System Consultants

What System Consultants does

System Consultants (株式会社システム・コンサルタンツ) is a privately held Tokyo-based IT services firm founded in June 1988 by Tomio Yokoyama. The company provides two core solution lines: Infrastructure Solution (system infrastructure construction including server deployment on Solaris/Linux/Windows, high-availability configurations, storage setup, and system monitoring for financial institutions) and Development Solution (object-oriented application development spanning core banking systems, teller operating systems, ATM systems, securities administration systems, and insurance web applications). Its primary customers are major Japanese financial institutions including city banks, regional banks, trust banks, securities firms, and life insurance companies, with secondary engagements in local government education administration, convenience store chains, and distribution/retail sectors. Technology stack centers on Java, C++, .NET, and VB on Linux, Solaris, and Windows environments, with Oracle and Fujitsu SymfoWARE databases, and tight alignment to Fujitsu middleware (InterstageAS, InterstageCharset, InterstageNavigator).

The company monetizes through project-based professional services contracts for systems development and infrastructure construction, supplemented by limited package software sales. It also maintains a proprietary Financial Business Components (FBC) framework used for city-bank teller operating systems. GTM motion is enterprise field sales targeting financial institutions via direct phone and email. Headcount is approximately 50 employees including regular and contract staff, and the firm is registered with ¥20 million in capital. System Consultants has been profitable every year since founding except its first year, and holds a Privacy Mark certification from JIPDEC. There are no disclosed funding rounds, acquisitions, subsidiaries, or external investors.

Name

System Consultants

Legal name

株式会社システム・コンサルタンツ

Website

https://syscon.co.jp

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

11–50 employees

Short description

System Consultants is a Tokyo-based private IT services firm providing system infrastructure construction and custom application development primarily for Japanese financial institutions including city banks, regional banks, securities firms, and insurance companies.

Ownership category

akta.pro rank

Product category

Financial IT Services

NAICS

Computer Systems Design and Related Services (54151), Computer Systems Design Services (541512), Custom Computer Programming Services (541511)

SIC

Services-Computer Integrated Systems Design (7373), Services-Computer Programming Services (7371), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

ERP, CRM & Enterprise Applications Consulting (BPAHAEAI)

akta.pro secondary industries

Systems Engineering & Technical Program Management (BPAHAIAI), IT & Software Engineering Staffing (BPACADAA)

Keywords

• Financial IT services
• System infrastructure construction
• Banking application development
• Core banking systems
• IT systems integration

Headquarters

HQ city

Tokyo

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, Infrastructure

Revenue model

1. Systems Development Services: Custom application development for financial institutions including core banking systems, web applications, and insurance systems. Revenue generated through project-based professional services contracts.
2. Infrastructure Construction Services: Server and network infrastructure design and deployment for financial organizations, including high-availability systems, database setup, and system monitoring solutions.
3. Package Software Sales: Sale of proprietary software packages and solutions to customers.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

System Consultants is a Japanese IT services firm that builds system infrastructure (servers, networks, databases, high-availability environments) and develops custom applications primarily for financial institutions including major banks, securities firms, and insurance companies. Its service portfolio spans two core lines — Infrastructure Solution and Development Solution — with additional proprietary framework (FBC) and package software offerings.

Product overview

System Consultants (株式会社システム・コンサルタンツ) is an IT services company offering two core solution lines: Infrastructure Solution (基盤ソリューション) for system infrastructure construction and Development Solution (開発ソリューション) for application development. The Infrastructure Solution provides server construction, high-availability system setup, and storage configuration for financial institutions. The Development Solution handles core business system development for banks and insurance companies, plus custom Web application development. Both solutions primarily serve financial sector clients including major banks, securities firms, and insurance companies.

Differentiator

Problem solved

Functional benefit

Products and services

• Infrastructure Solution (基盤ソリューション) System infrastructure construction services for financial institutions, including server construction (Solaris, Linux, Windows), hardware/software procurement, high-availability system environment setup, storage device configuration, mail/DNS server construction, and system monitoring design. Targets major banks, securities firms, and insurance companies requiring 24/7 non-stop operation.
• Development Solution (開発ソリューション) Custom application development services including core business system development for major banks and financial institutions, and tailored web application development from upstream design through testing. Covers Java, C++, .NET, and VB development environments.
• Banking Teller Operating System Development (銀行様向け営業店システム開発) Development of banking sales outlet operating systems including accounting, registration, management, ATM, and imaging function modules. Includes external integration for passbooks, slip printers, cash machines, and related peripherals. Built on C++ and JavaScript for Linux, InterstageAS, and InterstageCharset platforms.
• Insurance Company System Development (保険会社様向けシステム開発) System development services for insurance companies, including web-based quotation systems for agencies and e-business core systems (web21-ASP, automatic machine systems, teller systems).
• Convenience Store Web Development (コンビニ向けWEB開発) Custom web application development services targeted at convenience store chain operations.
• Distribution Industry Web Development (流通業向けWEB開発) Custom web application development services for distribution and retail industry clients.
• Financial Business Components (FBC) Framework - Package Software Proprietary framework package covering accounting, management, ATM, and imaging functions for city bank teller operating systems. Sold/licensed as package software in addition to being used internally for development services.
• Education Administration System Development (自治体向け教委向けシステム開発) Development of student and child management systems for local government education boards, covering enrollment, tuition assistance, incentive fees, and private expense accounting.

