Assailly vs S⁴Capital
Assailly vs S⁴Capital, compared side by side on 10 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: Assailly is on 8/100 and S⁴Capital on 58/100.
Where each one leads
Assailly
Leads on none of the measures we hold for both companies.
S⁴Capital
- our overall score: 58/100 against 8/100
- agent readiness: 28/100 against 20/100
At a glance
| Measure | Assailly | S⁴Capital |
|---|---|---|
| What it is | Assailly is a French startup that provides a platform for managing and optimizing online advertising campaigns. | A tech-led digital advertising, marketing, and technology services company. |
| Category | AdTech, Marketing Automation, Digital Advertising, Performance Marketing | AdTech, Marketing Tech, Digital Advertising, Content Marketing |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Services |
| Founded | 2026 | 2015 |
| Headquarters | Paris, France | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Assailly | S⁴Capital |
|---|---|---|
| Employees | Not published | 73 |
| Headcount growthLast 12 months | Not published | +18.3% |
| Total funding | Not published | $1.0M |
| Latest round | Not published | Seed |
| Valuation | Not published | $4.2B |
| LinkedIn followers | Not published | 23,316 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Assailly | S⁴Capital |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 8/100 | 58/100 |
| Traction | Not published | 59/100 |
| Team | Not published | 50/100 |
| Community | Not published | 15/100 |
| Search visibility | 12/100 | 24/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (20/100) | F (28/100) |
| Domain ratingLink authority, 0-100 | Not published | 42/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Assailly | S⁴Capital |
|---|---|---|
| Hosting | OVH | Not detected |
| CDN | Not detected | CloudFront |
| Analytics | Not detected | Google Tag Manager |
Assailly vs S⁴Capital: common questions
Which is better, Assailly or S⁴Capital?
On our 0-100 score S⁴Capital rates higher (58/100 against 8/100). 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 10 data points above: read the rows that match what you are buying for.
How do Assailly and S⁴Capital compare on the numbers?
S⁴Capital leads on our overall score (58/100 against 8/100), agent readiness (28/100 against 20/100).
Read the full Assailly review and pricing or the S⁴Capital review and pricing. You can also browse other Assailly alternatives we track.

