Our Divisions

Founded in 1989, Abacus Staffing serves a wide array of clients and industries and employs over 20,000 employees annually. Our employees work in over 250 separate job titles for thousands of clients throughout the United States. Our team of staffing professionals continually attract, recruit, assess and validate hundreds of thousands of applicants annually to find the best qualified candidates for our clients.

Abacus Solutions Group (ASG) provides high-level, flexible staffing solutions for clients in a variety of industries nationwide in both the public and private sectors. Relying on the core principles of Abacus, ASG partners with clients in information technology, healthcare, finance, and other industries to identify select candidates to join your team.Using a specialized consultative process, the ASG team works hand in hand with you to complement your team.

Abacus Security Services is licensed professional security agency that serves diverse clients in the mid-Atlantic. Our leadership and management include seasoned professionals from law enforcement, public safety, military, and private security. Our clients include universities, private schools, commercial and retail operations as well as government sites.

Abacus Janitorial Services was our first offering – first formed in 1944. Coming from humble beginnings of cleaning and maintenance, we have learned the value of hard work and the importance of attention to detail. Though a much different company from our founding, Abacus Janitorial continues to be a leader in the commercial janitorial market.