The following companies have been accredited by the Controller, adhering to IMDA regulations. The accreditation criteria are stipulated in the Electronic Transactions Act 2010, Electronic Transactions (Certification Authorities) Regulations 2010 (300.08KB) and the Compliance Audit Checklist for Certification Authorities (68.82KB).

Name of Company Netrust Pte Ltd Assurity Trusted Solutions Pte Ltd
Contact Details
The Operations Manager
Netrust Pte Ltd
19 Tai Seng Avenue #05-01
Singapore 534054
Tel: +65 6212 1388
Assurity Trusted Solutions Pte Ltd
460 Alexandra Road, #28-04, mTower
Singapore 119963
Attention: NCA Operations
Start of Accreditation
Netrust has commenced operation as a licensed CA on 14 June 2001 Assurity Trusted Solutions Pte Ltd has been an accredited CA since 26 October 2021
Current Accreditation Duration
The current CA accreditation is valid for 2 years from 14 June 2023 to 13 June 2025. The current CA accreditation is valid for 2 years from 26 October 2021 to 25 October 2023
Links to CA Certificates Netrust Root CA 1 Certificate (ZIP)
Netrust Root CA 2 Certificate (ZIP)
Certification Practice Statement, Certificate Policies and Recognised Certificates can be accessed at
Links to Repository

Netrust CA1 - ldap://
Netrust CA2-1 - Idap://
Netrust CA2-2 - Idap://

Links to Certificate Practice Statement and Certificate Policies
The Netrust Certificate Practice Statement and relevant Certificate Policies can be assessed at
List of Recognised Certificates
  1. Netrust Root CA Certificate
  2. Netrust Signing CA Certificate
  3. Netrust Personal Net-ID Certificate
  4. Netrust Corporate Net-ID Certificate
  5. Netrust NetServer Server Certificate

Root CA: Singapore National Root CA - G1 Certificate (ZIP)

Singpass Account (Individual) Certificates

  • Issued by Intermediate CA: Singapore NDI Intermediate CA 1 – G1 Certificate (ZIP)
  • Registration Authority: Government of Singapore

Description: The certificates issued by the Intermediate CA are used with the Singpass app for authentication and digital signing purposes.

Logos for Accredited CAs

Accredited CAs may display the following logos during the conduct of their business as an indication that they have been accredited by the Controller.

Accredited CAs logo for companies in Singapore that have been accredited by the Controller