HMStore by HappyMarket is an online retailer serving homeowners, DIY enthusiasts, businesses, tradespeople and installers across Italy and the European Union. Its catalogue brings together practical products for home improvement, maintenance and everyday needs, with departments covering bathroom fittings, plumbing, cleaning, hardware, climate and heating, gardens and pools, wood and fireplaces, and car and motorcycle care. Shoppers can find items such as shower accessories, taps, pipes and fittings, detergents, sealants, tools, irrigation supplies and vehicle-care products, alongside selected Pokémon cards and boxes through the HMCARDS section.

The store supports customers in choosing compatible products by providing product details and variants, and its team can help check a replacement part using a photo or product code. HMStore also serves professional buyers, including businesses and installers, with guidance on measurements, materials, compatibility and bulk quantities. Orders can be placed online with cards, PayPal and other checkout options. The retailer offers returns within 30 days subject to its terms, customer assistance Monday to Saturday, and free shipping in Italy on orders over €49.01, subject to conditions.