What Carbon8 does

Carbon8 Systems was a UK-based cleantech firm headquartered in Greenwich that developed decarbonisation technology for permanent CO2 capture and mineralisation, primarily targeting industrial and cement-sector applications. The company's core technology enabled carbon-negative concrete production by mineralising CO2 into construction materials, positioning it within the industrial carbon capture and utilisation market. Despite proprietary IP that subsequently attracted buyer interest, the company struggled with capital constraints, having disclosed only one small funding round of approximately $81,868 from EISMEA in 2019.

Founded in 2006, Carbon8 Systems operated with a small team — reduced to 11 employees prior to administration — and was led by CEO John Pilkington alongside co-founders Colin Hills (Technical Director) and Paula Carey (CTO and Managing Director), with Mark Orsbourn serving as Commercial Director. The company referenced global partnerships and prior commercial intent to scale its mineralisation technology, but no revenue figures, pricing structures, customer logos, or contractual details are publicly disclosed.

On November 12, 2025, Carbon8 Systems entered formal administration due to cash flow difficulties, with its main site and equipment closing and all remaining employees made redundant. The insolvency event reflects a failure of capital strategy and commercial scaling rather than a failure of underlying technology, as the company's IP continued to attract acquisition interest from potential buyers post-administration.

Name

Carbon8

Legal name

Carbon8 Systems

Website

https://carbon8.co.uk

Company type

Private

Founded year

2006

Operating status

Closed

Headcount range

11–50 employees

Short description

Carbon8 Systems was a UK-based cleantech firm developing proprietary CO2 capture and mineralisation technology for industrial decarbonisation and carbon-negative concrete production, primarily serving the cement sector.

Ownership category

akta.pro rank

Product category

Sustainable Construction Materials

akta.pro primary industry

Mineralization & Carbon-Cured Materials (In-situ/Ex-situ) (EUABAFAD)

akta.pro secondary industry

Low‑Carbon Cement, Concrete & Carbon‑Cured Building Materials (concrete curing/injection, cement substitutes, blocks) (EUABAIAF)

Keywords

• Carbon capture technology
• Industrial waste treatment
• Sustainable construction materials
• CO2 mineralisation
• Carbon-negative aggregates

Headquarters

HQ city

Kent

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Core offering

Carbon8 Systems developed and commercialised Accelerated Carbonation Technology (ACT), a process that permanently captures and mineralises CO2 into sustainable construction aggregates. The company operated UK-based factories producing carbon-negative building materials from industrial waste streams, providing carbon capture services, waste treatment, and manufactured aggregates (including the M-LS product line) to industrial, cement, and construction-sector customers worldwide.

Differentiator

Problem solved

Functional benefit

Products and services

• Carbon Capture Services (Accelerated Carbonation Technology) Carbon capture and permanent CO2 mineralisation service for industrial emitters, based on Accelerated Carbonation Technology that converts CO2 into stable mineral carbonates within manufactured aggregates.
• Sustainable Construction Aggregates (including M-LS) Manufactured carbon-negative construction aggregates (including the M-LS product line) produced by mineralising CO2 into waste-derived material, supplied to construction-sector buyers for use in concrete and building products.
• Industrial Waste Treatment Services Treatment service for industrial waste residues that converts them into input material for carbonated aggregates, providing waste management benefits to industrial waste producers.
• Permanent Carbon Removal Offtake Sale of verified permanent carbon removal credits via offtake agreements to corporate buyers seeking to meet net-zero targets.

Segments1 record

Ideal customer profiles2 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Administration (Insolvency Practitioners)minorOthers · 12 November 2025The company entered formal administration on November 12, 2025 due to cash flow difficulties. Insolvency practitioners were appointed to manage the wind-down of operations.

Scale indicators1 record

Recent moves3 records

Expansion highlights2 records

Direct peers

• CarbonCure Technologies: Canadian-headquartered company injecting CO2 into ready-mix concrete during production to mineralize it permanently; the closest direct competitor to Carbon8's CO2-into-aggregates mineralisation approach and serves a similar cement/concrete customer base.
• Blue Planet Systems: US company producing synthetic limestone aggregates from CO2 mineralization of waste streams; essentially the same product-offering overlap as Carbon8 (carbon-negative aggregates from industrial waste + CO2) and competes in the same mineralized aggregate niche.
• Solidia Technologies: US-headquartered company using CO2 curing for concrete products (blocks, pavers, precast); directly comparable to Carbon8's carbon-cured building material approach with overlapping technology and target customers in precast/concrete products.
• O.C.O Technology: UK-based operator running Accelerated Carbonation Technology across multiple UK plants producing carbon-negative aggregates and waste treatment services; the website content in the source data suggests this entity is closely related to or successor to Carbon8's technology.

Emerging players

• CarbonOrO: UK cleantech firm developing CO2-to-aggregate technology from waste feedstock; same geography and technology stack as Carbon8 and an emerging competitor in the UK mineralized aggregate space.
• Mineral Carbonation International (MinCO2): Australia-based research-focused initiative advancing mineral carbonation technologies including accelerated carbonation; comparable in technology domain though focused earlier-stage than Carbon8's commercial application.
• Cambridge Carbon Capture: UK-based emerging player developing carbon capture including mineralization approaches; an early-stage UK peer in the same space with partial technology and geographic overlap with Carbon8.

Broad incumbents

• Holcim Ltd: Global cement and aggregates major with broad decarbonization roadmap including lower-carbon concrete products and carbon capture pilots; a broad incumbent whose scale and balance sheet make it a likely acquirer profile for distressed mineralisation IP like Carbon8's.
• Heidelberg Materials: Global building materials major with carbon-neutral concrete initiatives and CCUS pilots (e.g., Brevik, ANRAV); a broad incumbent whose low-carbon cement strategy directly intersects with the carbonation-mineralized aggregate category Carbon8 occupied.
• CRH plc: Global building materials group with substantial aggregates and concrete product operations and growing low-carbon product portfolio; broad incumbent in the same supply chain where Carbon8's carbon-negative aggregates would compete.

Market position

Strengths3 records

Weaknesses4 records

Competitive moat1 record

Key risks6 records

Key highlights4 records

Customer concentration

• Xx.com/carbon8systems

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds1 record

Investors1 record

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 Carbon8