What Carbonaide does

Carbonaide Oy is a Finnish climate-tech company, spun out of VTT Technical Research Centre of Finland in 2022, that sells CO2 curing systems and a cloud-based service platform enabling concrete manufacturers to permanently mineralize carbon dioxide into their products during the curing phase. The company's core offering combines hardware — gas-tight curing chambers, CO2 storage tanks, evaporators, and an intelligent gas flow control system — with the Carbonaide Service Platform, which performs real-time monitoring of carbon storage, batch-level production tracking, and automated integration with Isometric for carbon credit issuance. Customers achieve a 20% reduction in cement usage, ~5% faster curing, and approximately -65% lower emissions, while storing up to 100 kg of CO2 per cubic meter of concrete and converting concrete from a carbon source into a carbon sink.

The business model rests on three revenue streams: hardware sales (capex, multi-year contracts) for the curing system, cloud platform subscription/licensing (pay-as-you-go scaled to CO2 volume processed), and CO2 processing fees, supplemented by Carbonaide Credits — certified carbon credits monetized via Klimate.co and other marketplaces. Go-to-market is enterprise field sales targeting concrete manufacturers and element producers, augmented by channel partnerships with Elematic (precast equipment, global reach) and direct partnerships with concrete producers such as Rakennusbetoni- ja Elementti Oy, Lakan Betoni Oy, and Lipa-Betoni. The company operates from Joensuu (HQ/R&D), Helsinki, Hollola (pilot factory), and Stockholm (Scandinavian sales), with biogenic CO2 supplied through an ecosystem including Vantaa Energy, Auris Energia, Suomen Biovoima, NeoCarbon, and Soletair Power.

As of early 2026, Carbonaide is in early commercial scale-up: technology became commercially ready in 2024, the first full-scale factory at Lakan Betoni's Joensuu site opened in March 2026, and consumer products (Lakka IKI paving stones) launched in K-Rauta hardware stores across Finland the same month. The company has raised approximately €5.5M in equity across a 2023 seed round and a January 2026 funding round, plus non-dilutive EU and Business Finland grants, and holds an issued patent on its CO2 carbonation process with two additional pending applications covering activation technology and system architecture.

Name

Carbonaide

Legal name

Carbonaide Oy

Website

https://carbonaide.com

Company type

Private

Founded year

2022

Operating status

Operating

Headcount range

1–10 employees

Short description

Carbonaide Oy is a Finnish climate-tech company that sells CO2 curing hardware and a cloud monitoring platform enabling concrete manufacturers to mineralize carbon dioxide into products, reducing cement use 20% and generating certified carbon credits, with deployments across Finland and expansion into broader Europe.

Ownership category

akta.pro rank

Product category

CO2 Curing Systems for Carbon-Negative Concrete

NAICS

Cement and Concrete Product Manufacturing (3273)

akta.pro primary industry

Carbon‑Based Carbon Materials (graphite, carbon black, CNTs, graphene from CO₂/CO) (EUABAIAG)

Keywords

• CO2 curing systems
• Carbon-negative concrete
• Concrete manufacturing solutions
• Carbon mineralization technology
• Verified carbon removal credits

Headquarters

HQ city

Joensuu

HQ country

Finland

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Hardware Sales: Sale of CO₂ curing hardware systems to concrete producers
2. Platform Subscription & Licensing: Cloud platform subscription for monitoring and managing CO₂ curing operations
3. CO₂ Processing Fees: Usage-based fees tied to CO2 volume processed through the platform

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Carbonaide provides an integrated CO2 curing system that injects and mineralizes carbon dioxide into precast and ready-mix concrete during the curing phase, permanently storing CO2 as stable carbonates while reducing cement content. The offering combines patented curing hardware, a cloud-based Service Platform for monitoring and carbon-credit issuance, lifecycle support (Carbonaide Care), and verified Carbonaide Credits for the voluntary carbon market.

Product overview

Carbonaide offers a modular solution portfolio for carbon-negative concrete production. The core offering consists of the Carbonaide CO₂ Curing System (automated hardware for CO₂ mineralization during concrete curing) combined with the Carbonaide Service Platform (cloud-based software for CO₂ flow management, real-time measurement, and carbon credit issuance). These are complemented by Carbonaide Care (lifecycle support services) and Carbonaide Credits (carbon credit certification and management). The integrated system enables concrete manufacturers to reduce cement usage, accelerate curing, improve product quality, and permanently store CO₂ as carbonate minerals while generating verifiable carbon credits.

