My company used Cardservice International for many years, then they changed to First Data and everything started to go south. We had a high risk account, but always kept our chargebacks to a minimum over the years and had a track record to prove it. Literally, out of the blue, we were overwhelmed by chargebacks, and were able to provide First Data the proper signed slips and everything they needed to ensure the sales were legitimate. We still lost the sales. To add insult to injury, shortly after, they canceled our account, due to... read full review »