Heirloom vs South Pole
Heirloom vs South Pole, compared side by side on 16 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: Heirloom is on 45/100 and South Pole on 63/100.
Where each one leads
Heirloom
- funding raised: $162M against $20.0M
South Pole
- our overall score: 63/100 against 45/100
- domain rating: 76/100 against 68/100
- headcount: 839 against 100
At a glance
| Measure | Heirloom | South Pole |
|---|---|---|
| What it is | Direct air capture startup using limestone to remove CO2 from the atmosphere at scale. | Global climate solutions provider helping organizations achieve net-zero emissions. |
| Category | Climate Tech, Carbon Removal, Direct Air Capture, Cleantech | Climate Tech, Sustainability, Carbon Credits, Energy Transition |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Services |
| Founded | 2020 | 2006 |
| Headquarters | Brisbane, United States | Zurich, Switzerland |
| Status | Active | Active |
Size, funding and growth
| Measure | Heirloom | South Pole |
|---|---|---|
| Employees | 100 | 839 |
| Headcount growthLast 12 months | Not published | -9.6% |
| Total funding | $162M | $20.0M |
| Latest round | Series B | Corporate Round |
| LinkedIn followers | Not published | 160,775 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Heirloom | South Pole |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 45/100 | 63/100 |
| Traction | 60/100 | 57/100 |
| Team | Not published | 70/100 |
| Search visibility | 12/100 | 33/100 |
| Quality | 55/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | D (46/100) |
| Domain ratingLink authority, 0-100 | 68/100 | 76/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Heirloom | South Pole |
|---|---|---|
| Hosting | Not detected | Google Cloud |
| CDN | Cloudflare | Not detected |
| CMS | Webflow | Not detected |
| Analytics | Not detected | Google Tag Manager |
Heirloom vs South Pole: common questions
Which is better, Heirloom or South Pole?
On our 0-100 score South Pole rates higher (63/100 against 45/100). 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 16 data points above: read the rows that match what you are buying for.
How do Heirloom and South Pole compare on the numbers?
Heirloom leads on funding raised ($162M against $20.0M). South Pole leads on our overall score (63/100 against 45/100), domain rating (76/100 against 68/100), headcount (839 against 100).
Read the full Heirloom review and pricing or the South Pole review and pricing. You can also browse other Heirloom alternatives we track.