Yokoso! which means "Welcome" in Japanese

 We would like to heartily welcome you to work together and protect the environment- as we all share the same home, planet earth.

As an NABL accredited Water testing laboratory, Hiyoshi is protecting the environment by  

  • Not compromising on quality of Water testing and thereby ensuring that the Water test results are correct

 We take pride in doing so and  invite you also to be a part of this noble endeavour to safeguard the environment.                                                                                                                                             

Choose Honesty, Choose Values, Choose Hiyoshi!


Yokoso Hiyoshi India!

Hiyoshi India Ecological Services Pvt. Ltd. was a result of the 25 years of interactive relationship between Hiyoshi and India through
  • Talk your way to Japan speech contest, conducted since 1998 to increase environmental awareness among school students in India
  • Hiyoshi Environmental Awards established in the year 2007 for recognising and felicitating the environmental warriors in India
  • Hiyoshi University Internship Program since 2007 for students to enhance their career and inspire them to work for the Environment.
  • ABK AOTS intern training since 1995 to increase environmental awareness among future leaders in the country


Hiyoshi India Ecological Services Private Limited a 100% subsidiary company of Hiyoshi Corporation, Japan was  established in the year 2011. 
  • To provide Hiyoshi’s 70 years of acquired knowledge in the field of drinking water analysis, wastewater analysis, O&M of STP, solid waste etc. in Chennai.
  • To be a place where the water test results provided are true and reliable which is extremely essential for environmental conservation.

“Worldwide environmental problems are constantly changing. These problems have no borders and so it is important for all of us to come and work together irrespective of nationality, culture, race and collectively address the challenges that the entire world is facing so that we leave behind a cleaner environment .”

We all have an obligation to protect the Mother Earth for  not just the present but also for the future generations.

Therefore, let us join hands and be One in spirit to safeguard and conserve the Environment.