Don't sweat it. Many small businesses won't have a dedicated HR department. This isn't a problem as there's no legal requirement to have one. But, you will need to educate yourself about HR functions or have someone else in your team be in charge.
If you find that managing HR is taking up too much of your time, use software to automate mundane but time-consuming tasks. Or, consider hiring extra help or investing in HR outsourcing. If that sounds like a good fit, read our article on the benefits of outsourcing HR, including key strategies and other considerations, for more details.