TSA
Tokyo System Assist Co., Ltd. is a privately held Japanese IT services firm in Tachikawa, Tokyo, founded 1980, providing custom software development, technical personnel dispatch, and consulting primarily to large enterprises in the Tokyo Tama region across insurance, banking, manufacturing, and social-infrastructure verticals.
- Company typePrivate
- Founded1980
- HeadquartersTachikawa, Japan
- Headcount11–50
- GTM typeB2B
- OfferingServices
What TSA does
Tokyo System Assist Co., Ltd. (東京システムアシスト株式会社, "TSA") is a privately held Japanese IT services firm founded in April 1980 and headquartered in Tachikawa, Tokyo. The company delivers custom software development — covering system investigation, analysis, design, programming, and maintenance — alongside technical personnel dispatch, technical consultation, and computer/peripheral hardware sales. Its solution areas span four verticals: financial and insurance systems (automobile, fire, casualty, life insurance, banking, securities), manufacturing and distribution systems (sales, purchasing, inventory, production management), accounting and HR systems (financial, consolidated, payroll), and social-infrastructure systems (power control, dam management, water/air quality monitoring, road traffic control, weather information).
The firm has historically served large Japanese enterprise clients in the Tama area west of Tokyo, including Fujitsu, Fuji Electric, Furukawa Electric, Toshiba, Sony, Konica Minolta, Chiyoda Fire and Marine Insurance, and Tokyu Construction, with outsourcing engagements originating as early as 1980. It holds Privacy Mark certification (2007) and JIS Q 15001:2006 conformance (2008), supporting handling of sensitive client data. Ownership is closely held with no disclosed institutional investors, no external funding rounds, and no M&A activity in the record. Leadership transitioned to Matsunaga Jun as Representative Director in April 2022, following Arai Masayuki (2020) and Hara Yukitoshi (1994). The company continues to maintain its corporate website and privacy disclosures through April 2026, indicating ongoing operations, with no disclosed expansion outside the Tokyo/Tama region and no public AI, cloud-platform, or international initiatives.
TSA firmographics
Firmographics- Name
- TSA
- Legal name
- 東京システムアシスト株式会社
- Website
- https://tsa-ltd.co.jp
- Company type
- Private
- Founded year
- 1980
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Tokyo System Assist Co., Ltd. is a privately held Japanese IT services firm in Tachikawa, Tokyo, founded 1980, providing custom software development, technical personnel dispatch, and consulting primarily to large enterprises in the Tokyo Tama region across insurance, banking, manufacturing, and social-infrastructure verticals.
- Ownership category
- akta.pro rank
TSA industry classification
Industry- Product category
- Custom Software Development and IT Services
- NAICS
- Computer Systems Design Services (541512)
- SIC
- Services-Computer Programming Services (7371)
- akta.pro primary industry
- IT Program/Project Management (PMO) & Delivery Assurance (BPAEAAAO)
Keywords
Where TSA is headquartered
LocationHeadquarters
- HQ city
- Tachikawa
- HQ country
- Japan
- HQ region
- Asia
Offices2 records
Markets served
TSA business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Government Appropriations: TSA operates as a federal agency funded through annual congressional appropriations. The agency does not generate commercial revenue but relies on government funding to maintain operations and pay personnel.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | TSA ConfirmID - Identity verification fee for travelers without Real ID |
| Unit Pricing | Pay-as-you-go | Straight to Gate shuttle service fee |
Go-to-market motion3 records
Distribution channels1 record
Marketing channels2 records
TSA product offering
Product offeringCore offering
Tokyo System Assist provides outsourced custom software development services spanning system investigation, analysis, design, programming, and maintenance, delivered primarily to large Japanese corporations. The company also dispatches technical personnel to client sites, offers computer-related technical guidance and consultation, and sells computer hardware and peripheral equipment as a supplementary offering. Its work spans four vertical solution areas: financial/insurance, manufacturing/distribution, accounting/HR, and social infrastructure systems.
Product overview
Tokyo System Assist (TSA) is a Japanese IT services company offering a unified portfolio of software development and technical staffing services. The core offering consists of custom system development spanning investigation, analysis, design, coding, and maintenance, supplemented by technical personnel dispatch services. Solution areas target four vertical markets: financial/insurance (including insurance, banking, and securities systems), manufacturing/distribution (sales, inventory, production management), accounting/HR (financial and payroll systems), and social infrastructure (power, environmental monitoring, traffic control). The company also provides related hardware sales and technical consultation. The portfolio is delivered primarily to major corporations in the Tama region of Tokyo.
