Language Scientific’s Thai Translation Services

Language Scientific provides premier Thai translation services, supplying technical, medical and scientific translation, localization and interpreting into and out of Thai. We are a US-based language services company serving over 1,500 global corporations. Our specialization, focus, industry-leading quality management standards and customer-centered attitude have earned us the trust of many of the world’s best technology, engineering, biomedical and pharmaceutical companies.

Language Scientific has two divisions—Technical and Engineering Localization and Translation Services Division and Medical and Pharmaceutical Localization and Translation Services Division. Both groups provide a full range of Thai language services including:

We offer a unique depth of subject-matter expertise via our Advanced Scientific Knowledge network (ASKnetwork™) and globalization know-how for companies in the Aerospace & Defense, Chemical, Clinical Research, Energy, Healthcare, Industrial Manufacturing, Medical Device, Pharmaceutical, Technology and related industries. Our ASKnetwork™ of over 6,000 specialists comprises multilingual engineers, doctors and scientists working in over 75 countries on 5 continents.

Language Scientific’s unique Accreditation Program for Technical and Medical Translators, along with a rigorous Quality Management System, ensures the quality standards that our clients have come to depend on. Language Scientific’s Quality Management System is ISO 9001:2015 and ISO 17100:2015 certified.

At Language Scientific, we are driven by the mission to set the new Standard of Quality for technical translation and localization. It is this mission that drives our success and sets us apart as a company. When you need precise global communication, Language Scientific is the clear choice.

Thai Language Statistics/Facts

Thai is the officially accepted language of the Kingdom of Thailand, and about 20 million people use the so-called Central Thai as their first language. It is interesting to note that this language has certain similarities with Lao, which refers to the Thai-Kadai group as well as Thai. It is considered that the rules of the Thai alphabet are based on the Old Khmer alphabet. Moreover, it is the basis for such languages as Sanskrit and Pali.

As opposed to the Chinese language, Thai has an alphabetic structure, which means that irrespective of the meaning, the word should be pronounced in a certain way, like in English. However, Thai is different from the English language in that it is tonal in nature, just like in Chinese. Some consider the Thai language much easier than European languages. That is why students and immigrants from Western countries spend relatively little effort in studying it. However, there are certain difficulties like, for example, the script, which seems to be written with no spaces between words.

Thai is also spoken in Cambodia and Malaysia. In addition, one should not forget about the English language, which has gained big popularity among the elite in the country. However, Thailand is reported to have the lowest level of English proficiency of all Asian countries.

Thai Dialects

One can find three main dialects of the Thai language, which depend on territory. Below, you can see them together with some minor dialectical variants that relate to the main ones.


Dialect versions


Southern Thai

ChaiyaKrabi, Phang Nga, Phuket
LigorNakhon Si Thammarat, Phatthalung, Satun, Trang
SingoraSongkhla, Yala
Tak BaiKelantan, Narathiwat, Yaring

Northern Thai

YuanNorthern Part of Thailand (former Lanna)

Central Thai

AyutthayanCentral Thailand, Chanthaburi, Prachinburi, Sa Kaeo
Bangkok ThaiBangkok, Chachoengsao, Chonburi, Metropolitan
Phitsanulok-SongkwaePhitsanulok and Sukhothai

In addition, in Thailand you may find certain language variants relating to Siamese Thai. They differ depending on the field of application, i.e. social contexts.

Dialect version


Street Thai

The most common type of Thai. It is used every day within families, with friends, in common conversations.

Elegant Thai

More formal than Street Thai, which better suits formal meetings communication, documentation, Media, etc.

Religious Thai

This variant is mostly used by monks, or when addressing them. Religious Thai is closely related to Buddhism.

Rhetorical Thai

Used mostly by politicians. This type is typical for public speeches.

Royal Thai

This type of language best suits conversations with the royal family, or can be found in newspapers while describing the royal lifestyle.

Countries Where Thai Is Spoken

  • Burma/Myanmar
  • China
  • Malaysia
  • Vietnam
  • Cambodia
  • Laos
  • United States

Thailand Country Data

Country: Thailand

Capital: Bangkok
Population: 68,414,135
Constitutional Monarchy: King Vajiralongkorn Bodindradebayavarangkun
Currency: Thai Baht
GDP (ppp): $16,900
Unemployment: 0.9%
Government Type: Constitutional monarchy
Industries: Automobiles and automotive parts, finance, electric tools and components, tourism, computers, manufacturing, plastic commodities, agriculture, textiles.

Thai Language History

Thai is believed to be based on Old Thai, which has undergone numerous changes in its phonetic and orthographic systems. Although some issues in the history of the Thai language remain ‘white spots,’ many linguists consider that the modern variant of Thai originated from the territory between China and Vietnam. Thus, these languages have influenced it in the most considerable way.

The other point of importance is that Thai was strongly influenced by the Indian language, but no doubt, the most influence on Thai as we know it know is from Chinese. Scientists state that the early settlers in Thailand merged monosyllabic tonal Chinese with polysyllabic Khmer and Sanskrit words.

Historical linguists estimate that Thai can be related to “Ka-Tai” group, which in turn is based on the Old Khmer language. Moreover, the main part of the Thai vocabulary is taken from two relative languages, in particular Sanskrit and Pali. This peculiarity explains Thai analytical and tonal features. In addition, many similarities could be found with such languages as Burmese, Vietnamese, Southwestern Mandarin, Lao.

It is interesting that the written variant of the Thai language was formed much later in 1283 during the period when the king Ramkamhaeng reigned. Considering the fact that modern historians can read old inscriptions dated with the 13th century, one can conclude that the written version of Thai has undergone little change since that period.