Even after looking at ADP and Paychex more closely it’s still very difficult to separate them. Ambitious companies will benefit from the impressive number of features that should satisfy them as they expand with HR, hiring, accounting, and time tracking all covered. Overall, ADP is the easiest software to use, especially for anyone using payroll for the first time, thanks to its simplistic design and helpful tutorials. For those looking for a cheaper option, Paychex offers a basic plan with only its payroll features – ideal for startups. No matter which payroll software you choose, you’ll end up an in-depth solution that will keep you covered from a company’s humble beginnings to every step beyond.