AI-assisted localization services, reviewed by human experts

Machine speed. Expert judgement.

Send up to 2,500 words of your own content. Judge a free, no‑obligation test translation before you commit.

  • Up to 70%faster than a traditional agency
  • Up to 50%cheaper than a traditional agency
AI draft
Expert review
Years in localization
20+
Projects delivered
60,000+
Language pairs
150+
EU servers, files deleted within 7 days of project completion
EU

Hourglass localization services at a glance

Hourglass OÜ is a localization company based in Tallinn, Estonia (EU) that delivers AI-assisted translation reviewed by human experts in 150+ language pairs, up to 70% faster and up to 50% cheaper than a traditional agency, for organizations that need multilingual content, including language service providers.

Hourglass has more than 20 years of experience in localization and has completed 60,000+ projects across 150+ language pairs. The service is often called machine translation post-editing (MTPE): AI produces the draft, a human expert reviews it.

Hourglass quotes every project individually, based on language pair, volume and content complexity, and offers a free, no-obligation test translation of up to 10 standard pages (2,500 words) on your own content.

Hourglass stores client files on EU servers (Hetzner data centre, Frankfurt), carries out AI translation on EU servers only, and permanently deletes files no later than 7 days after project completion. Hourglass works with XLIFF, SDLXLIFF and MQXLIFF files from CAT tools and leaves locked segments untouched.

Capabilities

What every project includes

Large projects, short timelines

Large multilingual projects are routine: in our case study, a website of 100 pages per language for 4 regions was delivered in 6 business days.

Multi-pass workflow

Layered AI passes work on context, tone and terminology before a human expert reviews the draft.

Your terminology and style

Your terminology, tone of voice and style guide are applied to every project.

XLIFF and CAT support

We work directly in XLIFF, SDLXLIFF and MQXLIFF. Files are validated before delivery and go straight back into your CAT tool, so your translation memory stays intact.

GDPR compliance

Files are stored on EU servers in line with the GDPR and permanently deleted no later than 7 days after project completion. Client content is never used to train AI models.

Pricing

Quoted per project. Tested for free first.

Every quote is based on three things: language pair, volume and content complexity.

Your quote

Response within 24 hours on business days

Send us your content and target languages, and we will come back with a quote for your project.

Try it first

Free test: up to 10 pages (2,500 words)

No obligation. See the quality on your own content before you commit.

Request a quote

Case study

Case study: large volume, short timeline.

Website localization: 4 regions, 100 pages per language, 6 business days instead of 20.

Hourglass OÜ localized a manufacturing company’s website for 4 regions, 100 pages per language, in 6 business days instead of 20 and at half the cost of a traditional agency.

Turnaround time

Traditional agency20 business days
Hourglass6 business days−70%

Total cost

Traditional agency100%
Hourglass50%−50%

Client

A manufacturing company expanding into 4 international regions

Goal

Complete website localization for 4 regions, accurate and in less time than a traditional agency would need

Comparison based on Hourglass’s 20 years of experience with traditional agency workflows and rates.

Workflow

Works inside your existing CAT tool workflow.

Keep your CAT tool and your process. Send us XLIFF, SDLXLIFF or MQXLIFF files and get them back translated with your glossary and style guide applied and reviewed by a human expert. Locked segments are left untouched, and your translation memory stays intact. If you prefer to edit the AI draft yourself, you can do so free of charge in Hourglass’s professional post-editing environment: your edits are saved automatically and applied to your future projects.

  • XLIFF, SDLXLIFF, MQXLIFF
  • Locked segments left untouched
  • Free post-editing environment
  • EU servers, processing in line with the GDPR

Try it first

Free test: up to 10 pages (2,500 words)

On your own content, no obligation

Get a free test translation
SourceAI draftExpert review
Press the start button.Drücken Sie die Starttaste.Drücken Sie die Starttaste.
Allow 30 seconds for the update.Warten Sie 30 Sekunden auf das Update.Planen Sie für das Update 30 Sekunden ein.
© 2026 Example GmbHLocked, untouched
Illustrative example: how segments appear in your CAT tool

What clients say about Hourglass

Results in our clients’ words

A four-hundred-page website project came back flawless, and cost half of what we’d budgeted, in a fraction of the time.