Quantifiable outcome

• Profitable every year since founding except the first year (1988)

Named customers7 records

Segments2 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

18 partnerships are on record, tiered minor and core.

• 伊藤忠テクノソリューションズ株式会社minorOthersListed as a major client and business partner. Primarily a client relationship where System Consultants provides development services.
• NTTデータ・フォース株式会社minorStrategic or Co-development PartnerListed as a major business partner providing systems development services in collaboration on financial institution projects.
• 富士通株式会社coreTechnology or IntegrationKey technology partner. System Consultants develops using Fujitsu products including InterstageAS, InterstageCharset, InterstageNavigator, InterStageAP, and Fujitsu SymfoWARE database. Fujitsu is a listed major business partner.
• 株式会社野村総合研究所minorStrategic or Co-development PartnerListed as a major client. System Consultants provides development services for financial institution projects under NRI engagement.
• 株式会社アイデンティティブレーンminorImplementation/ SI/ Consulting PartnerListed as a major business partner. Primarily a client relationship where System Consultants provides development services.
• 東京コンピュータサービス株式会社minorImplementation/ SI/ Consulting PartnerListed as a major business partner. Primarily a client relationship where System Consultants provides development services.
• 株式会社アクロネットminorOthersListed as a major client and business partner.
• エヌアイシー・ソフト株式会社minorOthersListed as a major business partner.
• テクバン株式会社minorOthersListed as a major business partner.
• 株式会社 информа戦略テクノロジーminorOthersListed as a major business partner.
• 株式会社日本キャストminorOthersListed as a major business partner.
• 株式会社コンセプトアンドデザインminorOthersListed as a major business partner.
• 株式会社マークスminorOthersListed as a major business partner.
• きらぼし銀行minorOthersPrimary bank for System Consultants.
• みずほ銀行芝支店minorOthersListed as a major transaction bank.
• 三井住友銀行三田通支行minorOthersListed as a major transaction bank.
• 三菱UFJ銀行三田支行minorOthersListed as a major transaction bank.
• りそな銀行田町支行minorOthersListed as a major transaction bank.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Nippon Information Development (NID): Japanese IT services firm of similar size with strong positioning in banking, insurance, and securities systems. Directly comparable as a mid-sized Japanese SI focused on financial-sector custom development and infrastructure.
• Future Corporation: Japanese IT consulting and systems development firm with deep banking and financial-services customer base. Comparable as a financial-vertical-focused Japanese IT services firm offering consulting plus implementation.
• NS Solutions: Japanese SI serving financial institutions and manufacturing with systems integration and custom development services. Comparable in delivering core banking and enterprise application projects for major Japanese banks.
• TIS Inc. Mid-large Japanese IT services company with a strong financial-services vertical covering banking, credit cards, and insurance. Closely comparable business model of system integration plus proprietary software for financial institutions.

Broad incumbents

• BIPROGY (formerly UNISYS Japan): Major Japanese SI with substantial banking and financial-services business across core systems and infrastructure. Comparable end-market exposure but at much larger scale, competing for the same financial IT wallet.
• Nihon Unisys: Established Japanese SI serving financial institutions, government, and manufacturing with both custom development and infrastructure services. Overlaps with System Consultants in financial-sector system integration work.
• Accenture Japan: Global consulting and SI with a substantial Japanese banking practice focused on digital and core system modernization. Competes for transformation mandates from the same megabank customer base System Consultants serves.
• NTT Data: Japan's largest systems integrator with extensive banking and financial-services engagements. Competes for the same core banking, infrastructure, and web application mandates that System Consultants bids on, often at much larger scale.
• Nomura Research Institute (NRI): One of the largest Japanese IT services and consulting firms, dominant in securities and asset management IT. NRI is even listed as a System Consultants partner/client, illustrating competitive overlap in financial IT.

Emerging players

• Internet Initiative Japan (IIJ): Japanese network and cloud infrastructure provider that increasingly serves financial institutions with managed infrastructure services. Comparable in the infrastructure-construction portion of System Consultants' offering, but with stronger cloud positioning.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

Compliance1 record

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 System Consultants