Circular11 vs Notpla
Circular11 vs Notpla, compared side by side on 20 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: Circular11 is on 46/100 and Notpla on 61/100.
Where each one leads
Circular11
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 26/100
- domain rating: 72/100 against 26/100
- headcount: 106 against 9
- funding raised: $25.0M against $2.9M
- LinkedIn following: 63,971 against 1,311
At a glance
| Measure | Circular11 | Notpla |
|---|---|---|
| What it is | Turning low-grade plastic waste into building materials and home products. | Notpla develops and produces sustainable, plastic-free packaging solutions from seaweed and plants, offering biodegradable and compostable alternatives for various applications. |
| Category | Waste Management, Construction, Materials Science, Sustainability | Sustainability, Packaging, Materials Science, Biotechnology |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Platform |
| Founded | 2021 | 2014 |
| Headquarters | Dorset, United Kingdom | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Circular11 | Notpla |
|---|---|---|
| Employees | 9 | 106 |
| Total funding | $2.9M | $25.0M |
| Latest round | Equity Funding | Series A |
| Valuation | Not published | $1.1B |
| LinkedIn followers | 1,311 | 63,971 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Circular11 | Notpla |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 46/100 | 61/100 |
| Traction | 42/100 | 57/100 |
| Team | 60/100 | 30/100 |
| Search visibility | 25/100 | 23/100 |
| Quality | 48/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (26/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 26/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Circular11 | Notpla |
|---|---|---|
| Hosting | Self Managed | Not detected |
| CDN | Not detected | Cloudflare |
| CMS | WordPress | Webflow |
| Frameworks | Jquery | Not detected |
| Analytics | Jetpack Stats | Google Analytics 4, Google Tag Manager |
| Support stack | Not detected | HubSpot |
What users say
| Measure | Circular11 | 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
Circular11 vs Notpla: common questions
Which is better, Circular11 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 20 data points above: read the rows that match what you are buying for.
How do Circular11 and Notpla compare on the numbers?
Notpla leads on our overall score (61/100 against 46/100), agent readiness (36/100 against 26/100), domain rating (72/100 against 26/100), headcount (106 against 9), funding raised ($25.0M against $2.9M), LinkedIn following (63,971 against 1,311).
What do real users say about Circular11 and Notpla?
Notpla: 4 positive and 0 negative mentions across 6 Reddit threads we track, mostly in r/RoyalsGossip.
Read the full Circular11 review and pricing or the Notpla review and pricing. You can also browse other Circular11 alternatives we track.