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Arbio, headquartered in Berlin, Germany, is building an AI-native property management platform for short-term rentals across Europe. It currently manages over 1,000 apartments and operates real properties in Berlin, Hamburg, Vienna, and Leipzig, with plans to expand to additional European cities. The company has raised a $36 million Series A funding and maintains an engineering team of five engineers. Arbio’s platform uses AI to observe, decide, and act on real-world property operations with humans in the loop, enabling AI-assisted management of short-term rental properties across Europe.

The company aims to make building affordable by leveraging AI to analyze blueprints. It focuses on building computer vision object detection models and coordinating these models, with an emphasis on ML and algorithm development. The company states it prioritizes the intelligence side (ML and algorithms) over the application side. Backed by investors who have funded PlanGrid, Dropbox, and Airbnb, it has strong backing. It is part of Y Combinator's Winter 2025 batch (YCW25).

Catio is an Architecture IDE that serves as a control plane for modern software systems, operating at the intersection of AI, infrastructure, and enterprise systems. The platform builds a living model of production systems and aligns business goals with technical reality, enabling organizations to bridge the gap between strategy and implementation. Catio generates decision-grade insights, modernization and optimization plans, and execution-ready feature specs, effectively creating a system of work for architectural reasoning in the modern software stack. Backed by leading venture firms Eniac Ventures and RRE, along with operators from companies like Databricks, Dropbox, Akamai, and Cerner, Catio is defining a new category in software and infrastructure.