Rack-Soft is an established developer and integrator of software products for the server market. The solutions delivered by 4PSA are used by ISP, hosting companies, and small business. 4PSA products simplify business processes, improve services, and maximize return on investment. The company offers a wide range of solutions, from hosting software to technical expertise and customized software solutions. 4PSA is working closely with service providers and developed in the past three years over forty server and Data Center administration solutions. The company’s success is based on excellence, innovation, and a strong desire to improve processes. 4PSA implements CMM (Capability Maturity Model) in order to maximize software reliability.