Best Localization Tech Companies in United States
The 103 best Localization Tech companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Smartling.
Among Localization Tech companies in the United States, the 103 we track here are ranked by disclosed equity funding and recent funding momentum, and the numbers tell a clear story. Total disclosed funding across the directory hits $751M, with Smartling commanding $223M of that alone, and Lilt pulling in $93M. That's two companies absorbing well over 40% of the capital in the room. No unicorns yet, which I find telling given the scale of enterprise demand for multilingual infrastructure right now. So where's the rest of the money going? Mostly into a long tail of early-stage bets, with Y Combinator, In-Q-Tel, and Europa among the most active backers shaping which ideas get runway.
Momentum is real, though. Median install growth across 68 translation and localization apps is running at roughly +18% year-over-year, which isn't a rounding error. That's a sector where end-user adoption is actually pulling product forward. Language I/O ($25M) and Intento ($12M) sit in the mid-tier, while newer entrants like Camb.ai ($4M) and Deeptune ($3M) are still finding their footing. If you're evaluating partners or tracking where capital is concentrating, the funding gap between the top two and everyone else is the single most useful signal this quarter.
Ranked: Best Localization Tech companies in United States
| # | Company | Disclosed funding | Last round | Stage | Employees | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Smartling Provider of translation/localization solutions and services | $223M | 54 mo ago | Series E | 96 | HubSpot CMS HubSentryBugHerd+37 | 10 patents AI-powered machine translation personalization for terminology, gender, style, and persona adaptation | 1 award |
| 2 | Iyuno Provider of entertainment and media services | $160M | 52 mo ago | Series D | — | Node.jsElement UIVimeo+19 | — | 1 partnership |
| 3 | Lilt Provider of cloud-based machine translation tools and services | $93M | 19 mo ago | Series C | 59 | SanitySentryZendesk+34 | 14 patents AI-powered machine translation workflow with neural word alignment and in-browser collaborative editing | 1 partnership |
| 4 | Lokalise Provide language localization services for mobile apps and websites | $56M | 54 mo ago | Series B | 323 | TurbopackEmotionNode.js+32 | — | 1 launch |
| 5 | KUDO Multilingual video conferencing platform that provides real time language interpretation solutions | $27M | 62 mo ago | Series A | — | WordPressMySQLPHP+21 | 10 patents Real-time multilingual speech and text translation for virtual meetings and live presentations | 1 launch |
| 6 | Language I/O Translation automation of support content for customer support reps | $25M | 6 mo ago | Series A | 53 | WordPress Block EditorWordPress Site EditorWordPress+19 | 9 patents Advanced NLP tools for real-time translation, text formatting, and device-specific publishing | — |
| 7 | ZOO Digital Group Provider of cloud-based audio-visual localization services | $17M | 62 mo ago | Public | 558 | WordPressApple iCloud MailMySQL+21 | — | — |
| 8 | Intento Provider of AI-driven language translation and localization platform for enterprises | $12M | 8 mo ago | Series A | 80 | WordPressMySQLPHP+39 | 7 patents Semantic intent-driven API organization and management platform | — |
| 9 | Trados Developer of translation software for enterprises and LSPs | $12M | 126 mo ago | Acquired | — | SkolengoSDL TridionMariaDB+30 | 4 patents Computer-assisted translation platforms integrating machine translation, memory, and source element processing | — |
| 10 | XL8 Provider of AI-based deep neural network-based machine translation software | $12M | 32 mo ago | Series A | 7 | WebflowApple iCloud MailGoogle Workspace+17 | 3 patents Machine translation software and hardware for automated language conversion | — |
| 11 | Sajan Global leader in translation, interpreting, and multilingual content solutions | $11M | 195 mo ago | Acquired | 107 | — | — | — |
