GST Filing in Singapore

GST Compliance & Filing.
Handled End to End

From registration to your quarterly Form F5 submission, DigiSME prepares, reconciles, and files your GST returns with IRAS accurately and on time, every period.

A wholly-owned subsidiary of Info-Tech Systems, the only SGX-Listed SAAS Company

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Mandatory Filing for Singapore Businesses

Do I need to Register for GST?

Once registered, you charge 9% GST on your supplies and file returns with IRAS, usually every quarter. Here's where you stand.

Compulsory

S$1M+

Turnover over S$1 million

If your taxable turnover exceeded S$1 million in the past 12 months, or is expected to in the next 12, registration is mandatory.

Voluntary

Below S$1M

Register by choice

Below the threshold but want to reclaim input tax or look established to larger clients? You can register voluntarily.

Once registered

Quarterly

File every period

A GST return (Form F5) is due even if no tax is payable including nil returns for every accounting period.

Late Submission

S$200/month

A penalty for each completed month a return stays outstanding, up to S$10,000 per return.

Late Payment

5% +2%/month

A 5% penalty on unpaid tax, then an added 2% each month it remains outstanding.

Filing Deadlines

One month after each quarter

GST returns are filed quarterly and due within one month of the end of each accounting period. Payment is due by the same date. We track every deadline and remind you well ahead of time.

A return must be filed for every period,even a nil return when there's no GST to report.

Q1 · Jan – Mar

Accounting period ends 31 Mar

File BY

30 Apr

Q2 · Apr – Jun

Accounting period ends 30 Jun

File BY

31 Jul

Q3 · Jul - Sep

Accounting period ends 30 Sep

File BY

31 Oct

Q4 · Oct – Dec

Accounting period ends 31 Dec

FILE BY

31 Jan

How DigiSME files your GST

From registration to submission, we run the full cycle for every accounting period, you approve, we file.

1
Registration

We check your turnover against the S$1M threshold and handle compulsory or voluntary registration with IRAS.

2
Returns preparation

We compile output tax on sales and input tax on purchases into your quarterly Form F5.

3
Reconciliation

GST on every transaction is matched against your ledgers, and any mismatch is resolved before filing.

4
Submission & Filing

We submit the return to IRAS before the deadline and confirm the acknowledgement back to you.

Never miss a GST deadline again 

Our GST specialists help ensure accurate filings, timely submissions, and full compliance with IRAS requirements.