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Inside alcemy

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alcemy employees at a construction site

Together, we decarbonize the concrete value chain.
Not tomorrow. Today.

Our story

Our story

The cement and concrete industry plays a key role in the global efforts to decarbonize and fight the climate crisis. Concrete, the most widely used material after water, is and will remain an irreplaceable building material. At alcemy, our vision is to empower cement and concrete manufacturers with technology to successfully make this transition to a carbon-neutral industry and become global pioneers of sustainability.

Why alcemy

Our founders came together with the belief that sustainable construction and cement production didn't have to mean additional skyrocketing costs for producers. Their desire to make a positive contribution to the environment has united Leo and Robert from the very beginning, despite or precisely because of their different professional backgrounds.

alcemy founder Robert and Leopold

Leopold Spenner (r.) carries cement and concrete in his heart. The family business Spenner has been producing the building material for almost 100 years. In his childhood, he spent much of his free time in his parents' cement plant. He soon realized that decarbonization would be the greatest challenge for his family's company and indeed the entire industry.

Dr. Robert Meyer (l.) has a PhD in neuroinformatics and then built the machine learning team at Flixbus. He brings technical know-how in the field of data science and AI, and has significantly developed predictive quality control for cement and concrete plants.

Leopold Spenner (r.) carries cement and concrete in his heart. The family business Spenner has been producing the building material for almost 100 years. In his childhood, he spent a large part of his free time at his parents' cement plant. He soon became aware that decarbonization would be the greatest challenge for his family's company and indeed the entire industry.

Dr. Robert Meyer (l.) has a PhD in Neuroinformatics and then built the Machine Learning team at Flixbus. He brings the technical know-how in the field of Data Science and AI and has significantly developed the predictive quality control for the cement or concrete plants.

Leopold Spenner (r.) carries cement and concrete in his heart. The family business Spenner has been producing the building material for almost 100 years. In his childhood, he spent a great deal of his free time at his parents' cement plant. He soon became aware that decarbonization would be the greatest challenge for his family's business and indeed the entire industry.

Dr. Robert Meyer (l.) has a PhD in neuroinformatics and then built the machine learning team at Flixbus. He brings the technical know-how in the field of data science and AI, and has significantly developed predictive quality control for cement or ready-mix concrete plants.

Our Story in Numbers

Our Story in numbers

Our Story in numbers

The cement and concrete industry accounts for 2.8 gigatons of CO2 worldwide. That is 8% of global CO2 emissions.

In close collaboration with our customers, we aim to save at least 100 million tons of CO2 in cement and concrete every year by 2030 from entering the atmosphere.

alcemy's products are now in use in 1/3 of all German cement plants and over 30 ready-mix concrete plants.

Until the end of 2023, alcemy was active outside of Germany in six other countries and is already making a significant contribution to global decarbonization.

Until the end of 2023, alcemy was active outside of Germany in six other countries and is already making a significant contribution to global decarbonization.

Until the end of 2023, alcemy was active outside of Germany in six other countries and is already making a significant contribution to global decarbonization.

Four of our customers have or are in the process of applying for a new generation of cement, CEM X, which is an absolute game-changer in terms of clinker efficiency and CO2 reduction.

Our board

Our board

Dr. Martin Schneider

Dr. Martin Schneider
CEO at the German Cement Association (VDZ)

Prof. Dr. Haist

Prof. Dr.-Ing. Michael Haist
Professor at the Institute for Building Materials at Leibniz University Hannover.

Eckhard Bohlmann

Dipl.-Ing. Eckard Bohlmann
Former Head of Research and Innovation at Heidelberg Materials

Our sustainability initiative in the construction and real estate industry

Our sustainability initiative in the construction and real estate industry

The network for the pioneers in building with sustainable concrete

Sustainable Concrete Leaders

The network for pioneers in building with sustainable concrete

Sustainable concretes are not yet a standard in construction. To change this and to support project developers as well as construction companies, we have launched the Sustainable Concrete Leaders. A network of companies, who are willing to use sustainable concretes in their construction projects.

Learn more

Our investors

Our investors

AENU
AENU
AENU
Bitstone Capital
Bitstone Capital
Bitstone Capital
Entrepreneur First
Entrepreneur First
Entrepreneur First
Climate-KIC
ER Capital
ER Capital
firstminute capital
firstminute capital
Galvanize
Galvanize
Galvanize
La Famiglia
La Famiglia
Local Globe
Local Globe
Momeni
Momeni
Momeni

Memberships

Memberships

DBV
DGNB
DGNB
DGNB
Bundesverband Digitales Bauwesen
Bundesverband Digitales Bauwesen
Bundesverband Digitales Bauwesen
GPTI
Startup Verband
Startup Verband
Startup Verband
KI Bundesverband
KI Bundesverband
KI Bundesverband
ZIA
ZIA
ZIA


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