Private company

Simpson Design

Automobile manufacturer

Simpson Design is an American automobile coachbuilder founded in 1978 by owner Jim Simpson. The company is based in Clinton, Whidbey Island, located just outside of Seattle, Washington, and specializes in the production of custom sports cars coachbuilt bodies and interiors, mainly built on the Mazda Miata MX-5 chassis.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • Industryautomotive industry1

Simpson Design is an American automobile coachbuilder founded in 1978 by owner Jim Simpson. The company is based in Clinton, Whidbey Island, located just outside of Seattle, Washington, and specializes in the production of custom sports cars coachbuilt bodies and interiors, mainly built on the Mazda Miata MX-5 chassis.2

Sources

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