Inovative solutions backed by industry expertise

4-SOL is a leading provider of OSS solutions. Our extensive solution portfolio and Industry expertise enables service providers and network operator to fully leverage their product portfolio.

Based on standardized solutions and real-world experience we offer affordable solutions delivered in short timescales that will meet your OSS requirements and provide a fast return on your investment. 

  • Full EMEA coverage with headquarters in Switzerland
  • Extensive Industry Experience
  • Strong Partnerships with equipment providers, integrators and development partners.
  • Company founded in 2003.



Contact us to arrange an appointment, gain access to a demonstration or receive our latest product collateral. We pride ourselves on being able to understand your requirements in a very short time.Real-world experience deploying successful pragmatic solutions for large and small operator