«SAPO» is the ERP system for facility management companies who deal with multitenant living houses. It allows to perform planning, monitoring, managing and accounting of all company`s resources including finances, staff, materials, technical documentation and so on. It has client-server modular design with more than 60 different modules. It uses Firebird SQL Server as a data storage. The application makes it possible to distinguish user`s access rights based on ACL. We designed the system as customizable solution out of the box. The installation process is fully automated. The application has a centralized license management server with administrative console. Also, SAPO provides sophisticated reports built on both in-house and 3rd party reporting components.