How important is trust in establishing long-term business relationship? It is very important to establish long term business relationships. These are the relations ships that you will have for a long time. And these relationships help grow your business. Having long term business relationships are extremely important for many reasons. Like said before they help business thrive. But they also help the other person, and they probably also have a business that they are trying to run and be successful at. So These are very very important. They not only help financially, but they also allow for people to make friends and influence people. Establishing also sets up other people for recommendations and such. Establishing relationships helps with trust as well. With this trusts, costs can be cut, and people can save their money.