The global fashion supply chain is undergoing a transformation no brand can afford to ignore. H&M’s recently released supplier data offers a rare, data-rich window into how one of the world’s largest apparel companies is adapting — and the insights carry significant weight for the swimwear industry. Spanning nearly 800 apparel factories across 23 countries, the Swedish giant’s sourcing map reflects the pressures of geopolitics, tariffs, and environmental mandates reshaping procurement strategies worldwide.
China’s Enduring Role in a Diversifying World
Despite widespread narratives about reducing reliance on China, H&M’s numbers tell a more nuanced story. China remains its largest sourcing base, accounting for 29.5% of the supplier network with more than 230 factories. What distinguishes Chinese facilities, however, is scale: 76% employ fewer than 500 workers. These leaner operations excel at flexible, lower-volume orders with greater product variety — a stark contrast to Bangladesh, where 40% of contracted factories house over 4,000 workers and prioritize high-volume runs.
For swimwear brands and buyers, this distinction is critical. Swimwear collections demand diverse silhouettes, specialized construction, and seasonal refresh cycles that reward agility. China’s ecosystem — with its capacity for low minimum order quantities and rapid turnarounds — remains uniquely suited to these demands. From an OEM swimwear manufacturing perspective, flexibility is not a luxury; it is a competitive necessity in a business climate defined by uncertainty.
Regional Specialization and the Swimwear Opportunity
H&M’s data also illustrates how different regions are carving out specialized roles. Turkey anchors jersey and knitwear production, India dominates denim, and Indonesia — with 26 factories — handles a meaningful share of the company’s underwear and swimwear output. This regional specialization reflects a broader pattern wholesale swimwear buyers should monitor: Southeast Asian nations, particularly Indonesia and Vietnam, are strengthening their positions as swimwear production hubs, supported by growing expertise in synthetic fabric handling, seam-sealing technologies, and competitive labor costs.
Notably, the data challenges the idea that brands are simply decoupling from China. Chinese manufacturers are increasingly establishing factories in neighboring countries — from Vietnam to Egypt — extending China’s influence through investment and technical know-how rather than direct exports alone.
Sustainability as a Supplier Standard
Perhaps most telling is how deeply sustainability certifications have become embedded in H&M’s supplier network. Nearly half of its factories hold Recycled Claim Standard certification, with substantial percentages meeting Global Recycled Standard and Organic Content Standard requirements. For the swimwear sector, where recycled nylon and polyester are rapidly shifting from differentiators to baseline expectations, this signals where the bar is being set. Suppliers investing in sustainable swimwear production — from certified recycled fabrics to water-efficient dyeing — are positioning themselves for enduring brand partnerships. Tellingly, nearly 40% of H&M’s apparel factories have worked with the company for over a decade, underscoring that leading brands view suppliers as strategic resources rather than interchangeable vendors.
The data confirms what many in the industry have sensed: the old playbook of chasing the lowest-cost production destination is giving way to a far more sophisticated calculus. Brands are weighing flexibility against scale, sustainability against speed, and diversification against the unmatched versatility of mature manufacturing ecosystems. For swimwear brands and the manufacturers that serve them, the path forward belongs to those offering agility, certified sustainability, and genuine partnership — not just competitive pricing.