If your company is doing any processing of personal data on a regular basis, the answer is yes. The same goes if you process sensitive personal data. Generally, the more complex your data processing activities are, the more likely it is you need a DPO.
However, we advise you to hire a DPO even if not required. It will certainly pay off, since they provide invaluable expert advice. Find out more on whether you need a DPO here.