viboo, a Switzerland-based building automation software company, has raised €3.3 million in Seed funding.
Investors
The round was led by Realyze Ventures, with participation from Zürcher Kantonalbank and other new and existing investors.
Realyze Ventures is a European venture capital firm based in Cologne, Germany, focused on driving the sustainable and digital transformation of the built environment. Founded in 2023, it specializes in investing in early-stage and growth-stage startups across Europe that provide technology-driven solutions for the real estate, construction, and skilled trades sectors.
viboo Use of Funds
The funding will support expansion into the German market and also drive the platform’s evolution from a dedicated energy management solution to a comprehensive building management system, adding features such as individual heating cost billing.
About viboo
Founded by Felix Bünning, viboo has developed a cloud-based building management system that can be retrofitted easily and wirelessly connects with common IoT devices, such as smart thermostats, in commercial buildings. Its AI learns heating patterns and proactively controls them, delivering savings without sacrificing comfort, with low upfront costs and a fast ROI. Headquartered in Dübendorf, Switzerland, the solution is already deployed in more than 100 buildings.
Funding Details
Company: Viboo AG
Raised: €3.3M
Round: Seed
Funding Date: September 2025
Lead Investor: Realyze Ventures
Additional Investors: Zürcher Kantonalbank, other new and existing investors
Company Website: https://viboo.io/
Software Category: Building Management / Energy Efficiency / AI IoT
Source: https://tech.eu/2025/10/01/swiss-based-viboo-raises-eur33m-for-german-market-entry/