The sustainable architecture industry in the DACH region is rapidly evolving, with a strong focus on eco-friendly design practices and innovative building techniques. Companies range from traditional architecture firms to technology-driven startups specializing in energy-efficient solutions. They offer services including green building certifications, smart building technologies, and renewable energy integration. As regulatory pressures and public awareness of climate change intensify, the sector is witnessing a surge in investments and collaboration, pushing forward initiatives that promote sustainability. This growth reflects a shift toward reshaping urban environments into climate-resilient spaces, paving the way for a more sustainable future.


The investors highlighted in this list represent a mix of venture capital, private equity, and corporate investors, headquartered across major DACH cities like Zurich, Munich, and Berlin. Established primarily from 1847 to 2022, these firms vary in size, with employee counts ranging from small teams to large entities over 10,000. In 2024, they collectively recorded numerous deals, focusing on sustainable architecture and related technologies, which showcases their commitment to impactful investments that drive environmental progress in the built environment.


Top 14 Sustainable Architecture Investors in DACH


1. Partners Group

  • Website: partnersgroup.com
  • Type: Private Equity
  • Headquarters: Baar, Zug, Switzerland
  • Founded year: 1996
  • Headcount: 1001-5000
  • Number of deals in 2024: 19
  • LinkedIn: partners-group

Partners Group Holding AG is a prominent investment management firm based in Baar, Zug, Switzerland, specializing in private equity, private infrastructure, private real estate, and private debt. Founded in 1996, the firm manages over USD 149 billion in assets and is recognized for its innovative approach and commitment to sustainability. In recent years, Partners Group has made significant investments that align with sustainable architecture and infrastructure. For instance, their acquisition of Eteck, a company involved in the energy transition sector, highlights their focus on sustainable energy solutions. Additionally, their investment in GreenSquare Data Centers, aimed at enhancing AI and hyperscale data center capabilities in Australia, reflects a commitment to developing sustainable digital infrastructure. Furthermore, their acquisition of EdgeCore Digital Infrastructure, which includes plans for new data centers, underscores their role in advancing sustainable practices within the digital infrastructure landscape. These transactions demonstrate Partners Group's active engagement in sectors that contribute to sustainable architecture and infrastructure development.


2. Deutsche Bank

  • Website: db.com
  • Type: Corporate
  • Headquarters: Frankfurt, Hesse, Germany
  • Founded year: 1870
  • Headcount: 10001+
  • Number of deals in 2024: 32
  • LinkedIn: deutsche-bank

Deutsche Bank AG, founded in 1870 and headquartered in Frankfurt, Hesse, Germany, is a leading investment bank and financial services provider. With over 10,000 employees, it offers a wide range of solutions including investment banking, corporate banking, cash management, trade finance, and securities services. In recent years, Deutsche Bank has been involved in significant debt financing transactions that align with sustainable initiatives. For instance, it participated in the debt financing of Grasshopper Solar, which raised over $210 million for solar energy projects, and Origis Energy, which secured $750 million for renewable energy developments. These transactions highlight Deutsche Bank's role in supporting the transition to sustainable energy, which is a critical component of sustainable architecture.


3. Foundamental

  • Website: foundamental.com
  • Type: Venture Capital
  • Headquarters: Berlin, Berlin, Germany
  • Founded year: 2019
  • Headcount: 11-50
  • Number of deals in 2024: 7
  • LinkedIn: foundamental

Foundamental is a Berlin-based venture capital firm founded in 2019, specializing in the architecture, engineering, and construction (AEC) technology sectors. With a team size of 11-50, they provide early-stage funding and strategic support to startups, helping founders navigate the challenges of building their businesses. Their portfolio includes innovative companies focused on 3D design, construction, renovation, and supply chain logistics, primarily targeting businesses in the AEC industry. Notably, Foundamental has invested in Mighty Buildings, which raised a total of $40 million in Series B funding and $25.8 million in Series A funding, as well as $4 million in a Seed Round. Mighty Buildings is known for its sustainable construction methods using 3D printing technology, which aligns with sustainable architecture principles. Additionally, Foundamental has invested in Juno, which raised $20 million in Series A funding and $11 million in a Seed Round, further demonstrating their commitment to supporting innovative solutions in the AEC sector.


