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Best Translation Services in San Francisco, CA 2025

Businesses need translators. Why? These professionals can bridge the communication gap between them and their target audience. With the buying power growing in developing economies where English is not the native language, translation is the most effective way to reach potential customers. 

The Common Sense Advisory revealed that enterprises need to translate to about 14 languages to reach 75% of the global Internet users in 2018 and it is expected to expand to over 60 languages so that they can effectively communicate with 96% of online users. While English remains a secondary language for 60% of its users, organizations should not rest easy on this fact as there are other factors that might affect communication.

Businesses should work with translators when expanding in overseas markets. Translation is not just about grammar and spelling. It can also help shape the business in such a way that it will fit the local culture. 

To know more, here are some of the best translation service providers in the San Francisco Bay Area.

Best Translation Services in San Francisco, CA 2025

Idem Translations

Idem translates medical documents and clinical trial materials for device, pharmaceutical, and related healthcare industries.

Idem Translations understands that every client has their own unique set of needs. It is the reason behind its commitment to approaching each project in a customized manner with the intention to deliver high-quality output every time. The company also values business relationships since it started helping its customers in 1993. So, clients can expect great customer service from this language service provider.

Quality is a promise it intends to keep. Idem’s translation service is carried out by world-class human translators who are highly qualified and considered to be subject matter experts in their fields. Additionally, each project undergoes a rigid quality assurance process. It is a commitment that’s part of the company’s ISO 9001-2003 and ISO 13485-2012. Its translation service specializes in languages from Western Europe, Asia, Latin America, and the Middle East.

Idem also offers customized translation services for the life science, pharmaceutical and business sectors. For businesses in the pharmaceutical industry, it can work directly with a clinical team to manage consent forms, ensure rapid turnaround for SAR and SUSAR and operate under strict quality checking. 

The company also offers other essential integrated language services including desktop publishing, web & software localization and source optimization.

Rev.com

REV is an online audio transcription and video caption services for business, legal, academic and personal needs.

Trusted by over 170,000 customers, Rev is the premier language services provider in the Bay Area. The company was formed by five classmates from the Massachusetts Institute of Technology in 2010 who wanted to create a platform where freelancers can the right project that will suit their skillset. 

They then built a remote speech-to-text jobs platform that connects customers and freelance transcriptionists. Rev’s platform allows freelancers to seamlessly transcribe, caption and subtitle content in one place. It is this unique platform combined with the skills of professional freelancers, advanced software and proprietary artificial intelligence that allows it to stand out against its competitors.

Rev offers a wide range of language services including transcription, captioning, foreign language subtitling and machine-generated transcript. Its human-generated transcription service helps businesses capture growth opportunities from recorded audio. The company offers a 12-hour turnaround time and 99% accuracy in every transcription work it does. 

Rev has provided transcription services to companies like Shapiro + Raj, Home Depot, Spotify, ideastream, LitBrains and Mississippi State University.

Elite TransLingo

Elite TransLingo is a San Francisco translation company for any certified document translation, interpretation, transcription and localization services.

Elite Translingo is committed to filling the communication void between its customers and their clients. Founded in 1995, this company is composed of 15,000 interpreters, desktop publishing engineers and linguists who are behind the more than three million translation, interpretation and localization projects completed by the company. As it aims to bridge the communication gap, it continuously helps businesses all over the world.

The company takes pride in being a one-stop-shop for all the language service needs of organizations. This translation service provider offers several integrated language services including translation, localization, interpretation and translation. It handles translation for technical manuals, books & other educational materials, business documents and website localization.

This San Francisco-based firm caters to businesses and organizations engaged in all major industries. It can help with any translation or any other language service needs of those in the life sciences, aerospace, video games, finance and e-learning sectors.

Elite Translingo is a member of several translation associations including the American Translators Association, The Monetary Institute of Translation and Interpreting and the Malaysian Translators Association.

Babble-on

Babble-on is a professional copywriting & translation firm that specializes in dozens of languages like English, Spanish, French, Portuguese, Italian and Hebrew.

Babble-on is a copywriting and translation firm that continues to build itself up to set it apart from others. A dedicated small company out in San Francisco, this language service provider approaches each translation work with efficiency and a dash of personal touch. It delivers high-quality work through its partnership with highly-skilled professional freelance translators who know the ins-and-outs of the industry they are in.

Its services are divided into copywriting and translation. The first covers copywriting for websites, press releases, blogs, marketing campaigns and technical writing. The second service is where it helps brands, corporations and associations to resolve language barriers by translating different types of documents. It handles translation work for user manuals, technical documents, website localization, software localization and literary translation. 

Babble-on’s service caters to those who need documents translated between English and Chinese, Arabic, French, German, Spanish, Japanese, Korean and Portuguese.

Stepes

Stepes is an international translation and localization company that operates on four continents and in over 100 countries.

Stepes positions itself as the world’s trusted translation provider. With clients coming from the Fortune 500 roster, this San Francisco-based firm helps businesses succeed in the global market by offering online and mobile-powered human translation solutions. It delivers professional language translation in more than 100 languages and caters to clients based on six different continents.

The company embraced disruptive technologies as the digital economy demands faster, simpler and better translation services. Stepes make use of AI-powered enterprise solutions to deliver real-time and agile translation as needed. 

Stepes offers a variety of services to businesses and organizations including document, life sciences, and website translation, software localization, translation automation with API and interpretation solutions.

For those in the legal profession, Stepes provide certified legal translation services for a wide range of business documents. Its team of translators is knowledgeable in legal processes and terms. This capability allows them to deliver accurate translations of any kind of legal document. Stepes translators can work on business operating agreements, joint venture agreements, patent applications and litigation support documents.

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