The budget you actually look forward to setting for a project has been deemed of great importance. The best companies would ensure the project would stick to an assigned budget. It would be pertinent to mention here that the architects in Singapore could also assist you in sourcing the materials along with specialist contractors for a relatively lower amount.
The architects would usually have a wide network of companies that they would be using for projects. They would also have adequate knowledge on who would be the best person or company to work with on a specific project for a reasonable price.