For managers at companies struggling with marketing, web, and DX challenges

Entrust planning, production, and operations
to one team.

Track record of 100+ projects including global corporations and government agencies.
Marketing support, web production, system development, and DX promotion — one unified team.

100+ Projects Global Ready Est. 2011

AboutAbout tentus

tent (adventurous spirit) + us (team) = tentus

Based in Hatchobori, Chuo-ku, Tokyo, since our founding in 2011, we have supported businesses of all sizes — from global corporations to regional SMEs — leveraging the power of digital. Through project management, marketing support, web production, and DX promotion, our adventurous team solves your challenges.

2011 Founded
100+ Projects
Company tentus inc.
Head Office 4F Kyoshin Bldg., 3-20-1 Hatchobori, Chuo-ku, Tokyo 104-0032
Established October 21, 2011
Capital ¥2,000,000
Business Project Management, Marketing Support, Web Production & Development & Operations, DX Promotion
tentus flag planted on a snowy mountain

One-Stop Service

From planning and production to operations and DX — all under one roof. Consolidate work previously spread across multiple vendors into a single point of contact.

Global Ready

Extensive experience in multilingual website development, overseas project management, and global projects with our internationally experienced team members.

Complex Projects

We have extensive experience with highly demanding projects such as accessibility compliance and multilingual support for government agencies and major global corporations.

ServicesWhat We Do

Project Support

We provide total support from RFP creation, competitive bidding, and vendor selection to actual project execution. We handle complex multi-vendor projects, covering requirements definition, progress management, and quality control end-to-end.

Marketing Support

Comprehensive support from KPI setting and strategy planning through to PDCA cycles covering execution and effectiveness measurement. We handle digital advertising, SEO, social media, and content marketing. Extensive experience with global corporations and SMEs alike.

Site Construction

We plan, design, and develop corporate websites, campaign sites, landing pages, and more. Extensive experience with high-accessibility WCAG-compliant sites and multilingual websites in Japanese, English, Chinese, and other languages.

System Development

We handle a wide range including e-commerce development, CMS implementation, business systems, and smartphone apps. We manage everything end-to-end: requirements definition, implementation, testing, and post-launch maintenance.

DX Promotion

We promote digital transformation for companies and communities while staying close to the field. We support strategy planning through to execution for operational efficiency and digitalization, including industry-academia collaboration projects like "Web-DOG."

Contents Service

We produce a wide range of content including articles, videos, banners, and internal materials. We provide comprehensive support for building continuous operations for social media management and content marketing.

Consultations and estimates are free. Feel free to reach out even if you're not sure which service you need.

Free Consultation

New Service from tentus

deliverus

deliver (to deliver / execute) + us (team)

A dedicated embedded operations service for marketing and PR professionals. We help transform situations where "the whole day is spent on production tasks," building an environment where you can focus on the marketing decisions that truly matter.

  • Website updates & CMS management
  • Internal materials, video & print production
  • Advertising management (SEO/SEM/SNS)
  • Multilingual support
Learn more about deliverus →(opens in new tab)
deliverus service preview

For those who want to learn more about our services

Start with a free consultation

Get in touch →

WorksCase Studies

Pioneer DJ 25th Anniversary Campaign Site
Design

Pioneer DJ / Audio Equipment · Global Company

Pioneer DJ 25th Anniversary Campaign Site

We planned, designed, and built a 25th anniversary campaign site. Created interactive content recapping 25 years of history in a single page.

ResultDeployed to 25 countries globally — received extensive social media sharing

Raycop Marketing Support Including Mass Advertising
Marketing

Raycop / Home Appliances · Global Company

Raycop — Marketing Support Including Mass Advertising

We were embedded in the marketing department, providing broad support from overall PR strategy planning including mass media to internal education.

ResultEmbedded in marketing dept., providing integrated support from awareness to purchase

Yokogawa Electric RFP Creation Support and Competition
Consulting

Yokogawa Electric / Measurement & Control Equipment · Global Company

Yokogawa Electric — RFP Creation Support and Competition

We handled end-to-end support from RFP creation, publication to vendors, and competition management through to actual release.

ResultCompleted end-to-end from RFP creation to vendor selection to release

Hill's Pet Nutrition Japan BtoB Marketing Support
Marketing

Hill's Pet Nutrition Japan / Pet Industry · Global Company

Hill's Pet Nutrition Japan — BtoB Marketing Support

We supported digital marketing strategy for veterinarians in the Japanese market, handling budget planning, research, and requirements definition.

ResultFull design of digital strategy targeting veterinarians, from budget planning to execution

Government Agency Website Development and Operations
Planning

Public Institution / Government Agency

Government Agency Website Development & Operations

We developed and provide ongoing operations for government agency websites compliant with WCAG accessibility standard AA.

ResultWCAG AA compliant, ongoing maintenance

Website Renewal
Design

Cram School / Major Domestic Company

Website Renewal

Through access surveys and user interviews, we accurately captured target user insights and renewed the site to a more experiential design.

ResultRevamped to experiential UI based on user interviews

VoiceClient Testimonials

"Quality doesn't drop even when the person in charge changes. I think that's why we've been working together for so many years."

Major Global Manufacturer / Head of Marketing

"They met our high requirements including accessibility compliance and delivered everything on schedule."

Government Agency / IT Systems Manager

"They engage at the strategy level, not just production. They feel more like an in-house team than an external partner."

Foreign-Owned FMCG / Web Manager

We're told we feel "like an in-house team"

We'll think through your challenges together.

Free consultation →

MembersTeam

TOMOHIRO KOIZUMI

TOMOHIRO KOIZUMI

CEO / Producer

Focused on digital marketing support, he has worked on projects for global corporations and major domestic companies spanning promotional site planning and management, research and auditing, site renewals, and app development.

KOICHIRO WAKAKUWA

KOICHIRO WAKAKUWA

DIRECTOR / Technical Director

Specializing in digital promotion regardless of device, he handles project producing and technical direction in the digital promotion domain, as well as production and development work.

AYA OTA

AYA OTA

DIRECTOR / Digital Planner

Specializing in planning and communication design based on research and analysis, she handles project management in the digital marketing domain. Drawing on her experience living in the US, she has been involved from launching digital initiatives for both domestic and international companies through to ongoing support.

KOUICHI MACHIDA

KOUICHI MACHIDA

Senior Engineer

He has worked on many systems including apps and web systems. Recently, he has been involved in collection management systems for museums and news proofreading systems.

YASUMASA NAKAYAMA

YASUMASA NAKAYAMA

DIRECTOR / Senior Director

An internationally experienced director with overseas postings in Shanghai, Manila, and San Francisco. Well-versed in the production domain, he handles many ongoing operation projects.

MOTOKI YAMAUCHI

MOTOKI YAMAUCHI

Project Manager

Handling a broad range of products centered on solution business support, he is responsible for consulting from evaluating product options through to implementation.

FAQFrequently Asked Questions

Yes, we can. Please share the details of your project. Regardless of scale, we'll propose the best approach for you.

It varies significantly by project content and scope. Estimates are free, so please feel free to reach out via the contact form.

We work with all types of industries — from global corporations and government agencies to SMEs. We have particularly extensive experience with BtoB and global projects.

Even a vague idea like "we have this challenge" or "we want to do this" is perfectly fine. We'll work through your requirements together in our discussion.

We also offer online consultations (Zoom, etc.). We can cover everything you need in an initial online meeting, so please feel free to reach out.

ContactContact Us

Please feel free to contact us for project consultations, estimates, and more.

We typically respond within 2 business days.