Overview

Zuken is a software company headquartered in Yokohama, Japan, founded in 1976 and listed on the Tokyo Stock Exchange under ticker 6947.T. It employs between 1,000 and 5,000 people and provides electronic design automation and engineering software for electrical and electronic design. Its customers operate in automotive, electric vehicles, electronics, appliances, medical devices, and plumbing hardware. In May 2026, Zuken and Valeo announced a collaboration on automotive electronic design, and Zuken released Harness Builder for its E3.series software in March 2026 to support wire harness manufacturing.

At a glance

What Zuken makes

Zuken's product areas in the record include PCB design, wire harness design, electronics, and chassis-related engineering software, with its E3.series line updated for 2026.

Products and capabilities described on the company's own site include Semiconductor, Assembly, Wire Harness, PCB, Electronics, Chassis (source: zuken.com).

Known customers

The counterparties below come from public sources that state the relationship directly. A shared counterparty does not by itself establish a current buying relationship unless the source says so:

• Continental — reported by zuken.com

Latest developments

• 2026-09-21 — Zuken finalise l'acquisition des activités eCADSTAR et CADSTAR auprès d'un revendeur français de longue date - Portail francophone CAO.fr (cao.fr)

• 2026-07-30 — Zuken Acquisition of the eCADSTAR & CADSTAR business Novacad (ecadstar.com)

• 2026-05-28 — Valeo and Zuken join forces to redefine automotive electronic design - Zuken EN (zuken.com)

• 2026-05-28 — Press Release Archives - Zuken EN (zuken.com)

• 2026-03-10 — Zuken Releases Harness Builder for E3.series 2026 for Wire Harness Manufacturing - Zuken EN (zuken.com)

• 2025-09-04 — Participating in "JOINT3" Consortium to Develop Next-Generation Semiconductor Packaging - Zuken EN (zuken.com)

Company details

Zuken is publicly listed, and Continental is the named customer reported on its website. Zuken was founded in 1976, has an estimated 1,000-5,000 employees, and is headquartered in Yokohama, Kanagawa Prefecture.

Frequently asked questions

What does Zuken make?

Zuken is a software company headquartered in Yokohama, Japan, founded in 1976 and listed on the Tokyo Stock Exchange under ticker 6947.T. It employs between 1,000 and 5,000 people and provides electronic design automation and engineering software for electrical and electronic design. Its customers operate in automotive, electric vehicles, electronics, appliances, medical devices, and plumbing hardware. In May 2026, Zuken and Valeo announced a collaboration on automotive electronic design, and Zuken released Harness Builder for its E3.series software in March 2026 to support wire harness manufacturing.

Where is Zuken headquartered?

Zuken is headquartered in Yokohama, Kanagawa Prefecture.

When was Zuken founded?

Zuken was founded in 1976.

How big is Zuken?

Zuken has an estimated 1,000-5,000 employees, with revenue in the 270.1M range.

Is Zuken publicly traded?

Publicly traded (JPX: 6947.T). Public financial figures are drawn from its filings.

Who are Zuken's customers?

Public sources directly reference Continental as a counterparty of Zuken. Confirm current programs with the company, as reported relationships may change.

Related suppliers

Explore other suppliers in the LightSource directory:

• 10xEngineers

• 1X

• 365 Retail Markets

• 3Com

• 3PAR

Last verified Nov 2026. Is this your company? Request a correction.