Using 'reputable' implies a positive opinion about someone's character or a company's business practices. He only does business with reputable suppliers.
Pro Tip 2/3
Quality Assurance
'Reputable' suggests that something or someone has a consistent history of being high in quality. She graduated from a reputable university.
Pro Tip 3/3
Not Newcomers
Often implies that the entity has been established for a period of time, not being new in the field. Our equipment comes from a reputable manufacturer with 30 years in the industry.