ChugachTax Service

I have signed a contract with the stated business to get assistance filing my Taxes back in 2012 for the 2011 Tax year. Errors were made on accident by them which costs me several thousands of dollars to the ***. I have tried contacting the *** and her with no success to my financial issues. She told me to stop contacting her through any means of communication or she would get me for harrassment. I do have screenshots of signed contract and communications. I have not got income tax back for several years and still owe the *** due to the mistakes made and not corrected on her part. Please help... Thanks and have a Blessed day