Quick Answer
For sellers focused on UK and EU consumers, a UK company remains the practical base despite VAT complexity and post-Brexit customs friction. For everyone else, Singapore is simpler: GST registration only starts at S$1 million of turnover, exports are zero-rated so international sales carry 0% GST, corporate tax starts at an effective 4.25%, and the company sits at the centre of Southeast Asia's US$185 billion e-commerce market.
The Question Sellers Actually Face
E-commerce is the business model where incorporation location and market location separate completely. A Shopify brand incorporated anywhere can sell everywhere. So the real question is narrower than it looks: which base minimises the tax and admin load for the specific corridors you sell into, and which one positions you for where you want to grow.
That framing matters because consumption taxes, VAT and GST, follow the customer, not the company. Incorporating in Singapore does not remove UK VAT on UK sales, and incorporating in the UK does not remove EU VAT on EU sales. What the base determines is your corporate tax on margins, your default compliance load, and your logistics gravity.
The UK VAT Reality for Sellers
|
Rule |
What it means for a seller |
|
Standard rate |
20% on most consumer goods |
|
Registration threshold, UK-established business |
£90,000 of taxable turnover |
|
Registration threshold, overseas seller with UK stock |
Zero. Registration required from the first sale |
|
Marketplace sales by overseas sellers |
The marketplace (Amazon, eBay) is the deemed supplier and collects the VAT, for imported consignments up to £135 and for any-value goods held in UK stock |
|
Direct (Shopify) sales by overseas sellers |
The seller charges and remits UK VAT itself |
|
Filing |
Making Tax Digital software filing is the only method |
Two traps sit inside this table. First, the famous £90,000 threshold does not apply to non-established sellers: an overseas brand putting a single pallet into a UK fulfilment centre must register immediately.
Second, the deemed-supplier rules ease collection but not compliance, since the seller still registers, still reports deemed sales, and still handles import VAT and an EORI number for customs.
The regime is also still moving. In June 2026, HMRC opened a consultation on extending marketplace VAT liability to UK-established sellers as well, with the consultation closing in August 2026. Whatever the outcome, marketplace VAT mechanics in the UK will keep changing, and sellers will keep adapting.
Post-Brexit: The EU Is No Longer Included
The historical case for a UK e-commerce base was that it covered Europe. Since 2021, it does not:
- Every UK-to-EU parcel is an export crossing a customs border, with declarations and potential duties where rules of origin are not met
- EU consumer sales require EU VAT handling: the Import One-Stop Shop for consignments up to €150, or EU VAT registrations where goods are fulfilled from EU warehouses
- Selling at scale into the EU in practice means EU-based inventory, which means an EU entity or fiscal representation, an EU 3PL and EU VAT compliance on top of the UK stack
- A UK company selling to both markets therefore runs 2 parallel consumption tax regimes and a customs border through the middle of its supply chain
The UK remains an excellent base for selling to the UK, one of the world's largest e-commerce markets on its own. It stopped being a base for selling to Europe. That work now requires European infrastructure regardless of where the parent company sits.
Singapore's GST: Built for Export Sellers
|
Rule |
What it means for a seller |
|
Standard rate |
9% |
|
Registration threshold |
S$1 million of taxable turnover in 12 months, roughly S$83,000 per month |
|
Exports |
Zero-rated: goods shipped to customers outside Singapore carry 0% GST, with shipping documentation to support it |
|
Sales into Singapore by foreign sellers |
Overseas Vendor Registration applies only above S$100,000 of Singapore B2C sales plus S$1 million global turnover |
|
Filing |
Quarterly GST returns once registered |
The structural point: a Singapore-incorporated D2C brand selling to customers in the US, Australia, the Gulf and across Asia charges 0% GST on every one of those orders, because they are all exports.
Its only standard-rated sales are the ones to Singapore's own 6 million residents. Many internationally focused Singapore sellers register for GST anyway, since registration lets them reclaim input GST on local costs while their output GST on exports stays at zero.
Compare the default positions. A new UK-based brand crosses into VAT at £90,000 and from then on hands HMRC 20% of every domestic sale. A new Singapore-based brand selling internationally can scale well past that revenue level with a consumption tax bill of zero and one quarterly filing.
Corporate Tax on Thin Margins
E-commerce runs on single-digit net margins, which makes the corporate rate a real line item:
|
Profit level |
Singapore (first 3 years) |
United Kingdom |
|
First S$100,000 (~£59,000) |
4.25% |
19% |
|
S$100,000 to S$200,000 |
8.5% |
19% then 26.5% marginal above £50,000 |
|
At S$340,000 (~£200,000) |
~10.75% effective |
~24.6% effective |
For a brand netting £150,000 a year, the difference is roughly £25,000 annually staying in the business, enough to fund inventory for the next quarter. Add Singapore's tax-free dividends and zero capital gains on an eventual brand sale, and the ownership economics compound in the same direction.
Logistics and Market Access
|
Factor |
Singapore |
United Kingdom |
|
Home market |
Small but affluent: the region's highest average order values |
One of the world's largest e-commerce markets |
|
Regional market |
Southeast Asia: US$185 billion e-commerce GMV in 2025, 680 million people, growing ~15% a year |
EU access now requires separate customs, VAT and fulfilment infrastructure |
|
Dominant platforms |
Shopee and Lazada are headquartered in Singapore; TikTok Shop runs its regional operations from here |
Amazon UK, eBay, dominant domestic marketplace infrastructure |
|
Logistics position |
World-class port and air cargo hub, standard base for regional fulfilment networks |
Strong domestic logistics; cross-border flows carry customs friction |
|
Trade agreements |
ASEAN, RCEP, CPTPP and a wide FTA network |
CPTPP member since December 2024, plus its own FTA programme |
Fair note on trade deals: the UK joined CPTPP in December 2024, so both jurisdictions now sit inside the Pacific trade bloc on paper. Geography still decides what that is worth.