| 12 | TranscribeMe Audio search & transcription platform | $10M | 118 mo ago | Series A | 801 | Cart FunctionalityWordPressMySQL+32 | — | — |
| 13 | Jeenie An online platform providing real-time language and cultural assistance through video chat | $9M | 50 mo ago | Series A | 30 | HubSpot CMS HubApple iCloud MailAmazon Web Services+30 | — | — |
| 14 | MotionPoint Provider of a website localization solution for enterprises | $8M | 62 mo ago | Series B | 110 110 → 114 (+4%) | WordPressMySQLPHP+26 | 81 patents Real-time website content localization and translation automation | — |
| 15 | Lingotek SaaS based translation network | $7M | 172 mo ago | Acquired | 53 53 → 34 (-36%) | WordPressSentryZendesk+39 | — | — |
| 16 | Transifex AI-powered localization platform simplifying translation for global growth | $7M | 48 mo ago | Acquired | 6 | PythonDjangoMarionette.js+33 | — | 1 launch |
| 17 | Welocalize Provides a content distribution platform | $6M | 104 mo ago | Acquired | 864 | WordPress Block EditorWordPressProton Mail+34 | 7 patents AI-driven linguistic content evaluation for translation workflow optimization and engagement analytics | — |
| 18 | DataRPM AI-powered software for application development, data solutions, and digital experiences | $6M | 147 mo ago | Acquired | 53 | — | 2 patents Real-time business intelligence analytics platform with natural language and search interfaces | — |
| 19 | Rev Provider of transcription and captioning services using AI and human experts | $5M | 150 mo ago | Series A | 362 | WebflowMicrosoft ASP.NETAmazon ALB+34 | — | — |
| 20 | Camb.ai Provider of AI-powered localization services for entertainment, sports, and content | $4M | 17 mo ago | Seed | — | WebflowVimeoAmazon Web Services+25 | — | 2 partnerships |
| 21 | Viva Translate AI-powered real-time translation platform for virtual meetings | $4M | 52 mo ago | Seed | 4 | Node.jsReactNext.js App Router+8 | — | — |
| 22 | SonicCloud Mobile application for calling with audio tuning | $4M | 104 mo ago | Seed | 13 | Node.jsTypeScriptGraphQL+22 | 3 patents Adaptive personalization of communication sessions across heterogeneous network environments | — |
| 23 | Transfluent Provider of human-powered translation services | $4M | 110 mo ago | Acquired | 42 | — | — | — |
| 24 | Boostlingo Provider of interpretation management solutions | $3M | 58 mo ago | Series A | 56 | WordPressApple iCloud MailMicrosoft 365+17 | — | 1 job opening · 1 award |
| 25 | Deeptune Provider of simulation environments where AI agents practice complex digital work | $3M | 4 mo ago | Series A | — | VarnishGitHub PagesGoogle Workspace+3 | — | 1 job opening |
| 26 | Cloudwords Provider of translation platform and marketplace | $3M | 169 mo ago | Series A | 9 | — | — | — |
| 27 | VerbalizeIt Provider of end-to-end localization services | $3M | 132 mo ago | Acquired | 92 | — | — | — |
| 28 | Bering Lab Provider of legal document translation services | $2M | 22 mo ago | Seed | 17 | WordPressMySQLPHP+23 | — | — |
| 29 | AlchemyAPI Provider of API platform to analyze text, images, and, facial recognition | $2M | 145 mo ago | Acqui-Hired | 18 | — | — | — |
| 30 | LinguaSys Premier online gaming platform offering diverse betting and reward opportunities | $1M | 157 mo ago | Acqui-Hired | — | — | — | — |
| 31 | InWhatLanguage Providers of human-based translation and localization services | $1M | 100 mo ago | Acquired | 80 | — | — | — |
| 32 | Waverly Labs Developer of earpieces that can translate spoken language in real-time | $1M | 48 mo ago | Seed | 10 | WebflowVimeoAmazon Web Services+25 | 5 patents Real-time speech translation hardware and software for wearable audio devices | — |
| 33 | Localize Provider a cloud-based tool and java-script library for localizing and translating content | $1M | 47 mo ago | Series A | 9 | WebflowApple iCloud MailGoogle Workspace+28 | — | 1 launch |
| 34 | SpeechTrans Automated speech Translation solutions | $1M | 137 mo ago | Seed | 13 | — | — | 4 launchs |
