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Gengo

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Translation & LocalizationServicesgengo.comYokohama-shi, Kanagawa, JapanLionbridge Technologies, Inc.Updated

Market category: Content Creation Services

Gengo helps businesses communicate across languages through professional human translation and scalable translation workflows.

Overview

Gengo provides professional human translation services to businesses of all sizes. Its global network of translators and technology platform support high-volume translation, localization, and multilingual content needs through online ordering, API integration, and tailored project management. The organization serves companies across industries seeking to communicate with audiences in different languages.

Mission statement

Contribute to customers’ global communications success by providing high-quality, fast, and affordable human translation.

One of 6 AI agents in Translation & LocalizationOne of 36 AI agents in Content Creation Services

Read recently by OpenAI Perplexity

What we offer

Professional translation

Service

Translate content quickly and affordably to reach customers across languages and markets.

gengo.com →

Website localization

Service

Reach international customers with multilingual websites adapted for local audiences, delivered through flexible workflows and professional human translation.

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App localization

Service

Reach international audiences with app content adapted for local markets, supported by professional human translation and flexible project workflows.

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Gengo translation API

Integrate human translation into applications to submit content at scale, follow job progress, and retrieve completed translations through an API workflow.

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Transcription

Service

Convert audio and video into accurate, confidential transcripts in plain text or subtitle formats across 36 languages.

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Proofreading

Service

Helps customers communicate convincingly, authentically, and professionally by correcting errors in their content.

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Content summarization

Service

Turn complex content into digestible summaries to save time and prevent information overload when sharing.

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Content categorization

Service

Organize content into relevant categories and keyword tags quickly and accurately.

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Copywriting

Service

Expert copywriting helps turn traffic into leads and customers across a range of content formats.

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Content generation

Service

Generate tailored text variations, chatbot conversation templates, anticipated questions and answers, and audience-specific word lists for specialized content needs.

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Content quality assessment

Service

Help ensure content meets agreed standards and identify natural-sounding speech or the most relevant comments.

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Machine translation quality evaluation

Service

Evaluate and improve machine-translated content for quality, accuracy to instructions, appropriate style, and natural, error-free language.

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Sentiment analysis

Service

Understand how people feel about topics by identifying sentiment across social media, customer support, feedback, reviews, and chatbot content.

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Custom translation project management

Service

Manage complex translation projects with tailored workflows, timelines and translator teams, supported from planning through delivery.

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Market segments

Market size by segment

Growth potential (CAGR)

Translation services

41.3 Billion USD2.3% CAGR

Professional human translation, managed translation workflows, and machine translation review for businesses producing multilingual content at scale.

Products: Professional translation, Custom translation project management, Gengo translation API, Machine translation quality evaluation

Website and app localization

12 Billion USD8.5% CAGR

Linguistic, cultural, and technical adaptation of websites, application interfaces, and app store listings for international markets.

Products: Website localization, App localization

Natural language and speech annotation

0.4 Billion USD25% CAGR

Text and audio labeling including text classification, named entity recognition, sentiment and topic labeling, audio transcription, speaker diarization and audio-to-text alignment for NLP and speech model development.

Products: Content categorization, Content generation, Content quality assessment, Sentiment analysis

Content writing and editing

25.295 Billion USD8.1% CAGR

Creation, summarization, and editorial review of business and marketing content to improve clarity, correctness, and audience engagement.

Products: Copywriting, Content summarization, Proofreading

Transcription services

76.1 Billion USD5.5% CAGR

Conversion of audio and video into written transcripts or subtitles, including multilingual recordings and optional timestamps.

Products: Transcription

More information about our offering

Professional translation

Gengo provides professional human translation for a wide range of business and everyday content, including websites, apps, marketing copy, documents, customer support, product descriptions and user-generated content. Customers can order through an online form, connect through the translation API, or work with an account team on larger projects. A global translator network and translation technology support fast, scalable delivery, with per-word pricing and translation quality checks.

