SK2

Name

SK2

Legal name

株式会社SK2

Website

https://sk2-skig.co.jp

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

101–250 employees

Short description

SK2 is a Japanese IT services company (SIer) founded in 1980 that designs, develops, and maintains custom business application software for major banks, insurance firms, securities companies, and mobile telecommunications carriers, with a 1,367-1,382 employee group across seven subsidiaries serving the Kanto region.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Systems Development Services: SK2 provides custom software development services across financial, telecommunications, distribution, manufacturing, and public sectors. Services span the full software development lifecycle from requirements definition and design through development, testing, and maintenance. Revenue is generated through project-based engagements with enterprise clients.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

SK2 (株式会社SK2) is a Japanese IT services company that designs, develops, and maintains custom business application software for enterprise clients. Its primary offerings are banking systems (loan management, internet/telephone banking, asset-liability-interest rate simulation), insurance product/contract/simulation systems, securities commission management, and telecommunications customer and contract management systems, plus infrastructure construction, maintenance, and operations services for large financial institutions. The company operates as a full-stack systems integrator delivering from upstream requirements definition through to maintenance and infrastructure build-out.

Product overview

SK2は、金融・通信・流通・製造・公共などさまざまな分野向けの業務アプリケーションソフトウェアの設計・開発及び保守を行うソフトウェア開発企業である。主力サービスとして、银行向けシステム（融資管理システム、インターネットバンキング、テレフォンバンキング）、保険会社向けシステム（契約管理・シミュレーション）、証券会社向け手数料管理システム、通信会社向け顧客管理システム、大手alui信用社向け基盤構築・保守・運用業務を提供する。上流工程（要件定義）から設計・開発・保守・インフラ構築まで幅広い領域でお客さまへサービスを提供するフルスタックなSIerとして事業を展開している。

Differentiator

Problem solved

Functional benefit

Products and services

• Banking Systems (Loan Management, Internet Banking, Telephone Banking) Custom business application systems for major Japanese banks including loan repayment calculation systems, asset/liability/interest rate (ALM) simulation systems, internet banking, telephone banking, risk management systems, corporate sales management, individual internet systems, and defined contribution pension systems. Targeted at megabanks and large financial institutions.
• Insurance Company Systems Insurance product introduction, contract management, and simulation systems that enable insurance windows and sales representatives to perform contract management and simulation. Built and operated for Japanese insurance companies.
• Securities Company Commission Management Systems Commission management systems for Japanese securities firms that handle commission management related to securities trading.
• Telecommunications Customer Management Systems Bilateral contract management systems for mobile carriers that provide customer management systems and telecom customer information management, enabling customer self-service for plan inquiries and contract changes.
• Financial Institution IT Infrastructure Construction, Maintenance, and Operations Services Financial-institution IT infrastructure services that build the application operating environment — hardware, network, OS, and middleware — and deliver end-to-end IT services including security and ITSM for financial companies.
• Upstream Engineering Services Full-lifecycle systems development services from requirements definition through design, development, maintenance, and infrastructure construction across diverse fields including finance, telecommunications, distribution, manufacturing, and public sector.

Quantifiable outcome

• 127 days of annual leave (2025 actual)

Named customers6 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Seven partnerships are on record, tiered core.

• ソフトウェア情報開発株式会社 (Software Information Development)coreOthersGroup company under SK2 umbrella. Added to group in April 2012.
• 株式会社オープン・システムズ・テクノロジー (Open Systems Technology)coreOthersSK2 group company providing systems development services.
• 株式会社SKBcoreOthersSK2 group company.
• 株式会社エイチ・アイ・ディ (H.I.D)coreOthersSK2 group company.
• 株式会社OST札幌 (OST Sapporo)coreOthersSK2 group company based in Sapporo.
• 株式会社ATGScoreOthersSK2 group company.
• ユニオンデーターシステム株式会社 (Union Data Systems)coreOthersSK2 group company.

Scale indicators3 records

Recent moves10 records

Expansion highlights4 records

Direct peers

• Otsuka Corporation: Mid-large Japanese IT services company focused on enterprise systems integration, document management, and financial/ERP solutions. Peer on mid-sized Japanese SI operating model and enterprise customer base.
• BIPROGY: Mid-large Japanese SI (formerly Nihon Unisys) delivering mainframe and open-systems integration to banks, insurance, and securities firms. Closely comparable to SK2 on vertical focus (financial services) and full-lifecycle development/services model.
• ISID (Information Services International-Dentsu): Tokyo-based IT services firm with strong financial-services and advertising/CRM system integration practices. Comparable in size class, vertical concentration, and solution breadth to SK2.
• TIS Inc. Japanese IT services group with deep financial-sector practice (banking, credit card, insurance) plus upstream consulting. Direct comparable in customer profile (megabanks, insurers) and project-based custom software model.

Broad incumbents

• Nomura Research Institute (NRI): Established, large-scale Japanese IT consulting and systems integrator with strong securities and banking solutions business. Operates in the same financial-sector IT services category but at materially larger scale.
• NEC: Large Japanese IT vendor serving banks, insurers, and telecom operators with both infrastructure and software/systems integration. Overlaps with SK2 on telecom-carrier CRM/contract systems and large-enterprise SI work.
• Hitachi Solutions: Subsidiary of Hitachi delivering enterprise application and systems integration services in Japan, including banking and insurance. Competes for similar megabank custom-development and modernization engagements at larger scale.
• Itochu Techno-Solutions (CTC): Japanese IT services and solutions company with strong financial and telecom-customer presence and infrastructure integration capability. Comparable in vertical exposure (financial/telecom) and direct enterprise sales motion.
• NTT Data Group: Largest Japanese SI and a global IT services provider with a substantial financial-institutions practice. Competes for the same megabank and insurance custom-development work, but across a much broader portfolio.
• Fujitsu: Major global IT services and systems vendor with one of Japan's largest financial-sector system integration practices. Overlaps with SK2 on custom banking and insurance systems work, but at vastly larger scale and wider portfolio.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries7 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 SK2