| 35 | GlobeChat Multilingual communication platform providing instant translation for global organizations | $1M | 135 mo ago | Public | 13 | Cart FunctionalitySquarespace CommerceSquarespace+13 | 2 patents Multilingual communication protocols and networking systems for interoperable device messaging | — |
| 36 | 3Play Media Provider of captioning, transcription, translation solutions to enterprises | $962K | 180 mo ago | Acquired | 174 | WordPress Site EditorWordPressApple iCloud Mail+31 | 22 patents Automated audio description, live captioning, and transcription technologies for media accessibility | 1 award |
| 37 | Voyce Provider of VRI/OPI Interpreter Services | $800K | 94 mo ago | Acquired | 991 | Webflow EcommerceWebflowSalesforce+21 | — | — |
| 38 | dakwak Provider of cloud-based website translation and localization platform | $700K | 155 mo ago | Seed | 1 | — | — | — |
| 39 | WhiteSmoke Developer of software providing English grammar, style, and spell checking | $600K | 184 mo ago | Public | 18 | PHPCentOSBootstrap+21 | 14 patents Natural language processing algorithms and automated document enrichment tools | — |
| 40 | Aqua Voice-driven document editor | $500K | 24 mo ago | Seed | — | SentryNode.jsRadix UI+18 | — | — |
| 41 | Quetzal Labs Platform offering internationalization tool for software companies | $500K | 24 mo ago | Seed | — | — | — | — |
| 42 | Pinch Developer of an AI-powered platform for real-time voice translation video conferencing | $500K | 12 mo ago | Seed | — | VercelAstroGoogle Font API+4 | 2 patents Commercial granular material dispensing systems and apparatus for precise bulk handling | — |
| 43 | Intentex Provider of sentiment text analytics solutions | $330K | 120 mo ago | Seed | — | — | — | — |
| 44 | InterpreTown Provider of interpretation services in multiple languages | $320K | 23 mo ago | Seed | — | — | — | — |
| 45 | Globo Offers a platform that supports language services | $300K | 53 mo ago | Series A | 579 | HubSpot CMS HubApple iCloud MailGoogle Workspace+25 | — | — |
| 46 | Baseplate Provider of AI-based insights for language models | $125K | 36 mo ago | Seed | 2 | — | — | — |
| 47 | Y Translator Caption generation using NLP | $100K | 82 mo ago | Deadpooled | 2 | — | — | — |
Top 12 Localization Tech companies in United States
#1
Series A · Cheyenne, Wyoming · founded 2011 · 53 employees$25Mraised▾
Translation automation of support content for customer support reps. Its products help in automating the translation process of FAQ content, support emails, and responses, empowering customer support agents. It embeds the tools required by agents inside Salesforce Service Cloud and Oracle Service Cloud, allowing users to translate help articles, chat, and support emails.
- Dec 2025Series A$1.5M
- Jul 2024Series A$5M
- Jul 2023Series A$8M
- Jan 2022Series A$6.5M
#2
Series A · Berkeley, California · founded 2013 · 80 employees$12.3Mraised▾
Provider of AI-driven language translation and localization platform for enterprises. The platform automates localization across various touchpoints using AI agents and machine translation. It delivers consistent language experiences for customers and employees. The platform integrates with existing localization, document management, and customer support systems.
- Sep 2025Series A$3.9M
- May 2023Series A$8M
- Jul 2020Seed$3M
- Dec 2018Seed$1.3M
#3
Series A · New York City, New York · founded 2022$3.1Mraised▾
Provider of simulation environments where AI agents practice complex digital work. The company builds high-fidelity virtual environments that replicate real software workflows, allowing AI agents to learn tasks such as operating enterprise applications, handling multistep processes, and performing role-specific activities through trial and error. Its infrastructure enables reinforcement learning at scale, giving research teams the tools to train and evaluate agentic models on realistic computer-use scenarios instead of static datasets.
