Professional Language Services

in more than 50 languages

The leading Bulgarian language translation services provider
INTERLANG is a company specialised in the translation of all major languages into and from Bulgarian.
We also offer professional translation services into and from Russian, Romanian, Serbian, Croatian, Bosnian, Greek, Turkish and Macedonian.
We are part of a network of trusted partners in more than 20 countries in Europe and worldwide.e.


We are INTERLANG Ltd. – a translation company with proven experience and a robust reputation in Bulgaria and the world.

INTERLANG is a company specialized in the translation of documents in a wide variety of sectors: community and national law; finance; medicine and pharmacy; marketing and advertising; information technologies; technical equipment; telecommunications; corporate and personal documents; public procurement and many other sectors.

Why Interlang?

INTERLANG guarantees a first-rate service, including:

  • Expert advice and consultation
  • Expert translation
  • Observing strict deadlines
  • Non-disclosure of information
  • Quality assurance: ISO 9001:2008 and EN 15038
  • An ethical and loyal attitude

Contact us today by completing our online enquiry/order form, by e-mail or by phone on +359 2 808171. It will be our pleasure to give you a quote that is customised to any specific requirements you may have.

To help customers purchase the right product, we have developed our newly launched service levels. Your choice of package will have a bearing on the final cost of the project.

Contact us and we will send you detailed information about the workflow process and performance control in the different service packages.
The highlights will help you determine which service is the most appropriate for your project.

About Us

INTERLANG Ltd is a translation company with proven experience and a firm reputation on the Bulgarian and international market. Our key strength is translation from and into Bulgarian in a wide range of specialist areas. We will ensure that you receive an optimal product tailored to your needs and requirements by providing a professional team (project managers, translators and interpreters, revisers and consultants), as well as the necessary technological solutions and specialist literature. To guarantee our high-quality standards we have implemented a total quality management system fully aligned with Bulgarian and international standards.

Our translators and interpreters possess post-graduate degrees in modern languages and have accumulated a wealth of experience in a wide range of specialist areas, as well as a talent for translation. They include landmark translators and interpreters whose CVs speak eloquently of their knowledge, skills and experience.

Our office is manned by a team of project managers and full-time staff, including experienced translators and revisers. They are responsible for each stage of translation projects within the area of their competence and ensure that the end product meets the clients’ highest standard of quality.

Proven expertise

  • 20 years of established market presence
  • More than 1 000 professional freelance translators and interpreters
  • Full-time in-house team of project managers and staff consisting experienced translators and revisers
  • 900 000 pages translated
  • Interpreting services provided at 4 500 events in Bulgaria and overseas
  • More than 50 language combinations
  • Quality management certificates: ISO 9001:2015; ISO 17100:2015
  • Security of information - Industry Security Certificate to level ‘Top Secret’
  • Customer satisfaction - more than 93% of our clients use INTERLANG services on a regular basis.
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