Dress Alteration Recommendations

Hi everyone! I have my wedding coming up very soon and I need my potential white wedding dress altered. Sadly when I ordered it online I was promised it would fit me based on my measurements but when I received it, it was wayyyy too small for me. I did get my money back for it but I still would like to wear it but I need it altered to make it bigger and fit me properly. It is a more complicated fix due to how the dress looks and the type of dress so I would like a professional to work on it to some how salvage it and make it work so I can wear it on my wedding day. Does anyone have good recommendations on an alterations place here on island to go to? And do they have good turn around time cause I need it in a couple of weeks cause my wedding is off island. Any recommendations would be great! I want someone experienced in wedding dress alterations please!