Mantle8 vs Notpla
Mantle8 vs Notpla, compared side by side on 18 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: Mantle8 is on 54/100 and Notpla on 61/100.
Where each one leads
Mantle8
- funding raised: $36.7M against $25.0M
Notpla
- our overall score: 61/100 against 54/100
- domain rating: 72/100 against 34/100
At a glance
| Measure | Mantle8 | Notpla |
|---|---|---|
| What it is | European natural hydrogen exploration company developing geoscience-based technologies for subsurface resource identification. | Notpla develops and produces sustainable, plastic-free packaging solutions from seaweed and plants, offering biodegradable and compostable alternatives for various applications. |
| Category | Sustainability, Deep Tech, Energy, Geoscience | Sustainability, Packaging, Materials Science, Biotechnology |
| Sells toBusiness model | B2B | B2B |
| Offering | Services | Platform |
| Founded | 2024 | 2014 |
| Headquarters | Grenoble, France | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Mantle8 | Notpla |
|---|---|---|
| Employees | Not published | 106 |
| Total funding | $36.7M | $25.0M |
| Latest round | Series A | Series A |
| Valuation | $44.0M | $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 | Mantle8 | Notpla |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 54/100 | 61/100 |
| Traction | 34/100 | 57/100 |
| Team | 30/100 | 30/100 |
| Search visibility | 8/100 | 23/100 |
| Quality | Not published | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (37/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 34/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mantle8 | Notpla |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Webflow |
| Frameworks | Jquery | Not detected |
| Analytics | Not detected | Google Analytics 4, Google Tag Manager |
| Support stack | Not detected | HubSpot |
What users say
| Measure | Mantle8 | 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
Mantle8 vs Notpla: common questions
Which is better, Mantle8 or Notpla?
On our 0-100 score Notpla rates higher (61/100 against 54/100). 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 18 data points above: read the rows that match what you are buying for.
How do Mantle8 and Notpla compare on the numbers?
Mantle8 leads on funding raised ($36.7M against $25.0M). Notpla leads on our overall score (61/100 against 54/100), domain rating (72/100 against 34/100).
What do real users say about Mantle8 and Notpla?
Notpla: 4 positive and 0 negative mentions across 6 Reddit threads we track, mostly in r/RoyalsGossip.
Read the full Mantle8 review and pricing or the Notpla review and pricing. You can also browse other Mantle8 alternatives we track.

