Contact Us

Get In Touch

We would love to hear from you. Whether you have a question, a piece of feedback, a partnership inquiry, or just want to say hello — our team is here and ready to respond.

Send Us a Message

Fill out the form below and a member of our team will get back to you within one business day. For urgent support matters, please use our in-app support chat for the fastest response.

We respect your privacy. Your information is never shared with third parties and is used only to respond to your inquiry. See our Privacy Policy for details.

Marsh Harbor Deck support team member
Our Support Team

A real human being reads every message we receive. You will always receive a thoughtful, personal response — never an automated template.

Email

General Inquiries

hello@marshharbordeck.com

Headquarters

Tokyo Office

6-10-11 Jingumae, Shibuya-ku
Tokyo 150-0001, Japan

Support Hours

When We Are Available

Monday – Friday, 9:00am – 6:00pm JST (UTC+9). We aim to respond to all inquiries within one business day. For urgent issues, use the in-app chat.

Response Time

What to Expect

General inquiries: within 24 hours. Technical support: within 12 hours. Billing issues: within 6 hours. Press and partnership: within 48 hours.

Ways to Reach Us

We Are Here for You

Multiple channels, all staffed by people who genuinely care about your experience with Marsh Harbor Deck.

01

Email Support

Our primary support channel. Send us a message at hello@marshharbordeck.com and receive a personal, thoughtful reply from a real team member. We do not use automated templates for support queries. Every message is read and responded to individually, with genuine attention to the specific issue or question you have raised. For billing and subscription queries, please include your account email address to help us locate your account faster.

02

Tokyo Headquarters

Our headquarters are located in the heart of Shibuya, one of Tokyo's most vibrant and creative districts. Walk-in visits are not typically available, but if you are a prospective partner, investor, or media representative interested in visiting our offices, please contact us in advance to arrange a meeting. We are at 6-10-11 Jingumae, Shibuya-ku, Tokyo 150-0001, Japan — a short walk from Omotesando Station.

03

Support Hours

Our customer support team operates Monday through Friday, 9:00am to 6:00pm Japan Standard Time (JST, UTC+9). While we strive to maintain 24/7 monitoring for urgent platform issues, standard support queries received outside business hours will be addressed on the next business day. For subscribers on our Professional and Enterprise plans, extended support coverage and priority response times are available as part of your plan benefits.

Quick Answers

Common Questions

Many questions can be answered instantly in our FAQ. Here are some of the most frequently asked topics.

How do I cancel my subscription?

Subscriptions can be cancelled at any time from your account settings with no cancellation fee.

Read more in FAQ

Is my conversation data private?

Yes. Your conversations are encrypted end-to-end and are never shared with third parties or used for advertising.

Read more in FAQ

Can I switch between AI companions?

You can have multiple companions simultaneously and switch between them freely at any time.

Read more in FAQ

What payment methods are accepted?

We accept all major credit cards, PayPal, and select regional payment methods depending on your location.

Read more in FAQ

Is there a free trial available?

Yes. Create a free account and experience Marsh Harbor Deck with full access for the first 7 days — no credit card required.

Read more in FAQ

How does the character creation feature work?

Our custom character builder lets you define appearance, personality, voice, and backstory for a fully personalized AI companion.

Read more in FAQ