Deepl

What It Does

DeepL is a neural machine translation service. It translates text and documents between dozens of languages and offers a paid API and business tier with features like glossaries, formality control, and document translation that preserves formatting. It is a general-purpose translation tool, not a legal-specific product, but law firms and legal teams use it for cross-border document review, foreign-language correspondence, and translating contracts and filings. The vendor publishes integrations with Microsoft 365, Google Workspace, Salesforce, Zendesk, and design tools.

What We Found

DeepL is a German company based in Cologne, founded in 2017 by Jaroslaw Kutylowski. It raised a $300M Series C in May 2024 at a reported $2B valuation. Headcount sits in the low thousands as of mid-2026. It is widely cited as producing more natural output than general-purpose translators for European language pairs, which is the main reason legal users reach for it.

What We Haven’t Verified

• Whether the published integrations work as described — we haven’t tested them.
• Suitability for privileged or confidential legal material: DeepL Pro states data is not used for training, but firms should confirm against their own data-handling rules.
• Any legal-domain accuracy claims. DeepL is a general translator, not trained specifically on legal text.

Company Info

• Sector: Legal Tech (general translation tool used in legal workflows)
• Founded: 2017
• HQ: Cologne, Germany