You will need to get the proper permits that include liquor licensing. You should also read up on the laws regarding alcohol sales as well as what type of insurance you will need.
The first and most important thing is you need to secure a license to serve liquor. In general, it is often difficult to get a new license to serve liquor, so most new bars purchase their license from someone else, often in conjunction with the sale of a bar.
You must qualify for a liquor license. Be familiar with all rules on the sale of alcohol and have procedures in place to make sure you meet legal requirements. Have proper security to keep minors out.
You will need a liquor license, which you cannot get if you've had prior DUI convictions or felonies. You will need to calculate out your prices and get a plan.
A good bar serves liquor. You may need a liquor license before starting a bar. The location of the bar is important. Select it wisely. Try to get best staff.