Can one person or a company own all the company shares? How many shareholders must a company have?

Yes, the Singapore Companies Act allows for a minimum of one individual or corporate shareholder. A Singapore Company may be registered with only one shareholder who can be an individual or a corporation.

Suggested Readings

Is the shareholder the employee of the company? What are the requirements for shareholders of a subsidiary company? What is the minimum par value of each share? What is a transferee?