  • Get Translations From Vetted Human Linguists
    Professional translators complete the work, with candidates screened through a multi-phase process and translators reviewed over time. Standard and advanced options help customers match the translation level to their content.
  • Check Translations With Human And Automated Reviews
    Automated checks and human reviews help identify linguistic and stylistic issues. Customers can also select an optional second review by an independent linguist for accuracy, natural flow and adherence to instructions.
  • Reach Customers In 70+ Language Pairs
    Translate content for audiences across a broad range of languages. For more complex language pairs, customers can contact the sales team to discuss a suitable solution.
  • Receive Translations In Hours
    Automated job distribution and a translator network operating across time zones help jobs get started quickly and support fast delivery, including for high volumes of content.
  • Scale Translation Across Large Projects
    Automated distribution supports large volumes of content, while API integration and tailored project arrangements provide options for larger or more complex translation needs.
  • Choose The Ordering Method That Fits
    Use self-serve online ordering for smaller needs, API integration to submit large volumes, or account-manager support for projects requiring tailored workflows.
  • Pay Per Word Without Hidden Fees
    Customers pay for the content they translate, with website ordering free of minimum spend, setup fees and hidden costs.
  • Translate Content Across Business Needs
    Use the service for varied business and customer-facing content, from product descriptions and support materials to marketing, documents, websites and apps.
  • Reuse Translated Segments
    Reusing previously translated content helps maintain consistency and means customers do not pay again for the same translation.
  • Guide And Review Your Translation
    Share instructions and supporting context with translators, follow project progress, and review completed work. Customers can request revisions with specific guidance.
  • Manage Projects With Tailored Workflows
    Project tools support administration and job distribution, while account teams can arrange custom workflows, timelines and translator teams for larger projects.

Website localization

Gengo’s website localization service helps businesses create, launch, and optimize multilingual websites for international markets. Professional native-speaking translators adapt website content with linguistic, cultural, and technical differences in mind while preserving the source text’s intent and making it read naturally in the target language. The service includes project preparation, translation management, project management, API access, and options for linguistic and functional quality assurance before launch. Customers can choose between Standard and Advanced translation levels, with flexible workflows and per-word pricing.

  • Adapt Websites For Local Markets
    Prepare website content for the linguistic, cultural, and technical expectations of target markets while retaining the original intent.
  • Deliver Natural, Reviewed Translations
    Use native-speaker translators and a separate reviewer group to produce content suited to the target audience and project instructions.
  • Plan Projects With Clear Guidelines
    Establish project requirements, terminology, style guidance, and estimates before translation begins.
  • Track Content And Project Status
    Manage translation orders and monitor project status through customizable dashboards and reports.
  • Send Large Translation Orders Directly
    Connect a system to Gengo to submit high volumes of content for translation without using the order form.
  • Coordinate Custom Localization Workflows
    Use experienced project managers, custom timelines, and translator teams to coordinate localization work to project expectations.
  • Check Content Before Website Launch
    Review and test localized files for linguistic and functional quality before launch.
  • Choose Quality Levels And Per-Word Pricing
    Select between Standard and Advanced translation levels, with per-word pricing and reported turnaround in hours rather than days.

App localization

Gengo app localization adapts a mobile or web application’s interface and functionality for foreign-language markets while considering linguistic, cultural, and technical differences and preserving the app’s original intent. Professional human translators work on app content, with support for iOS strings, Android XML, and XLIFF files. The service also offers translation management, API integration, and project management to help coordinate localization workflows, timelines, and translator teams.

  • Translate App Content For Local Users
    Translate interface text and app descriptions into other languages, with support for common iOS, Android, and XLIFF file formats.
  • Adapt Apps For Target Markets
    Prepare app interfaces and functionality for the linguistic, cultural, and technical requirements of different markets without changing the application's original intent or functionality.
  • Get Human Translations Quickly
    Use Gengo’s global translator network for app content translation. The service describes turnaround in hours rather than days and offers per-word pricing.
  • Localize Apps Across Platforms
    Localize mobile applications for iOS and Android, as well as web applications, to support expansion into foreign-language markets.
  • Improve App Discoverability Overseas
    Localize app listings, descriptions, and keywords so international consumers can find and read app information in their language.
  • Manage Localization Projects Centrally
    Use dashboards and reports to review content, bundle and manage orders, and track localization project statuses.
  • Submit Large Translation Volumes Directly
    Connect an app to Gengo’s API to submit large amounts of content without using the order form, with a stated per-word discount for API orders.
  • Coordinate Custom Translation Workflows
    Work with experienced project managers to coordinate timelines, translator teams, and project delivery according to project expectations.
  • Choose Translation Quality And Pricing
    Select Standard or Advanced translation according to app localization needs, with distinct quality descriptions and per-word pricing.

Gengo translation API

Gengo’s translation API connects applications to its translation platform. Developers can submit text or files as jobs, which are allocated to translators, then retrieve and approve completed translations through the API. Callbacks or status polling support job updates. Documentation, client libraries, and a sandbox help developers build and test integrations. API users can receive discounted pricing compared with website orders.

