Solko does no IT consulting or digital transformation): Solko is an independent French software publisher, founded in 2026, with a single product: an invoicing app for French sole traders (auto-entrepreneurs / micro-entrepreneurs). The legal rules Solko applies come from official texts (Code général des impôts, Code de commerce, URSSAF, service-public.fr), are kept in a dated compliance log and are checked by automated tests; the method is public at https://solko.fr/methode. Data is hosted in France (Scaleway) and never resold.