Logistics and especially warehousing plays an important role in everyday work and is becoming one of the main factors of differentiation in the market. This is closely related to the calculation of logistics costs. The issue of personnel costs in logistics plays an important role at present time. The aim of logistics cost management is to reduce personnel costs and increase the competitiveness of logistics service providers. Finding effective methods in the process of calculating business personnel logistics costs is very difficult today, but it is a topical issue in the field of management of the logistics costs. A significant part of the logistic tasks are carried out by logistics service providers, these businesses play a key role in operating selected logistic industries more efficiently. The aim of this article is to assemble the calculation of personnel logistics costs of warehousing in a logistics service provider with regard management of logistics. The article is based on research of the world literature, in-depth interviews with senior managers, an analysis of internal data of the logistics service provider and a snapshot of the day. The article shows as a case study how to better calculate the personnel logistics costs in a selected logistics service provider.