JLS Language Corporation started out with a focus on Japan and US markets and, to this day, our emphasis on providing quality English-Japanese translations has not changed. Headquartered in Silicon Valley, with a subsidiary office in Yokohama, we provide English-to-Japanese and Japanese-to-English translation, interpreting, and multimedia localization services.

English to Japanese

Japanese to English


JLS started out 40 years ago as Japanese Linguistic Service and at its inception, our focus was on Japanese. Over the years, we have grown to offer translations in over 50 languages, but we have maintained our close ties and deep knowledge of the Japanese market. We can provide our clients with superior translations to and from Japanese and valuable insights into Japanese culture and the Japanese approach to doing business. We are ISO 9001 and ISO 13485 certified and uphold the highest quality standards to meet the requirements of even the most regulated sectors such as the medical, biotechnology and pharmaceutical.

Japan is one of the world’s largest and most important markets, and it is known for its predilection for high quality products. This trait is particularly evident in translation and localization projects where the quality of your translation can determine the success of your product. We know the Japanese market particularly well and we have access to the very best native Japanese and English translators and interpreters.

Clients with Japanese or English translation or interpreting needs come to JLS because they know we provide the level of personalized care not found in large corporate agencies. They know they can count on the expertise and ability of our accounts managers and project management teams to handle not only high-volume translation projects, but demanding interpreting assignments as well.

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Translation for the US and Japan


Some of our most cherished and loyal clients are US and Japan-based tech companies who are doing B2B or B2C business worldwide. They have trusted our services over the last four decades and truly value the high standards of our work.

In conferences, whether it’s technical or sales, we assist US developers or a sales team communicate with their counterparts from Japan, making sure they understand each other perfectly via our experienced interpreters.

We translate and localize multimedia content for websites in a way that feels natural and native to the audience, sparing companies costly marketing blunders or delays in product launches.

Our expertise is always at the service of our clients, no matter the size of the project.

We are headquartered in Silicon Valley, with a subsidiary office in Yokohama.

Tell us about your project!