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SimpleERP for Singapore

Simple ERP for small businesses in Singapore

Invoices with GST worked out, stock, books, payroll and your team in one login, set up for Singapore from the first screen.

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In short

SimpleERP is simple ERP software for small businesses in Singapore. Choose Singapore at sign-up and it sets up GST, your GST reg. number, SGD, a January financial year and local payroll components.

Illustration of tax invoice INV-2026-0213 to Northside Retail with GST 9% and the amount in words.

What you get on day one

Pick Singapore when you create the business. Everything below is seeded for you and editable in Settings.

  • GST rates seeded. GST 9%, GST 0% (zero-rated) and Exempt, with GST 9% as the default.
  • Tax Invoice with your GST reg. number. The GST reg. number is checked for format when you enter it and printed on every invoice.
  • SGD amounts, DD/MM/YYYY dates. A total prints as S$1,250,000.00, in words as dollars and cents.
  • A January to December financial year. Numbering runs per year: the first invoice is INV-2026-0001.
  • Payroll components ready. Basic salary, Allowances, Bonus, CPF (employee, citizens & PRs), Self-help group fund, Other deductions, CPF (employer, citizens & PRs) and Skills Development Levy.
  • Phones with +65. Customer, supplier and employee numbers take the +65 format; you and your team sign in with your email.

GST

GST on every line, worked out as you type

Each product carries its GST rate. Pick the customer, type the item, press Enter: GST, totals and the amount in words fill in as you go.

  • Output and input GST posted to their own accounts
  • A tax summary by rate for whoever files your returns
  • Credit notes reverse the tax with the sale

Illustration of the keyboard-first invoice editor with a focused line, live tax totals and shortcut hints.

GST in Singapore

GST in Singapore: what you need to know

The rules the product is set up around, in plain words. Your accountant confirms what applies to you. Sources: IRAS: Do I need to register for GST, IRAS: Invoicing customers, IRAS: GST InvoiceNow requirement, CPF Board: contribution rates.

  • Rate. GST is 9% on most goods and services. Exports and international services are zero-rated; financial services and the sale or lease of residential property are exempt.
  • Registration. Registration is compulsory once your taxable turnover passes S$1 million in a calendar year, or when you expect it to in the next 12 months. Below that you may register voluntarily.
  • Tax invoices. Only a GST-registered business may issue a tax invoice. It shows the words "Tax Invoice", your name, address and GST registration number, an invoice number and date, the customer's name and address, a description of what you supplied and the GST rate and amount. SimpleERP prints "Tax Invoice" once you are registered and "Invoice" before that.
  • Returns. GST returns (GST F5) are usually filed every quarter, within one month after the quarter ends.
  • InvoiceNow. IRAS is phasing in the GST InvoiceNow requirement: new voluntary registrants from 1 April 2026, new compulsory registrants and existing businesses with supplies up to S$200,000 from 1 April 2028, then larger businesses in steps until 1 April 2031.

Price

Priced in SGD

Every module is free for 7 days with no card. Premium is then S$65 per user per month, the fixed equivalent of USD 50, counted on the people who sign in.

Books

Books that keep themselves

Every invoice, bill and payment posts its own journal in SGD. Profit and loss, the balance sheet and the GST summary are ready any day of the January to December year.

Payroll

Payroll set up for Singapore

Salary components for Singapore are seeded when you create the business. Runs build each payslip from the structure and post salary expense and payables when you approve.

  • Basic salary, Allowances, Bonus and CPF (employee, citizens & PRs) ready to use
  • CPF seeded at 20% (employee) and 17% (employer), the rates for employees aged 55 and below earning more than S$750 a month; older employees have lower rates
  • The Ordinary Wage ceiling is S$8,000 a month from 2026: set a fixed CPF amount for anyone earning more
  • Skills Development Levy and self-help group fund lines ready for the amounts you pay
  • Attendance and leave feed paid days
  • Payslips in employee self-service

Illustration of a payslip with Basic salary, Allowances, Bonus and net pay of S$4,059.

Honest limits

Honest limits

  • Filing GST returns or submitting e-invoices to a government system
  • Statutory payroll tax tables: you enter the deduction amounts
  • Prices that include tax: product prices are entered before tax
  • Invoices in a second currency: one currency per business
  • Sending invoices to IRAS through InvoiceNow (Peppol)
  • CPF rates by age band and the wage ceilings: you adjust them per employee

Getting started

Start in three steps

  1. Sign up

    Your name, your email and a password. No card.

  2. Tell us about the business

    Business name and your GST reg. number if you are registered.

  3. Send your first invoice

    Add a customer and a product, then bill. The invoice is ready to print or share.

FAQ

Questions, answered

Do I need to be registered for GST to use SimpleERP?

No. Setup asks whether you are registered. GST registration is compulsory once your taxable turnover passes S$1 million in a calendar year, or is expected to in the next 12 months. Below that you may register voluntarily. If that changes, switch it in Settings; your GST reg. number prints on every invoice once you add it.

What does a SimpleERP tax invoice show?

Your business name and address, your GST reg. number, the customer, a number from a sequence that never repeats, the date, each line with its GST rate, the tax by rate and the amount in words. Your accountant can confirm what your business must show.

How much does SimpleERP cost in Singapore?

Every module is free for 7 days with no card. After that Premium is S$65 per user per month (S$780 per user per year), the fixed equivalent of USD 50, counted on the people who sign in. See pricing.

Does SimpleERP file my GST returns?

No. It keeps the records and gives you a tax summary by rate and the sales and purchase registers, all exportable to CSV, for whoever files your returns.

Can I send invoices through InvoiceNow from SimpleERP?

Not yet. SimpleERP prints and shares PDF invoices but is not an InvoiceNow (Peppol) access point. If the GST InvoiceNow requirement applies to you, you need a solution that transmits invoice data to IRAS.

Does SimpleERP work out CPF by age band?

No. It seeds the rates for employees aged 55 and below. For older employees, or pay above the wage ceiling, change the CPF lines on that employee's salary structure.

Where is my data stored?

In a PostgreSQL database on the hosted service, where row-level security keeps each business to its own rows. Ask us where the service is hosted and how it is backed up, and export your reports to CSV whenever you like.

Related

Run your business in Singapore from one simple place.

Seven days free. No card. Then S$65 per user per month.

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