A Singapore base puts a brand next to the platforms, 3PLs and suppliers serving the fastest-growing e-commerce region in the world; a UK base puts it next to a large, mature, single-country market with a customs border on 3 sides.
The Honest Matrix
Base in the UK when:
- The UK itself is your primary market and you hold UK stock anyway
- Your brand depends on UK consumer trust signals, UK returns handling and domestic delivery speed
- You are UK-resident and can manage HMRC and Companies House directly
Base in Singapore when:
- You sell globally or into Asia-Pacific, where exports at 0% GST and low corporate tax fit the model
- You source from Asian suppliers and want the company, banking and logistics in the same time zone as the supply chain
- You plan to expand into Southeast Asian marketplaces, where the platforms and their seller programmes are headquartered
- You want the eventual sale of the brand taxed at zero
Either way, know this: the consumption tax follows the customer. A Singapore company holding Amazon FBA stock in the UK still registers for UK VAT from its first sale, with the marketplace collecting on B2C orders. A UK company selling into Singapore at scale registers under the Overseas Vendor rules. Incorporation chooses your corporate tax and your default admin load; it never deletes the tax rules of the markets you ship into.
How Savvy Platform Sets Up E-Commerce Sellers
E-commerce companies generate exactly the compliance profile Savvy Platform's stack is built around: high transaction counts, multi-currency flows and cross-border payments.
Savvy Platform provides:
- Company incorporation through SavvyStart
- Local nominee director, so the company runs remotely
- Company secretary and registered address
- Accounting plans priced by transaction volume and turnover, matched to marketplace sales patterns
- Banking setup support, including non-bank payment institutions suited to e-commerce businesses with high volumes of smaller transactions
- GST registration and quarterly filing when the business reaches the threshold or opts in
- Employment Pass assistance if the founder relocates to run regional operations
Conclusion
The UK gives e-commerce brands a big home market wrapped in a 20% VAT regime with a zero threshold for overseas sellers, and a customs border where its European reach used to be. Singapore gives them a 9% GST that touches almost nothing an export brand sells, corporate tax from 4.25%, and a seat inside the region where e-commerce is growing fastest. Sellers built on UK and EU consumers should base where their customers are.
Sellers built for global or Asian demand keep more margin and less admin in Singapore, and Savvy Platform stands the whole structure up through SavvyStart.
FAQ
Does a foreign e-commerce seller need to register for UK VAT?
Yes, in most cases, and with no threshold. An overseas seller holding stock in the UK must register from its first sale. Marketplaces collect the VAT on B2C orders as deemed suppliers, but the registration, reporting and import obligations stay with the seller.
What is Singapore's GST registration threshold?
S$1 million of taxable turnover in a 12-month period. Zero-rated export sales count toward the threshold but carry 0% GST, so an export-focused brand can be registered while collecting GST only on its Singapore-domestic sales.
Are international sales from Singapore really GST-free?
Yes. Goods shipped to customers outside Singapore are zero-rated exports, charged at 0%, provided export documentation supports each shipment. Registered sellers also reclaim input GST on their local costs.
Can a UK company still sell easily into the EU?
Not the way it could before 2021. UK-to-EU orders cross a customs border, and selling at scale typically requires EU VAT arrangements and EU-based fulfilment, effectively a second compliance stack alongside the UK one.
Does incorporating in Singapore remove UK or EU VAT obligations?
No. Consumption taxes follow the customer. A Singapore company with UK FBA stock registers for UK VAT; one selling heavily into the EU handles EU VAT. What Singapore changes is the corporate tax on margins and the default compliance load.
Why does Singapore matter for Southeast Asian e-commerce?
The region's e-commerce market reached roughly US$185 billion in GMV in 2025 across 680 million people, and its dominant platforms, Shopee and Lazada, are headquartered in Singapore, with TikTok Shop running regional operations from there. Sellers expanding into the region base companies, banking and fulfilment coordination in Singapore.
How is corporate tax different for a profitable brand?
A new Singapore company pays an effective 4.25% on its first S$100,000 of profit and 8.5% on the next S$100,000 for 3 years. A UK company pays 19% up to £50,000 and an effective 26.5% on each pound between £50,000 and £250,000.
How does Savvy Platform support e-commerce companies?
Savvy Platform incorporates the company through SavvyStart, provides the nominee director, secretary and registered address, runs accounting priced by transaction volume, supports banking including payment institutions suited to high-volume sellers, and handles GST registration and filing when needed.
Main sources
- HMRC VAT Registration Manual, overseas sellers and online marketplaces (VATREG37210): https://gov.uk/hmrc-internal-manuals/vat-registration-manual/vatreg37210
- Protax, VAT for online sellers in the UK 2026 (thresholds and deemed supplier mechanics): https://www.protax.org.uk/articles/vat-online-sellers-amazon-shopify-etsy-2026/
- Osborne Clarke, UK consultation on extending marketplace VAT liability (June 2026): https://www.osborneclarke.com/insights/uk-government-consults-extending-vat-liability-rules-online-marketplaces
- VJM Global, Singapore GST compliance guide 2026 (rate, threshold, zero-rated exports): https://www.vjmglobal.com/feeds/blog/singapore-sales-tax-rate
- Google, Temasek and Bain, e-Conomy SEA 2025 report (regional e-commerce GMV): https://www.temasek.com.sg/en/news-and-resources/news-room/news/2025/e-conomy-sea-2025-report-aseans-digital-economy-poised-to-surpass-300-billion