Elīna JākobsoneCo-founder, Ozols marketing agency

Ten times faster and 80% less expensive than a conventional translation process, exactly what we needed for a large internal document set.

Uģis Higo Glazītis-ĀbeltiņšStrategic advisor, AA Āboltiņa clinic

FAQ

Localization and AI translation: common questions

How is Hourglass different from a traditional translation agency?

A traditional agency typically has human translators produce the first draft. At Hourglass OÜ, AI produces the draft in layered passes that apply your glossary, tone of voice and style guide, and a human expert reviews it before delivery. The result is typically a shorter turnaround at lower cost: in our case study, a four-region website project was delivered in 6 business days instead of 20, at half the cost.

Is Hourglass a GDPR-compliant translation service, and where is my data processed?

Hourglass OÜ is registered in Tallinn, Estonia (EU). Client files are stored on EU servers in the Hetzner data centre in Frankfurt, Germany, in line with the GDPR, and permanently deleted no later than 7 days after project completion. AI translation runs on EU servers only. Client content is never used to train AI models.

Can Hourglass work with our existing CAT tools?

Yes. Hourglass supports XLIFF, SDLXLIFF and MQXLIFF and leaves locked segments untouched, so your translation memory and existing workflow stay intact.

Who is Hourglass for?

Hourglass OÜ works with any organization that needs translation or localization services, including language service providers (LSPs) and translation agencies. Every project follows the same process: AI-assisted translation reviewed by a human expert.

What languages does Hourglass cover?

Hourglass OÜ provides professional translation from and into English, German, French, Arabic, Chinese, Japanese, Korean and most other world languages: 150+ language pairs in total. Tell us your source and target languages and we will confirm coverage with your quote.

How does human review work at Hourglass?

AI produces the draft in layered passes that apply your glossary, tone of voice and style guide. A human expert then reviews and post-edits the full text for accuracy, terminology and style before delivery. Our experts are professional linguists with relevant qualifications and experience, and native speakers of the target language.

How do I get started?

Send up to 2,500 words (10 standard pages) of your own content to team@hourglasshq.eu for a free, no-obligation test translation, or your files and target languages for a quote. You can also call +371 26 18 27 88. Hourglass replies within 24 hours on business days.

How much does localization with Hourglass cost?

Hourglass OÜ does not publish a fixed price list; every project is quoted individually, depending on the language pair, the volume and the complexity of the content. Send your content and target languages to team@hourglasshq.eu and Hourglass replies within 24 hours on business days. Before you commit, you can request a free, no-obligation test translation of up to 10 standard pages (2,500 words).

How fast does Hourglass deliver?

Turnaround depends on volume and language pairs and is confirmed in the quote. In one case study, Hourglass OÜ localized a website of 100 pages per language for 4 regions in 6 business days, where a traditional agency would have needed 20.

Is Hourglass an AI translation company with human review, based in the EU?

Yes. Hourglass OÜ is a localization company based in Tallinn, Estonia (EU). Its standard process is AI-assisted translation followed by review by a human expert before delivery. Hourglass covers 150+ language pairs, stores files on EU servers and deletes them no later than 7 days after project completion, and offers a free, no-obligation test translation of up to 10 standard pages (2,500 words).

Contact

Request a quote or a free test translation

Send us your content and target languages for a quote, or up to 2,500 words for a free, no-obligation test translation. We respond within 24 hours on business days.

Address
Katusepapi tn 6, Lasnamäe, Tallinn 11412, Estonia
What is the text, what is it for, and who will read it? For example: a user manual for service technicians, or a web page for new customers in Germany.
Free test: up to 2,500 words in total. If your document is longer, send an excerpt of up to 2,500 words. Accepted formats: DOCX, DOC, XLSX, XLS, PPTX, PPT, PDF with selectable text, TXT, RTF, ODT, HTML, XML, JSON, CSV, MD, SRT, XLIFF, SDLXLIFF, IDML, ZIP. Up to 10 files and 10 MB in total, including the reference files below.
    Please attach them if you have them, so that we follow your existing terminology. Accepted formats: TBX, TMX, SDLTM, XLSX, XLS, CSV, TXT.
      Link to your website or product pages. We extract your terminology from it, especially when no approved glossary is available.