We are Koon Group.

A real estate development firm and parent company of all businesses founded and operated by the Chakhatrakan family since 2001.

Conva Language School is a privately-held Japanese language school located at 86/370-371 Phahonyothin Road, Klong Luang, Thailand.

There are eight classrooms in total. Courses focus on the four components: reading, writing, speaking and listening. Conva teachers are native speakers with experiences in teaching language. Our classes are small, allowing students to fully engage and participate with their peers and teachers.

A 96-room apartment hotel located in a small Rayong town known as Ban Chang. KC Residence offers short and long-term accommodation in a peaceful and quiet environment.

Stage three of KC Residence is currently in the development stage. Construction will commence in 2022, adding approximately 150 new rooms.

A JITCO-accredited (Japan International Training Cooperation Organization) international trainee placement agency.

We provide internship opportunities for agriculture students to gain hands-on experience in Japan utilising their systems and technologies for three years.


Seven live and work shophouse units for sale in Na Jomtien, five minutes from Pattaya, Thailand. All units are currently under construction with expected completion in Q3 2020.

Each unit boasts four-metre street frontage and three levels, with a ground floor retail/office and two level of private accommodation.

Koon Group’s first residential development with construction began in 2001. Baan Kraiwong Village is a gated residential community with nine different developments.

As of 2019, Baan Kraiwong Village is now selling its 9th and final development project, bringing the number of constructed dwellings up to 400.