I had engaged thian boon, aka boon jie after reading positive reviews about the quality of their work. However, right after contract was signed, they started to disappear on us. We would call both father and son a few times each day, for up to one week, before they finally agreed to meet us at their office. After choosing whatever we wanted, the tiles, color and materials for kitchen etc, THE FATHER PROMISED US THAT WORK WILL MOVE VERY FAST AFTER WE CHOSE THE MATERIALS., and told us we can move in mid-oct 14. However the work schedule became unbearably slow. Most times when we went down in the day to check on the progress, there was only 1 worker there or no one there at all (11am weekday). Promises made were not kept, and in spite of us making ourselves available to their schedule to meet up, they did not turn up and made us wait a whole evening while I called frantically for a few hours with calls going unanswered and unreturned. After almost 2 mths, our flat is still at the post-hacking stage with some tiles in and plastering done. the kitchen and toilets are empty shells and flooring (he say the supplier delay shipment) not done. Their quote were not even the cheapest one we got, but still we decided to use them because we thought their quality would be better. But everyday since then we have regretted our decision..