Yes, and on top of that, you want a payroll service brand to speak to its professionalism and reliability. Not edgy "hipness" (especially if you are failing hard at that aspect).
Look at all the things they can communicate through use of a meme. Using the success kid meme implies that the customer would get a feeling of awesome accomplishment and it is applicable to the topic.
I am a little biased because I also use memes in my product blog posts for this reason. I suspect that they subconsciously do the same.