Mastec vs Valar Atomics
Mastec vs Valar Atomics, 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: Mastec is on 8/100 and Valar Atomics on 69/100.
Where each one leads
Mastec
- domain rating: 63/100 against 54/100
Valar Atomics
- our overall score: 69/100 against 8/100
At a glance
| Measure | Mastec | Valar Atomics |
|---|---|---|
| What it is | Leading specialty contractor engineering, designing, and constructing infrastructure for electric power, oil and gas, renewable energy, and wireless networks. | Nuclear energy startup developing small, high-temperature reactors for AI data centers and industrial applications. |
| Category | Energy Infrastructure, Oil & Gas Infrastructure, Renewable Energy Construction, Telecommunications Infrastructure | Climate Tech, Clean Energy, Nuclear Power, Industrial Heat |
| Sells toBusiness model | B2B | B2B |
| Offering | Services | Hardware |
| Founded | Not published | 2023 |
| Headquarters | Coral Gables, United States | El Segundo, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Mastec | Valar Atomics |
|---|---|---|
| Employees | Not published | 99 |
| Total funding | Not published | $2.6B |
| Latest round | Not published | Funding Round |
| Valuation | Not published | $6.0B |
| LinkedIn followers | Not published | 11,012 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mastec | Valar Atomics |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 8/100 | 69/100 |
| Traction | Not published | 60/100 |
| Team | Not published | 70/100 |
| Search visibility | 8/100 | 78/100 |
| Quality | Not published | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (36/100) | F (37/100) |
| Domain ratingLink authority, 0-100 | 63/100 | 54/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mastec | Valar Atomics |
|---|---|---|
| Hosting | AWS | Vercel |
| CDN | CloudFront | Vercel |
| Frameworks | Bootstrap | Next.js, Tailwind CSS |
What users say
| Measure | Mastec | Valar Atomics |
|---|---|---|
| Reddit sentimentThreads we track | 0 positive, 2 negative across 6 threads | Not published |
“What an absolute shit show going from optimum to mastec. My fellow field service technicians that were with optimum and now are mastec contractors. What are your thoughts and opinions on it so far?”r/CableTechs
Mastec vs Valar Atomics: common questions
Which is better, Mastec or Valar Atomics?
On our 0-100 score Valar Atomics rates higher (69/100 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 13 data points above: read the rows that match what you are buying for.
How do Mastec and Valar Atomics compare on the numbers?
Mastec leads on domain rating (63/100 against 54/100). Valar Atomics leads on our overall score (69/100 against 8/100).
What do real users say about Mastec and Valar Atomics?
Mastec: 0 positive and 2 negative mentions across 6 Reddit threads we track, mostly in r/CableTechs.
Read the full Mastec review and pricing or the Valar Atomics review and pricing. You can also browse other Mastec alternatives we track.