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Know the company

Gigajoule Co.,Ltd. is an engineering consultant services company in Thailand, established on November 26, 2018. We have a team of experienced engineers providing services in energy management, energy audits for industrial and commercial buildings, both in the public and private sectors. We also specialize in designing and developing efficient tools and offering project consulting. Our team of engineers has over 10 years of valuable experience, which adds significant value to our services.


1. Customer-centric: Place customers' needs at the forefront, responding promptly to inquiries, and delivering solutions swiftly, ensuring their satisfaction through personalized service and open communication.

2. Innovation: Continuously seek creative and cutting-edge approaches to engineering challenges, fostering a culture of innovation within the team, all while maintaining a commitment to rapid response and solution delivery.

3. Quality Excellence: Demonstrate a dedicated commitment to quality, ensuring that solutions consistently meet the highest industry standards. This commitment extends to providing fast response times and efficient delivery of high-quality work.

4. Sustainability: Commit to sustainable practices, integrating eco-friendly solutions, and striving to shape a greener and more technologically advanced future.



Our vision

To be the leading and most trusted engineering consulting firm, recognized for our innovative solutions and firm commitment to quality and a sustainable, technologically advanced future.


Our mission

To be the best in engineering services, delivering innovative, sustainable solutions that go beyond client expectations. We lead with cutting-edge technology, prioritize ongoing professional growth, and build lasting client trust through collaboration.




We deliver
the best solution.




GJ is a private organization that can utilize advanced academic expertise to deliver the best solutions for meeting the industry's needs. The key aspect is to prepare and develop personnel to ensure high - quality and reliable performance

Dr. - Ing. Kiattisak Roonprasang
CEO & Founder