Guides
Practical guides to Singapore payroll, GST, CPF and compliance — written for business owners, not accountants.
Singapore SME compliance calendar 2026 — every payroll & tax deadline
Every recurring Singapore employer deadline in one place — CPF, SDL, IR8A/AIS, GST F5, InvoiceNow — with the dates, who it applies to, and links to how to file each one.
Skills Development Levy (SDL) in Singapore — rate, calculation, deadline
SDL is 0.25% of each employee’s monthly wages — minimum S$2, maximum S$11.25 — payable by every employer, for every employee, alongside CPF.
CPF contribution rates 2026 (Singapore employer guide)
The full 2026 CPF table by age, the new S$8,000 Ordinary Wage ceiling, senior-worker rate increases, deadlines and penalties — verified against CPF Board.
How to file GST F5 in Singapore (2026 guide)
The GST F5 return and payment are due one month after your accounting period ends. The eight boxes, the myTax Portal steps, penalties, and the InvoiceNow change — verified against IRAS.
How to submit IR8A in Singapore (AIS guide, YA 2026)
IR8A is due 1 March 2026 for income earned in 2025. Who must file, how AIS works, the IR8S change, and the step-by-step — with penalties and deadlines.
InvoiceNow deadline checker — find your mandatory date
Select your GST registration status and instantly see your mandatory InvoiceNow date, phase, and next steps.
How to get a Peppol ID in Singapore — registration guide
Step-by-step guide to registering for a Peppol ID through an IMDA-accredited Access Point. What it is, how to register, costs, and timeline.
InvoiceNow transition grant — S$1,000 for Singapore SMEs
Up to S$1,000 through the Productivity Solutions Grant to offset InvoiceNow onboarding costs. Eligibility, how to apply, and what it covers.
InvoiceNow for new companies in Singapore
Starting a business in Singapore? If you register for GST voluntarily from 1 April 2026, InvoiceNow is mandatory from Day 1. What to set up before you begin invoicing.
How to choose an InvoiceNow-Ready Solution in Singapore
IMDA accredits the solutions that connect you to InvoiceNow, and many are free for SMEs until March 2031. Here is how the options differ and what to check before you commit.
GST InvoiceNow: when is your mandatory date?
IRAS is notifying GST-registered businesses of their InvoiceNow deadlines through 2026. Here are the phases, how to find your date, and what you need in place.