No, you do not necessarily need an accountant to pay capital gains tax. However, an accountant may be helpful in certain situations, especially if you have complex financial circumstances or are unsure about how to calculate your capital gains tax liability.
An accountant can help you determine your tax obligations, complete and file your tax returns, and ensure that you are following all the relevant tax laws and regulations. Additionally, an accountant may be able to help you minimize your tax liability by finding deductions and other tax-saving strategies. Ultimately, whether or not you need an accountant will depend on your individual circumstances and level of financial expertise.