Sipfront, a Vienna, Austria–based startup specializing in monitoring and quality assurance for telecommunications networks, has raised €1.8 million in a Seed round.
Investors
The round was co-led by existing investor tecnet equity and new international investor Airbridge Equity Partners, with participation from business angels Gernot Singer, Jan Trionow, and Markus Buchner.
tecnet equity is an equity investor focusing on early-stage companies in Austria, with approximately €50 million under management. The firm finances young technology companies and businesses with innovative ideas through venture capital. Its support extends beyond financial investment: with personal commitment, an international network, and many years of experience, tecnet accompanies its portfolio companies on their path to success.
Airbridge Equity Partners is an Amsterdam-based venture capital firm providing growth capital and strategic support to technology-driven companies across Europe. Founded in 2017, the firm invests in Seed, Series A, and Series B rounds, focusing on B2B and B2C software, SaaS, digital marketplaces, and AI-driven solutions. Headquartered in the Netherlands, Airbridge is active across the DACH region, Benelux, the UK, and the Nordics.
Sipfront Use of Funds
The funding will be used to strengthen Sipfront’s enterprise-focused voice AI solutions and further develop automated quality assurance technologies.
About Sipfront
Led by CEO Andreas Granig, Sipfront focuses on automated testing and monitoring of telecommunications infrastructure and voice AI systems. The company provides a platform that allows network operators and enterprises to simulate millions of calls and interactions, ensuring voice quality, connection security, and the accuracy of AI-driven communication flows. Headquartered in Vienna, Austria, Sipfront serves telecom operators and Voice AI providers such as Parloa, NFON, and Cloudtalk.
Funding Details
Company: Sipfront GmbH
Raised: €1.8M
Round: Seed
Funding Date: January 2026
Lead Investors: Airbridge Equity Partners, tecnet equity
Additional Investors: Gernot Singer, Jan Trionow, Markus Buchner
Company Website: https://sipfront.com/
Software Category: AI / Voice AI / Test Automation
Source: https://tecnet.at/en/news/sipfront-investment