Making a company identity and web presence is very important today to make designing business successful. For this purpose, many organizations uses to hire graphics or web designers who uses to be responsible for making a corporate identity of that company. One of the most important facts is that once a corporate identity is made then you should not change it at any cost. For example, if you are using a logo for your company for a long time and want to change it then be sure of the fact that this logo is the prime presenter of the company. The new logo will take a long time again to make its image in market. Making a corporate identity should be done very carefully because once a bad identity is made then it could ruin the whole business in no time, so avoid making a non professional design your business identity. Hiring a professional web/graphic designer at least gives you the feeling that whatever design is but it is professional.
Thing you should always do before hiring a graphic designer or graphic designing company is that you should always check the professionalism of that designer or company. You can do this by taking a mock test, you can just tell them to make some design for you as test and if that passes your criteria then you can hire them.