4. Demeter-Partners


Demeter-Partners is a corporate venture capital and private equity firm based in Berlin, Germany, founded in 2007. The firm specializes in investments that facilitate the energy and ecological transition, providing funding and strategic guidance to innovative startups and small to mid-cap companies. With a strong emphasis on sustainable development, Demeter-Partners manages a diverse portfolio aimed at promoting ecological solutions. Notable transactions include the acquisition of Naldeo Group, which focuses on energy efficiency, and investments in companies like Sunna Design, which develops solar-powered solutions, and Deepki, which specializes in data analytics for energy efficiency in buildings. These transactions highlight Demeter-Partners' commitment to supporting initiatives that align with sustainable architecture and ecological innovation.


5. Siemens

  • Website: siemens.com
  • Type: Corporate
  • Headquarters: Munich, Bavaria, Germany
  • Founded year: 1847
  • Headcount: 10001+
  • Number of deals in 2024: 11
  • LinkedIn: siemens

Siemens AG, founded in 1847 and headquartered in Munich, Bavaria, Germany, is a leading technology conglomerate with a workforce of approximately 320,000 employees. The company specializes in industrial automation, energy solutions, rail transport, and health technology, providing innovative products and services that enhance efficiency and sustainability across various sectors. In recent years, Siemens has made significant strides in the sustainable architecture domain through strategic acquisitions. Notably, the acquisition of Enlighted in 2018, a provider of smart IoT systems for buildings, underscores Siemens' commitment to digitalization and sustainability in the smart building sector. Furthermore, their acquisition of a 26% equity stake in Sunsole Renewables in 2021 highlights their investment in renewable energy solutions. Additionally, Siemens' recent grant to SOLshare in 2024 reflects their support for innovative energy solutions, further solidifying their role as a key player in promoting sustainable architecture.


6. Speedinvest

  • Website: speedinvest.com
  • Type: Venture Capital
  • Headquarters: Vienna, Vienna, Austria
  • Founded year: 2011
  • Headcount: 51-200
  • Number of deals in 2024: 45
  • LinkedIn: speedinvest

Speedinvest is a venture capital firm based in Vienna, Austria, founded in 2011. The firm specializes in funding early-stage tech startups across Europe, providing both capital and hands-on support to help these companies scale their operations. Their investment focus spans various technology sectors, including Deep Tech, Fintech, and SaaS. Notably, Speedinvest has made significant investments in companies like Purpose Green, a climate technology firm that raised €3.3M to enhance its team and expand its services, highlighting Speedinvest's engagement in sustainability. Additionally, they participated in a later funding round for Purpose Green, raising $15 million, further emphasizing their commitment to supporting climate-focused initiatives. While they also invest in mobility solutions like TIER Mobility, their involvement in Purpose Green positions them as a relevant player in the sustainable architecture and climate technology space.


7. Possible Ventures

  • Website: possible.ventures
  • Type: Venture Capital
  • Headquarters: Munich, Bavaria, Germany
  • Founded year: 2021
  • Headcount: 1-10
  • Number of deals in 2024: 9
  • LinkedIn: possible-vc

Possible Ventures is a venture capital firm based in Munich, Bavaria, Germany, founded in 2021. The firm focuses on innovative solutions that address pressing societal challenges. One of their notable investments is in Snaptrude, which raised $6.6 million in a seed round in January 2023, potentially contributing to advancements in architectural design technology. They also participated in Cosmic Aerospace's seed funding round, which raised $4.5 million in February 2024 for the development of an all-electric regional airplane, showcasing their commitment to sustainable transportation solutions. Additionally, Possible Ventures invested in ULUU, an Australian company focused on replacing plastics, which aligns with sustainability goals. Their diverse portfolio reflects a dedication to supporting companies that aim to create a positive environmental impact, making them a relevant player in the sustainable architecture space.


