What Ecocem Ireland does

Ecocem Ireland Limited, founded in 2003 and headquartered in Dublin, is a private cement manufacturer specialising in low-carbon alternatives to ordinary Portland cement. Its core technology platform is ACT (Advanced Cement Technology), a blended cement that reduces CO2 emissions by up to 70% by cutting clinker content by up to 70 percent. Supporting products include Ecocem GGBS (ground granulated blastfurnace slag) and Ecocem CEM III/A blastfurnace cement for European specifications, plus ACT I, a ternary blended cement certified under ASTM C1157 in August 2025 for the U.S. market.

The company sells its products through direct enterprise field sales to construction companies, developers, architects, and engineering firms, supplemented by in-house Continuing Professional Development training for Irish engineers and architects, and by partnerships with major construction materials multinationals for broader European and global reach. Public-sector procurement is a significant channel: the Irish government has mandated green procurement requirements for low-carbon cement, and Ecocem is positioning as a preferred supplier for public infrastructure projects, with reference projects including the Aviva Stadium (40% GGBS, ~4,000 tonnes CO2 saved), Howth Harbour geotechnical works, and Earlsfort Terrace (LEED Gold at 50% GGBS inclusion).

Ecocem is venture-backed (€22.5M from Breakthrough Energy Ventures in 2021) and is currently executing a €220M European expansion programme through 2030, anchored by a €50M flagship ACT production facility in Dunkirk, France (commercial operation planned for late 2026) and €170M for four additional French production lines. Regulatory milestones include ETA 23-0877 from Cerema, EAD 150080-00-301 in December 2025 enabling CE marking across the EU, ASTM C1157 in August 2025 enabling U.S. entry, and a proposed 775,000-tonne-per-year Terminal and Milling Operation at the Port of Los Angeles. The company operates across at least seven European countries plus the U.S., employs 101-250 people, and has cumulatively enabled ~18 million tonnes of CO2 savings.

Name

Ecocem Ireland

Legal name

Ecocem Ireland Limited

Website

https://ecocem.ie

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

101–250 employees

Short description

Ecocem Ireland is a private, Dublin-headquartered cement manufacturer founded in 2003 that produces low-carbon cement alternatives — including its proprietary ACT technology, GGBS, and CEM III/A — for construction firms, developers, and public-sector infrastructure projects across Europe and the United States.

Ownership category

akta.pro rank

Product category

Low-Carbon Cement Manufacturing

NAICS

Cement Manufacturing (327310)

SIC

Cement, Hydraulic (3241)

akta.pro primary industry

Cement Manufacturing (Portland, Blended & Specialty) (IMADAAAG)

akta.pro secondary industry

Cementitious Binders & Additives (Fly Ash, Slag, Silica Fume, Lime) (IMADAAAH)

Keywords

• Low-carbon cement
• Ground granulated slag
• Supplementary cementitious materials
• Blended cement products
• Cement decarbonisation

Headquarters

HQ city

Dublin

HQ country

Ireland

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Low-Carbon Cement Products: Manufacturing and selling proprietary low-carbon cement products (ACT technology, GGBS, CEM III/A) to construction companies, developers, and public sector projects. Revenue is generated through product sales to construction firms and material suppliers on major infrastructure and building projects.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Ecocem Ireland manufactures and supplies low-carbon cement products based on its proprietary ACT (Advanced Cement Technology) platform. The company sells supplementary cementitious materials, including Ground Granulated Blastfurnace Slag (GGBS) and CEM III/A blastfurnace cement, that replace a portion of traditional Portland cement clinker and reduce CO2 emissions by up to 70% compared with conventional cement. Products are supplied to construction firms, developers, engineering practices, and public sector projects across Europe and the United States.

Product overview

Ecocem Ireland offers a portfolio of low-carbon cement products and technologies. The core offering centers on ACT (Advanced Cement Technology) platform, a breakthrough technology reducing CO2 emissions by up to 70%. Supporting the ACT platform are traditional products including Ecocem GGBS (Ground Granulated Blastfurnace Slag) and Ecocem CEM III/A blastfurnace cement. The company also offers ACT I, a ternary blended cement specifically developed for the U.S. market. These products work together as a comprehensive low-carbon cement solution range spanning Europe and North America.

