The Swedish Tax Office, Skatteverket, aims at providing a good service to its customers in order to favor compliance to taxes. The Tax Audit process of businesses plays a key role in this as Skatteverket and the taxpayer interact directly within this process. The focus of this thesis is to apply Lean philosophy to improve the Tax Audit process. Eliminating non value-adding steps, developing visual management tools and implementing a continuous improvement mindset are the tools used to achieve it. This Thesis states the observations of the current situation and develops three projects led by Lean. First one is a customer portal, an online platform which gathers all relevant information about the Audit. Second is the time reduction of an administrative process and last one consists in the improvement of the Pulsemeeting.

The main goal of this diploma thesis is to investigate the possibilities of the usage of Kanban system within a banking environment. To achieve this goal, the history, advantages, disadvantages and main areas of its usage are analyzed and described. Another goal of this thesis is to define the suitable terminology for Czech environment and to inspect the extent to which the concept of Kanban is compatible with the existing approaches and methodologies to project management. The market analysis of available software tools to support the concept of Kanban is performed (criteria definition, evaluation and final comparision). Based on all the previously described outputs a methodology to implement Kanban in banking environment is designed.This methodology is then used in the final chapter of the thesis -- the case study from an international bank, providing middle management with a step by step guide to successfuly implement Kanban system.