Hermeus splits prototyping and production

Keeping Atlanta as the production home shows that Hermeus is trying to build two different machines at once, a fast experiment engine in Southern California, and a repeatable aircraft factory in Georgia. That split matters because the work of proving a new aircraft in small batches is very different from building the jigs, supply flows, quality checks, and trained labor needed to turn one-off test articles into a fleet.

• Atlanta was already built for assembly and structures work. Hermeus secured the 110,000 square foot factory in 2021 for light manufacturing and aircraft assembly, and by 2026 described it as the place turning prototypes into scalable flight ready aircraft.
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• El Segundo is being used for the work that benefits most from dense aerospace talent and quick supplier access. Hermeus says headquarters, engineering, prototyping, and complex component and subassembly builds are centered there, while final production work stays in Georgia.
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• This mirrors a broader hardware playbook in aerospace and defense. Boom is separating engine and aircraft development from factory scale up in North Carolina, and defense startups often win by fielding products quickly first, then building repeatable production after the product shape is clearer.
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The next step is turning this split site model into faster aircraft cadence. If Hermeus can keep prototyping loops short in California while Atlanta absorbs the slower discipline of production, inspection, and engine buildout, it can move from proving Quarterhorse class vehicles to delivering multiple mission aircraft without stalling on factory readiness.