URSA MAJOR vs Zephyr Fusion
URSA MAJOR vs Zephyr Fusion, 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: URSA MAJOR is on 71/100 and Zephyr Fusion on 48/100.
Where each one leads
URSA MAJOR
- our overall score: 71/100 against 48/100
- domain rating: 51/100 against 13/100
- headcount: 464 against 5
- LinkedIn following: 57,715 against 1,087
Zephyr Fusion
- agent readiness: 49/100 against 42/100
At a glance
| Measure | URSA MAJOR | Zephyr Fusion |
|---|---|---|
| What it is | Designs and manufactures flight-proven aerospace and defense systems, including rocket engines and hypersonic capabilities. | Powering tomorrow's industrial revolution in space |
| Category | Defense Tech, SpaceTech, Hypersonics, Rocket Engines | Fusion Energy, Hard Tech, Satellites, Aerospace |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2015 | 2023 |
| Headquarters | Berthoud, United States | San Diego, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | URSA MAJOR | Zephyr Fusion |
|---|---|---|
| Employees | 464 | 5 |
| Total funding | $100M | Not published |
| Latest round | Series E | Not published |
| LinkedIn followers | 57,715 | 1,087 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | URSA MAJOR | Zephyr Fusion |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 71/100 | 48/100 |
| Traction | Not published | 8/100 |
| Team | Not published | 30/100 |
| Search visibility | Not published | 40/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | D (49/100) |
| Domain ratingLink authority, 0-100 | 51/100 | 13/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | URSA MAJOR | Zephyr Fusion |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | WordPress | Framer |
| Frameworks | Jquery | Not detected |
| Analytics | Google Analytics 4, Google Tag Manager | Not detected |
URSA MAJOR vs Zephyr Fusion: common questions
Which is better, URSA MAJOR or Zephyr Fusion?
On our 0-100 score URSA MAJOR rates higher (71/100 against 48/100). 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 URSA MAJOR and Zephyr Fusion compare on the numbers?
URSA MAJOR leads on our overall score (71/100 against 48/100), domain rating (51/100 against 13/100), headcount (464 against 5), LinkedIn following (57,715 against 1,087). Zephyr Fusion leads on agent readiness (49/100 against 42/100).
Read the full URSA MAJOR review and pricing or the Zephyr Fusion review and pricing. You can also browse other URSA MAJOR alternatives we track.