3) Liberal taxation regime: Singapore has the second lowest corporate tax rate in entire Asia. However, what really attracts offshore companies to Singapore is the territorial system of taxation followed in the country whereby any foreign sourced income is completely tax free as long as that income has not been deemed remitted to Singapore. This opens up the possibility of zero tax liabilities irrespective of the amount of revenue for the offshore company. Apart from this there are a number of other tax incentives available in Singapore as well that lowers the tax liability of a company.
Convincing business plan should essentially elaborate on these points. A general checklist will help you get started; for the final shape of the plan, focus on specific business and industry requirements. It will give you a plan that is ready to take on the challenges and problems upfront.