Download the list of Interior designers in Singapore. Smartscrapers provides an accurate directory and the latest data on the number of Interior designers in Singapore There are 1172 Interior designers in Singapore as of April 1, 2026; which is an 4.73% increase from 2023. Of these locations, 1131 Interior designers which is 96.50% of all Interior designers in Singapore are single-owner operations, while the remaining 41 which is 3.50% are part of larger brands. Average age of Interior designers in Singapore is 4 years and 5 months.