We sure do! We want to make sure it's a great fit all around, so we offer a 1 week free trial. We've always had clients decide to move forward with us beyond the free trial but if for any reason it's not a good fit for you and you don't want to move forward past the free trial, there is no obligation and there would be no hard feelings!
In a nutshell, our free trial gives you a feel for how we work, our testing process, what our reports are like, how we communicate with clients, etc. Keep in mind that this is not a lot of time in terms of improving results or getting a high ROAS; ads are more of a slower process than that. It's typically best to expect months, not overnight, for full testing and improvements. But the free trial is really just to make sure we're a good fit all around.