Sell on Happy Size

Give your brand visibility where plus-size fashion truly matters.

Why sell on HAPPY SIZE?

Happy Size is Europe’s leading marketplace dedicated exclusively to plus-size fashion. The platform stands for expertise, scale and a deep understanding of the needs of curvy women and men.

With over 35,000 products from more than 40 brands, Happy Size offers an unparalleled selection focused on fit, variety and modern style in larger sizes. Brands benefit from a clearly defined target group, strong reach and a trusted market position as the go-to destination for trend-conscious plus-size fashion.

Selling across five European markets – Germany, Switzerland, the Netherlands, France and Belgium – Happy Size combines local relevance with a centrally managed marketplace approach. A straightforward integration via Tradebyte, ambitious growth plans and targeted marketing measures create an environment in which brands can present their collections prominently and scale their business efficiently.

Together, we are shaping the future of plus-size fashion – because fashion knows no size.

Let’s Talk

Europe’s largest dedicated marketplace for plus-size fashion


Womenswear and menswear in sizes L–10XL, designed with a strong focus on fit


Highly relevant target group with clear positioning and strong brand loyalty


Selective brand portfolio with no Buy Box – fair visibility for every partner

How Tradebyte can help you sell on HAPPY SIZE

Maximise your sales potential on Happy Size by streamlining your operations. Tradebyte’s TB.One allows you to efficiently manage your product data, stock levels, pricing, and orders across Happy Size and other sales channels.

Instead of juggling multiple platforms, simply input your product information to TB.One once to distribute it to Happy Size and your other chosen retailers. This ensures accuracy and consistency, helping to prevent stock discrepancies and pricing errors.

We work with popular platforms like Shopify, Magento, BigCommerce, and WooCommerce, as well as custom solutions.

Let’s kick off your growth story

happy young man on laptop
happy young man on laptop

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