HSM Aero

HSM Aero Limited is a UK-based aerospace and defense manufacturing company, part of the SA Group, which provides aviation support services globally. Established on June 11, 2003, and headquartered in Letchworth Garden City, Hertfordshire, the company changed its name from Hermitage Sheet Metal Limited in November 2015. HSM Aero specializes in precision machining, offering comprehensive solutions for aerospace and defense clients. Their services include product design support, value engineering, and quality-driven manufacturing, adhering to AS9100 Rev D and ISO 9001 standards. The company emphasizes sustainability and growth through rigorous quality controls and close collaboration with customers to meet industry benchmarks. HSM Aero serves clients across the UK, Europe, and global markets, focusing on the defense and aerospace sectors.