Index Ventures vs Series X Capital
Index Ventures vs Series X Capital, compared side by side on 13 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 Series X Capital on 61/100.
Where each one leads
Index Ventures
- our overall score: 85/100 against 61/100
- domain rating: 75/100 against 1/100
- funding raised: $9.1B against $300M
Series X Capital
- agent readiness: 58/100 against 36/100
At a glance
| Measure | Index Ventures | Series X Capital |
|---|---|---|
| What it is | Global venture capital firm backing ambitious entrepreneurs from seed to IPO across technology and life sciences. | Venture fund established by Alphabet to scale experimental technology bets. |
| Category | Venture Capital, Growth Capital, Enterprise Software, AI/ML | Venture Capital, Investment, Corporate Venture Capital, Experimental Technology |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Services |
| Founded | 1996 | 2023 |
| Headquarters | London, United Kingdom | Mountain View, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Index Ventures | Series X Capital |
|---|---|---|
| Employees | 113 | Not published |
| Total funding | $9.1B | $300M |
| Latest round | Venture Fund and Growth Fund | Strategic |
| 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 | Series X Capital |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 85/100 | 61/100 |
| Traction | Not published | 40/100 |
| Team | 100/100 | Not published |
| Community | Not published | 15/100 |
| Search visibility | 51/100 | 13/100 |
| Quality | Not published | 88/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (36/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | 75/100 | 1/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Index Ventures | Series X Capital |
|---|---|---|
| Hosting | AWS | Not detected |
| CDN | CloudFront | Not detected |
| Frameworks | Bootstrap | Not detected |
| Analytics | Google Analytics 4, Fathom | Not detected |
Index Ventures vs Series X Capital: common questions
Which is better, Index Ventures or Series X Capital?
On our 0-100 score Index Ventures rates higher (85/100 against 61/100). 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 13 data points above: read the rows that match what you are buying for.
How do Index Ventures and Series X Capital compare on the numbers?
Index Ventures leads on our overall score (85/100 against 61/100), domain rating (75/100 against 1/100), funding raised ($9.1B against $300M). Series X Capital leads on agent readiness (58/100 against 36/100).
Read the full Index Ventures review and pricing or the Series X Capital review and pricing. You can also browse other Index Ventures alternatives we track.

