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Mastering GST e-Filing in Singapore: A Smarter Way for Businesses to Stay Ahead

  • 2 minutes ago
  • 3 min read

28 April 2025

Editor: ET

Mastering GST e-Filing in Singapore: A Smarter Way for Businesses to Stay Ahead
Adapting to the GST e-Filing process may seem complex, but with the right knowledge and systems in place, it becomes a valuable tool for growth and compliance.

In today's fast-paced business environment, staying compliant with tax obligations is crucial for companies operating in Singapore. With the evolution of digital tax services, the GST e-Filing process has become more streamlined and accessible.



At Expede, we empower businesses to navigate Singapore’s tax system efficiently. Here's a complete guide to mastering GST e-Filing through myTax Portal.


Getting Started: Understanding Singapore's Shift to Singpass Login


Since 11 April 2021, businesses are required to log in to government digital services, including myTax Portal, using Singpass instead of Corppass. This change ensures greater security and efficiency across all government platforms.


To log in:

  • Company representatives and tax agents must access myTax Portal via Singpass under the “Business Tax Matters” section.

  • If you need assistance, IRAS provides detailed login guides for both company and tax agent users.


Transitioning to Singpass enhances user authentication, making the filing process smoother and more secure.


Authorising the Right People: Why User Access Matters


If your business is filing GST returns for the first time or there is a change in the personnel handling filings, you must authorise the users accordingly in Corppass before filing.

Key points:

  • The individual responsible for filing must be assigned GST (Filing and Applications) e-Service access.

  • A third party, such as a tax agent, must also be authorised through Corppass if engaged.

  • Different guides are available for companies, sole proprietors, and entities under special conditions (e.g., liquidation).


Ensuring proper user authorisation prevents delays and errors during the GST filing process.


Step-by-Step: How to Successfully File Your GST Return


Once authorised, follow these steps to file your GST return via myTax Portal:

  1. Log in with Singpass under “Business Tax Matters.”

  2. Preparer Role: Retrieve and complete the GST return, then save it as a draft.

  3. Approver Role: Review and submit the GST return to IRAS.

  4. Submit: Only an Approver can officially submit the return.


Important Tip: Users granted access to all e-Services during the Corppass set-up automatically assume the Approver role.


Need a visual walkthrough? IRAS offers a step-by-step video to simplify the process.


Don't Miss Out: Saving Acknowledgements and Payment Essentials


After successfully filing the GST return, an acknowledgment page will appear summarising your submission. Always save this page for your records.


For payment:

  • Pay any outstanding GST via GIRO, Internet Banking, Phone Banking, or NETS.

  • If you've signed up for GIRO, instalment plans are available.

  • Refunds for GST claims are generally processed within 30 days unless your return is selected for audit.


Keeping track of your acknowledgment and payment ensures transparency and financial control for your business.


Going Beyond Filing: Other Useful GST e-Services You Should Know


myTax Portal offers more than just GST return filing. Businesses can access a range of services, including:

  • Viewing past filings

  • Managing GIRO arrangements

  • Applying for GST refunds

  • Accessing notifications and updates from IRAS


By fully utilising these e-Services, businesses can maintain compliance, optimise tax planning, and strengthen financial operations.



Adapting to the GST e-Filing process may seem complex, but with the right knowledge and systems in place, it becomes a valuable tool for growth and compliance. At Expede, we help Singapore-based businesses stay ahead with efficient, compliant, and strategic tax management. Embrace digitalisation, streamline your operations, and build a stronger financial future today.

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