ABOUT THREE SIDE

About THREE SIDE

Good for the seller, the buyer and society.
Earning lasting trust through honest work.

OUR PHILOSOPHY

Good work.
Shared value.

Our name carries the Omi merchants’ idea of sanpo yoshi into the present. We seek to create value for customers, colleagues, partners and society. Technical skill and integrity are how we put that idea into practice, every day.

01 / INTEGRITY

Integrity

Approach every task with care.

Understand the site, listen to the customer and verify what matters.

02 / TRUST

Trust

Build relationships that last.

Earn the next conversation through clear communication and the quality of our work.

03 / PROGRESS

Progress

Keep learning. Keep improving.

Develop our skills and respond to changing needs with useful, practical solutions.

Keisuke Aiki, Representative Director — Keisuke Aiki / Representative Director

MESSAGE FROM OUR PRESIDENT

Honest work.
Lasting trust.

With care for the people our technology serves,
we continue to deliver work that earns their trust.

The name THREE SIDE expresses our determination to bring the spirit of Sanpo Yoshi, the philosophy of the Omi merchants of Japan, into the work we do today. It means creating value not only for sellers and buyers, but also for the wider community and society. We believe this is how a company continues to be valued over the long term.

Communications, networks and systems are essential infrastructure connecting people and society. We approach every site with integrity and will continue to deliver value that exceeds our customers’ expectations through reliable quality and new challenges.

Representative Director
Keisuke Aiki

COMPANY PROFILE

Company profile

Company name	THREE SIDE Co.,Ltd
Japanese name	スリーサイド株式会社
Representative	Keisuke Aiki, Representative Director
Established	May 2021
Capital	JPY 10,000,000
Registered head office	2-24-12 Shingashi, Itabashi-ku, Tokyo 175-0081, Japan
Telephone	03-5918-6033
Business	IT infrastructure
Group	10X Group (joined 1 October 2026)

LET’S TALK

Your next project
starts with a conversation.

New installations, expansion, relocation or maintenance.
Tell us what you need to connect.

Discuss your project