About Us

Bridging the language gap for more than 30 years

About Us

ONCALL Interpreters & Translators is a world leader in quality interpreting and translation service.

Established in 1984, ONCALL manages a comprehensive panel of over 4,500 qualified interpreters and translators in 150 languages. Each year our organisation translates hundreds of thousands of words and provides simultaneous interpreting services at major international conferences worldwide.

Based in London, ONCALL UK is the United Kingdom branch specialising in the provision of reliable, competitive and professional integrated language services and cross cultural communication solutions.

With an outstanding reputation for excellence and integrity, ONCALL UK offers a full range of services for both public and private sector clients.

Our Expertise

ONCALL UK is supported by an experienced and enthusiastic team, dedicated to excellence in recruitment, training and customer service.

We regularly monitor the performance of all interpreters and translators working with us, along with a focus on continual training and professional development.

In selecting ONCALL UK, you will have access to the finest interpreters and translators available as well as the professional back-up of an agency with a proven track record in full management of all your interpretation and translations needs.

With the unique capacity to work in coordination with our national and international offices, ONCALL UK is able to liaise between client and translator regardless of location and provide a fast turnaround service on an urgency basis.

Our Interpreters and Translators

At ONCALL UK we provide interpreting and translation services in over 150 languages. Our interpreters and translators are fully qualified and registered with such organisations as Institute of Linguists (IOL) and Institute of Translation and Interpreting (ITI).

For new and emerging languages, ONCALL UK liaises with local charities, ethnic communities and other organisations to recruit suitable panel members who receive comprehensive in-house training on professional ethics and practice.


Our Vision

To ensure equal access to care and legal support through language service provision for the ethnically diverse UK population, while maintaining interpreting and translation quality standards.

Our Vision

Become a top five global language services provider, connecting all communities, by 2018.

Our Mission

ONCALL will set the global benchmark for language services through innovation