Grainger & Worrall
Provides advanced sand casting solutions using 3D sand printing for rapid prototyping and production of complex aluminium castings, primarily for automotive and aerospace industries.
- CEO / Founder
- Duncan Eldridge
- Team Size
- 501-1000
- Stage
- Established
- Total Funding
- $1.5M
- Latest Round
- Grant
Technology & Products
Key Products
Aluminium sand casting services; 3D sand printing (S-Print HHS); Precision machining; Gigacasting solutions; Tooling and engineering services
Technological Advantage
Proprietary use of High Heat Strength (HHS) binder technology in 3D sand printing for iron and steel castings, enabling faster mold production and complex designs.
Differentiation
Value Proposition
Reduces prototyping lead times by up to 70% through 3D sand printing, enabling faster iteration and validation of complex castings for lightweight, high-performance components.
How They Differentiate
Offers integrated 3D sand printing with traditional casting, reducing lead times by 70% compared to conventional methods, and serves high-end automotive and aerospace clients with precision components.
Market & Competition
Target Customers
Automotive OEMs, motorsport teams, aerospace manufacturers, marine propulsion companies
Industry Verticals
Automotive; Aerospace; Motorsport; Marine; Defence; Energy; Industrial
Competitors
Work Technology; BSP Engineering Services; Castings Technology International
Growth & Milestones
Growth Metrics
Historically sales >£40m with >50% export (US, China, India, Europe); headcount ~450–525 (LinkedIn company size 501–1,000); H1 2026: >£30m new orders in defence, energy and aerospace; £1m investment programme and recruitment of ~30 manufacturing/maintenance/quality staff; recent refinancing for working capital and growth.
Major Milestones
Founded in 1946; Invested £500k in 3D sand printer in 2013; Awarded £1.2m grant for aerospace development; Named Business of the Year in 2015; MBO and Evolution Castings Group formed Jun 2023; Duncan Eldridge appointed CEO Jan 2024; King’s Award for Enterprise in Innovation 2025 (prototype gigacastings); H1 2026 secured >£30m defence/energy/aerospace orders with £1m investment and ~30 new hires planned
Notable Customers
Aston Martin; Bentley; Bugatti; Porsche; Gibson Technology; Cox Powertrain