ElevenLabs

[London, UK, and New York City, USA][founded 2022][backed by Sequoia Capital, Andreessen Horowitz, ICONIQ Growth; venture-backed]elevenlabs.io

Founded in 2022 by Mati Staniszewski and Piotr Dabkowski, ElevenLabs is an AI audio research and product company headquartered in London with hubs in New York and Warsaw. It builds text-to-speech, speech-to-speech voice conversion, speech-to-text and conversational-agent products, and in February 2026 raised a $500M Series D led by Sequoia Capital at an $11B valuation. Its text-to-speech line runs from the January 2023 English v1 beta model through Multilingual v2, Turbo v2.5 and Flash v2.5 to Eleven v3, released in June 2025.