Paid-up capital is essentially the portion of share that the company has issued and received payment for in full. A Singapore company can be registered with a minimum paid up capital of S$1 (or its equivalent in any currency).
The paid-up capital of the company can be utilized towards the company’s business expense without reserve. However, it is best to note that a higher paid-up would add credibility to your company, especially when dealing with stakeholders and the ministries, although most companies in Singapore incorporate with a nominal value. Furthermore, there is no requirement that the fund should be secured in the company bank account for any specific period.