IFS
IFS (株式会社アイエフエス) is a Tokyo-based, privately held Japanese IT services firm founded in 1997 that provides system consulting, development, operation, and maintenance to large enterprise clients, primarily NTT group companies, NEC, and Tokio Marine, with one proprietary product, PreviewMail®.
- Company typePrivate
- Founded1997
- HeadquartersTokyo, Japan
- Headcount11–50
- GTM typeB2B
- OfferingServices
What IFS does
IFS (株式会社アイエフエス) is a privately held Japanese information technology services company founded on July 14, 1997, and headquartered in Chuo-ku, Tokyo. The firm provides end-to-end computer system services to enterprise clients, spanning consulting, system analysis and design, development, operation, maintenance, computer room management, and network system construction. Its client base consists primarily of large Japanese corporations, with named major clients including NEC Nexus Solutions, NTT Advanced Technology, NTT-ME, NTT Techno Cross, NTT Data, and Tokio Marine & Nichido Fire Insurance, indicating a sub-contractor relationship to major system integrators, particularly within the NTT group.
In April 2017, IFS released PreviewMail®, a proprietary registered-trademark email preview application that became the company's sole branded product and was recognized as a JISA Awards 2017 Finalist. Beyond this, the firm's operations are organized around two service divisions (System Business and Facility Management) and a sales organization, delivering services within the Tokyo metropolitan area (Tokyo 23 wards and Musashino City). Registered capital stands at ¥40 million, and the company remains bootstrapped with no external funding, M&A, or subsidiary activity disclosed.
IFS has a small headcount of 11–50 employees and operates with no disclosed revenue, no AI/ML capabilities, no digital product ecosystem beyond PreviewMail, and no geographic footprint beyond the Kanto region. The company participates in industry bodies (JISA since 2017, ICT Industry Association) and maintains a basic Japanese-language web presence, reflecting the profile of a stable, founder-controlled niche IT outsourcing firm rather than a growth-stage technology company.
IFS firmographics
Firmographics- Name
- IFS
- Legal name
- 株式会社アイエフエス
- Website
- https://ifscorp.co.jp
- Company type
- Private
- Founded year
- 1997
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- IFS (株式会社アイエフエス) is a Tokyo-based, privately held Japanese IT services firm founded in 1997 that provides system consulting, development, operation, and maintenance to large enterprise clients, primarily NTT group companies, NEC, and Tokio Marine, with one proprietary product, PreviewMail®.
- Ownership category
- akta.pro rank
IFS industry classification
Industry- Product category
- IT Services
- NAICS
- Computer Systems Design and Related Services (54151), Computer Systems Design Services (541512), Custom Computer Programming Services (541511), Management Consulting Services (54161)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Integrated Systems Design (7373), Services-Management Consulting Services (8742)
- akta.pro primary industry
- ITIL/ITSM Process Consulting & Implementation (BPAEAJAB)
Keywords
Where IFS is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices2 records
Markets served
IFS business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Others
Distribution channels1 record
Marketing channels2 records
IFS product offering
Product offeringCore offering
IFS is a Japanese IT services company that provides computer system consulting, investigation, analysis, design, development, operation, and maintenance, along with total computer room operations and network system construction and management. The company also develops and sells PreviewMail, its proprietary registered-trademark email preview software application. Its clients are large Japanese enterprises — primarily NTT group companies, NEC Nexus Solutions, and Tokio Marine & Nichido Fire Insurance — served through direct engagement from its headquarters in Chuo-ku, Tokyo.
Product overview
IFS is a Japanese IT services company offering a single product called PreviewMail, an email preview service. Beyond product development, the company provides system consulting, development, operation, maintenance, and network system services primarily for Japanese enterprise clients including major NTT group companies and Tokyo Marine insurance.
Differentiator
Problem solved
Functional benefit
Brands
- PreviewMail: Email preview service application developed by IFS; awarded JISA Awards 2017 Finalist recognition.
Products and services
- PreviewMail PreviewMail is IFS's proprietary registered-trademark email preview application that enables users to preview emails before sending to ensure proper rendering across different email clients and devices. It is sold as a standalone product with a dedicated product website at previewmail.jp.
- Computer System Consulting and Development Services Computer system introduction consulting focused on improving total cost performance and proposing systems that support management and sales strategy, combined with full lifecycle system services including investigation, analysis, design, development, operation, and maintenance. Delivered to large Japanese enterprise clients through the System Business Division (システム事業部).
- Computer Room Facility Management Services Total computer room operations delivered through the Facility Management Division (ファシリィティーマネジメント事業部), covering end-to-end operations of customer computer room environments.
- Network System Construction and Management Services Network system construction, maintenance, and operations management services for enterprise clients, covering the build and ongoing administration of network infrastructure within customer IT environments.
Companies that use IFS
Customer profileNamed customers6 records
Segments1 record
Ideal customer profiles1 record
IFS technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
IFS partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered major and minor.
