Running an E-Commerce Business in Singapore: Tax & Compliance Guide (2026)

Singapore's e-commerce sector continues to grow rapidly, driven by high smartphone penetration, strong logistics infrastructure, and a digitally savvy population. Whether you are selling physical goods, digital products, or services online — as a sole trader, a private limited company, or through a marketplace platform — there are important tax, GST, and compliance obligations that [...]

GST Registration Singapore 2026: When You Must Register & How

GST — Goods and Services Tax — is a broad-based consumption tax levied at 9% on most goods and services supplied in Singapore. If your business is registered for GST, you charge it on your sales (output tax), claim it back on your business purchases (input tax), and pay the net amount to the Inland [...]

Named Auditors Under CALA 2025: What Singapore Companies and Their Boards Need to Know

From 6 May 2026, every audit report issued for a Singapore company that is required to have a statutory audit must now bear the name of the individual public accountant personally responsible for the engagement. This change, introduced by the Corporate and Accounting Laws (Amendment) Act 2025 (CALA 2025), represents a significant shift in audit [...]

Withholding Tax in Singapore: When It Applies & How to Comply

Withholding tax (WHT) is one of the most commonly overlooked compliance obligations for Singapore companies that make payments to non-resident individuals or entities. When a Singapore company pays certain types of income — such as interest, royalties, service fees, or rental for movable property — to a non-resident recipient, the company is required to withhold [...]

Transfer Pricing in Singapore: Documentation, Arm’s Length Principle & IRAS Compliance (2026)

Transfer pricing is one of the most scrutinised areas of international tax compliance in Singapore. As Singapore-based companies transact with related parties — whether parent companies, subsidiaries, or associated entities — across borders, the prices and terms of those transactions must reflect what independent parties would agree to. This is the arm's length principle, and [...]

GST Return Filing in Singapore: Step-by-Step Workflow, Supporting Documents & Common Mistakes Checklist

If your company is registered for Goods and Services Tax (GST) in Singapore, filing your GST return accurately and on time is a non-negotiable compliance obligation. The GST F5 return — submitted quarterly for most businesses — is how you report your output tax (GST collected on sales) and input tax (GST paid on purchases) [...]

GST Return Filing in Singapore: Step-by-Step Workflow, Supporting Documents & Checklist (2026)

If your business is registered for Goods and Services Tax (GST) in Singapore, filing your GST return on time and accurately is one of your most important compliance obligations. Yet it is also one of the most commonly mishandled — with errors in input tax claims, missed deadlines, and incorrect treatment of supply types being [...]

GST Return Filing Singapore 2026: Step-by-Step Workflow, Documents & Checklist

If your Singapore company is registered for Goods and Services Tax (GST), filing your GST return accurately and on time is one of the most important compliance obligations you face. Yet it is also one of the areas where mistakes are most common — and most costly. The Inland Revenue Authority of Singapore (IRAS) audits [...]

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