The founders sold a quick-commerce empire for a reported $1.5 billion. Now they're betting they can solve Europe's housing crisis—one legged robot at a time.
All3, a Swiss construction robotics venture, announced on April 29, 2026 it has raised $25 million in seed funding led by RTP Global. SuperSeed, Begin Capital, s16vc, and VNV Global joined the round, wagering that automation might finally crack one of construction's most stubborn problems: building homes faster and cheaper without sacrificing quality.
For a startup barely three years old, the bet is ambitious. All3 wants to deploy a fleet of autonomous robots called Mantis on German construction sites later this year, part of a broader push to industrialize an industry that has resisted wholesale transformation for decades.
The funding will fuel research and development operations in London and Belgrade while supporting initial commercial deployments. But perhaps more than the founders expected, the investment also reflects a broader shift in venture appetite—toward "physical AI" applications that move beyond software into the messy, unpredictable realm of the real world.
Building blocks: Software, factories, and walking machines
All3's pitch rests on integration. Rather than automating a single step in the construction process, the company has built what it describes as an end-to-end system spanning three layers: an AI-powered design platform, robotic factories producing custom structural timber components, and Mantis itself—an autonomous legged robot engineered specifically for on-site assembly.
The Mantis design choice is telling. On paper, a wheeled robot might seem simpler. But construction sites are chaos—uneven terrain, shifting materials, mud after rain. All3 opted for legs, a platform the company says can handle roughly 100 kilograms of payload and reach about four meters. Whether that's enough for real-world job sites remains to be seen.
The startup has committed to structural timber composites as its core material, a choice that aligns with Europe's push toward lower-carbon building methods. All3 claims its integrated approach can deliver up to 30% cost reduction, timelines shortened by as much as 50%, and embodied carbon lowered by roughly a quarter compared to conventional methods. Those figures haven't been independently audited—a caveat worth noting as the startup moves from controlled environments to actual projects.
Germany's housing crunch as a laboratory
All3 has already run more than 100,000 square meters of residential projects through its AI design software, building what it calls a construction pipeline for 2026 and 2027 in Germany. The company's first building is slated to break ground there later in 2026, though exact timing remains fluid.
The German market isn't arbitrary. Last July, All3 established a subsidiary in Berlin and appointed Wulf von Borzyskowski as managing director. The move came as Germany grapples with a widening gap between housing ambitions and reality. The government has set a target of 400,000 new homes annually; projections from the ifo Institute, though, suggest completions could fall to around 175,000 to 185,000 in 2026. That's a shortfall measured in hundreds of thousands of families.
It's the kind of crisis that opens doors for unconventional solutions. Whether robotics is that solution—or merely a expensive detour—depends on execution. Jelmer de Jong, a partner at RTP Global, joined All3's board with the investment, a signal the firm intends to stay close as the company scales.
Serial entrepreneurs return, this time with timber and robots
Rodion Shishkov and Slava Bocharov, All3's co-founders, bring an unusual pedigree to construction. The duo previously built Samokat, a Russian quick-commerce company that reportedly sold for $1.5 billion. Quick commerce and construction robotics don't obviously overlap, but both demand complex logistics and operational discipline at scale.
The pair disclosed $30 million in founder funding for All3 last year, bringing total disclosed capital to at least $55 million. That's a substantial personal commitment—and suggests confidence the model can work.
For SuperSeed, the investment marks the first from its Fund III. Partner Mads Jensen pointed to "physical AI" applications in industries like construction as a core thesis, part of a broader venture trend toward backing startups that blend artificial intelligence with robotics, manufacturing, and physical infrastructure.
All3 now operates across Berlin, Zug, London, and Belgrade. The company has filed patents for its positioning system in the United States, European Union, and United Kingdom, while awaiting certification for its CLT-panel connectors from Germany's Deutsches Institut für Bautechnik, a key regulatory hurdle for deployment.
A growing field, with cautious optimism
The construction robotics space has attracted increasing capital, though success stories remain scattered. Monumental, a Dutch startup focused on bricklaying automation, raised $25 million in February 2024. ICON, a U.S.-based company developing 3D-printed construction platforms, secured $56 million in February 2025. The investments signal interest; proven business models at scale are still scarce.
Construction has famously lagged other industries in productivity gains. Whether robots—legged or otherwise—can change that trajectory depends on navigating a thicket of regulatory approval, contractor adoption, and plain old physics. All3's founders have built and sold a billion-dollar company before. The harder question is whether construction, with all its entrenched interests and site-level complexity, will prove as amenable to disruption as last-mile delivery.
The answer should start becoming clear on German job sites sometime in the coming months.