- Jan 2026Series A$43M
- Mar 2023Seed$3.1M
#4
Series C · Palo Alto, California · founded 2015 · 59 employees$93.1Mraised▾
Provider of cloud-based machine translation tools and services. It comes with features such as auto-suggest based on previously translated segments and an intelligent pre-translation feature with smart tag placement that does not require editing segments anymore. They also offer a real-time adaptive translation API that provides multiple suggestions, incremental domain adaptations, sub-segment matching, and word alignments.
- Nov 2024Series C$45.4M
- Apr 2022Series C$55.5M
- May 2020Series B$25M
- Dec 2019Series B$25M
#5
Seed · San Francisco, California · founded 2022$4Mraised▾
Provider of AI-powered localization services for entertainment, sports, and content. The company delivers translation and localization for various content creators and media enterprises. It offers solutions leveraging academic AI research in translation, voice cloning, and speech synthesis models. The company provides tools for dubbing, translation, and content scaling.
- Jan 2025Seed$14.3M
- Feb 2024Seed$4M
#6
Series E · New York City, New York · founded 2009 · 96 employees$223.2Mraised▾
Provider of translation/localization solutions and services. Its flagship product includes a cloud-based translation management platform to automate and manage the translation workflow. In addition, the company provides on-demand translation services by leveraging a network of freelance and multiple in-house translators specialized in multiple languages.
- Dec 2021Series E$160M
- Aug 2014Series D$118K
- May 2014Series D$25M
- Oct 2013Series C$24M
#7
Seed · San Francisco, California · founded 2024$500Kraised▾
Developer of an AI-powered platform for real-time voice translation video conferencing. The platform offers two translation modes: AI-powered interpreter and simultaneous translation. It is compatible with major video conferencing platforms. The platform supports multiple languages and provides real-time lipsync functionality.
- 2025Seed$500K
#8
Series D · Burbank, California · founded 1974$160Mraised▾
Provider of entertainment and media services. It also offers dubbing, subtitling, captions, audio description, and accessibility services. It handles media‑management, post‑production, and distribution for films, TV series, games, new‑media, and corporate content.
- Jan 2022Series D—
- Apr 2021Series D$160M
#9
Seed · Chicago, Illinois · founded 2019 · 17 employees$2.2Mraised▾
Provider of legal document translation services
- Aug 2024Seed$2.2M
- Apr 2021Seed—
#10
Series A · San Jose, California · founded 2019 · 7 employees$11.5Mraised▾
Provider of AI-based deep neural network-based machine translation software. It provides an API that can integrate with translation platforms and assist human translators. Its features include contextual translation of text and subtitle files, retention of terminology in colloquialisms, catchphrases, and subtitle generation. It caters to both individuals and enterprises.
- Sep 2023Series A$7.5M
- Jul 2022Seed$3M
- Apr 2022Seed—
#11
Series B · Newark, Delaware · founded 2016 · 323 employees$56Mraised▾
Provide language localization services for mobile apps and websites. Provide services for developers, managers, translators, integrations, and security. Features of the system include collaborative translation, localization workflow management, localization process automation, translation quality assurance, In-context editing, delivery to end-users, and support ticket translation.
- Dec 2021Series B$50M
- Sep 2020Series A$6M
#12
Seed · Phoenix, Arizona · founded 2022$320Kraised▾
Provider of interpretation services in multiple languages. It offers a range of solutions for businesses and individuals including language interpretation and professional interpreters for various events and settings.The solution includes tools that allows users to connect with interpreters via phone for real time language assistance and video interpretation feature that enables users to have video calls with interpreters, providing a visual element to manage communication. It is a tool available on the subscription based pricing model.
- Jul 2024Seed$320K
- Jun 2024Conventional Debt—
- Jun 2024Seed—
- Jun 2024Conventional Debt—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Localization Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.