Costs are important part of nowadays business and life. In to production of some product we need to spend something. As we for the production spend materials and raw materials, we as well invest some work for production and later for promotion and marketing. This thesis is primarily about costs of doing business and trying to answer the questions: What kind of costs we can have? How it is generated? What is its ratio in overall production costs? Relationship between costs and total income illustrate successfulness of company. With lower costs company have greater possibilities for income and profit. In general total costs are depending of company dimensions and ways of doing business. Objective of this thesis is analysis and comparison of costs of two Breweries. One is Brewery Ličanka ltd. This Brewery is active more than 20 years with well-defined market share and with steady growth of capacities. Production is oriented on small number of well-known traditional kind of beers. From the other side there is Zmajska Brewery ltd as relatively new company specialized for production of craft beers. That Brewery has completely different assortment of products with larger number of craft beers produced for different market niches which need to be conquered by new innovative and fresh selection of beers. Results of analysis reveal some crucial differences and some similarities between those companies, which will be discussed and interpreted. Company headquarters are placed in different areas, and have different structure of, by number of employees, same staff. So from the cost structure some differences between two companies can be observed. As Brewery Ličanka ltd does not have any credit and every year achieves larger positive financial result, Zmajska Brewery ltd has quite large credit and in the same time expands and employs new professionals. Investing also in promotion of new products and work in cooperation with other micro brewers. This results in larger staff costs at Zmajska Brewery ltd than at Brewery Ličanka ltd which produces traditional already well developed and well known kind of beers and does not need to employ new professionals. Main differences between analysed companies can be explained by different structure of beer assortment where Zmajska Brewey ltd has quit large number of different craft beers, seasonal beers, beers developed in cooperation with other brewers in comparison to Brewery Ličanka ltd with only four different beers. Zmajska Brewery ltd use modern technology, new recipes which all influence on level of production costs. From cost analysis we also can get information on state of the company in general its position on market and also on directions of development which management would like to take in the future. Through analysis of chosen companies from one side we can see how traditional brewery works and from other side what can be achieved by using innovative new technologies, opening new markets and searching for specific market niches with new specific products as craft beers are. Also we can see how different companies using its specific strengths to sustain its position on market.