Sentinel Gas Systems

Sentinel Gas Systems, established in 2014, designs, manufactures, and installs compressed gas systems from its facility in Coventry. The company specialises in ultra-high-purity (UHP) systems for critical applications. For the semiconductor ecosystem, it provides services essential for maintaining cleanroom and fabrication environments, including the supply of UHP gas distribution systems, advanced orbital welding for joint integrity, and mass spectrometer helium leak testing to ensure systems are leak-free. Sentinel also operates an in-house ISO 6 cleanroom for precision fabrication, catering specifically to the semiconductor, pharmaceutical, and research sectors. It offers a full lifecycle service, from design to installation and maintenance, across the UK and EU. The company is an independent private entity.

Primary capability: Process Chemicals. Supply-chain role: Equipment Supplier, Installation Services, Test & Measurement, Maintenance & Repair.

• Semiconductors
• Pharmaceuticals
• Research

Coventry. Part of the Midlands cluster.

Last verified: 2026-09-29

• https://www.sentinel-gas.com/
• https://www.sentinel-gas.com/about