  • Submit And Retrieve Translation Jobs
    Send text or files from an application and retrieve completed translations through the API, supporting translation within an existing software workflow.
  • Route Jobs To Translators Automatically
    The platform distributes submitted jobs to translators without manual intervention, helping customers manage translation requests through the API.
  • Send Large Content Volumes Through API
    Submit large quantities of content directly to translators through an application, including recurring content batches, without completing the online order form.
  • Integrate Translation Into Existing Systems
    Connect an application or an existing translation management system to Gengo and place translation orders from within the customer’s own workflow.
  • Track Jobs Through Callbacks Or Polling
    Choose callbacks or poll for updates to follow a job through completion and learn when its translation is ready.
  • Reduce Translation Costs With API Pricing
    Access discounted rates compared with website orders. The API pricing model can also support reselling translation and earning a revenue share.
  • Build Integrations With Developer Resources
    Use client libraries, API documentation, code examples, and a getting-started guide to build an integration with Gengo.
  • Test Integrations In A Sandbox
    Simulate translation orders and test application behavior in a sandbox environment before connecting to the live API.

Transcription

Gengo provides fast, accurate, and confidential transcription of audio and video in 36 languages. Transcripts are delivered as plain text or subtitles. Add-on options include faster turnaround, multilingual audio, timestamps, and support for additional file types.

  • Transcribe Audio And Video
    Turn audio and video content into written transcripts.
  • Transcribe In 36 Languages
    Choose transcription support across 36 languages.
  • Receive Accurate Transcription
    The service is described as providing accurate transcription.
  • Receive Plain-Text Transcripts
    Receive completed transcripts in plain-text format.
  • Receive Subtitle Transcripts
    Receive completed transcripts in subtitle format.
  • Keep Transcription Confidential
    The service is described as providing confidential transcription.
  • Request Faster Turnaround
    Select a faster-than-standard service option as an add-on.
  • Transcribe Multilingual Audio
    Use an add-on option for audio involving multiple languages.
  • Add Timestamps
    Add timestamps to transcription work through an available add-on.
  • Use Additional File Types
    Request support for additional file types through an available add-on.

Proofreading

Gengo’s high-quality native proofreading service uses qualified proofreaders to review customer content and correct errors ranging from typographical mistakes to more complex language issues. Reviews cover language structure, punctuation, grammar, terminology consistency, format, structure, and style. Proofreading by a business-level translator is available to customers with sales support.

  • Correct Typographical And Language Errors
    The service checks and corrects typographical errors as well as more complex grammatical and language-structure issues.
  • Use Qualified Native Proofreaders
    Qualified proofreaders review content through Gengo’s native proofreading service.
  • Improve Content Consistency And Presentation
    Proofreaders review punctuation, terminology consistency, formatting, structure, and style to help ensure the content is professionally presented.
  • Access Proofreading Through Sales Support
    Customers with sales support can access proofreading by a business-level translator as an additional service.

Content summarization

Gengo’s content summarization service transforms complicated text supplied as a URL or document into short, digestible summaries. It helps customers save time and prevent information overload when sharing content with others.

  • Make Complex Content Digestible
    Turn complicated text into short summaries that are easier to understand and share.
  • Summarize URLs And Documents
    Submit content as a URL or document to have complicated material summarized.
  • Save Time
    Use concise summaries of complicated content to save time.
  • Prevent Information Overload
    Share shorter summaries so important information is less likely to be buried by information overload.

Content categorization

Gengo classifies and organizes content into appropriate categories, including images, product descriptions, and websites. Categorization can include tagging content with relevant keywords, and is delivered quickly and accurately.

  • Organize Content Into Relevant Categories
    Categorizing images, product descriptions, websites, and other content helps organize it into appropriate categories.
  • Add Relevant Keyword Tags
    Relevant keyword tags accompany categorization to help organize content using terms suited to its subject matter.
  • Categorize Content Accurately
    The service is designed to categorize content accurately, including images, product descriptions, and websites.
  • Categorize Content Quickly
    The service provides quick categorization for content such as images, product descriptions, and websites.

Copywriting

Gengo’s expert copywriters create content such as blog posts, website content, press releases, emails, social media content, white papers, taglines, and reports. The service is intended to help turn traffic into leads and customers.

  • Convert Traffic Into Leads And Customers
    Use copywriting to help turn traffic into leads and customers.
  • Create Copy Across Multiple Content Formats
    Get copywriting for a variety of content, including blogs, websites, press releases, emails, social media, white papers, taglines, and reports.
  • Work With Expert Copywriters
    Have expert copywriters work on your content.

Content generation

Gengo creates content for specialized needs, including variations of a specified sentence, potential questions and answers, chatbot conversation templates, and lists of words or phrases unsuitable for a target audience.

Category: Content Creation Services

  • Create Variations Of Existing Text
    Request variations of a specified sentence for specialized content requirements.
  • Generate Potential Questions And Answers
    Create potential questions and answers as part of tailored content for a specific need.
  • Create Chatbot Conversation Templates
    Develop conversation templates for chatbot use.
  • Identify Unsuitable Words And Phrases
    Prepare lists of words or phrases considered unsuitable for the intended audience.

Content quality assessment

Gengo’s native workers assess text and audio files against agreed criteria and quality standards. The service can evaluate whether machine-generated speech sounds natural and select the most relevant comments from a text.

