Paychex flex is the gate way to uplift your business . Anytime we login to paychex we can enjoy anything that is stored for us through online . They are many people or companies who are looking for online platform to help and upgrade their business and investment . Today , paychex is here to make peoples business to upgrade from zero to something big . The first thing to do is for you to have an account with them by signing and login to their website or use of their app.