Digital Accounting in your hands The SCI application has three layers, serving accountants, accounting firm customers and their employees. With the SCI APP, the accounting entrepreneur, a client of SCI, can view reports, taxes, contracts, documents, track his accounting firm's tasks, manage the services of each of his clients and make requests to SCI. Accounting firm customers also have a wealth of information available, such as reports, payment slips, contracts, documents, CNDs, and governme