Citibank Credit Card Complaint

Citibank Credit card department,

Transaction issue Ohio

I am contacting your agency because I need your help in disputing some charges done on my Mastercard At & t Universal credit card by some fraudulent companies. I have paid several companies thousands of dollars for various online business related and have found myself as a victim of a professionally orchestrated scam. After I paid - company my phone got inundated with calls from these companies offering me their services. I would like you to investigate a charge of $2500.00 done on my card by - charged twice on -/-/2015 and -/-/2015, total of $5000.00. They contacted me by an unsolicited phone call they promised me a banner, an ad placement, vip placement, 3 month ad placement, they would promote - website.They kept saying how important their services were and would bring traffic to my website. was their Supposedly leads and visitors to website. I never got any results of their work.I did not get any benefits from it. I never received any goods or services. I have been lied to and charged for services that have not been provided as promised. They have used false and misleading tactics and it is clear that they never intended to fulfill their end of the deal. I tried to resolve directly with them and get my refund but they ignored my requests.