A Comprehensive Guide for WSHO Certificate Renewal in Singapore

Written By: SCAL Academy

Date: 26 April 2024

Topic: WSH Compliance and Auditing

Step-by-Step Process, Requirements, and Fees for Renewing your WSHO Certificate in Singapore

If you are a registered Workplace Safety and Health Officer (WSHO) in Singapore, it is important to renew your WSHO certificate at least 60 days before it expires. In this guide, we will provide you with a step-by-step process on how to renew your certificate, including the requirements, fees, and related eServices.


When to Renew your WSHO Certificate

  • You will need to renew your WSHO Certificate 60 days Before expiry.


Where to Renew your WSHO Certificate


How Much to Renew a WSHO Certificate

  • The WSHO Certificate Renewal will cost $60 (Inclusive GST)

  • Fees are non-refundable, regardless of the status of your application.


How Long It Takes to Renew a WSHO Certificate

  • Processing time may take up to 4 weeks.


Requirements for WSHO Certificate Renewal

1. 40 Safety Development Units (SDUs):

  • 40 SDUs must be from categories 1, 2 or 3 subject to the maximum number of SDUs allowed for each category.

  • If you submitted more than 40 SDUs, you will not be allowed to carry forward any excess SDUs.


2. A recent colour photo

  • Be taken against plain white background without shadows.

  • Be taken within the last 3 months.

  • Show your full face without headgear.
    Headgear worn in accordance with religious or racial customs is acceptable, but must not hide your facial features.

  • Be in JPG format.

  • Be about 150 Kb in file size.

  • Have the dimensions 400 px (width) by 514 px (height).


How to attain Safety Development Units (SDUs) Points

1. Practicing WSH Professional (Category 1)

  • If the individual is employed as a Full-time/Part-time WSHO or WSH Personnel within the last 2 years, he/she can claim maximum 20 SDUs under this category.


2. Attending accredited training/activities (Category 2)

  • WSHO may attend accredited training activities such as WSH related workshops, seminars, conferences, and formal studies to attain SDU points.

  • WSHO may fulfil the full 40 SDUs requirements through attending accredited training activities.


3. Other WSH contributions (Category 3)

WSHOs who contributed to WSH in other areas:

  • Participation in professional boards, committees or societies - 4 SDUs per appointment

  • Professional membership - 2 SDUs per organization

  • Trainer conducted WSQ accredited courses - 2 SDUs per lecture hour

  • Writing and/or editing papers - 5 SDUs per paper

  • Awarded patents - 10 SDUs per patent

  • Attended selected unaccredited WSH training, including internationally recognized courses/conferences - 1 SDU per 2 contact hour

  • Contributed to WSH at national/industry level - 1 SDU per 2 contact hour

  • WSHO may only claim up to 10 SDUs from any of the above mentioned Other WSH contributions


SCAL Academy SDU Accredited Courses

Meet the Renewal Requirements for SDU Accreditation in Singapore with SCAL Academy

SCAL Academy has been accredited by the Ministry of Manpower (MOM) as a "Structured Activities" for Workplace Safety and Health Officers to obtain SDUs for renewal of registration certificates. Our range of SDU-accredited courses provides safety officers with the required SDU points needed to renew their safety certifications annually.

Our range of SDU Accredited courses covers a wide range of topics, including risk assessment, accident investigation, safety training, safety auditing, and safety culture. Whether you are looking to advance your career in safety or simply want to improve safety in your workplace, we have a course that will suit your needs.

Fulfil all your SDU requirements through SCAL Academy’s accredited SDU courses


How to Check or Submit SDUs

You can log in to MOM’s WSH eServices SDU portal to check your current SDUs or submit new SDUs.


How to Renew your WSHO Certificate

Processing time: Up to 4 weeks. May take longer if more information or documents are required.

  1. Log in to renew.

  2. Ensure that your address and contact details are correct

  3. Choose Renew Certificate to submit your renewal.

  4. Pay the $60 fee online. Your application will only be processed upon payment.

  5. Receive the outcome by post. You will receive your WSH Officer registration card by post if your renewal is successful.


What to Do if Your WSHO Certificate Has Expired

You can still renew your certificate if it has expired for less than one year.

However, if you wish to renew your certificate after more than one year of expiry, you can proceed to renew your licence if you meet the following requirements:

  • Obtained 40 SDUs.

  • Submit professional work review write-up on your past 2 years’ practical working experience in WSH field of work, including testimonials from employers.

  • Submit a cover letter on the reason for the lapse in the renewal.

  • Additional documents maybe required.



Renewing your WSHO certificate is important to ensure that you continue to meet the safety standards in Singapore. We hope that this guide provides you with all the necessary information to make the renewal process easier and smoother. If you have any questions or need further assistance, please feel free to reach out to the relevant authorities for help.


Course Duration

0.0 Day Course

  • Training Hours – 0.0 hours

Medium Of Instruction

  • English

Funding Information

Funding available for selected WSH Courses

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