Global Presence. Local Expertise.
Sesen delivers life sciences translation and localization services from key hubs around the world to support your projects wherever you operate.
Our Global Footprint
Sesen supports life sciences companies worldwide with strategically located teams across North America, Europe, and Asia. Our follow-the-sun project management model ensures 24/7 coverage, enabling rapid turnaround and real-time collaboration.
We deliver translation services in 150+ languages, backed by in-country experts with regional regulatory knowledge, including EMA, FDA, and PMDA requirements. This global presence allows us to provide accurate, compliant solutions wherever you operate.
Office Locations
North America
Boston, MA (Headquarters)
1 Post Office Square, 23rd Floor
Boston, MA 02109
Phone: +1 617 263 8950
Services: Life sciences project management, regulatory translation, DTP, quality assurance
Time Zone: Eastern Time (ET)
San Francisco, CA
535 Mission Street, 15th Floor
San Francisco, CA 94105
Phone: +1 415 889 8989
Services: Client support, west coast project coordination
Time Zone: Pacific Time (PT)
Mexico City, Mexico
Montes Urales 424, Lomas de Chapultepec
Ciudad de México, 11000
Phone: +52 9981 705 208
Services: Spanish-language localization, LATAM regulatory expertise
Time Zone: Central Standard Time (CST)
Europe
Düsseldorf, Germany
Neumannstraße 10
40235 Düsseldorf, Germany
Phone: +49-211-23922015
Services: Technical translation, quality control, EU language compliance
Time Zone: CET
Vienna, Austria
Kohlmarkt 8-10
Vienna, Austria
Phone: +1 617 263 8950
Services: Multilingual document review, project support
Time Zone: CET
Sibiu, Romania
4 Johann Sebastian Bach
550227, Sibiu, Romania
Phone: +40 7-2470-4806
Services: Linguistic validation, back-end support
Time Zone: Eastern European Time (EET)
Asia-Pacific
Osaka, Japan
2-12-24, Seiiku, Jyoutou-ku
Osaka-shi, 536-0007 Japan
Phone: +81-6-6931-7309
Services: Medical translation, clinical trial localization, in-country review
Time Zone: Japan Standard Time (JST)
Singapore
14 East Finance Building
Singapore 048545
Phone: +65 6635 1730
Services: APAC project management, regulatory support
Time Zone: Singapore Standard Time (SGT)
Latin America
Buenos Aires, Argentina
50 Street 1421 3 A, La Plata
Buenos Aires, Argentina
Phone: +54 9 221 420-7454
Services: LATAM language adaptation, Spanish and Portuguese translation
Time Zone: Argentina Time (ART)
Remote Team & Global Linguist Network
Sesen operates a global network of in-country linguists with deep expertise in local languages, cultures, and regulatory requirements. This model enables accurate, compliant translations tailored to the specific needs of each target market.
All work is securely managed through our cloud-based infrastructure hosted on AWS, with workflows certified to ISO 17100, ISO 9001:2015, and ISO 13485:2016 standards to ensure quality, consistency, and data protection across all projects.
Why Our Global Presence Matters
Sesen’s global footprint enables seamless support for international clinical trials, regulatory submissions, and product launches. With teams positioned across time zones, we ensure real-time collaboration and faster project turnaround.
Our in-country experts bring localized market knowledge and deep familiarity with regional regulatory bodies such as the EMA, PMDA, and FDA—helping you navigate complex compliance requirements with confidence.
