A commercial assistant provides administrative support for the operations of a business. As a commercial assistant, you perform numerous duties in the office, including monitoring production, communicating with sales and marketing departments, and providing customer service. The qualifications for this job include a high school diploma or GED certificate and some postsecondary training in business administration. Previous work experience in customer service or retail may be helpful. Other useful skills for the career include strong communication and organizational skills and the ability to follow directions.