The twin transition, which combines green and digital innovation in economic activities, is increasingly central to policy agendas and is also receiving growing attention in regional research. It is directly related to the concept of the bioeconomy. However, accurately mapping green, digital and twin (both green and digital) economic activities across regions remains challenging, particularly due to data constraints. In this study, we advance this research frontier and present a geographic analysis of digital, green and twin economic activities in Germany, using a web-mined dataset of website texts from 678,381 firms, collected through web scraping in 2023. By processing over 44 million text paragraphs from these websites and applying a cosine similarity filter with green and AI-related terms, we filtered firms that are likely engaged in green, digital and twin activities. Based on this subset, 1437 text paragraphs were manually annotated to fine-tune two transformer models within a SetFit framework, accurately classifying firms as green, digital or both. We aggregate this firm-level data into hexagonal cells to reveal the geographic concentration of the twin transition in Germany. The final map shows a higher number of firms involved in green activities, widely spread across Germany, while AI activities are concentrated in urban centres. We identify 23,819 firms engaged in both green and digital activities, with major hubs like Berlin and Munich leading, and peripheral regions potentially being left behind. Our findings offer critical insights into the geography of the twin transition and highlight the need for policies that address potentially induced spatial inequalities. 

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Further details on data processing are provided in the corresponding publication, where the regional dataset is also available for download. We hope that interested parties will use this data to answer a wide range of open research questions on the green and digital twin transition. Please cite the paper when using the data.

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Kriesch, L., Abbasiharofteh, M., & Losacker, S. (2025). The geography of digital and green (twin) firms in Germany. Regional Studies, Regional Science, 12(1), 513–516.

https://doi.org/10.1080/21681376.2025.2510679​​

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The data explorer below (available in desktop view) enables all three levels (green, digital & twin companies) to be zoomed in and viewed in detail, allowing the (twin) transitions in different regions and cities in Germany to be explored.