Signal Cert Ltd. manages certification and testing of rail traffic control devices by:

• Signal Cert Certifying Body - certifies devices for rail traffic, which are part of the structural subsystem of "control", track-side and on-board devices. Signal Cert Certifying Body works in accordance with the requirements of the PN-EN ISO/IEC 17065 standard.
• Testing Laboratory for Rail Transport Control Systems and Equipment - conducts research of rail traffic control devices for certifying body, as well as for external customers, which aims to obtain approval for the exploitation. The activity of the laboratory is carried out in accordance with the requirements of the PN-EN ISO/IEC 17025 standard.