Differentiator
Problem solved
Functional benefit
Products and services
- System Development Services (システム開発サービス)
- Technical Personnel Dispatch (技術要員の派遣)
- Technical Consultation (技術指導及びコンサルテーション)
Quantifiable outcome
- TSA PreCheck reduces average wait time at security checkpoints for enrolled travelers
- +1 more outcomes
Companies that use TSA
Customer profileNamed customers6 records
Segments1 record
Ideal customer profiles1 record
TSA technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
TSA partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered minor and core.
- LandlineminorLandline operates off-site security screening shuttles for TSA's 'straight to gate' pilot program at Logan Airport Boston. The service operates from Framingham, MA to Boston Logan terminal.
- Airlines (Delta, JetBlue, Alaska, American, Southwest, United)coreTSA PreCheck Touchless ID uses biometric facial identification and is available through airline profiles. Participating airlines include Alaska, American, Delta, Southwest, and United, allowing enrolled travelers to verify identity through airline systems.
- ClearcoreTSA partnered with Clear to implement a new pilot program called eGates using biometrics and facial recognition technology at airports across the United States to accelerate security screenings.
Scale indicators13 records
Recent moves9 records
Expansion highlights3 records
TSA competitors and assessment
Company assessmentDirect peers
- ULS Group: Small-to-mid Japanese IT consulting and solutions firm specializing in enterprise system development and embedded/control software—similar in size, Japan-domestic focus, and custom-development orientation.
- Future Corporation: Tokyo-based Japanese IT consulting and systems integrator serving financial, manufacturing, and distribution clients with custom development and IT staffing services—closely comparable in business model and target verticals to TSA.
- ITFOR: Tokyo-based Japanese IT solutions company providing custom system development, financial-sector solutions, and IT staffing—closely comparable in size band, target customers, and service mix to TSA.
- TIS Inc. Major Japanese IT services company delivering custom system development, financial-sector solutions, and IT staffing to large enterprises—comparable service portfolio and customer base.
Broad incumbents
- BIPROGY: Large Japanese systems integrator (formerly Nihon Unisys) offering enterprise system design, financial/insurance solutions, and managed services across Japan—overlaps with TSA in target verticals but operates at far greater scale.
- SCSK Corporation: Major Japanese SI subsidiary of Sumitomo Corporation providing custom system development, IT staffing, and consulting to large enterprises, including financial and manufacturing clients—comparable offerings at incumbent scale.
- NRI (Nomura Research Institute): Premier Japanese consulting and systems integrator with deep financial-services, securities, and asset-management systems expertise—heavy overlap with TSA's financial/insurance solution area at much larger scale.
- ISID (Information Services International-Dentsu): Established Japanese SI and consulting firm serving financial services, manufacturing, and distribution with enterprise system integration—operates in the same verticals as TSA with broader service breadth.
- Transcosmos: Large Japanese IT services and BPO firm offering custom development, contact-center, and digital services to enterprises—comparable in IT services scope but operates at substantially larger scale.
Emerging players
- Obic: Japanese business software and accounting/HR systems provider—relevant adjacency to TSA's accounting/HR solution area, though Obic is more productized and proprietary.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
TSA compliance and trust
Trust signalCompliance2 records
TSA financial estimates
Financial estimateRevenue estimate
Valuation estimate
TSA leadership team
Management profileNumber of profiles
Profiles3 records
TSA funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
TSA 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 TSA
What does TSA do?
Tokyo System Assist provides outsourced custom software development services spanning system investigation, analysis, design, programming, and maintenance, delivered primarily to large Japanese corporations. The company also dispatches technical personnel to client sites, offers computer-related technical guidance and consultation, and sells computer hardware and peripheral equipment as a supplementary offering. Its work spans four vertical solution areas: financial/insurance, manufacturing/distribution, accounting/HR, and social infrastructure systems.
Is TSA a public or private company?
TSA is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was TSA founded?
TSA was founded in 1980. It employs 11 to 50 people.
Where is TSA based?
TSA is headquartered in Tachikawa, Japan, in the Asia region.
How does TSA make money?
One revenue line is on record: government Appropriations.
Who are TSA's main competitors?
Direct peers on record are ULS Group, Future Corporation, ITFOR and TIS Inc.. Broad incumbents are BIPROGY, SCSK Corporation, NRI (Nomura Research Institute), ISID (Information Services International-Dentsu) and Transcosmos. Obic is listed as an emerging player.
Does TSA have an API?
No public API is recorded for TSA.
What industry is TSA in?
TSA's product category is Custom Software Development and IT Services. Its primary akta.pro industry code is BPAEAAAO, IT Program/Project Management (PMO) & Delivery Assurance. Its NAICS code is 541512 and its SIC code is 7371.