E-invoicing built for Singapore

E-invoicing software for Singapore small businesses

Singapore is moving invoicing onto the InvoiceNow network, and small businesses need a simple way to send compliant e-invoices without a finance team. Tallium issues InvoiceNow-ready invoices, records every sale and expense in your books, and gets your GST F5 return ready — all in one system. No juggling spreadsheets, PDFs and separate accounting tools.

From $79/month per shop · billed monthly · no free trial

Key takeaways

  • InvoiceNow-ready e-invoices with your GST registration number and correct GST built in
  • Invoicing, accounting and GST tracking in one platform — no re-keying between tools
  • GST F5 totals organised automatically as you trade
  • Receipt scanning and bank reconciliation to keep every expense captured
InvoiceNow-ready e-invoices with your GST registration number and correct GST built in
Invoicing, accounting and GST tracking in one platform — no re-keying between tools
GST F5 totals organised automatically as you trade
Receipt scanning and bank reconciliation to keep every expense captured
Mobile app plus AI insights so you can run the numbers from anywhere
Shop plan at USD 79/month, billed monthly from signup, cancel anytime — no free trial

The daily headaches we remove

InvoiceNow feels confusing

InvoiceNow is Singapore's national e-invoicing network, and the jargon around Peppol, structured invoices and registration can be overwhelming when you just want to bill a customer and get paid.

Books and invoices live apart

When invoices sit in one tool and your accounts in another, you re-key numbers, miss payments and never quite trust your figures at month-end.

GST F5 is a scramble

Pulling together sales, purchases and GST amounts for the quarterly F5 return by hand is slow and error-prone, especially once you cross the S$1,000,000 turnover mark and must register.

No time for admin

As an owner you're serving customers, not doing paperwork. Chasing unpaid invoices and reconciling the bank by hand eats evenings you'd rather spend elsewhere.

How Tallium fixes it

Compliant e-invoices, made simple

Tallium creates structured, InvoiceNow-ready invoices with the details Singapore expects — your GST registration number, GST at the correct rate and clear line items — so you can send them with confidence.

One system, one set of numbers

Every invoice you send posts straight into your accounts. Sales, expenses and receipts all flow into the same books, so your figures stay accurate without double entry.

GST F5 prepared for you

Tallium tracks GST on sales and purchases as you go and organises the totals you need for the GST F5 return, turning a quarterly scramble into a quick review.

Get paid, chase less

Send invoices, track what's outstanding and see who owes you at a glance. Automatic reminders and bank reconciliation mean fewer late payments and less manual chasing.

The tools you'll use most

Frequently asked questions

Ready to run it all in one place?

Build your plan in a minute — pay only for the parts of your business you run. From $79/month per shop.

Get started

Questions? Email support@tallium.onlinetallium.online

Talk to us about your business

Tell us where you are today and we'll show you how Tallium fits. No pressure, no spam.

Message us on WhatsApp · +971 50 429 3637

We'll only use your details to contact you about Tallium.