Optimuse, a Vienna, Austria-based deep-tech startup providing AI-driven building simulation and optimization, has raised €4 million in a Seed round. 

Investors 

The round was led by seed + speed Ventures and Blum Ventures, along with existing investors Matterwave Ventures and Gründungsfonds. 

seed + speed Ventures is a Berlin-based specialized venture capital firm. Founded in 2016, the firm focuses on empowering early-stage software startups in the DACH region (Germany, Austria, and Switzerland). It invests primarily in B2B (Business-to-Business) software solutions at the Pre-Seed and Seed stages. 

Blum Ventures is the corporate venture capital (CVC) arm of the Austrian industrial company Blum Group, a furniture fittings producer. The firm invests in Seed to Series A stage companies, particularly in the DACH region, the UK, and the Nordics. 

Optimuse Use of Funds 

The company will use the funding to accelerate international growth and expand distribution of its AI platform for sustainable building design and renovation. 

About Optimuse 

Founded in 2021 by Dominik Pezzei, Fabian Pitscheider, and Felix Maximilian Hofer, Optimuse is an AI-driven building design platform designed to make construction smarter, cheaper, and greener. The company uses AI to simulate and optimise heating, cooling, and building envelope systems early in the planning process. By creating realistic digital building models from existing plans, Optimuse can compare thousands of variants and recommend optimized solutions for both new construction and renovation projects.

Funding Details 

Company: Optimuse GmbH 

Raised: €4.0M 

Round: Seed 

Funding Date: October 2025 

Lead Investors: seed + speed Ventures, Blum Ventures 

Additional Investors: Matterwave Ventures, Gründungsfonds 

Company Website: https://www.optimuse.com/  

Software Category: AI / Building Simulation & Sustainability Tech 

Source: https://tech.eu/2025/10/01/optimuse-raises-eur4m-to-make-building-design-smarter-cheaper-and-greener/