About Us
Both locations and businesses,
Pushing beyond conventional boundaries.
OZ Holdings, is composed of four companies: OZ, ravi, Saturday, and OSBR, Going beyond the label of a 'design company', Web development and design thinking for problem-solving, Branding and AI-driven service development. Saturday, which develops applications using Web and AI, and OSBR, a team for modern software development. We continue to take on new challenges. From Sapporo to Tokyo, and then the world. Oz continues to take its next bold steps.
Both locations and businesses,
Pushing beyond conventional boundaries.
OZ Holdings,
is composed of four companies: OZ, ravi, Saturday, and OSBR,
Going beyond the label of a 'design company',
Web development and design thinking for problem-solving,
Branding and AI-driven service development.
Saturday, which develops applications using Web and AI, and
OSBR, a team for modern software development.
We continue to take on new challenges.
From Sapporo to Tokyo, and then the world.
Oz continues to take its next bold steps.

Creative problem solving.
Capturing the essence with design thinking.
Company Overview
Company Name | OZ Corporation |
Location | 2-14, Kita 1-jo Nishi 20-chome, Chuo-ku, Sapporo, Hokkaido |
Phone Number | 011-615-8400 |
Established | March 1993 |
Capital | 35 million yen |
Executives | Representative Director: Masanori Kikuchi, Representative Director: Hiroshi Tokoro, 4 other Directors |
Number of Employees | 64 (including non-regular employees) |
Entire Group | 100 |
Business Activities | Print media, web and various design production, web development and operation, advertising and sales promotion planning |
Certification | The information security management system of OZ Corporation has been certified by GCERTI for ISMS ISO/IEC 27001:2022. The information security policy is here |
Locations
Supporting customers
from the design domain.
Company Overview
Company Name | Ravi Corporation |
Location | 2-14, Kita 1-jo Nishi 20-chome, Chuo-ku, Sapporo, Hokkaido |
Established | March 2001 |
Capital | 10 million yen |
Executives | Representative Director: Masanori Kikuchi, Representative Director: Hiroshi Tokoro |
Employees | 31 |

A venture division originating from the group.
Planning promotional strategies.
Company Overview
Company Name | Saturday Corporation |
Location | THE WORKS 505, 3-18-3 Aobadai, Meguro-ku, Tokyo |
Established | August 2013 |
Capital | 5 million yen |
Executives | Representative Director: Ikuo Minoguchi |
Employees | 1 |
Business Activities | Promotional planning, web and application development, AI-based development |

A modern development team
focused on AI.
Company Overview
Company Name | OSBR. SDN. BHD. |
Location | Level 32 Menara Allianz Sentral, 203 Jalan Tun Sambanthan, 50470 Kuala Lumpur, Malaysia |
Established | September 2023 |
Capital | 12 million yen |
Executives | Representative Director: Ikuo Minoguchi |
Employees | 4 |
Business Activities | Web development and various AI-based application development |
Contact
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