Castelion vs Neros Technologies
Castelion vs Neros Technologies, compared side by side on 17 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: Castelion is on 60/100 and Neros Technologies on 36/100.
Where each one leads
Castelion
- our overall score: 60/100 against 36/100
- domain rating: 43/100 against 37/100
- headcount: 100 against 50
Neros Technologies
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Castelion | Neros Technologies |
|---|---|---|
| What it is | Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers. | Defense tech company manufacturing low-cost expendable drones, founded by professional drone racers. |
| Category | Defense, Hypersonic, Missiles, Aerospace | Defense, Drones, Manufacturing, Autonomous Systems |
| Sells toBusiness model | B2G | B2G |
| Offering | Hardware | Hardware |
| Founded | 2022 | 2023 |
| Headquarters | El Segundo, United States | El Segundo, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Castelion | Neros Technologies |
|---|---|---|
| Employees | 100 | 50 |
| Open roles | Not published | 73 |
| Total funding | $1.1B | Not published |
| Latest round | Series C | Not published |
| Valuation | $13B | Not published |
| LinkedIn followers | Not published | 20,962 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Castelion | Neros Technologies |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 60/100 | 36/100 |
| Traction | 58/100 | 17/100 |
| Team | 10/100 | Not published |
| Community | Not published | 20/100 |
| Search visibility | 29/100 | 51/100 |
| Quality | 78/100 | 45/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 43/100 | 37/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Castelion | Neros Technologies |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Webflow |
| Frameworks | Jquery, Bootstrap | Not detected |
| Analytics | Google Tag Manager | Google Analytics 4, Linkedin Insight, Facebook Pixel |
What users say
| Measure | Castelion | Neros Technologies |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 1 vote |
| Reddit sentimentThreads we track | 1 positive, 3 negative across 6 threads | Not published |
“Hypersonic weapon startup Castelion wins $105 million Navy contract for F/A-18 integration. Castelion, a small California defense startup, has won a $105 million U.S. Navy contract to ready its Blackbeard hypersonic missile for use aboard ”r/FighterJets
Castelion vs Neros Technologies: common questions
Which is better, Castelion or Neros Technologies?
On our 0-100 score Castelion rates higher (60/100 against 36/100). 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 17 data points above: read the rows that match what you are buying for.
How do Castelion and Neros Technologies compare on the numbers?
Castelion leads on our overall score (60/100 against 36/100), domain rating (43/100 against 37/100), headcount (100 against 50).
What do real users say about Castelion and Neros Technologies?
Castelion: 1 positive and 3 negative mentions across 6 Reddit threads we track, mostly in r/FighterJets.
Read the full Castelion review and pricing or the Neros Technologies review and pricing. You can also browse other Castelion alternatives we track.