Overview
Leoni is a global supplier of electrical wiring systems and cables for the automotive industry. It designs, manufactures, and supplies wiring harnesses and cable assemblies that connect electrical components in vehicles, providing power and data transmission throughout a vehicle. The product work involves integrated harnesses, connectors, protective insulation, and module assemblies produced at scale in factories around the world to meet automotive OEM specifications. Compared with competitors, Leoni leverages a long history dating back to 1917, a broad international footprint, and deep experience as a dedicated automotive wiring systems partner, enabling large-scale production, consistent quality, and strong OEM relationships. Its goal is to support the evolving needs of the automotive sector by delivering reliable, high-quality wiring solutions and expanding its global manufacturing capabilities to power modern and future vehicle technologies.
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Simplify's take
What believers are saying
- LEONI expanded Egypt in December 2025 and plans EUR 80 million more by 2028.
- Durango, Mexico added 14 production lines on 25 February 2026 for EV harnesses.
- Luxshare increased its stake on 30 April 2026, signaling continued capital support.
What critics are saying
- Leoni Wiring Systems announced 465 Arad layoffs on 19 December 2025 through 2026.
- LEONI shut Malošiste in 2025, eliminating 1,900 Serbian jobs and shrinking capacity.
- Weak European automotive orders threaten more Serbian and Romanian cuts through 2027.
What makes LEONI unique
- Luxshare owned 74.9% of LEONI AG after 29 April 2026, backing balance-sheet stability.
- LEONI opened Bouskoura, Morocco, on 11 June 2026, expanding low-cost wiring capacity.
- LEONI transformed Kitzingen IIC into ICC in August 2026, speeding automotive wiring development.
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