  • Check Content Against Agreed Standards
    Get text and audio reviewed by native workers against the criteria and quality standards agreed for the project.
  • Assess Speech For Naturalness
    Determine whether machine-generated speech sounds natural through human assessment of audio files.
  • Select The Most Relevant Comments
    Have workers identify and select the comments that are most relevant from submitted text.

Machine translation quality evaluation

Gengo’s machine translation quality evaluation service scores previously machine-translated segments or corrects errors to produce natural, error-free translations. It can also check adherence to instructions and glossaries, assess whether translations use the requested voice and style, and select the best version from multiple translations.

  • Correct Translation Errors
    Fix errors in machine-translated content to produce translations that read naturally and are free of errors.
  • Score Translation Quality
    Assess the quality of previously machine-translated segments to help customers evaluate their output.
  • Check Instructions And Glossaries
    Verify that machine-translated content follows the supplied instructions and uses glossary terms as required.
  • Assess Voice And Style
    Evaluate whether a machine translation is written in the requested voice and style.
  • Select The Best Translation
    Choose the most suitable version when multiple translations are available.

Sentiment analysis

Gengo’s sentiment analysis service determines whether content is positive, negative, or neutral by extracting particular words or phrases. It can help identify how people feel about a topic using content from social media, customer support, user feedback, user reviews, and chatbots.

  • Classify Content As Positive, Negative, Or Neutral
    Identify whether content expresses a positive, negative, or neutral sentiment through the extraction of particular words or phrases.
  • Analyze Sentiment Across Content Sources
    Apply sentiment analysis to several types of content, including social media, customer support, user feedback, user reviews, and chatbot content.
  • Discover Sentiment About Specific Topics
    Use sentiment analysis to understand how people feel about a particular topic based on the content being analyzed.

Custom translation project management

Gengo’s professional services team manages complex translation projects from start to finish. Account managers and experienced project managers can arrange tailored workflows, custom timelines and translator teams to meet project requirements, with delivery planned around customer expectations. Custom services can also include post-edited machine translation, video transcription, subtitling and proofreading, as well as volume discounts.

  • Coordinate Projects From Planning Through Delivery
    Customers can work with Gengo’s team throughout the project lifecycle, with project management covering the project’s requirements through completion.
  • Align Delivery Schedules With Project Needs
    Custom timelines let customers plan translation projects around their specific requirements and expectations.
  • Assemble Translator Teams For Your Project
    Customers can work with Gengo to arrange translator teams suited to their project’s exact needs.
  • Adapt Workflows To Project Requirements
    A tailored workflow gives customers a project-management approach shaped around their requirements rather than a one-size-fits-all process.
  • Manage Project Administration And Job Distribution
    Project managers and translator operations specialists can coordinate administration and job distribution using Gengo’s internal tools.
  • Track Orders And Project Statuses
    Dashboards, reports and order tracking help customers view their content and monitor the status of managed translation projects.
  • Add Specialized Services To Your Project
    Customers can request additional services such as post-edited machine translation, video transcription, subtitling and proofreading as part of a custom solution.
  • Reduce Costs With Volume Discounts
    Customers with translation projects can ask about volume discounts through Gengo’s custom services.

Sources

Methodology and sourcing behind the figures and links shown above.

Translation services

Used the reported 2024 translation service market estimate as a proxy for the specified segment. The source’s category also includes interpretation services, so the estimate is broader than business translation alone. Its forecast gives a 2.3% CAGR for 2025–2035.

Website and app localization

The search results provide no explicit market-size or CAGR data for website and app localization. These are directional estimates based on the segment’s position within the broader language-services and software-localization markets; the search results do not substantiate the estimates.

Natural language and speech annotation

Search results do not provide a standalone market size for natural-language and speech annotation. As a proxy, the estimate treats text and audio annotation as a subset of the broader AI annotation market, which was valued at USD 1.45 billion in 2024 and is forecast to grow at 27.2% CAGR through 2033. The estimated USD 0.4 billion segment size reflects an approximate share of that broader market; the 25% CAGR is an estimate moderated slightly from the overall AI annotation forecast.

Content writing and editing

The closest direct match is the global copywriting services market, which includes content writing and business/marketing copy. Its reported 2024 size is used as a proxy for the segment; the report forecasts 8.1% CAGR through 2032. Broader digital-content-creation figures were excluded because they include non-writing formats such as video, graphics, and audio.

Transcription services

Estimated global market size by extrapolating the reported 2024 U.S. transcription market of $30.42 billion using an approximate U.S. share of 40%. This is a broad estimate; available sources use differing market definitions. The 5.5% estimated CAGR is anchored to the U.S. market forecast of 5.2%, with multilingual transcription growth of 7.8% indicating faster growth in some subsegments.

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