Business Accounting Systems, P.C., is a South Jersey Public Accounting Firm located in West Deptford, New Jersey that has been providing excellence in servicing the accounting, payroll, and tax needs of independently owned small businesses throughout the Tri-State area. Our firm is licensed by the New Jersey State Board of Accountancy and was founded in 1971 by Leon A. Elwell, P.A., E.A. and continues to be operated today by L. Scott Elwell, VP. OUR SERVICES Since 1971, the experienced professionals at BAS have been helping small businesses in the South Jersey and Tri-State areas, with a range of affordable services. We offer our clients a rare combination of complete accounting services, detailed automated payroll, tax planning and tax preparation, as well as unlimited business advice and consultations.