Safety-relevant systems such as signal technology form the basis of modern railway operations. The independent inspection of the technology is an important part of the safety certification for systems and components, which are to go into circulation. The challenges presented to operators by modern rail systems are being increasingly complex. Signal, telecommunications, control and safety systems are closely linked with one another. To flourish on the market, it is necessary to implement the high levels of safety, performance, quality and interoperability requirements as cost-efficiently as possible. We are your partner for reliability, safety and efficiency.