Fast Metals vs Notpla
Fast Metals vs Notpla, 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: Fast Metals is on 46/100 and Notpla on 61/100.
Where each one leads
Fast Metals
Leads on none of the measures we hold for both companies.
Notpla
- our overall score: 61/100 against 46/100
- agent readiness: 36/100 against 30/100
- domain rating: 72/100 against 33/100
- funding raised: $25.0M against $4.3M
At a glance
| Measure | Fast Metals | Notpla |
|---|---|---|
| What it is | Extracting critical minerals from industrial waste like red mud using a proprietary chemical process. | Notpla develops and produces sustainable, plastic-free packaging solutions from seaweed and plants, offering biodegradable and compostable alternatives for various applications. |
| Category | Climate Tech, Materials Science, Mining, Waste Management | Sustainability, Packaging, Materials Science, Biotechnology |
| Sells toBusiness model | B2B | B2B |
| Offering | Services | Platform |
| Founded | 2024 | 2014 |
| Headquarters | Stamford, United States | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Fast Metals | Notpla |
|---|---|---|
| Employees | Not published | 106 |
| Total funding | $4.3M | $25.0M |
| Latest round | Pre-Seed | Series A |
| Valuation | Not published | $1.1B |
| LinkedIn followers | Not published | 63,971 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Fast Metals | Notpla |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 46/100 | 61/100 |
| Traction | 33/100 | 57/100 |
| Team | 60/100 | 30/100 |
| Search visibility | 28/100 | 23/100 |
| Quality | 52/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (30/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 33/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Fast Metals | Notpla |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Not detected | Webflow |
| Frameworks | Jquery | Not detected |
| Analytics | Not detected | Google Analytics 4, Google Tag Manager |
| Support stack | Not detected | HubSpot |
What users say
| Measure | Fast Metals | Notpla |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 4 positive, 0 negative across 6 threads |
“This seaweed-based, single use packaging made by Notpla is dissolvable, edible, and biodegradable, and won £1 million from Prince William’s Earthshot prize in 2025. This is truly amazing, I hope it can scale for food packaging.”r/RoyalsGossip
Fast Metals vs Notpla: common questions
Which is better, Fast Metals or Notpla?
On our 0-100 score Notpla rates higher (61/100 against 46/100). 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 Fast Metals and Notpla compare on the numbers?
Notpla leads on our overall score (61/100 against 46/100), agent readiness (36/100 against 30/100), domain rating (72/100 against 33/100), funding raised ($25.0M against $4.3M).
What do real users say about Fast Metals and Notpla?
Notpla: 4 positive and 0 negative mentions across 6 Reddit threads we track, mostly in r/RoyalsGossip.
Read the full Fast Metals review and pricing or the Notpla review and pricing. You can also browse other Fast Metals alternatives we track.

