SIL4 SYSTEMSDiscover all the ways we can help your company on the way to safety assured systems.
Safety System Design
Reliability, Availability, Maintainability and Safety (RAMS) Consulting Services.
Lab Testing
EN50155 testing lab for any and all testing you may need.
Retrofit System Design
Retrofit of Obsolete Applications and Hardware. For when your system outlives your subsystem.
Staffing Management
From general project managment to technical and engineering management.
Quality and System Assurance
Providing rigorous quality control, verification, and system-level assurance processes
Software & Hardware Design Services
Quality engineering services from highly qualified personnel
We've collaborated with industry leaders to implement and validate our solutions in real-world environments. Below are some of the companies who have trusted us to deliver results.









At SIL4 Systems, we assist with the difficult, time consuming and costly tasks required to delivery safety critical products to the market. We have over 30 years of experience in designing and delivering demanding safety critical systems that acceptably manage risks and comply with more pervasive safety standards.