Mantel

Mantel is a company leveraging a molten-borate carbon capture technology. From its funding announcement.

$18M StrategicRaised 48 days agoCambridge, USAEnergy & ClimateUSA
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In their own words

What Mantel says it is doing

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Public signal Described in the funding announcement as "company leveraging a molten-borate carbon capture technology". Source

Market expansionResearch and developmentCommercial growthInfrastructureEuropean expansion

Public signal Read from the company's own description of what the funding supports.

Why now

Where Mantel is today

Mantel announced a funding round of $18M on 25 August 2026.

Latest round
Strategic
Amount
$18M
Announced
25 August 2026
Headquarters
Cambridge, USA
Sector
Energy & Climate
Growth stage
Growth
Investors
Not stated
Also participating
Not stated
Relevant leadership
CEO Cameron Halliday

Momentum AfterRaise intelligence

AfterRaise Score

58
Steady growth
1 funding signal in the last 90 days
Funding recency
34/40
announced within the last 60 days
Round scale
12/25
round size relative to the market
Funding stage
12/20
Strategic
Funding cadence
0/15
one funding event tracked this year
Arriving with the signals layer
  • Hiring momentum Open roles and hiring pace
  • Market expansion New offices and new countries
  • Leadership Executive appointments
  • Product activity Launches and releases

Since the raise

What has happened since

  • 25 August 2026
    $18M Strategic
    Investors not stated in the announcement.

Public signal The timeline currently holds funding events, because those are the signals AfterRaise observes today. Hiring, leadership, expansion and product events join it with the signals layer.

What may happen next

What this raise could create

AfterRaise intelligenceNot a statement of fact

What may happen next

  • European market entry
  • New market entry
  • First local hires in the new market
  • Local entity and legal setup

Opportunities this could create

  • Grid and utility partnerships
  • Field operations
  • Industrial partnerships
  • Market-entry advisers
  • Local employment infrastructure

Based on the Energy & Climate sector, a Growth round and the priorities the company itself set out. Not a statement of fact.

High momentum6 connected signals
  • 25 August 2026$18M Strategic announced
  • 25 August 2026Stated priority: market expansion
  • 25 August 2026Stated priority: research and development
  • 25 August 2026Stated priority: commercial growth
  • 25 August 2026Stated priority: infrastructure
  • 25 August 2026Stated intent: european expansion AfterRaise intelligence

High momentum means several meaningful company changes have occurred in a short period. Signals here are funding events and the priorities the company stated; hiring, leadership and expansion detection join with the signals layer.

Open to

What Mantel is open to

Not yet specified

Mantel has not told AfterRaise which approaches it welcomes. Until it does, we do not assume. Offers to help are held and shown to the company, and the company decides whether to open a conversation.

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Opportunities

Ways to work with Mantel

No open opportunities listed

Jobs, projects, partnerships, advisory and supplier needs appear here once the company has claimed its page and published them, and any role we read from its own job board appears automatically.

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Helpful contributors

People who have contributed here

Nobody yet

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Also moving

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