ORQA supplies drones to NATO militaries and views working in Ukraine as key to making the standard of drone technology that the alliance needs. Stefan Wermuth/REUTERS

A Western company developing drone technology for NATO militaries says that working in Ukraine is the best way to ensure its gear meets the alliance's needs for a future fight.

ORQA, a Croatian company that makes drones and drone technology, including controllers, receivers, goggles, video equipment, and flight simulators, already supplies parts and systems to two dozen NATO allies. But it wants to draw on Ukraine's battlefield experience to improve its products.

Working in Ukraine "creates an opportunity to really channel this sort of operational expertise to shape these products.…