8. Holcim

  • Website: holcim.com
  • Type: Corporate
  • Headquarters: Zug, Zug, Switzerland
  • Founded year: 1912
  • Headcount: 10001+
  • Number of deals in 2024: 12
  • LinkedIn: lafargeholcim

Holcim is a leading building materials manufacturer based in Zug, Switzerland, specializing in innovative and sustainable construction solutions. Founded in 1912, the company has grown to employ over 10,000 people and is committed to decarbonizing building practices and promoting circular construction. Holcim offers a diverse range of products, including cement, aggregates, and ready-mix concrete, primarily serving construction companies and architects. In 2024, Holcim acquired ZinCo GmbH, a company known for its green roofing systems, to enhance its Solutions & Products business, aiming to increase this segment to 30% of its net sales by 2025. Additionally, Holcim's investment in Sublime Systems, which raised $75 million, indicates their interest in supporting innovative solutions in the construction industry. These strategic moves highlight Holcim's commitment to sustainable architecture and environmentally friendly materials.


9. Aenu

  • Website: aenu.com
  • Type: Venture Capital
  • Headquarters: Berlin, Berlin, Germany
  • Founded year: 2022
  • Headcount: 11-50
  • Number of deals in 2024: 9
  • LinkedIn: pirate-impact

Aenu is a venture capital firm based in Berlin, Germany, founded in 2022. The firm specializes in empowering climate tech founders by providing investment brokerage and advisory services, primarily targeting tech entrepreneurs who are addressing climate change and sustainability challenges in Europe. Aenu aims to drive systemic change in venture capital through intentional investments in impactful technologies. Notable transactions include their involvement in alcemy, which raised over $10 million in a Series A funding round, focusing on innovative construction materials that can enhance sustainability in architecture. Additionally, Aenu participated in Hometree's Series B funding, which raised $46 million and is dedicated to energy-efficient home solutions. These investments highlight Aenu's commitment to supporting companies that align with sustainable architecture principles.


10. Planet A Ventures

  • Website: planet-a.com
  • Type: Venture Capital
  • Headquarters: Berlin, Berlin, Germany
  • Founded year: 2020
  • Headcount: 11-50
  • Number of deals in 2024: 7
  • LinkedIn: planet-a

Planet A Ventures is a Berlin-based venture capital firm founded in 2020, dedicated to investing in green technology startups across Europe and Israel. The firm aims to support founders who are tackling significant environmental challenges through innovative solutions. Planet A not only provides financial investment but also offers mentorship and resources to help these startups scale effectively. Notable transactions include their participation in a seed round for The Landbanking Group, which raised €10.5 million, indicating their interest in sustainable land management and development. Additionally, they have invested in Optiml, a startup focused on optimizing resource use, which can have implications for sustainable architecture. These investments reflect Planet A's commitment to fostering sustainable practices within the built environment.


11. Siemens Financial Services


Siemens Financial Services, founded in 1997 and based in Munich, Bavaria, Germany, is a corporate investor that specializes in providing innovative financial solutions to support growth and efficiency across various sectors, including industry, infrastructure, mobility, and healthcare. In 2024, they have been involved in 15 investments, showcasing their active role in the market. Notably, they participated in significant transactions such as the $100 million debt financing for Onyx Renewable Partners and the $550 million debt financing for Clearway Energy Group, both of which are pivotal in the renewable energy sector. Additionally, their involvement in EIT InnoEnergy, a sustainable energy investor, highlights their commitment to fostering sustainable initiatives. These transactions reflect Siemens Financial Services' dedication to supporting projects that align with sustainability and digital transformation goals.