Differentiator

Problem solved

Functional benefit

Brands

• Lakka IKI: Low-carbon paving stones manufactured by Lakan Betoni using Carbonaide's CO2 curing technology, sold through K-Rauta hardware stores in Finland. The products have approximately 50% smaller carbon footprint than traditional concrete stones.
• Carbonaide Credits

Products and services

• Carbonaide CO2 Curing System Automated CO2 curing hardware system for concrete manufacturers that injects and mineralizes carbon dioxide into concrete products during the curing phase, permanently storing CO2 as stable carbonates. Includes hardware modules, gas-tight curing chambers, CO2 storage tanks, evaporators, and intelligent flow control technology. Designed for precast and ready-mix concrete producers seeking to reduce cement use and produce carbon-negative concrete.
• Carbonaide Service Platform Cloud-based software platform providing smart CO2 flow management, real-time measurement of carbon storage, batch-level production data tracking, and automated carbon credit issuance through integration with certification services. Designed for concrete manufacturers using Carbonaide's curing system who need monitoring, reporting, and certification integration.
• Carbonaide Care Comprehensive lifecycle support service for Carbonaide systems covering setup, installation, ongoing maintenance, and optimization. Provided to concrete manufacturer customers to ensure smooth and reliable operation of curing hardware across the asset lifecycle.
• Carbonaide Credits Isometric-certified carbon credits representing permanent CO2 mineralization in Carbonaide-cured concrete products. Enables concrete manufacturers to monetize verified carbon storage and offer carbon-negative products to corporate buyers in voluntary carbon markets.

Quantifiable outcome

• 20% cement reduction
• +3 more outcomes

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature4 records

Partnerships

Eight partnerships are on record, tiered core, major and minor.

• Rakennusbetoni- ja Elementti OycoreStrategic or Co-development PartnerFirst customer and technology installation partner for Carbonaide's CO₂ curing system, implementing the technology at their concrete production facility
• Lakan Betoni OycoreStrategic or Co-development PartnerFinnish concrete producer customer and technology installation partner, deploying Carbonaide's CO₂ curing system for carbon-negative concrete
• Lipa-BetonicoreStrategic or Co-development PartnerFinnish concrete producer customer and technology installation partner for Carbonaide's carbonation technology
• ElematicmajorStrategic or Co-development PartnerCommercial partnership for precast concrete market, integrating Carbonaide's CO₂ curing technology with precast concrete production systems
• NeoCarbonmajorTechnology or IntegrationDAC (Direct Air Capture) partnership for CO₂ storage in concrete, providing carbon capture technology integration
• IsometricmajorStrategic or Co-development PartnerCarbon credit certification partner, providing third-party verification and certification of carbon storage in concrete products
• BofortminorOthersCryogenic ISO tank leasing partnership for secure transport and storage of CO₂
• Klimate.cominorGTM or Marketing PartnerCarbon removal marketplace partnership for selling certified carbon removal credits from concrete mineralisation

Scale indicators3 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Solidia Technologies: Develops CO2-cured concrete products using a similar mineralization approach to Carbonaide's. Targets both precast and ready-mix segments; comparable technology approach but different curing chemistry and execution history.
• CarbonCure Technologies: Canada-based company injecting CO2 into ready-mix concrete during production to permanently mineralize carbon. Most direct competitor to Carbonaide with overlapping technology approach, target customer base (concrete producers), and carbon credit monetization strategy; significantly more capital raised and broader geographic footprint.

Broad incumbents

• Holcim: One of the world's largest building materials companies with ECOPact low-carbon concrete and proprietary CO2-mineralization research programs. Represents both a potential customer/partner for Carbonaide and a competitor if it scales its own ECOCycle / carbonation technologies.
• Heidelberg Materials: Global major cement and concrete producer with extensive sustainability programs including CO2-cured concrete pilots (evocrad, Carbon2BusinessAalen). Large-scale incumbent with internal R&D competing against Carbonaide's specialized curing technology.
• Cemex: Global building materials leader with Vertua low-carbon concrete portfolio and significant investments in CO2 reduction. Major potential customer base for Carbonaide's curing technology and competitor via internal sustainability programs.

Emerging players

• Sublime Systems: US-based startup producing carbon-negative cement using electrochemical processes without limestone calcination. Targets the upstream cement supply chain that Carbonaide ultimately serves; comparable venture-backed deep-tech decarbonization profile for the concrete value chain.
• Carbon Upcycling Technologies: Canadian company using captured CO2 to produce supplementary cementitious materials and concrete additives. Addresses similar decarbonization problem in the concrete industry with a different technical approach (CO2 utilization in supplementary materials vs. curing). Comparable early-stage profile and B2B concrete industry focus.
• CarbonOrO: Emerging carbon-negative concrete technology company focused on CO2 utilization in cement and concrete products. Overlaps with Carbonaide on end-market (concrete producers seeking carbon-negative products) and on carbon credit monetization potential.
• Brimstone: California-based startup making carbon-negative Portland cement from calcium silicate rather than limestone. Adjacent decarbonization play in the same concrete value chain that Carbonaide serves; similar early-stage scale and Silicon Valley-style venture backing.

Others

• Elematic: Finland-based global leader in precast concrete production technology and equipment. Strategic channel partner of Carbonaide (May 2025) integrating CO2 curing into precast lines; comparable in concrete-industry footprint though not a direct competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights6 records

Customer concentration

• Xx.com/Carbonaide
• LinkedInlinkedin.com/company/carbonaide
• Instagraminstagram.com/carbonaide

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds2 records

Investors8 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Carbonaide