Impressum

Legal Information and Company Details

Company Identification

Company Name

GrowthLab K.K.

Legal Form

Kabushiki Kaisha (Limited Liability Company)

Registered Address

3 Chome-1-5 Shirokane, Minato City, Tokyo 108-0072

Business Type

Educational Services and Business Consulting

Area of Activity

Growth Experimentation, Conversion Optimization, and Data Analytics Training

Contact Details

Email

info@tarnexriver.com

Phone

+81 3-3280-2828

Business Hours

Monday - Friday: 9:00 AM - 6:00 PM JST
Saturday - Sunday: Closed

Contact Form

For general inquiries, please use our contact form.

Responsible Persons

Managing Director

Akira Tanaka

Responsible for overall business operations and strategic direction

Content Responsibility

Yuki Nakamura

Responsible for editorial content, educational materials, and website content

Technical Responsibility

Haruto Sato

Responsible for website maintenance, technical infrastructure, and data security

Data Protection Officer

Rina Yamamoto

Contact for privacy-related inquiries and data protection matters

Regulatory Information

Registration Number

Tokyo Legal Affairs Bureau: +81 3-3280-2828

Corporate Number

+81 3-3280-2828

Tax Identification

National Tax Agency Registration

Professional Liability Insurance

Professional indemnity insurance coverage is maintained through Tokyo Marine & Nichido Fire Insurance Co., Ltd.

Industry Memberships

Member of Business Federation (Keidanren) and Tokyo Chamber of Commerce and Industry

Liability Disclaimer

Content Liability

The content on this website has been created with care and to the best of our knowledge. However, we cannot guarantee the accuracy, completeness, or timeliness of all information provided. As a service provider, we are responsible for our own content on these pages under general laws. However, we are not obligated to monitor transmitted or stored external information or to investigate circumstances that indicate illegal activity.

Liability for Links

Our website may contain links to external third-party websites over which we have no control. Therefore, we cannot accept any liability for external content. The respective provider or operator of the linked pages is always responsible for the content of those pages. The linked pages were checked for possible legal violations at the time of linking. No illegal content was identified at the time of linking.

However, permanent monitoring of the linked pages is not reasonable without concrete evidence of a legal violation. If we become aware of legal violations, we will remove such links immediately.

Copyright Notice

The content and works created by the site operators on these pages are subject to copyright law. The reproduction, editing, distribution, and any kind of exploitation outside the limits of copyright require the written consent of the respective author or creator.

Downloads and copies of this site are only permitted for private, non-commercial use. Insofar as the content on this site was not created by the operator, the copyrights of third parties are respected. In particular, third-party content is marked as such. Should you nevertheless become aware of a copyright infringement, we ask you to inform us accordingly. If we become aware of legal violations, we will remove such content immediately.

Trademark Notice

All trademarks, service marks, and trade names referenced on this website are the property of their respective owners. The use of any trademark or service mark on this website does not imply any affiliation with or endorsement by the trademark owner.

Dispute Resolution

Consumer Dispute Resolution

We are committed to resolving disputes with customers in a fair and timely manner. In the event of a dispute, we encourage you to contact us directly through our contact page to seek resolution.

Alternative Dispute Resolution

For consumer disputes that cannot be resolved directly, alternative dispute resolution mechanisms may be available through:

  • National Consumer Affairs Center of
  • Tokyo Metropolitan Consumer Center
  • Commercial Arbitration Association

Jurisdiction

Any legal disputes arising from the use of this website or our services shall be subject to the exclusive jurisdiction of the courts in Tokyo.

Privacy and Data Protection

We take the protection of your personal data seriously. Our data processing activities comply with applicableese data protection laws and regulations.

For detailed information about how we collect, use, and protect your personal data, please refer to our comprehensive Privacy Policy.

If you have questions or concerns about data protection, please contact our Data Protection Officer through our contact page.

Additional Legal Information

For more information about our legal policies and practices, please review:

Contact for Legal Matters

For legal inquiries, compliance questions, or to report issues related to this website, please contact us through our contact page with "Legal Matter" in the subject line.

We aim to respond to all legal inquiries within 3-5 business days.