diia.SignatureView profile →

DepositSign

Document signing

● Supports Diia.SignatureView profile →

Dokument.Online

Electronic document workflow and signing

● Supports Diia.SignatureOpen service ↗

My Art-Office

Electronic document workflow and signing

● Supports Diia.SignatureOpen service ↗

Where to sign

ID.GOV.UAOfficial signing portal

Diia QTSPSign a file online

Where to verify

ID.GOV.UAElectronic signature validation

Diia QTSPVerify a signed file in the browser

Central Certification AuthorityCertificate and signature validation

Official sources

Diia.Signature official helpca.diia.gov.ua/faq_diia_idOfficial information↗Diia.Signature integration documentationintegration.diia.gov.ua/signature.htmlOfficial information↗Diia.Signature service termsca.diia.gov.ua/contract_diia_idOfficial information↗Diia QTSP regulationsca.diia.gov.ua/reglament_caOfficial information↗Trust service provider registryczo.gov.ua/ca-registryOfficial information↗

Checked: 2026-08-07