ElevenLabs 

ElevenLabs works on AI research and products that change how people talk to technology. Their tagline is transforming how we interact with technology through AI research and products. ElevenAgents is for business voice and chat agents. ElevenCreative helps people make and edit speech, music, image and video in 70+ languages. ElevenAPI gives developers access to their audio models. They say they made an early human-like AI voice model, then added dubbing, transcription, music, sound effects and speech-to-speech. The page says they serve millions of users and companies such as Harvey, Deutsche Telekom and Meta. They started in 2022 and are based in London. The site is elevenlabs.io.