1. A computer system for administration of payroll-related insurance transactions, comprising: a system access device configured to authenticate a user from a client device; a data access device configured to, responsive to a request from the authenticated user via the client device, access from an insurance company database stored in a data storage device payroll-related insurance data of an employer associated with the authenticated user, said data including cost data at an employee level, occupation codes associated with employees and geographic location data associated with the employees; a processing device configured to identify, based on the accessed employee data, employees lacking an associated occupation classification code, employees lacking an associated geographic location; and a presentation device configured to furnish, for display on a client device: insurance cost data at an employee level; an occupation code form listing each of the employees identified as lacking an associated occupation classification code and a user prompt for an occupation classification code, and for receiving classification codes from the user; and a fillable form prompting the user to provide payroll data, the payroll data including employee geographic data, occupation classification, gross amount paid and data relating to an officer and owner status associated with one or more of the employees; to receive classification codes and payroll data from the client device, and to furnish received classification codes and payroll data to the processing device; wherein the processing device is further for furnishing received payroll data and classification codes to the insurance company database.