From Zurich Warehouse to Global Stage: How One Entrepreneur is Redefining ClimaTech

In a converted industrial space off Birmensdorferstrasse in Wiedikon, a quiet revolution is underway. Over the past three years, ClimaCross—a cleantech startup focused on carbon capture and industrial emissions reduction—has grown from a two-person operation into a company employing 47 people, with offices now spanning Zurich, Berlin, and Singapore.

The company's rise reflects a broader momentum in Zurich's innovation ecosystem. According to data from the Zurich Innovation Forum, the city attracted CHF 2.8 billion in venture capital last year, a 23 per cent increase from 2024. ClimaCross itself closed a Series B funding round in April, securing CHF 34 million—a milestone that underscores investor confidence in Swiss climate solutions.

What distinguishes ClimaCross from the dozens of green-tech startups scattered across Zurich's neighbourhoods is its focus on retrofitting existing industrial infrastructure rather than building systems from scratch. The approach has resonated with energy-intensive manufacturers across Europe, particularly in Switzerland's pharmaceutical and chemical sectors.

The company's emergence also reflects a deliberate shift in Zurich's startup culture. While the city has long been associated with fintech—concentrated around Paradeplatz and Lake Zurich's digital quarter—innovation hubs like Sihlcity and the ETH spin-off community are increasingly drawing founders interested in climate, health tech, and advanced materials.

Beyond individual company successes, the broader ecosystem is maturing. The Zurich Cleantech Cluster, backed by the city's economic development office, now hosts monthly networking events at Kraftwerk Zurich in Wiedikon, bringing together founders, corporate partners, and institutional investors. Last month's gathering drew over 200 participants—a stark contrast to the handful who attended similar events five years ago.

Real estate remains a challenge. Premium office space in central Zurich can exceed CHF 800 per square metre annually, pushing many early-stage teams to the city's outer districts. Yet this geographical shift has inadvertently fostered community. Wiedikon and Altstetten have emerged as affordable alternatives, with shared workspace now available at CHF 400–600 per month—rates that allow founders to stretch runway and reinvest in product development.

As Zurich positions itself alongside established innovation hubs like San Francisco and Copenhagen, companies like ClimaCross exemplify what's possible when world-class engineering talent, regulatory stability, and capital converge. For local entrepreneurs and investors watching the space, the momentum is unmistakable.

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