GST Compliance | Singapore
GST filing software. One return, drafted from your books.
Form F5 drafted from the ledger your team already posts to. Input tax tagged at the bill, blocked items flagged before they cost you the claim. Reverse charge on imported services handled at capture. Filed to IRAS without leaving your books.
Trusted by finance teams
F5 Return
Your F5 return, drafted from the books.
Standard-rated, zero-rated and exempt supplies, plus input tax claimed, all drafted from the ledger the rest of your finance team already posts to. Boxes tie back to the invoices behind them, so a reviewer can drill from any figure to its source before anything is submitted.
Input Tax Claims
Input tax tagged at the bill, not at quarter end.
Every bill line is tagged claimable or blocked when it is captured, not reconstructed three months later. Blocked categories are flagged at entry, so the claim you file is the claim you can defend.
Reverse Charge
Reverse charge on imported services, handled at capture.
Imported services are identified when the bill lands, the reverse charge is computed, and both the output and input sides post to the right boxes on the F5. No quarter-end sweep to find what you missed.
IRAS Integration
Filed to IRAS from inside OneFinOps.
Submission and status without portal switching. The response posts back against the period, so the filing, the evidence and the books stay on one record.
Filing Calendar
Every filing, mapped to an entity and an owner.
GST, ACRA and payroll obligations tracked per entity with a named owner and reminders. For groups running Singapore alongside other countries, one calendar covers the lot.
Zero-Rating and Place of Supply
Zero-rating decided at invoice creation.
Whether a supply is zero-rated turns on where your customer belongs and where the goods go. That gets decided when the invoice is raised, with the supporting evidence attached, rather than argued about during a review.
Overseas Vendor Registration
Digital supplies to Singapore customers, tracked.
If you sell digital services into Singapore, the registration question turns on your supply volumes. Those are tracked against the books so the answer is a number you can see, not an estimate.
GST Audit Evidence Pack
Every filed return ships with its evidence.
Source invoices, the input tax workpaper, the reviewer sign-off and the submission response, packaged per period. A query about a return from two years ago is answered from one pack.
Buyer FAQ
What teams ask before they switch.
We run Singapore as the holding company for the region. Does that work here?
That is the case we are built for. Entities in different countries keep their own currency, tax rules and filing calendar, and consolidate onto one set of group books. The Singapore entity files its own GST while you see the group position on the same record.
Our GST is straightforward. What are we actually buying?
Probably not the GST return. Singapore GST is simple enough that filing it is rarely the pain. The pain is usually the work either side of it: chasing overdue invoices, matching supplier bills, and closing the books. GST falls out of that work rather than being a project of its own.
Can we claim input tax we are currently missing?
Sometimes, though we would rather set expectations honestly than quote you a percentage. What the system reliably prevents is the reverse: claims that should not have been made. Blocked items are flagged when the bill is captured, so the position you file is one you can support if it is reviewed.
How does reverse charge on imported services get picked up?
At capture. When a bill from an overseas supplier is entered, the reverse charge is computed and both sides post to the correct boxes on the F5. It is not a quarter-end reconstruction of what you might have imported.
What about InvoiceNow?
Supported as a peer to the rest of the platform, on the PEPPOL network. Sending and receiving run off the same invoice record that drives your books and your F5, so an invoice does not have to exist in two systems.
Can we migrate from Xero or QuickBooks?
Yes. Onboarding covers migration with historical data, masters, opening balances and in-flight invoices and bills. A dedicated implementation lead runs the cutover.
See your next F5 drafted from your books.
Connect your books, free. The return drafts from what you have already posted, with every box traceable to the invoices behind it.
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