What Japan OMG does

Japan OMG (株式会社日本オメガシステム) is a privately held Japanese IT services company headquartered in Yokohama, founded on July 2, 1988 by Ohno Seijiro. Operating with 13 employees and ¥15M in registered capital, the firm provides project-based services centered on mobile communication systems: development and support for mobile network systems, quality evaluation of mobile terminals, application software development, mobile service system maintenance and operations, and IT support center operation. The 'Omega' (Ω) name reflects the founder's original intent to deliver defect-free software.

The company's core customer base is the NTT Group, with NTT TechnoCross and NTT TechnoCross Service named as principal counterparties; additional clients include the ICT industry cooperative HomeGrowin and Future Networks Corporation. Work is delivered by Japan OMG engineers on-site in Tokyo and Kanagawa Prefecture or from the Yokohama headquarters. The firm operates under a JIPDEC Privacy Mark certification (continuous since 2005, renewed July 1, 2024) and JIS Q 15001, and holds an IT worker dispatch license (派14-302805). GTM is sales-led, with no public pricing, no external funding, no digital marketing presence, and acquisition via direct inquiry, referrals, and the long-standing NTT relationship.

Business is generated from project-based professional services contracts and engineer dispatch. There is no software product platform; pricing is per-individual negotiation tied to engineer ability and certifications. Strategically, the company's leadership has publicly stated an intent to pivot toward 'Mobile & AI' capability development going forward, though no concrete AI products, hires, or contracts have been disclosed to date. Revenue is not publicly reported, and the operating footprint remains confined to Japan's Kanto region.

Name

Japan OMG

Legal name

株式会社日本オメガシステム

Website

https://j-omega.co.jp

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

11–50 employees

Short description

Japan OMG is a Yokohama-based Japanese IT services firm (est. 1988, 13 employees) that delivers mobile communication system development, mobile terminal quality evaluation, application software development, and system maintenance, primarily serving NTT Group enterprises across the Kanto region.

Ownership category

akta.pro rank

Product category

Mobile Telecommunications IT Services

NAICS

Computer Systems Design Services (541512), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)

SIC

Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Endpoint & Device Management (UEM/MDM) Services (BPAEABAF)

akta.pro secondary industries

IT Knowledge Management & Service Desk Platforms (HDAEALAH), Endpoint & Mobile Asset Management (UEM/MDM Asset Controls) (BPAEAOAI)

Keywords

• Mobile network development
• Mobile application development
• Telecom IT services
• Mobile terminal testing
• System maintenance operations

Headquarters

HQ city

Yokohama

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. IT Services / Project-based Development Contracts: Japan OMG generates revenue through project-based IT service contracts, primarily for NTT Group and other enterprise clients. Services include mobile network system development, application software development, quality evaluation of mobile terminals, and system maintenance and operations support. The company also operates an IT staffing/dispatch business (派14-302805) matching engineers to client projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Japan OMG is an IT services firm that develops and supports mobile communication systems spanning mobile terminals, mobile networks, and mobile services. The company delivers project-based mobile network system development, mobile application software development, mobile terminal quality evaluation, mobile service system maintenance and operations, and IT support center operation support, primarily for NTT Group and other Japanese telecommunications enterprises.

Product overview

Japan OMG is a mobile communication system development and services company that provides a portfolio of integrated services centered on mobile network systems. The core offerings include mobile network development support, mobile terminal quality evaluation, application software development, mobile service system maintenance and operation, and IT support center operation support. The company operates as a service provider rather than a product company, with all services oriented around the mobile communications sector.

Differentiator

Problem solved

Functional benefit

Products and services

• Mobile Network System Development Development support for mobile network systems, covering mobile terminals through mobile network infrastructure, delivered as the company's primary business focus for enterprise telecommunications clients.
• Mobile Terminal Quality Evaluation Quality assessment and evaluation services for mobile terminals and devices, supporting enterprise clients' mobile product assurance needs.
• Application Software Development Development of application software for mobile devices and mobile services for enterprise clients in the telecommunications sector.
• Mobile Service System Maintenance and Operation Maintenance and operation services for mobile communication systems, providing ongoing operational support for client mobile services.
• IT Support Center Operation Support Help desk and IT-related support center operation support services delivered to enterprise clients.

Quantifiable outcome

• 30+ years of sustained operations in the mobile telecommunications sector with NTT Group as a core client.

Named customers4 records

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators3 records

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Nomura Research Institute (NRI): Major Japanese IT consulting and system integration firm serving financial, telecom, and enterprise clients. Comparable as a broad Japanese IT services peer operating in telecom-adjacent verticals.
• NTT Data: Japan's largest IT services firm and an NTT Group entity. Comparable as a broad incumbent in Japanese enterprise/mobile IT services that competes for and absorbs the kinds of projects Japan OMG performs.
• Otsuka Corporation: Large Japanese IT services and solutions provider with strong enterprise customer base. Comparable as a Japanese IT services incumbent that competes for similar system development and support work.
• SCSK Corporation: Japanese IT services firm with deep telecom industry ties (Sumitomo-affiliated). Comparable as a mid-to-large Japanese IT services peer active in mobile/carrier systems integration and maintenance work.
• NTT TechnoCross: NTT Group's captive systems integration subsidiary focused on mobile/ICT services and software. Direct comparable because it is both a Japan OMG customer and a competitor for the same NTT mobile-network development work.
• BIPROGY (formerly Nihon Unisys): Established Japanese IT services firm with strong telecom vertical presence and system integration capabilities. Comparable as a larger-scale Japanese IT services peer serving carrier and enterprise clients.
• Hitachi Solutions: Japanese IT services subsidiary of Hitachi providing system development, maintenance, and enterprise solutions. Comparable as a larger Japanese IT services peer competing for telecom and enterprise engagements.

Direct peers

• Future Corporation: Japanese IT consulting and services firm focused on system development for telecom and enterprise. Comparable as a project-based IT services firm in the Japanese market with similar customer profile.
• Internet Initiative Japan (IIJ): Japanese IT/network services provider with deep carrier and mobile infrastructure expertise. Comparable as a mid-sized Japanese firm offering mobile-network and telecom-adjacent IT services to enterprise clients.
• TIS Inc. Mid-sized Japanese IT services firm offering system development, maintenance, and operations support across telecom and enterprise clients. Comparable business model of project-based IT services delivery.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Japan OMG