at kArton Gallery at Alkotmány utca you can alway find contemporary hungarian art to buy
Möbelkunst / open every Sunday between 10am-4pm
Franco & Stefano - Kitchen and Living room furnitures designed and produced by Hungarians in Hungary
REKREDENC - Small table with Matyo Style Mosaic, see more on their facebook Page
Kieselbach Gallery for Hungarian Art
ECSERI FLEE-MARKET Okay, this is not excatly interior design, but if you are decorating your place in Budapest you can surely find good stuff here.
Geppetto Interior Design Office - if you need a team of young professionals to design your home in Budapest
The website of the Designer Couple who created Bajcsy, VLF and Csokonai Hip Homes