Systemics-PAB, a subsidiary of the Apave Group, is a leader in the comprehensive testing of the quality of services, security, and efficiency of telecommunications networks for operators, infrastructure suppliers, private network providers, and market regulators in Poland and worldwide. We analyse and provide information about the real quality of 2G-5G networks and the embedded services in terms of all technologies and latest devices. We also offer optimization services and monitoring solutions that are particularly appropriate for customers with multiple RAN equipment vendors. Moreover, we offer devices for testing Ethernet / Virtual / Cloud networks as well as professional testing of IT networks, applications, and cybersecurity. In our work, we are guided by business and environmental responsibility. Our continuing achievements being recognized with the award of Gold Medal in the EcoVadis Sustainability Rating 2023. Systemics-PAB was established in 1990 and is a member of the Agreement for the Strategy "5G for Poland" and actively participates in the work of the ETSI standardization organization. In July 2023, Systemics-PAB joined the Apave Group, an international group with more than 150 years of experience specialising in technical, human, environmental and digital risk management. Apave provides a full range of technical and professional services in the fields of inspection, professional training, certification and labelling, tests and measurements, and consulting and technical support.