An ESTA travel authorization establishes that you are eligible to travel to the US, but it does not guarantee admission.
Only a Customs and Border Protection officer at your port of entry into the US can grant final admission.
Our "Immigration Forum" is for sharing of general immigration related information and immigration updates.
In order to get a legal advice or answer to a case-specific question, a Telephone or Email consultation might be needed.
Business visas are usually granted without any issues, but there are occasions where some applications are refused by the Immigration Department. Paid fees are refundable if the visa application was not approved.