Differentiator

Problem solved

Functional benefit

Brands

• ACT: Advanced Cement Technology - breakthrough low-carbon cement technology that reduces CO2 emissions by up to 70%
• Ecocem GGBS
• Ecocem CEM III/A

Products and services

• Ecocem GGBS Ground Granulated Blastfurnace Slag (GGBS) is a supplementary cementitious material used as a partial replacement for Portland cement clinker in concrete mixes, reducing the carbon footprint while maintaining performance specifications. Sold to construction companies, developers, and engineering firms for sustainable building and infrastructure projects.
• Ecocem CEM III/A CEM III/A is a low-heat, sulfate-resistant blastfurnace cement containing slag that provides enhanced durability and reduced CO2 emissions compared with ordinary Portland cement. Sold to construction firms and developers for use in demanding structural and marine applications.
• ACT Technology ACT (Advanced Cement Technology) is Ecocem's breakthrough low-carbon cement technology platform that reduces CO2 emissions by up to 70% compared with traditional cements by cutting clinker content by up to 70%. The platform received European regulatory clearance under EAD 150080-00-301 and is being deployed across Europe via a EUR50 million production facility in Dunkirk, France.
• ACT I Ternary Blended Cement ACT I is a ternary blended cement certified under ASTM C1157, designed for the U.S. market to reduce carbon emissions and energy use while maintaining performance, durability, and reliability. Targeted at construction companies, developers, and public infrastructure projects in North America.

Quantifiable outcome

• Up to 70% CO2 reduction compared to traditional cement
• +5 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered core.

• Tata Steel IJmuidencoreStrategic or Co-development Partner · 12 May 2026Tata Steel IJmuiden (TSIJ) and Ecocem signed a Memorandum of Understanding (MoU) to strengthen collaboration on the development and potential use of two next-generation steelmaking slags in low-carbon cement, mortar, and concrete applications across Europe.
• Cairn, UCD, KilsarancoreStrategic or Co-development Partner · 1 January 2026Consortium partnership with Cairn (construction company), University College Dublin (academic research), and Kilsaran (construction materials) to develop and validate innovative low-carbon cement solutions for the Irish construction sector.
• Materials Science Advisory CouncilcoreStrategic or Co-development Partner · 28 November 2025Ecocem formed a Materials Science Advisory Council composed of 11 materials scientists from leading global institutions to guide research priorities and accelerate adoption of lower-emission cement and concrete worldwide. The council is expected to issue its first annual guidance within the next year.

Scale indicators11 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• Holcim: One of the world's largest cement and aggregates producers, with a broad low-carbon cement portfolio (ECOPlanet, TectorGreen) targeting similar regulatory-driven demand. Holcim is a broad incumbent operating globally across construction materials, overlapping with Ecocem's customer base and competitive set.
• Heidelberg Materials: Major European-headquartered cement and aggregates multinational with a stated path to net-zero concrete and scaled low-carbon cement products. Direct overlap with Ecocem in European ready-mix and cement markets, with significantly larger production capacity and distribution.
• CEMEX: Global cement and ready-mix concrete major with low-carbon cement products (Vertua) and CCUS investments. Competitor in European and US markets where Ecocem is scaling, with far larger balance sheet and customer reach.
• CRH: Irish-headquartered building materials leader with vertically integrated cement, aggregates, and ready-mix operations across Europe and North America. Particularly relevant peer given Irish market overlap, large-scale low-carbon cement initiatives, and customer base.

Emerging players

• Brimstone (CarbonCure / Brimstone): US-based startup producing carbon-negative Portland cement from calcium silicate using industrial by-products, targeting the same low-carbon cement regulatory tailwinds as Ecocem. Direct emerging peer in the decarbonised cement category with overlapping investor interest (Breakthrough Energy Ventures portfolio).
• Sublime Systems: MIT spin-out developing low-carbon cement using electrochemistry to produce supplementary cementitious materials. Emerging peer in decarbonised cement with similar go-to-market through construction and infrastructure channels.
• Solidia Technologies: US-based company developing CO2-cured concrete and low-carbon cement technologies for the construction industry. Comparable in targeting low-carbon cement certification and supply to large construction projects, though with a different technical approach.
• CarbonCure Technologies: Canada-based company that injects CO2 into ready-mix concrete, with broad adoption across North American concrete producers. Adjacent peer in low-carbon concrete value chain, serving similar construction and infrastructure customers seeking decarbonisation.

Regional players

• Kilsaran: Irish construction materials manufacturer and Ecocem's consortium partner (with Cairn and UCD) on a Construct Innovate-funded low-carbon cement project. Regional peer competing in the Irish market but now collaborating rather than competing on low-carbon cement development.

Others

• Tata Steel (IJmuiden): Steel major and supplier of blast-furnace slag / next-generation steelmaking slags, recently signing an MoU with Ecocem. Supplier partner rather than direct competitor, but directly tied to Ecocem's raw material strategy.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/ecocem
• Facebookfacebook.com/Ecocem
• LinkedInlinkedin.com/company/ecocem

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Ecocem Ireland