Arq vs Eridu
Arq vs Eridu, compared side by side on 18 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: Arq is on 43/100 and Eridu on 60/100.
Where each one leads
Arq
Leads on none of the measures we hold for both companies.
Eridu
- our overall score: 60/100 against 43/100
- domain rating: 26/100 against 6/100
- headcount: 70 against 9
- funding raised: $200M against $1.4M
- LinkedIn following: 3,973 against 946
At a glance
| Measure | Arq | Eridu |
|---|---|---|
| What it is | UK quantum technology startup developing networking hardware for the quantum internet. | Developing a new network switch architecture to break through AI networking bottlenecks. |
| Category | Quantum Technology, Telecommunications, Networking, Hardware | Artificial Intelligence, Networking, Semiconductors, Data Center Infrastructure |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2025 | 2026 |
| Headquarters | Barcelona, United Kingdom | Saratoga, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Arq | Eridu |
|---|---|---|
| Employees | 9 | 70 |
| Total funding | $1.4M | $200M |
| Latest round | Pre-Seed | Series A |
| LinkedIn followers | 946 | 3,973 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Arq | Eridu |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 43/100 | 60/100 |
| Traction | 41/100 | 59/100 |
| Team | 30/100 | 60/100 |
| Search visibility | 37/100 | 39/100 |
| Quality | 48/100 | 65/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (29/100) | F (32/100) |
| Domain ratingLink authority, 0-100 | 6/100 | 26/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Arq | Eridu |
|---|---|---|
| CDN | Not detected | Cloudflare |
| CMS | Not detected | WordPress |
| Frameworks | Not detected | Jquery, Tailwind CSS |
| Analytics | Not detected | Google Analytics 4, Plausible |
Arq vs Eridu: common questions
Which is better, Arq or Eridu?
On our 0-100 score Eridu rates higher (60/100 against 43/100). 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 18 data points above: read the rows that match what you are buying for.
How do Arq and Eridu compare on the numbers?
Eridu leads on our overall score (60/100 against 43/100), domain rating (26/100 against 6/100), headcount (70 against 9), funding raised ($200M against $1.4M), LinkedIn following (3,973 against 946).
Read the full Arq review and pricing or the Eridu review and pricing. You can also browse other Arq alternatives we track.