ELSA Corp.

Helps people speak English fluently and confidently using state-of-the-art AI technology

ELSA (English Language Speech Assistant) Corp. is a San Francisco-based startup with engineering offices in Lisbon, Portugal. Our vision is to enable everyone to speak foreign languages with full confidence, reaching better life and career opportunities.

Our flagship product, ELSA speak, is a personal mobile coach who improves our users' English pronunciation and intonation using phoneme and suprasegmental analysis of the user's speech signal. Our backend servers implement state-of-the-art speech recognition technology to pinpoint errors and give accurate and consistent feedback to our users on how to improve.