ACCOUNTING MANAGEMENT SYSTEM

MUST AMS

Run your books the way an enterprise does: full double-entry ledger, bank reconciliation, multi-currency and GST F5-ready reports. Built-in GST InvoiceNow keeps you fully compliant with the latest IRAS e-invoicing requirements.

Start Free Trial  →See Pricing
MUST
Revenue↑ 15%
S$ 450,200
GST collected
S$ 12,500
Overdue3 inv
S$ 8,750
Recent invoices
INV-0231Acme CorpS$ 5,000.00Paid
INV-0232Globex Pte LtdS$ 3,500.00Pending
INV-0233Delta ServicesS$ 7,200.00Overdue
INV-0234Nova TradingS$ 1,850.00Paid
✓GST F5 draft ready · e-invoices via InvoiceNow
MUST AMS badge

What MUST AMS does for you

Full double-entry accounting with GST InvoiceNow built in.

General ledger, AR / AP & bank reconciliation
GST F5-ready reports for IRAS filing
Built-in GST InvoiceNow over the Peppol network
Multi-currency & recurring journals
200+ financial reports
Enterprise-grade foundationsEncrypted in transitDaily backupsPDPA-alignedRole-based accessFull audit trailMulti-entity ready

Better together with the rest of MUST

Every MUST product shares one database — customers, products and tax data flow automatically betweenHRMS, Payroll, Inventory, CRM, Point of Sale without double entry.

MUST HRMSMUST PayrollMUST IMSMUST CRMMUST POS

Live and compliant in four steps

A fixed onboarding path, not an open-ended IT project.

  • 1 · Readiness check

    A free 15-minute call: your mandate date, current software, and grant eligibility.

  • 2 · Grant paperwork

    We prepare the application pack for the schemes you qualify for. You review and submit.

  • 3 · Setup & migration

    Your data migrated and Peppol registration done for you.

  • 4 · Go live & support

    Personalised training for your team, then local support on WhatsApp and email.

Try MUST AMS free

A 15-minute call tells you your mandatory InvoiceNow date, what the Government will pay for, and howMUST AMS fits your business — no obligation.

Get your free readiness check