A specialist manufacturer of complex precision cast components for aerospace engines and industrial gas turbines, supporting leading OEM programs.

Across nearly 250 years of operation, Doncasters has built deep, irreplicable technical know-how, a proven track record with leading customers, and a strategically invested global manufacturing footprint.

Our strengths create high barriers to entry and reinforce our position in complex, performance-critical markets.

Founded in 1778 by Daniel Doncaster in Sheffield, UK, the business was built on a reputation for metallurgical expertise, craftsmanship, and reliability. That heritage continues to underpin Doncasters today, as we focus on advanced manufacturing and the investment casting of high-performance superalloys for demanding aerospace and industrial applications.

Doncasters has undergone a significant period of transformation in recent years, investing more than $170 million in capital expenditures to expand capacity, increase productivity, modernise assets, reduce scrap rates, and materially improve quality and on-time delivery performance.

This operational improvement has driven strong margin expansion, increasing adjusted EBITDA margins from mid-single digits to today’s significantly higher levels.

Doncasters employs over 3,000 highly skilled professionals across 14 state-of-the-art facilities in six countries.

This combination of heritage, investment, and execution positions Doncasters for sustainable growth while continuing to meet the exacting standards of our global customer base.

$170m

Invested since 2020

385

Highly skilled engineering and operations professionals

14

State-of-the-art facilities in six countries

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