California, home to a rich mix of cultures, tech innovation, and international business, remains one of the biggest markets for language services in 2025. With over 30 ranked translation agencies, the Top 10 Translation Companies in California lead the way in delivering high-quality language solutions. These companies drive a significant share of North America’s 42.6% stake in the global language services market, now worth $78.83 billion.
Translation and interpretation services have become essential in sectors like healthcare, tech, law, media, and BFSI, fueled by globalization and state-level diversity.
Why Translation Services Matter in California in 2025
The demand for professional translation services in California continues to soar due to:
- Multilingual Population: California is home to communities speaking Spanish, Chinese, Tagalog, Vietnamese, Korean, and more.
- Legal & Immigration Requirements: Certified translations are required for court proceedings, immigration, and state-level compliance.
- Global Business Needs: From tech startups in Silicon Valley to Hollywood production houses, accurate localization is crucial.
- Healthcare & BFSI Growth: Real-time interpretation and HIPAA-compliant document translation support sensitive communications.
Interpretation services now make up 32.1% of the global market. Online delivery dominates, accounting for 54.9% of translation transactions.
VerboLabs: A Global Leader Serving California’s Diverse Market
Website: VerboLabs
Overview: VerboLabs delivers high-quality, ISO-certified language services across multimedia, legal, certified documentation, SaaS platforms, and enterprise solutions. With operations in over 120 languages, VerboLabs is a go-to choice for content localization, video dubbing, and real-time subtitling.
Key Features:
- Highly accurate document translation
- UI/UX localization for tech and SaaS
- Subtitling, dubbing, and multimedia content adaptation
- ISO-certified quality and fast turnarounds
Top 10 Translation Companies in California in 2025
1. VerboLabs (Top Choice for Multimedia, Legal, and Certified Translations)
Overview:
VerboLabs is a globally trusted translation and localization company serving California-based clients across industries like media, legal, eLearning, and enterprise tech. Known for scalable solutions, VerboLabs specializes in end-to-end services including subtitling, dubbing, certified document translation, and website localization.
Key Features:
- Certified and industry-specific translations
- Multimedia localization: voiceover, dubbing, subtitling
- Desktop publishing and eLearning content translation
- Fast delivery and 24/7 support
Website: VerboLabs
2. TransPerfect
Overview:
One of the world’s largest translation firms, TransPerfect has a strong presence in California, supporting enterprise clients across legal, healthcare, and tech verticals.
Key Features:
- 200+ languages supported
- AI-enhanced translation platforms (GlobalLink)
- Legal, life sciences, and finance specialists
- ISO-certified quality standards
Website: TransPerfect
3. LanguageLine Solutions
Overview:
Founded in Monterey, CA, LanguageLine is a market leader in interpretation services and multilingual contact center solutions.
Key Features:
- On-demand interpretation (phone/video/in-person)
- Document translation and localization
- HIPAA and legal compliance
- 240+ languages
Website: LanguageLine Solutions
4. GLOBO
Overview:
GLOBO is a technology-driven language services provider with growing operations in California. They serve healthcare, call centers, and public services.
Key Features:
- Real-time interpretation via app
- Translation management platform (GLOBO HQ)
- Focused on healthcare and government sectors
- Data dashboards for usage insights
Website: GLOBO
5. Day Translations
Overview:
With headquarters in Tampa and key offices in California, Day Translations delivers certified translations for immigration, legal, and corporate needs.
Key Features:
- USCIS-certified document translations
- Legal and medical interpretation
- 24/7 availability
- Multilingual marketing and copywriting
Website: Day Translations
6. Straker Translations
Overview:
Operating in San Francisco, Straker Translations is known for combining AI-powered tools with human linguists for high-volume business localization.
Key Features:
- AI-human hybrid translation model
- Enterprise-grade CMS integrations
- Multilingual SEO and UX localization
- Tech and eCommerce sector focus
Website: Straker Translations
7. Tomedes
Overview:
Tomedes provides affordable and quick turnaround translation services in Los Angeles, serving startups, legal firms, and global brands.
Key Features:
- Cost-effective pricing
- Tech-savvy localization and app translation
- Legal, business, and medical focus
- 24-hour delivery options
8. JR Language Translation Services
Overview:
Based in California, JR Language serves both local and international businesses with legal, marketing, and certified document translations.
Key Features:
- USCIS-certified and notarized translations
- Website and eCommerce localization
- Multilingual marketing and transcreation
- Multinational legal translation expertise
Website: JR Language Translation Services
9. Eriksen Translations Inc.
Overview:
Though headquartered in New York, Eriksen has a robust client base in California, offering cultural consulting and translation services in over 100 languages.
Key Features:
- Cultural adaptation for NGOs, arts, and education
- Website localization and DTP
- Specialized in nonprofit and academic sectors
- High-quality, culturally formatted human translations
Website: Eriksen Translations Inc.
10. Stepes (by CSOFT)
Overview:
Stepes, with offices in San Francisco, blends mobile-based workflows with professional linguists to offer real-time, scalable translation for tech and eCommerce.
Key Features:
- On-demand mobile translation platform
- Enterprise integrations and APIs
- Fast turnaround for digital content
- Life sciences and SaaS sector expertise
Website: Stepes (by CSOFT)
How to Choose the Right Translation Company
- Certification: Look for ISO certification and native linguists
- Specialization: Ensure specialization in your sector (legal, SaaS, media, etc.)
- Turnaround time: Ask about turnaround time, pricing models, and delivery platforms
- Capability: Prioritize companies with interpretation and multimedia capabilities
Conclusion
California’s dynamic economy and multilingual population ensure the state remains a vital hub for translation and localization services. Investing in the right translation partner is crucial whether you’re a tech startup, media house, or legal firm. VerboLabs stands out with its certified accuracy, fast turnaround, and multimedia expertise customized for modern California businesses.
Ready to localize your content with expert precision?
Get high-quality certified, legal, and multimedia translations from VerboLabs—your trusted partner in California and beyond.
FAQs
VerboLabs, Day Translations, GMR, TransPerfect, and LanguageLine rank among the best in 2025.
There are more than 30 ranked agencies, ranging from boutique firms to global providers.
California is part of North America’s $33.6B share of the $78.83B global market.
Key sectors include legal, BFSI, healthcare, entertainment, immigration, and tech/SaaS.
Interpretation now accounts for 32.1% of all language services due to telehealth, courts, and multilingual education needs.
