Shein's UK division grew revenue 26% to £2.58bn last year, surpassing Asos's £2.47bn global sales figure. The comparison is even more lopsided than it looks: Shein's number covers UK-only sales, while Asos's includes all markets. A company that didn't exist in British retail a decade ago now outsells the country's largest homegrown online fashion brand on its own turf. The engine behind this growth is not a mystery. Shein's model ships individual parcels of cheap clothing directly from Chinese factories to UK doorsteps, pricing each order below the £135 de minimis threshold that exempts goods from customs duty. This is not a loophole exploited at the margins — it is the architecture of the entire business. Every parcel is structured to avoid the import taxes that UK-based competitors pay as a matter of course. The regulatory walls are closing in, but slowly. The US scrapped its $800 de minimis exemption last year. The EU began phasing out its €150 relief in July, replacing it with a flat €3 duty. Former UK chancellor Rachel Reeves pledged to eliminate the UK's exemption — by 2028. Major UK retail bosses have publicly demanded faster action, and Shein's latest numbers will amplify that pressure. Shein's profitability is modest relative to its scale: £45.2m in pre-tax profit on £2.58bn in revenue is a 1.75% margin, with £11.2m paid in current tax. The company employs just 113 people in the UK, mostly in sales and marketing. The value created in Britain is overwhelmingly consumption, not employment or production. The gap between what Shein extracts from UK consumer spending and what it contributes to the UK economy in jobs, tax, and supply-chain investment is the core tension. Shein's global trajectory tells a parallel story of value compression. A company once valued at $100bn in a 2022 fundraising round listed on the Hong Kong exchange at roughly $26bn — a 74% haircut driven largely by regulatory risk across multiple jurisdictions. Last week, group quarterly profits fell 67% to £173m, blamed on higher oil prices and freight costs linked to the Iran conflict. The model's exposure to shipping costs and geopolitical disruption is structural, not incidental. The company has begun hedging by manufacturing in Turkey and Brazil, and it moved its headquarters to Singapore in 2022. Forced-labour concerns have prompted tighter supplier policies and audits. But the fundamental economic logic remains: produce cheaply in jurisdictions with lower labour costs, ship below duty thresholds, and undercut domestic competitors who bear the full burden of local regulation, taxation, and employment. The question for UK policymakers is not whether this model is legal — it is — but whether a regulatory framework designed for individual gifts and small parcels should continue to subsidize a $26bn multinational's core distribution strategy. Every year the de minimis rule survives, the competitive advantage compounds and the domestic retail base erodes further.