Index Ventures vs Stealth Startup
Index Ventures vs Stealth Startup, compared side by side on 11 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Index Ventures is on 85/100 and Stealth Startup on 2/100.
Where each one leads
Index Ventures
- our overall score: 85/100 against 2/100
- domain rating: 75/100 against 4/100
Stealth Startup
- agent readiness: 50/100 against 36/100
At a glance
| Measure | Index Ventures | Stealth Startup |
|---|---|---|
| What it is | Global venture capital firm backing ambitious entrepreneurs from seed to IPO across technology and life sciences. | A platform for founders to build and launch startups in stealth mode. |
| Category | Venture Capital, Growth Capital, Enterprise Software, AI/ML | Startup Incubation, Founder Tools, Product Development, Venture Capital |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 1996 | 2026 |
| Headquarters | London, United Kingdom | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Index Ventures | Stealth Startup |
|---|---|---|
| Employees | 113 | Not published |
| Total funding | $9.1B | Not published |
| Latest round | Venture Fund and Growth Fund | Not published |
| LinkedIn followers | 663 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Index Ventures | Stealth Startup |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 85/100 | 2/100 |
| Team | 100/100 | Not published |
| Search visibility | 51/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | F (36/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 75/100 | 4/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Index Ventures | Stealth Startup |
|---|---|---|
| Hosting | AWS | AWS |
| CDN | CloudFront | Not detected |
| Frameworks | Bootstrap | Not detected |
| Analytics | Google Analytics 4, Fathom | Not detected |
Index Ventures vs Stealth Startup: common questions
Which is better, Index Ventures or Stealth Startup?
On our 0-100 score Index Ventures rates higher (85/100 against 2/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 11 data points above: read the rows that match what you are buying for.
How do Index Ventures and Stealth Startup compare on the numbers?
Index Ventures leads on our overall score (85/100 against 2/100), domain rating (75/100 against 4/100). Stealth Startup leads on agent readiness (50/100 against 36/100).
Read the full Index Ventures review and pricing or the Stealth Startup review and pricing. You can also browse other Index Ventures alternatives we track.