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.

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.