Post-Brexit UK VAT vs. Singapore's GST: A Tale of Two Systems
Published: | Category: International E-commerce, Tax Compliance
Executive Summary: While both the UK and Singapore have value-added tax systems, their approaches—especially regarding imported goods—diverge significantly. Understanding these differences is crucial for e-commerce businesses navigating international sales in a post-Brexit landscape.
The global e-commerce boom has forced governments worldwide to adapt their tax systems to capture revenue from cross-border online sales. The United Kingdom and Singapore represent two contrasting approaches to this challenge, each with distinct implications for online sellers.
In this comprehensive guide, we'll explore the current UK VAT rules for imports post-Brexit and contrast them with Singapore's streamlined GST system, highlighting what e-commerce businesses need to know to stay compliant.
🇬🇧 Post-Brexit UK VAT: A New Landscape
Since leaving the EU, the UK has implemented significant changes to its VAT system, particularly for imported goods. These changes aim to level the playing field between UK and overseas businesses while capturing tax revenue from the growing volume of low-value imports.
The End of Low-Value Consignment Relief
One of the most significant changes came on January 1, 2021, when the UK abolished the Low-Value Consignment Relief (LVCR) for goods valued at £15 or less. Previously, this relief meant most small parcels from outside the EU entered the UK VAT-free.
Important Change
As of January 1, 2021, all commercial goods imported into the UK are now subject to VAT, regardless of their value.
Current UK VAT Rules for Imports
| Goods Value | VAT Treatment | Key Requirements |
|---|---|---|
| £135 or less | VAT collected at point of sale | Online marketplace (OMP) responsible if involved; otherwise seller charges VAT |
| Over £135 | VAT payable upon importation | Standard import VAT rules apply; can use postponed VAT accounting |
Understanding the OMP Rules
The UK rules place significant responsibility on Online Marketplaces (OMPs) like Amazon, eBay, and Etsy. When an OMP facilitates the sale of goods imported to the UK valued at £135 or less, the OMP is deemed the supplier and must account for UK VAT.
UK VAT Key Points
- Standard VAT rate: 20% (reduced rates for certain goods)
- No de minimis threshold for VAT on imports
- IOSS (Import One-Stop Shop) can be used for goods under £135
- Postponed VAT accounting available for imports over £135
🇸🇬 Singapore's GST: Simplicity and Adaptation
Singapore's Goods and Services Tax (GST) has long been praised for its simplicity and low rate. However, with the growth of e-commerce, Singapore is implementing changes to ensure its tax system remains relevant.
Current GST System
Singapore's GST is a straightforward value-added tax with these key characteristics:
- Rate: 9% (increased from 8% on January 1, 2025)
- Registration threshold: S$1 million annual taxable turnover
- Imported goods: Generally GST-free with some exceptions
Upcoming Changes: GST on Imported Low-Value Goods
GST extended to imported low-value goods (LVG) sold via air or post to final consumers in Singapore
GST rate increased to 9%, applying to all taxable supplies including imported low-value goods and imported non-digital services
The new rules require overseas sellers, electronic marketplace operators, and redeliverers to charge and account for GST on:
- Low-value goods (LVG) valued at S$400 or less
- Non-digital services imported by consumers in Singapore
Singapore GST Key Points
- GST rate: 9% (as of January 1, 2025)
- Overseas Vendor Registration (OVR) regime for remote sellers
- Simplified payment scheme for low-value goods
- Digital payment transmitters also included in new rules
Comparative Analysis: UK VAT vs. Singapore GST
| Aspect | United Kingdom (VAT) | Singapore (GST) |
|---|---|---|
| Standard Rate | 20% | 9% |
| Import Threshold | No threshold - all goods taxable | S$400 for low-value goods |
| Collection Point | Point of sale for goods ≤ £135 | Point of sale for low-value goods |
| Online Marketplace Role | Deemed supplier for goods ≤ £135 | Responsible for collecting GST |
| Registration Threshold | £85,000 (UK distance selling) | S$1 million (global turnover) |
| Special Schemes | IOSS, Postponed VAT Accounting | OVR, Simplified Pay-only Scheme |
Practical Implications for E-commerce Businesses
For Sellers to the UK:
- Register for UK VAT if your sales exceed £85,000 annually
- Use IOSS for goods valued at £135 or less to simplify compliance
- Understand when you're responsible for VAT vs. when the OMP is responsible
- Consider using postponed VAT accounting for higher-value goods to manage cash flow
For Sellers to Singapore:
- Register for GST under the OVR regime if your annual taxable turnover exceeds S$1 million
- Charge 9% GST on all taxable supplies to Singapore customers, including low-value goods
- File GST returns electronically on a quarterly basis
- Consider the simplified pay-only scheme if eligible
Conclusion: Two Systems, One Goal
While the UK and Singapore have taken different paths, both are adapting their tax systems to the reality of global e-commerce. The UK's approach is more comprehensive with no de minimis threshold, reflecting its need to replace EU revenue streams post-Brexit. Singapore maintains a more measured approach with higher thresholds but is steadily expanding its GST net.
For e-commerce businesses, the key takeaway is that the era of tax-free cross-border e-commerce is ending globally. Proactive compliance—understanding registration requirements, implementing correct tax collection mechanisms, and maintaining proper documentation—is no longer optional but essential for sustainable international growth.
As both systems continue to evolve, staying informed about regulatory changes in your target markets will be crucial for maintaining compliance and competitive advantage.

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