Over the past few years, small mid-sized pharmaceutical companies and contract sales organizations (CSOS) have developed a strong symbiotic relationship. Small and mid-sized pharmaceutical companies have provided work for CSOs, and CSOs have repaid the companies by improving their performance.

Due to this, many companies, especially small- and mid-sized companies, have partnered with CSOs. Over the past few years, CSOs have become "the trend" for small- and mid-sized pharma companies, as their performance varied depending on whether they used CSOs.

Also, CSOs have expanded their role by specializing in sales for specific products or regions. They have been praised for improving cost-eff