Certified B corporations are defined as companies that meet the highest and most rigorous standards related to social and environmental performance, public transparency and legal accountability. They are certified by the non-profit organization - B Lab. More than 4,000 of them are now located across 74 countries and they are finding ways to make the world a better place. With this certification, companies are part of a large global community, they attract and hire new talent and employees, they are increasing credibility and trust with consumers and investors, they are improving their performance and they are long-term oriented towards protecting their mission. There is five key areas for fulfillment covered by the B Impact assessment: management (corporate responsibility, transparency, management metrics), employees (employee metrics, compensation, training, employee co-ownership, work environment), community (opening jobs, community impact, community engagement and participation, suppliers, distributors), environment (inputs, outputs, plants, supply chain) and consumers. The goal of this paper is to explore the indicators of social impact within 5 basic areas: governance, employees, community, environment and consumers. The topic is treated through the theoretical and empirical part. In the empirical part, indicators are analyzed and compared according to the size of the company. It is conclluded that the process of getting the B certificate is comprehensive and includes various aspects of the business that companies have to go through, and large companies are the ones that fulfill the largest part.