Swiss building materials company Holcim is increasingly in the spotlight of critical questions: Are previous efforts to develop low-CO₂ building materials sufficient to meet the requirements of a climate-neutral future? Investors, analysts, and industry observers doubt the speed and scope of the green transformation of the world's largest cement manufacturer. While the company emphasizes its sustainability strategy, regulatory requirements in the EU are simultaneously tightening and competitive pressure from technologically more ambitious competitors is increasing.
Holcim's sustainability strategy at a glance
Holcim has publicly committed to the climate goals of the Paris Agreement and pursues the goal of being climate-neutral by 2050. Interim targets include reducing CO₂ intensity in the cement business, with the company focusing on three core pillars: reducing the clinker content in cement, increased use of alternative fuels, and the development of low-carbon binders. This also includes investment in carbon capture technologies and the development of ECOPact, a product line for CO₂-reduced concrete.
Despite these initiatives, criticism persists: Clinker production, the most energy-intensive link in the cement value chain, still causes the majority of emissions. The substitution of clinker with alternative additives such as fly ash or blast furnace slag is limited – not least due to availability and regulatory requirements. At the same time, technological solutions for profound decarbonization are not yet available at industrial scale or economically viable.
Competitive comparison: How do Heidelberg Materials and others stack up?
In direct comparison with Heidelberg Materials, formerly HeidelbergCement, a differentiated picture emerges. Heidelberg Materials has also formulated ambitious climate goals and is investing heavily in carbon capture and storage projects (CCS), particularly in Norway and Sweden. The company already operates CCS pilot plants and plans to scale this technology at several European locations. While these projects are still in the demonstration phase, they signal a clear technological positioning.
Holcim, by contrast, focuses more on carbon capture and utilization (CCU), in which captured CO₂ is converted into building materials or synthetic fuels. This technology is less capital-intensive, but also less scalable and associated with greater uncertainties regarding long-term CO₂ balance. Among experts, the question of whether CCU truly contributes to climate neutrality at industrial scale is disputed.
Other competitors such as CEMEX and Heidelberg Materials are also focusing on expanding hydrogen use in cement kilns. Hydrogen could long-term replace fossil fuels and thus reduce process-related emissions. While Holcim has announced pilot projects in this area, it remains behind the momentum of some competitors. This could affect competitiveness in markets where regulatory incentives for climate-neutral production are increasing.
Technological roadmap: Hydrogen, carbon capture, and alternative binders
Holcim's technological roadmap includes multiple parallel development paths, which, however, are at different stages of maturity. Carbon capture technologies are central to the long-term strategy, but implementation requires high investments and functioning CO₂ transport and storage infrastructure. To date, much of Europe lacks the necessary pipelines and storage facilities, which delays the scaling of this technology.
Hydrogen-based fuels theoretically offer an attractive solution, but the availability of green hydrogen is currently limited and costs are high. Holcim has launched pilot projects in this area, but has not communicated binding expansion plans comparable to those of Heidelberg Materials or CEMEX. For buyers and planners, this raises the question of whether Holcim can provide competitively priced climate-neutral products in the medium term if regulatory requirements increase.
Alternative binders, such as those based on calcined clays or geopolymer cement types, are also in the focus of research. These materials could further reduce clinker content while maintaining the strength and durability of concrete. However, the approval and standardization of such new binders is a lengthy process governed by national and European standards. The market readiness of these technologies lies years in the future, which limits Holcim's short-term room for maneuver.
Regulatory pressure: EU taxonomy, carbon border adjustment, and emissions trading
The European Union is continuously tightening the regulatory framework. With the EU taxonomy for sustainable investment, the carbon border adjustment mechanism (CBAM), and the reform of the emissions trading system (ETS), requirements for building materials manufacturers are increasing. CBAM will make imported building materials with high CO₂ emissions more expensive and thus shift competition in favor of low-emission products. For Holcim, this means: Without substantial progress in decarbonization, there is a risk of competitive disadvantages on the European market.
The ETS reform additionally tightens the cost structure. The free allocation of emission certificates will be gradually reduced, increasing production costs for conventional cement. Companies that invest early in low-emission technologies will benefit in the medium term. Holcim must demonstrate here that announced investments are sufficient to offset cost increases while securing market access in regulated markets.
The EU taxonomy also sets clear thresholds for the CO₂ intensity of building materials. Investors and institutional clients are increasingly orienting themselves according to these criteria when selecting suppliers. For Holcim, this means additional pressure to provide transparent and substantive sustainability reports and to continuously improve the carbon footprint of its products.
Investor expectations: ESG criteria and long-term competitiveness
Institutional investors have significantly tightened their ESG requirements in recent years. For building materials manufacturers like Holcim, this means that not only financial metrics but also the credibility and ambition of the sustainability strategy are evaluated. Shareholders are increasingly questioning whether announced measures are sufficient to actually achieve climate goals or whether they merely serve as greenwashing.
Criticism is particularly directed at the speed of transformation. While some competitors are already implementing concrete CCS projects at industrial scale, Holcim remains relatively reserved in its communication. This could give investors the impression that the company is falling behind expectations. The consequence: higher investment risk and possibly a lower stock market valuation compared to competitors offering more credible decarbonization pathways.
For buyers and operators in the construction industry, Holcim's long-term competitiveness is also important. Should the company fall behind in decarbonization, this could affect the availability of climate-neutral building materials and negatively impact the cost structure of construction projects. Especially in public tenders that increasingly take sustainability criteria into account, Holcim could then fall behind.
Conclusion: Ambition alone is not enough
Holcim's sustainability strategy is ambitiously formulated, but implementation is increasingly being put to the test. Compared to competitors like Heidelberg Materials, it lacks concrete, scalable projects in key technologies such as CCS and hydrogen. The regulatory pressure from the EU and rising investor expectations are further intensifying the situation. For the building materials industry, this means: The course for a climate-neutral future is being set now – and those who come too late not only lose market share but also the trust of customers, investors, and regulators.
The coming years will show whether Holcim can actually implement the announced green transformation or whether the company will fall further behind under competitive and regulatory pressure. For buyers and planners, it remains crucial to closely monitor developments and consider alternative suppliers who can demonstrate more credible decarbonization pathways.
