I know good specialists software development who designed a very cool logo for me.
At one time I was also looking for good professionals to create a logo, it was important to me that it would be implemented exactly as I see it.
They did a great job, I was really pleased with their work.
It is important that you at least roughly understand what it should look like, and then it will be up to them, they will tell you everything and help you decide everything.
And a nice bonus will be the fact that your brand will be more recognizable, and perhaps you will have as well as I had a lot more customers than it was before.