HalioDx is an immuno-oncology diagnostic company providing oncologists with first-in-class Immune-based diagnostic products and services to guide cancer care and contribute to precision medicine in the era of immuno-oncology and combination therapies. HalioDx Immunoscore® technology integrates immunohistochemistry combined with advanced imaging analysis enabling extraction of spatially-organized tissue molecular information. Immunoscore® is a platform for many cancers, as immune response to tumor is a key hallmark of disease progression. Pioneered by Jérôme Galon at the Cordeliers Research Center, Paris, France, Immunoscore® Colon is the flagship assay of HalioDx, positioned to be a future diagnostic standard for delivering prognostic and predictive information. HalioDx develops also assays such as Halioseek™ and Immunosign® to help stratifying patients for immunotherapies. HalioDx collaborates with an increasing number of renowned international clinical groups and biopharmaceutical companies to support clinical utility and ensure rigorous performance validation of its assays in a large number of cancer indications. HalioDx has an experienced team of more than 100 employees, a CLIA-certified laboratory and compliant facilities to develop, manufacture, register and market in vitro diagnostic (IVD) products. HalioDx executes biomarker studies and companion diagnostic assay development in conformity with regulations and in partnership with biopharmaceutical companies. The company co-founded the European immunology cluster Marseille Immunopôle (MI). For more information, please visit our websites www.haliodx.com and www.immunoscore-colon.com and follow the company on Twitter @HalioDx.
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The HalioDx annual revenue was $55.7 million in 2026.
Aurelie Catteau is the Director Medical Affairs of HalioDx.
7 people are employed at HalioDx.
HalioDx is based in Marseille, Provence-Alpes-Cote d'Azur.
The NAICS codes for HalioDx are [325, 32541, 32, 541, 54, 325413, 3254].
The SIC codes for HalioDx are [87, 873, 283, 28].