Roy is a sole trader if he is not setting up a company instead starts a business.
A business is the process of selling goods or services and earning revenue and profits through it, the business generates revenue which is deducted by the expenses incurred by the business. The business ensures the strategy to have a balance between these expenses and revenue so that there is some residue profit.
The sole trader is the business where the owner of the business is highly involved in day to day running of the business taking all the strategic decisions and responsible for all the debts of the business.
On the other hand a limited liability company is a business in which the owner of the company can be involved in day to day running of the operations but is not liable personally for the debts.
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