Kärkkäinen is a Finnish department store and online retailer offering a broad selection of more than 400,000 products through Karkkainen.com and its physical stores. Its range serves everyday needs across home and interior, clothing, garden, sports, electronics, gaming, toys, and children’s products. Shoppers can find items such as home appliances, lighting, tools, bicycles, outdoor equipment, phones, computers, and games, alongside seasonal goods and special offers. The website features category browsing, campaign deals, outlet products, and a promotional catalogue to help customers discover current products and discounts.

Kärkkäinen also provides services beyond retail shopping. Customers can visit its stores, purchase gift cards, and access support information about delivery, payment, and returns. Business customers can join a dedicated business customer service and shop from the extensive product range. The company additionally offers automotive servicing and spare parts for vehicles of all makes, with service appointments available at local branches. Kärkkäinen also invites marketplace sellers to join its online marketplace, extending the selection available to customers.