🇭🇰 Hong Kong SAR · Mobile eID / app
iAM Smart
iAM Smart one-stop personalised digital services platform
iAM Smart is Hong Kong's government digital identity app, launched on 29 December 2020 for Hong Kong Identity Card holders aged 11 and over. It provides single login to government and private services and form auto-fill, and the higher iAM Smart+ tier adds digital signing with a certificate recognized under the Electronic Transactions Ordinance (Cap. 553).
What it does
Online authenticationBiometric authenticationQualified digital signaturesIdentity verification / KYC
Country:🇭🇰 Hong Kong SAR
Type:Mobile eID / app
Status:Live
Launched:2020
Issuer:Digital Policy Office (formerly OGCIO), Government of the Hong Kong SAR
Who can get it:Hong Kong Identity Card holders aged 11 and over
HKID number format
X123456(A)
- •One or two prefix letters
- •Six digits
- •Check digit in brackets (0-9 or A)
Weighted checksum mod 11 over the letters and digits; a remainder mapping to 10 is written as A.
Format
Mobile app
Identity attributes
Name (English and Chinese)HKID numberDate of birthGenderAddress and contact details (e-ME profile)
Authentication methods
Device biometricsPINFacial identification (iAM Smart+ step-up)NFC card read
Common use cases
Government e-services loginAuto-filling formsLegally recognized digital signingBank and insurer onboarding
Standards
Electronic Transactions Ordinance (Cap. 553) digital certificates
Coverage
Over 4.2 million users and more than 1,400 services (Legislative Council paper, end of February 2026)
Interoperability
Domestic
Privacy and trust
Personal data is shared with a service only after the user consents in the app for each request.
Official source
https://www.iamsmart.gov.hk/en/iAM Smart: frequently asked questions
- Who can register for iAM Smart?
- Hong Kong Identity Card holders aged 11 or above.
- Can iAM Smart sign documents?
- Yes, with the iAM Smart+ tier, which adds a digital certificate recognized under the Electronic Transactions Ordinance.
Educational reference, not official guidance. Confirm current details with the issuing authority. all Hong Kong SAR schemes · identity verification vendors