Calabasas-based BlackLine Systems, which develops software-as-a-service for balance sheet and account reconciliation, said Monday that the firm has been certified by SAP for integration with SAP applications. Blackline said its product helps to automate spreadsheet processes normally done outside of the SAP Business Suite software. As part of the certification, BlackLine said it has joined SAP's PartnerEdge program. BlackLine is headed by Therese Tucker.