Tesseral vs Vinci
Side-by-side comparison of AI visibility scores, market position, and capabilities
US open-source B2B authentication platform for SAML and SCIM enterprise SSO; YC $3.3M seed May 2025 from Paul Graham backing competing with WorkOS for SaaS company enterprise identity infrastructure.
About
Tesseral is a US-based open-source B2B authentication infrastructure company — backed by Y Combinator with $3.3 million in seed funding raised in May 2025 from YC, Jessica Livingston, and Paul Graham — building developer-friendly SAML, SCIM, and enterprise SSO infrastructure that enables SaaS companies to implement enterprise authentication standards without the months of engineering work that supporting each enterprise customer's identity provider (Okta, Azure AD, Google Workspace) typically requires. Founded by Ned O'Leary and Ulysse Carion, Tesseral democratizes enterprise authentication capabilities that were previously only accessible to large organizations with dedicated identity engineering teams.
Nanterre global concessions and construction (EPA: DG, CAC 40) at €71.6B 2024 revenue record and €4.9B net income; 72 airports/4,400km toll roads with Edinburgh Airport acquisition competing with ACS for global infrastructure concessions.
About
VINCI SA is a Nanterre, France-headquartered global concessions and construction group — listed on Euronext Paris (EPA: DG) as a CAC 40 component — reporting record €71.6 billion in revenue and €4.9 billion in net income for 2024, employing 285,000 people across 120+ countries in three business divisions: Vinci Concessions (€11.7 billion revenue, operating 4,400 km of toll roads and 72 airports including Gatwick and Edinburgh airports in 14 countries), Vinci Energies (€27.5 billion revenue, energy transition and digital infrastructure services), and Vinci Construction (€31.8 billion revenue, civil engineering, buildings, and hydraulic engineering). International markets represent 58% of total revenue. CEO Xavier Huillard has led VINCI since 2010; Pierre Anjolras serves as incoming COO. Key acquisitions include ANA Aeroportos de Portugal (€3.08B, 2012), Gatwick Airport 50.01% (2019), ACS Industrial Services division (€5.2B, 2021), and Edinburgh Airport 50.01% (2024). Founded 1899 as Société Générale d'Entreprises.
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