Berlin-based AI voice agent startup Solda.AI has raised a $4m seed round led by Accel, with participation from US private equity firm AltaIR Capital.
AI “agents” — apps using large language models (LLMs) to automate complicated tasks without a human in the loop — have taken the VC world by storm, with European startups in the sector scooping up €827m in Q1 of this year alone, according to Sifted data.
Solda.AI has developed AI voice agents to handle sales calls over the phone, with the aim of helping companies boost efficiency. The startup says its AI agents can manage the full range of conversations with a customer — from the first interaction to closing a deal — with the ability to handle 100 simultaneous phone lines at peak hours.
The agents replicate human voices and conversational flow, a crucial advantage given research shows customers are twice as likely to trust a human voice over a more obviously AI-generated voice. Solda.AI’s agents can also speak in multiple languages, including English, Spanish, Portuguese, French and German.
“When we first met Sergey and the Solda.AI team, we were blown away by the AI voice agents’ human-like attributes and ability to not only handle complex conversations, but also close deals on the spot,” Zhenya Loginov, partner at Accel, said in a press release.
Founded in 2023 by serial entrepreneur Sergey Shalaev, the startup’s voice agents have so far been integrated into over 20 enterprises’ telesales operations, including consumer and SME-focused tbi bank, hair and beauty platform Treatwell and banking and investment app VividMoney.
The company says it generated $7m in incremental revenue for its clients in 2024, with the aim of increasing that to $30m this year.
Solda.AI is remote-first, with 38 employees spread across Munich, Berlin Amsterdam and London, according to LinkedIn data.
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