Preparation of electronic invoicing, preparation and records of accounting causations, (cash receipts, accounting notes, proof of expenditure, purchase and sale invoices) bank reconciliations, balance delivery, preparation and settlement of national and district taxes, payroll settlement contracts, social security liquidation.

- Accounting and causation of purchase invoices, expenses, presentation of taxes such as withholding at source, VAT, ICA and Exogenous Withholding, inventories and issuance of electronic invoices.