DeepL
Category: Natural Language Processing
An AI company that provides highly accurate machine translation technology for text, documents, and real-time voice communications. DeepL was founded in 2017. The company is led by Jaroslaw Kutylowski. Based in Cologne, Germany. Team size: 500+. Total funding raised: $415 million. Latest round: Venture Round - $300 million. Key investors include Index Ventures, ICONIQ Growth, Teachers’ Venture Growth, IVP, Atomico.
- Founded
- 2017
- Headquarters
- Cologne, Germany
- Team size
- 500+
- Total funding
- $415 million
Value proposition
Delivers highly accurate and nuanced translations that outperform general-purpose models, with a strong focus on data privacy and security for business-critical applications.
Products and solutions
DeepL Translator, DeepL Pro (for businesses and developers), DeepL API, DeepL Write (writing assistant), DeepL Voice (real-time speech-to-text translation), DeepL Voice for Meetings, DeepL Voice for Conversations
Unique value
Develops proprietary large language models and neural network architectures specifically optimized for translation, rather than adapting general-purpose models. This specialization results in higher accuracy and better handling of linguistic nuance.
Target customer
Primarily B2B customers, including enterprises, governments, and other organizations requiring high-quality, secure multilingual communication. Also serves individual professionals.
Industries served
Technology, Legal, Media, Education, Transportation
Technology advantage
Leverages extensive, curated datasets from its origins with Linguee, combined with a specialized AI model architecture and human editor feedback, to achieve superior translation quality.
How they differentiate
DeepL differentiates through superior accuracy from its specialized models, a focus on enterprise-grade security and privacy, and innovative features tailored for professional use cases.
Main competitors
Google Translate, Microsoft Translator, OpenAI (GPT-based translation)
Key partnerships
Microsoft (for Teams integration), Zendesk, Coursera, AWS Marketplace, Bechtle
Notable customers
Zendesk, Nikkei, Coursera, Deutsche Bahn
Major milestones
Raised a $300 million funding round at a $2 billion valuation (May 2024), Opened its first U.S. office in Austin, Texas (January 2024), Named to TIME's list of the 100 Most Influential Companies (2023), Achieved unicorn status with a valuation of over $1 billion (January 2023), Launched DeepL Voice voice-to-voice translation suite (April 2026), Acquired Mixhalo for live-event audio streaming and translation (June 2026), Reportedly targeting 2026 IPO at up to $5B valuation
Growth metrics
Serves over 100,000 businesses and organizations worldwide. A 2024 Forrester study reported that DeepL delivered a 345% ROI for global companies.
Market positioning
A premium leader in the B2B machine translation market, positioning itself as the high-quality alternative to the broader, more consumer-focused offerings from tech giants.
Geographic focus
Global, with a strong presence in Europe and a strategic expansion into the United States. Opened Bay Area office via Mixhalo acquisition (June 2026).
Patents and IP
Proprietary model architecture and datasets constitute valuable intellectual property, though specific patents are not publicly listed.
About Jaroslaw Kutylowski
Jaroslaw Kutylowski is the founder and CEO of DeepL. He has a PhD in computer science and has been leading the company since its inception in 2017.
More Natural Language Processing companies
Official website: https://www.deepl.com/