The competitive market of today is characterized by globalization, because of that organizations increased demands from customers on the services as well as on product. In other word, the customer is focusing on buying the service in same way as they buy products. For that the trust in relationships is considered as an important and effective factor when the business to business partners want to achieve growth profitability, and long term time. In order to reach high trust in relationships between customers and suppliers, ability to measure trust in relationships and to improve it is important. One to know how to be able to follow up the trust in the relationships between customers and suppliers, maintain and develop relationships for as long as possible in order to reach the company's goals. The first step in the project was data collection via an email survey and by direct contact with those companies by phone. Then the data was used to make an analysis by comports the results with pervious theories. The analysis enabled to identify the different types of factors which makes the trust in relationships more strong and stable .In the last chapters results are discussed and it was found that the each company has its own way to follow up the relationships to maintain the trust in relationships for longer  time to a achieve their goals and profit. The conclusions are each company have different way of measuring and regardless of which indicators are used for measuring the trust in relationships between the customer and service supplier, they must be  linked directly to the organization's  goals to maintain and  continuity relationships for as long as possible in order to reach the company's goals. The effective trust is important factor which lead to the partners feeling they belong to each other’s which the relationships between them  take a partner form which lead to long term time and profitable relationships and strong trust in relationships.