Tallium adds GST automatically on every sale and builds your IRAS return summary as you trade.
See plansGST in Singapore, in plain English
Singapore charges 9% GST filed as the GST F5 with IRAS, with InvoiceNow e-invoicing.
Registration threshold: S$1,000,000 taxable turnover (past or expected next 12 months). Returns are filed as the GST F5 return, and Singapore uses InvoiceNow (Peppol-based, with IRAS). This tool is for quick estimates — always confirm the exact rate and treatment of your supplies with Inland Revenue Authority of Singapore (IRAS) or a qualified local tax professional.
Questions
Stop calculating GST by hand
Tallium tags GST on every sale as you trade. See how it works for your kind of business in Singapore:
Singapore
Retail shopsSingapore
Restaurants and cafésSingapore
Online storesSingapore
Accounting & POS software for grocery stores in SingaporeSingapore
The Best Accounting Software in Singapore: An Honest Buyer's GuideSingapore
The best POS system in Singapore: an honest 2026 buyer's guideSingapore
E-invoicing software for Singapore small businessesSingapore
Accounting software for clothing shops in Singapore