Ceridian is by far the "Worst" company I have ever dealt with. They are coordinating COBRA services for a company my wife used to work with until the economy hit the skids. I mailed them a check on July 6th for the amount they billed to continue health insurance. Two days later I got another bill for a higher amount with absolutely no explanation for the increase. Finally, July 23rd, someone in my household tries to use our health insurance but is denied. I contacted Ceridian on the 24th and they tell me they have no record of... read full review »