Arq vs Quside
Arq vs Quside, 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: Arq is on 43/100 and Quside on 41/100.
Where each one leads
Arq
Leads on none of the measures we hold for both companies.
Quside
- agent readiness: 50/100 against 29/100
- domain rating: 50/100 against 6/100
- funding raised: $10.8M against $1.4M
At a glance
| Measure | Arq | Quside |
|---|---|---|
| What it is | UK quantum technology startup developing networking hardware for the quantum internet. | Quantum technology for enhanced cybersecurity, high-performance computing, and scientific research. |
| Category | Quantum Technology, Telecommunications, Networking, Hardware | Quantum Technology, Cybersecurity, High-Performance Computing, Scientific Research |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2025 | Not published |
| Headquarters | Barcelona, United Kingdom | Barcelona, Spain |
| Status | Active | Active |
Size, funding and growth
| Measure | Arq | Quside |
|---|---|---|
| Employees | 9 | Not published |
| Total funding | $1.4M | $10.8M |
| Latest round | Pre-Seed | Series A |
| LinkedIn followers | 946 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Arq | Quside |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 43/100 | 41/100 |
| Traction | 41/100 | 35/100 |
| Team | 30/100 | Not published |
| Search visibility | 37/100 | Not published |
| Quality | 48/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (29/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 6/100 | 50/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Arq | Quside |
|---|---|---|
| Hosting | Not detected | Google Cloud |
What users say
| Measure | Arq | Quside |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 2 positive, 0 negative across 2 threads |
“Coherent and Quside Demonstrate Verifiable Entropy for Quantum-Safe Encryption.”r/Quantisnow
Arq vs Quside: common questions
Which is better, Arq or Quside?
On our 0-100 score Arq rates higher (43/100 against 41/100). 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 Arq and Quside compare on the numbers?
Quside leads on agent readiness (50/100 against 29/100), domain rating (50/100 against 6/100), funding raised ($10.8M against $1.4M).
What do real users say about Arq and Quside?
Quside: 2 positive and 0 negative mentions across 2 Reddit threads we track, mostly in r/Quantisnow.
Read the full Arq review and pricing or the Quside review and pricing. You can also browse other Arq alternatives we track.