12. Andritz

  • Website: andritz.com
  • Type: Corporate
  • Headquarters: Graz, Styria, Austria
  • Founded year: 1892
  • Headcount: 10001+
  • Number of deals in 2024: 5
  • LinkedIn: andritz

Andritz AG is a technology provider based in Graz, Styria, Austria, specializing in industrial equipment and solutions across various sectors, including pulp and paper, metals, and energy. Founded in 1892, Andritz has a global presence and employs over 10,000 people. The company is dedicated to innovation and digitalization, aiming to enhance operational efficiency and sustainability for its business customers. Notable transactions include the acquisition of HMI Construction, which may contribute to construction efficiency, and Royal GMF-Gouda, a manufacturer of drying solutions, which can play a role in sustainable building practices. Additionally, the acquisition of Kempulp, specializing in process technologies for the chemical pulping industry, further emphasizes Andritz's commitment to sustainability in industrial processes. These transactions reflect Andritz's strategic focus on enhancing sustainability across its operations, making it a potential player in the sustainable architecture sector.


13. Technology Fund

  • Website: technologyfund.ch
  • Type: Corporate
  • Headquarters: Zurich, Zurich, Switzerland
  • Founded year: 2014
  • Headcount: 11-50
  • Number of deals in 2024: 8
  • LinkedIn: technology-fund

Technology Fund is a not-for-profit organization based in Zurich, Switzerland, founded in 2014. It specializes in providing loan guarantees to innovative companies focused on environmental sustainability, particularly in the cleantech sector. The fund aims to bridge the gap between startup funding and traditional loans, enabling businesses to develop and market their innovative products. Notable transactions include debt financing for Solaxess and TVP Solar, both of which are involved in sustainable technology solutions. Additionally, the fund has supported Neustark, which also aligns with sustainable practices. These investments highlight Technology Fund's commitment to fostering innovation in areas that contribute to environmental sustainability, making it a relevant player in the sustainable architecture space.


14. wienerberger

  • Website: wienerberger.com
  • Type: Corporate
  • Headquarters: Vienna, Vienna, Austria
  • Founded year: 1819
  • Headcount: 10001+
  • Number of deals in 2024: 2
  • LinkedIn: wienerberger

Wienerberger AG, founded in 1819 and based in Vienna, Austria, is a leading construction materials manufacturer specializing in bricks, roof tiles, and plastic pipes. The company serves construction businesses and contractors by providing innovative and sustainable building solutions. With a strong focus on ecological practices, Wienerberger aims to enhance the quality and efficiency of construction projects worldwide. In recent years, Wienerberger has made strategic acquisitions to strengthen its portfolio, including the acquisition of Terreal in January 2023, which enhances its offerings in sustainable building materials. Additionally, their investment in Exasun, which received €9 million in funding for a new PV assembly line, showcases their commitment to sustainable energy solutions, further solidifying their role in the sustainable architecture sector.



Sustainable Architecture Insights: Key Investors in DACH


InvestorHeadquarterSizeFoundedDeals 2024
Partners GroupBaar, Zug, Switzerland1001-5000199619
Deutsche BankFrankfurt, Hesse, Germany10001+187032
FoundamentalBerlin, Berlin, Germany11-5020197
Demeter-PartnersBerlin, Berlin, Germany11-5020070
SiemensMunich, Bavaria, Germany10001+184711
SpeedinvestVienna, Vienna, Austria51-200201145
Possible VenturesMunich, Bavaria, Germany1-1020219
HolcimZug, Zug, Switzerland10001+191212
AenuBerlin, Berlin, Germany11-5020229
Planet A VenturesBerlin, Berlin, Germany11-5020207
Siemens Financial ServicesMunich, Bavaria, Germany1001-5000199715
AndritzGraz, Styria, Austria10001+18925
Technology FundZurich, Zurich, Switzerland11-5020148
wienerbergerVienna, Vienna, Austria10001+18192


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