Manufacturing Today Issue - 235 Apr 2025 | Page 55

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Sigma

Strength through integrity

A leading manufacturer of precision engineered aerospace products, Sigma supplies parts and services to civil and military aircraft platforms

Sigma is a leading supplier of engineered aerospace products, primarily metallic pipes, tubes, ducts and fabricated parts. The company employs 475 people across four locations in the UK and China, and its customers include many well-known Tier 1 companies as well as OEMs in the aerospace industry. Sigma’ s business is focused on commercial aerospace, supporting most of the major Airbus and Boeing commercial aircraft platforms. Founded in 2004, initial operations focused on China but have since expanded into the UK through several add-on acquisitions.

“ The business makes about 40,000 machined parts and fabricates around 30,000 pipes per month,” Richard Bower, CEO, begins.“ Our products are primarily fabricated from stainless steel, Inconel, titanium and
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