Possible Clues:

• Big name in do-it-yourself furniture
• Seller of Bjursta tables and Bertil chairs
• Self-assembly retail chain
• Retailer with blue-and-yellow megastores
• Flat-pack furniture store
• Furniture store that sells meatballs
• Seller of Billy bookcases
• Home furnishings chain
• DIY furniture store
• Home decor giant