Financial consultants with the Goetzman Group will assist clients in implementing accounting software from Blackline Systems following the strategic alliance of the two San Fernando Valley companies. The alliance lets Goetzman Group and Blackline Systems, both headquartered in Woodland Hills, help clients streamline and improve their accounting and finance functions, the companies said. Blackline develops software to automate financial processes, including balance sheet account reconciliation, journal entry and task management. Goetzman Group provides interim accounting and finance professionals. Goetzman clients include Los Angeles real estate services company CBRE Group Inc. and Decurion Corp., the Los Angeles parent of Pacific Theatres Entertainment and ArcLight Cinema Company. Blackline clients include AT&T, Northrop Grumman Corp., and Boeing Co, as well as companies headquartered overseas.