Three Plus Six LLC
Company Overview
Three Plus Six LLC is a marketing strategy firm supporting businesses through strategic planning, client-agency relationship design, and the co-creation of brands and business growth. Rather than following fixed organizational logic, we combine the perspectives and expertise each engagement requires, working closely with the realities of each business.
| Legal Name | Godo Kaisha Three Plus Six LLC (English name: Three Plus Six LLC) |
|---|---|
| Founded | June 2023 |
| Representative | Hiroaki Mori |
| Location | Resona COEDO Terrace 3F, 4-1 Saiwai-cho, Kawagoe, Saitama 350-0063, Japan View on map |
| Services | Marketing Strategy / CARD / Strategy Sprint / Advisory Retainer / Open Platform Partnership |
| Contact | contact@threeplussix.com |
Founder Profile
Hiroaki Mori / Founder & CEO, Three Plus Six LLC
Hiroaki Mori joined Hakuhodo in 1990, working across account management, marketing, brand consulting, and global project direction, before being posted to TBWA\Chiat\Day Los Angeles. He then served as COO of TBWA\Hakuhodo\China in Guangzhou. Upon returning to Japan, he led McCann Erickson Tokyo as Representative Director and CEO for five years and nine months.
In June 2023, after 33 years in corporate life, Mori went independent. Drawing on his accumulated experience and professional network, he now works from Kawagoe as an independent advisor, providing strategic support built on customer creation and relationship design.
He writes regularly on note, X, and LinkedIn about marketing, organizational thinking, first principles, and the dynamics of client-agency relationships.
Channels
Mori publishes nearly daily on marketing, brand, organization, and first-principles thinking. Company news also originates here. This is where you will find Three Plus Six's thinking in the most depth. Articles are in Japanese.
Daily observations, industry commentary, and note article updates in short form. A starting point for real-time exchange.
To check his background and career, as well as for formal inquiries from international clients and organizations. LinkedIn direct messages are welcome for business-related communication where a documented record is preferred.
A small knowledge habitat that crosses business strategy, marketing, behavioral science, and day-to-day field notes, growing questions that are useful in practice. It is in a quiet soft launch, with articles added over time. Articles are in Japanese.
Our official feed offers a quiet way to receive new observations, articles, and activity updates when you choose. A place to stay connected with Three Plus Six beyond the flow of social media.
You do not need to have your challenge fully defined. Start by telling us where you are, and we will work out the shape of the right support together.
Three Plus Six LLC / Kawagoe, Saitama