Sole proprietor company will involve many personal purpose expenses. You should classify and calculate how many percentage for personal purpose. Likely, the quarter rental and meals will involve many personal purpose, and the portion of personal purpose should be added back in Profits Tax Computation. I will say about 50% to be personal purpose.
Compared to the limited company, the limited company is a separated legal entity. This form of business will not involve many personal purpose expenses, so the quarter and meals will be able to treat as expenses. Still, if there are any personal purpose expenses, this should be added back also.