Startup Directory
Index Startups
Research Index-backed startups with structured founder, funding, sector, location, and company intelligence from 100Xfounder.
Research Brief
How to read Index-backed startups
Investor-backed startup pages are useful when they show portfolio themes, not just names. This page groups companies associated with Index and connects them to funding stage, sector, location, founder, and hiring signals. The stronger the data around each company, the easier it becomes to understand whether the investor has a pattern in AI, SaaS, fintech, consumer, infrastructure, or other markets.
Index portfolio signal context
Index-backed startup discovery should reveal what kind of company formation is happening around the investor. This page currently tracks 1 indexed companies. When combined with the startup directory, founder profiles, and funding-round hubs, it helps readers identify repeatable investor theses and compare companies across related categories.
PPersona
Building configurable identity infrastructure for KYC, AML, fraud detection, onboarding: used by Square, BlockFi, DoorDash, Coursera and more SaaS Compliance Fraud Detection Enterprise Software
Last round: Series D Founders Fund, Index, Coatue, Bond, $200M Series D in 2025, $2.0B valuation
Related Startup Pages
Internal Research Paths
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FAQ
Questions about Index startups
What is this Index startup page?
It is a 100Xfounder directory page for Index-backed startups, combining company profiles, founder context, funding signals, hiring indicators, and internal links into related market pages. 1 companies are currently included in this view.
How are Index-backed startups selected?
The page uses structured 100Xfounder company and founder data, then groups profiles by investor. Ordering favors stronger funding, verified company context, founder detail, hiring signals, and useful internal research paths.
How complete is this market page?
The page remains available as a lightweight discovery route while company depth grows.
Where should I go next after this Index list?
Use related founder profiles, company pages, funding-round pages, country hubs, startup jobs, salary-equity pages, and newsroom coverage to understand the broader market context around these companies.
Connected Pillar Routes
Continue discovery through country, industry, stage, funding, and newsroom hubs.