Astronomer
Astronomer is a Transformation & Orchestration company founded in 2016 and based in Cincinnati, United States. It has raised $325.3M in total funding, most recently a Series D in 2025.
Astronomer provides a managed platform for Apache Airflow, the open-source workflow orchestration tool for data pipelines. Raised $213M Series C in 2021. Airflow is the most widely deployed orchestrator. Cloud and hybrid deployment models. Competes with Prefect, Dagster.
The commercial leader for Airflow, which has become the de facto orchestration engine for data engineering and ML workflows.
astronomer.io ↗·Transformation & Orchestration·
United States·private 
