We focuses on business matching, agency business, culture and sports exchange business and other opportunities, encouraging Japanese companies to expand to overseas markets and overseas companies to Japanese domestic expansion, providing a platform to cultivate mutual respect and deepen understanding.
We are contributing to the internationalization of the people and the society by connecting Japan and the world.


1. Planning and operation of the No.1 platform connecting Croatia and Japan

Management of "Croatia Heartful Center "

Planning and operation of
virtual tour "Heartful Live ",
online shop of Croatian products
"Heartful Selection Shop ", etc.

2. Agency business

Tubeless Japan Inc.
Manufacture and wholesale distribution of hygiene products and developer and supporter of IoT remote management systems for toilets (Headquarters :Croatia)
* Our president Mr. Katayama have been appointed as CMO of the Board of Directors.

Hashcode Co., Ltd., Japan Agency (to 2023)
A company whose main business is system automation AI (Headquarters :Croatia)

2020 Dubai World Exposition , Japan Agency

3. Consulting

Consulting for Japanese companies expanding overseas
and for overseas companies expanding into Japan

Travel industry consulting

2020 Tokyo Olympic Games - Host Town Project
Nasushiobara City-Austrian Triathlon Association
Sakaimachi-Argentina Olympic Committee
Marugame City-Croatian Athletics Association

4. Other services

Interpretation and translation
Croatian, English, French, Chinese, Vietnamese, etc

TV Shooting, magazines and other media coordination

Business matching

Cultural exchange activities

JBT Tourism Research & Consulting Co., Advisory Consultant


  • Company name : GOOD IDEA LLC.
  • Establishing year : 2010
  • Location : 2-30-11 Minamikugahara, Ota-ku, Tokyo 146-0084, Japan
  • President : Edouard Katayama Tripkovic


For inquiries and suggestions, kindly contact us.