The all-in-one business solution for Singapore SMEs
Manage Like a Big Business With MUST Software
- Start with one solution (Accounting, Inventory, Payroll, CRM, POS or HRMS) & scale up as your business grows
- All modules are built for IRAS & InvoiceNow requirements & linked together on one database
- Affordable — yearly plans from S$480, with government grants covering a large share
Check your deadline
When is InvoiceNow mandatory for you?
Two answers. Ten seconds. Your date.
Indicative, based on IRAS' published wave schedule. The letter IRAS sends your business is authoritative — we verify it during the free check.
Built for the Peppol network
Watch an invoice travel the network
No PDFs, no re-typing. Your invoice leaves MUST as structured data, reaches your customer's software in seconds — and a copy reports itself to IRAS. That is the whole GST InvoiceNow Requirement, handled.
One platform · Six products
Manage, comply and grow from S$480/year
All modules are connected. Each works independently and gets better together, so your data flows automatically across your entire operation. Fully compliant with Singapore regulations. Most importantly, built to be affordable.
HRMS
Manage your workforce end to end: attendance with mobile clock-in, leave approvals, expense claims and HR records — with a mobile app your staff actually use, proven with thousands of daily active workers.
- Mobile attendance with GPS clock-in
- Leave application & approval workflows
- Expense claims with receipt capture
- Employee records & documents
- Manager dashboards & reports
Payroll
Pay your team accurately and on time. Itemised payslips, CPF calculations, IR8A year-end filing support and leave management — built for Singapore employment regulations from day one.
- Itemised payslips & bank GIRO files
- Automatic CPF, SDL & SHG calculations
- IR8A / IR21 year-end filing support
- Leave & claims management
- Employee self-service portal
Accounting
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.
- 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
Inventory
Track stock levels in real time, manage invoices, and handle purchases and sales across every channel and location. Includes built-in GST InvoiceNow, fully compliant with the latest IRAS e-invoicing requirements.
- Purchase & sales order management
- Real-time stock across locations
- Location, batch, expiry & matrix items
- Built-in GST InvoiceNow
- 200+ inventory reports
CRM
Turn quotations into invoices in two clicks. Pipelines, follow-ups, activity reminders and full customer history in one view — connected straight to your accounting and inventory.
- Sales pipeline & opportunity tracking
- Quotation to invoice in two clicks
- Activity reminders & follow-ups
- Full customer & pricing history
- Connected to AMS & IMS data
Point of Sale
A fast retail and F&B front-end that posts every sale straight into your accounts and stock. Works offline and syncs when you are back online — no lost transactions, no manual re-entry.
- Touch-friendly retail & F&B screens
- Works offline, syncs automatically
- Posts directly to accounting & inventory
- Promotions, discounts & member pricing
- Daily Z-report & shift management
Built for Singapore's rails
Compliance is wired in, not bolted on
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
Chart of accounts, customers, products and open balances migrated. Peppol registration done for you.
4 · Go live & support
Personalised training for your team, then local support on WhatsApp and email.
Simple yearly pricing
Every plan includes InvoiceNow e-invoicing, e-invoice format setup, training & onboarding, data backup, security updates and local technical support.
Starter
For micro businesses getting compliant
- Accounting & GST + Invoicing with InvoiceNow
- E-invoice format setup included
- Training & onboarding included
- Add-on users S$480 / user / year
Growth
For growing teams that run on one system
- Everything in Starter
- Inventory + CRM & Sales modules
- Priority local support
- Add-on users S$240 / user / year
Pro
For established SMEs with payroll and POS
- Everything in Growth
- Payroll + Point of Sale modules
- Dedicated onboarding consultant
- Add-on users S$190 / user / year
Your wave is coming. Your grants won't wait.
A 15-minute call tells you your mandatory date, what the Government will pay for, and what it takes to get compliant — no obligation.