Inserting a symbol:
Select a cell for which you want to enter a symbol.
Here, we want to insert the © copyright symbol after the company name.
Select the Insert tab from the Ribbon and click the Symbol button. Then find your desired symbol and click on the Insert button.
The symbol will be entered at the same font size of the cell you are entering it into. You can edit the cell, select only the symbol and set a different font size.
The symbol at a smaller font size.