Company Description Abacus Group is an award-winning executive search firm specializing in the permanent, temporary, and temp-to-perm placement of Accounting & Finance, Public Accounting, Administrative Support, Compliance, Human Resources, Marketing & Communications, and Information Technology professionals across all industries. Company Description Abacus Group is an award-winning executive search firm specializing in the permanent, temporary, and temp-to-perm placement of Accounting & Finance, Public Accounting, Administrative Support, Compliance, Human Resources, Marketing & Communications, and Information Technology professionals across all industries.