Prague has been a rapidly modernising engine of innovation. The Czech capital has transformed into the Green Heart of Central Europe, becoming a critical hub for Climate Tech and ESG solutions. Driven by a strong industrial heritage and a new generation of founders committed to the EU Green Deal, the city is producing startups that are as pragmatic as they are ambitious.
Prague’s green ecosystem places a strong emphasis on hardware, circular economy logistics, and decarbonization in heavy industry. From robotic weeding systems to digital waste marketplaces, these founders are engineering the physical changes needed to reach net-zero.
Here are the 10 Climate and ESG startups in Prague you need to watch in 2026.
Woltair
Decarbonising residential heating is one of Europe’s significant challenges, and Woltair is addressing the logistical bottleneck that hinders adoption. Founded by Daniel Helcl, Karel Náprstek, and Jiří Švéda, the platform serves as a digital contractor connecting homeowners with heat pump and photovoltaic installations. They streamline the messy process of subsidies, hardware procurement, and installation scheduling. Having secured a massive €20.5 million Series A led by The Westly Group, they are the digital backbone accelerating the switch from gas to renewables across the Czech Republic, Germany, and Italy.
Cyrkl
One company’s trash is another company’s raw material, and Cyrkl uses technology to make that exchange profitable. Led by Cyril Klepek, this B2B digital marketplace connects waste producers with recyclers using machine learning algorithms to match materials. They help industrial giants like IKEA and Škoda Auto find secondary uses for their waste streams, effectively closing the loop on circularity. By turning waste disposal costs into revenue streams, Cyrkl is proving that the circular economy is a profitable business model rather than just a CSR initiative.
MIWA (Minimum Waste)
Single-use packaging is a scourge on retail, but MIWA has developed a technology-heavy solution to facilitate bulk shopping at scale. Founder Petr Báča created a system of smart, reusable capsules that enable retailers like Nestlé and Aldi to dispense products hygienically without the need for disposable packaging. Their technology tracks the inventory and sanitisation cycle of every capsule, removing the logistical friction that usually stops supermarkets from adopting zero-waste aisles. It represents a shift from recycling to pre-cycling, preventing waste before it is even created.
Flowbox
Smart cities require intelligent solutions, and Flowbox provides the software intelligence to manage energy flows in complex environments. Their platform integrates with sensors, HVAC systems, and solar panels to optimise energy consumption automatically in real-time for factories, office buildings, and shopping malls. Recognised as a top innovator in the energy space, their autonomous energy manager enables real estate owners to significantly reduce their carbon footprint and operational costs without manual intervention, a critical tool as energy prices remain volatile.
Refork
When the EU banned single-use plastics, the market was flooded with soggy paper straws and flimsy wooden forks. Refork, founded by Josef Dvořáček, took a material science approach to fix this. They developed a proprietary material blend using wood flour, a byproduct of furniture manufacturing, and natural binders. The result is biodegradable cutlery that is actually durable and pleasant to use. By keeping manufacturing local and utilising waste byproducts, they offer a sustainable alternative that doesn’t compromise on the user experience.
Agdata
Agriculture is a significant emitter, but data-driven efficiency can significantly reduce its impact. Agdata is the leading farm management software in the region, currently used by thousands of Czech farmers to digitise their operations. Founders Jiří Musil and Lukáš Musil built a system that uses telematics and hyper-local weather sensors to monitor machinery and soil quality. By enabling precision farming, they help farmers reduce fertiliser and fuel usage, aligning profit with environmental stewardship and ensuring regulatory compliance.
Knihobot
The book industry creates massive waste with pulped returns and unread copies. Knihobot, led by Dominik Gazdoš, has reinvented the second-hand book market by solving the logistics of re-commerce. They removed the friction of selling used books: they pick them up, photograph them, list them, and pay the seller once they are sold. It sounds simple, but their execution has turned them into a circular economy juggernaut, saving millions of books from landfills and proving that the second-hand market can scale efficiently if the user experience is seamless.
Ullmanna
Organic farming is labour-intensive, especially when it comes to weeding. Ullmanna builds AI-powered robotic machinery that can identify and remove weeds in sugar beet and vegetable fields without the use of chemicals. Their Manuela machine utilises advanced computer vision to instantly distinguish crops from weeds, enabling farmers to scale organic production without the high cost of manual labour or the environmental damage associated with herbicides. It is a prime example of how deep tech is revitalising traditional agriculture.
Snuggs
Linda Šejdová and Tomáš Koníček founded Snuggs to disrupt the femtech and personal hygiene market with high-tech textiles. Their period-proof underwear replaces thousands of disposable tampons and pads per user lifetime. Through slick D2C marketing and a focus on textile innovation using a proprietary nanofiber layer, they have built a brand that resonates with the eco-conscious Gen Z consumer across Europe. They have successfully normalised reusable hygiene products, turning a niche eco-product into a mainstream essential.
Rekola
Before the massive VC-backed scooter giants arrived, Rekola was already building a sustainable bike-sharing network. Founder Vítek Ježek began with old, repainted bikes and an SMS lock system, evolving it into a sophisticated mobility platform deeply integrated into Prague’s transportation infrastructure. Unlike venture-backed competitors that often litter sidewalks, Rekola collaborates closely with the city to ensure sustainable and orderly urban mobility. Their data-sharing partnerships with municipalities demonstrate that local knowledge and community integration ultimately prevail over brute-force capital.