- NECネクサソリューションズ株式会社 (NEC Nexus Solutions)majorMajor client and partner. NEC Nexus Solutions is a subsidiary of NEC Corporation providing system integration and IT solutions. IFS provides software development and IT services to this partner.
- NTTアドバンステクノロジ株式会社 (NTT Advanced Technology)majorMajor client and partner. NTT AT is an NTT group company providing advanced technology solutions. IFS provides IT services and system development support.
- 株式会社NTT-MEmajorMajor client and partner. NTT-ME is part of the NTT group providing network and IT services. IFS provides software development and IT outsourcing services.
- NTTテクノクロス株式会社 (NTT Techno Cross)majorMajor client and partner. NTT Techno Cross provides technology integration services. IFS provides system development and IT services.
- 株式会社NTTデータ (NTT Data)majorMajor client and partner. NTT Data is a leading Japanese system integrator providing comprehensive IT services globally. IFS provides software development and IT outsourcing services.
- 東京海上日動火災保険株式会社 (Tokio Marine & Nichido Fire Insurance)majorMajor client in the insurance industry. Tokio Marine is one of Japan's largest property and casualty insurance companies. IFS provides IT system services and software development.
- ICT産業協同組合 (ICT Industry Association)minorIFS is a member of the ICT Industry Association (ICT-ICS), an industry organization for ICT companies in Japan. This membership provides networking and industry collaboration opportunities.
Scale indicators2 records
Recent moves5 records
Expansion highlights4 records
IFS competitors and assessment
Company assessmentBroad incumbents
- Fujitsu: One of Japan's largest system integrators offering consulting, system development, and IT outsourcing services across industries — broad incumbent that sets competitive context for smaller Japanese IT services firms like IFS.
- NTT Data: Japan's largest system integrator and global IT services provider; IFS is a software development and IT outsourcing partner to NTT Data and competes in the same enterprise IT services market at vastly different scale.
- NEC Corporation: Major Japanese IT services and system integration company whose subsidiary NEC Nexus Solutions is a major IFS client; overlaps with IFS in system integration and IT services to Japanese enterprises.
Emerging players
- BayCurrent: Fast-growing Japanese management and IT consulting firm competing for enterprise transformation engagements with strong consulting-led positioning similar to IFS's advisory services.
Direct peers
- SCSK Corporation: Japanese system integrator providing consulting, system development, IT outsourcing, and managed services, directly comparable in scope to IFS's end-to-end IT services model.
- Litmus: Global email testing and preview SaaS platform directly comparable to IFS's PreviewMail product in functionality (email client and device rendering previews) and target market of email marketers and developers.
- Itochu Techno-Solutions (CTC): Mid-to-large Japanese SI offering IT consulting, system integration, and outsourcing services to enterprise clients in financial services and other verticals, overlapping with IFS's target customer base.
- Email on Acid: Email rendering and preview testing SaaS platform offering functionality equivalent to PreviewMail — email preview across clients and devices — making it a direct product competitor.
- Nomura Research Institute (NRI): Large Japanese consulting and IT services firm offering system consulting, development, and outsourcing for enterprise clients, comparable in service mix to IFS though at much greater scale.
- NTT Advanced Technology: NTT group technology services firm that is both a major IFS client and a comparable Japanese IT services provider offering system development and technology solutions for enterprise customers.
Market position
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
IFS financial estimates
Financial estimateRevenue estimate
Valuation estimate
IFS leadership team
Management profileNumber of profiles
Profiles1 record
IFS funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
IFS M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about IFS
What does IFS do?
IFS is a Japanese IT services company that provides computer system consulting, investigation, analysis, design, development, operation, and maintenance, along with total computer room operations and network system construction and management. The company also develops and sells PreviewMail, its proprietary registered-trademark email preview software application. Its clients are large Japanese enterprises — primarily NTT group companies, NEC Nexus Solutions, and Tokio Marine & Nichido Fire Insurance — served through direct engagement from its headquarters in Chuo-ku, Tokyo.
Is IFS a public or private company?
IFS is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was IFS founded?
IFS was founded in 1997. It employs 11 to 50 people.
Where is IFS based?
IFS is headquartered in Tokyo, Japan, in the Asia region.
Who are IFS's main competitors?
Broad incumbents on record are Fujitsu, NTT Data and NEC Corporation. BayCurrent is listed as an emerging player. Direct peers are SCSK Corporation, Litmus, Itochu Techno-Solutions (CTC), Email on Acid, Nomura Research Institute (NRI) and NTT Advanced Technology.
Does IFS have an API?
No public API is recorded for IFS.
What industry is IFS in?
IFS's product category is IT Services. Its primary akta.pro industry code is BPAEAJAB, ITIL/ITSM Process Consulting & Implementation. Its NAICS code is 54151 and its SIC code is 7370.