Union Systems develops workflow orchestration and machine learning software, including a managed version of Flyte.
Founded in 2021 and based in Washington, Union Systems develops software products including Flyte, an open-source workflow orchestration platform; UnionML, an open-source Python framework; and Union Cloud, a managed version of Flyte. In February 2026, it raised USD 19 million in Series A funding led by New Enterprise Associates, with Nava Ventures and Mozilla Ventures participating. The round was part of a larger USD 38.1 million Series A funding.
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