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The aim of this thesis is to apply the lean management tools at Marketing department of the selected company, specifically at the proces of invoice approval and using this data check the hypothesis from stated sources. Theoretical part of this thesis contains the description of Lean management tools along with it's history and tools, followed by the description of the selected firm, where the lean projects done by the author of this thesis took place. Application part of this thesis contains the complete DMAIC cycle of the project dealing with analysis of invoice approval. Overall, the proces was shortened from 21 operations and 68 hours 11 minutes, to 12 operations and 50 hours 59 minutes a 40 seconds. Application part also comprises of analysis of excessive approval limit for invoices. Final part is dealing with application of the hypothesis on the concrete case of selected firm, meaning that implementation of Lean management will help improve the company financial indicators through NFMP. |
