CODILOG (legal entity Codilog Eliance SAS) is a French IT services firm specializing exclusively in the SAP platform. Founded in 1998 and part of the Neurones group, CODILOG provides consulting, integration, system administration, and third-party application maintenance (TMA) for SAP ERP, SAP S/4HANA, and surrounding solutions. The firm operates from service centers in Nanterre, in the western Paris region, and Angers, supporting customers across France and a wider French-speaking footprint. CODILOG markets a dedicated managed services offering called PROXIMA, which covers ongoing support, evolutions, and run management for SAP applications post go-live. The company employs more than three hundred consultants who work full-time on SAP, with capabilities spanning functional consulting, ABAP and Fiori development, basis administration, and SAP training. CODILOG is recognized in SAP's partner ecosystem as a Gold Partner in France, and it positions its expertise around service companies, discrete manufacturing, energy, and consumer goods. Engagement types range from full S/4HANA implementations and brownfield conversions to upgrade projects, integration work, and ongoing application support. As a Neurones-group company, CODILOG can leverage broader infrastructure, cybersecurity, and digital workplace capabilities from its parent group, while preserving its identity as a pure-play SAP integrator.