Estimated Chargeable Income (ECI) Filing for Singapore Companies: A Complete 2026 Guide

Estimated Chargeable Income — universally abbreviated to ECI — is one of the most misunderstood tax obligations for Singapore companies. Many directors know they need to file a tax return by 30 November each year, but are unaware that a separate, earlier filing is required: the ECI, due within three months of the financial year-end. [...]

Transfer Pricing in Singapore: IRAS Rules, Documentation and the Arm’s Length Principle (2026)

If your Singapore company has transactions with related parties — parent companies, subsidiaries, associated entities, or even directors who are also shareholders — you are operating in transfer pricing territory. Transfer pricing is not just a concern for multinationals. Any Singapore company that charges, receives, or shares costs with a related party must ensure those [...]

GST on Imported Services in Singapore: What Businesses Paying Google, Zoom and Facebook Must Know (2026)

Every month, thousands of Singapore businesses pay overseas technology companies — Google, Meta (Facebook), Zoom, LinkedIn, Dropbox, Adobe, and countless others — for digital services. Most of these businesses never stop to consider whether GST applies to these payments. In many cases, it does. Under Singapore's reverse charge mechanism, introduced from 1 January 2020 and [...]

IRAS Tax Investigation in Singapore: What Every Director Must Know (2026)

An IRAS tax investigation is one of the most stressful events a Singapore business can face. Unlike a routine audit or query, a tax investigation signals that IRAS has reason to suspect wilful omission, fraud, or deliberate understatement of income. The consequences — financial penalties of up to four times the tax undercharged, prosecution, and [...]

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