American Business Etiquette in the United States operates in a climate in which business is conducted at the speed of light. The US is one of the largest economies of the world, so it’s business practices are generally very well respected. It involves being efficient, quick and presentable. Some examples of common business etiquette in America include: keeping at least an arm's length distance when conversing.
The key is to retain eye contact and remember to say, please, thank you, and excuse me regularly. Treat everyone with respect. It is key that you are able to demonstrate that you have the ability to communicate effectively.
There are some unwritten rules also known as business etiquette that are being followed in America. Take note that the rules may vary depending on the organization that you are working for but these are main things to remember: dress for business. It is true that some organizations do not require business attire anymore but you still have to be presentable at all times.
You also need to shake hands firmly with people that you meet and look at them in the eye to show your sincerity. You need to address the people that you meet with appropriate titles such as sir, ma’am, or miss. You are also expected to provide a thank-you note if you are given help by someone. There are still many unwritten rules that you can familiarize yourself with the business.