# How Sumitomo Corporation uses DeepL

**more than half**: “Multilingual translation processes that previously took several business days have now been reduced by more than half”

As published on [deepl.com](https://www.deepl.com/en/customer-stories/sumitomo-corporation), August 2026. Captured by usedby on 2026-10-07.

- Company: [Sumitomo Corporation](https://www.usedby.ai/companies/sumitomo-corporation.md)
- Tool: [DeepL](https://www.usedby.ai/tools/deepl.md)
- Teams: IT Planning & Promotion Department, Corporate Communications Department, Infrastructure System Team No.2
- Customer since (as the page says): Sumitomo Corporation formally launched its company-wide DeepL deployment project in 2025.

## What the story says

Sumitomo Corporation rolled out DeepL company-wide to translate documents, including full PDF and PowerPoint files with layouts preserved, and to keep terminology consistent through glossaries. Employees create draft translations internally and outsource only the final checks of official external documents.

Summary written by usedby from the source page, in English. The figures are those of DeepL and Sumitomo Corporation, not ours.

> Multilingual translation processes that previously took several business days have now been reduced by more than half, and the burden on native-language reviewers has also decreased significantly.

- **more than 90%**: “In a company-wide survey conducted after the start of operations, more than 90% of users said they were satisfied with the platform.”
- **More than 80%**: “More than 80% of respondents said translation tools were necessary for their work, and DeepL was the tool they most wanted to use.”

> Multilingual translation processes that previously took several business days have now been reduced by more than half, and the burden on native-language reviewers has also decreased significantly.
>
> Kazuaki Asada, Infrastructure System Team No.2, IT Planning & Promotion Department

## What usedby checked

We compared the story with its live page on 2026-10-07.

- Checked: the figure more than half is printed word for word on the page, near the name of Sumitomo Corporation.
- Checked: the passage quoted above is copied word for word from the page, near the name of Sumitomo Corporation.
- Checked: the publication date is read from the page’s own metadata, never guessed.
- Checked: Sumitomo Corporation uses DeepL. Confirmed line. Latest check across sources: 2026-10-07.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/sumitomo-corporation-deepl · How we check: https://www.usedby.ai/methodology