株式会社ESES
株式会社ESES is a Tokyo-based SES (System Engineering Service) company, founded in 2021, that dispatches IT engineers to enterprise clients across Japan under a 77% engineer commission model. It operates within the UZUZ Group with offices in Tokyo, Osaka, Nagoya, and Fukuoka.
- Company typePrivate
- Founded2021
- HeadquartersTokyo, Japan
- Headcount11–50
- GTM typeB2B
- OfferingServices
What 株式会社ESES does
株式会社ESES (ESES, Inc.) is a Japanese SES (System Engineering Service) company founded in 2021 and headquartered in Tokyo's Toranomon district, operating as a subsidiary of UZUZ Holdings within the broader UZUZ Group ecosystem. The company's core product is a single-service offering: dispatching IT engineers to client sites (客先常駐) on quasi-delegation contracts for system development, testing, network operations, Salesforce implementation, RPA, and other project-based IT work. The product portfolio is deliberately narrow, centered on the engineer-dispatch model rather than multi-product platform architecture. ESES differentiates itself within Japan's traditional SES industry through four structural policies: a 77% commission rate to engineers (raised from 70% in October 2023), a unit-price-based transparent evaluation system, engineer-controlled project selection rights, and guaranteed salary during bench (待機) periods between assignments.
The business model is a recurring monthly billing model in which enterprise clients pay per-engineer monthly unit prices (人月単価), and ESES retains the margin between client billings and engineer compensation. Monthly engineer salaries range from ¥250,000 to ¥800,000+ depending on skills, experience, and project unit price, with annual bonuses tied to performance. The go-to-market is sales-led direct enterprise engagement, supplemented by project referrals from UZUZ Group sister companies. Marketing is content-driven through an in-house blog (ESES BLOG publishing industry education content into 2026), a YouTube channel (@itengineer-career), and the CEO's Twitter/X presence. Distribution is domestic-only, with four physical offices covering Japan's Kanto (Tokyo), Kansai (Osaka), Chubu (Nagoya), and Kyushu (Fukuoka) regions.
As of February 2026, ESES reported 315 full-time employees, and the company cites 126 annual leave days and an 86% paid-leave utilization rate for 2025 as part of its talent-value proposition. The company's mission is framed as reform of Japan's SES industry from a historically criticized employment model into a dignified career option, targeting IT engineers who seek transparent compensation, project autonomy, and income stability. Client base spans financial services, travel, music streaming, web development, and network operations, though no named enterprise customers are disclosed in the source material. The company is privately held with no disclosed funding rounds, subsidiaries, M&A activity, or AI/ML capability investment.
株式会社ESES firmographics
Firmographics- Name
- 株式会社ESES
- Legal name
- 株式会社ESES（英文名：ESES, inc.）
- Website
- https://eses-inc.jp
- Company type
- Private
- Founded year
- 2021
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- 株式会社ESES is a Tokyo-based SES (System Engineering Service) company, founded in 2021, that dispatches IT engineers to enterprise clients across Japan under a 77% engineer commission model. It operates within the UZUZ Group with offices in Tokyo, Osaka, Nagoya, and Fukuoka.
- Ownership category
- akta.pro rank
株式会社ESES industry classification
Industry- Product category
- IT Engineer Staffing / System Engineering Services (SES)
- NAICS
- Engineering Services (54133)
- SIC
- Services-Employment Agencies (7361)
- akta.pro primary industry
- Electrical/Electronics & Embedded Systems Staffing (BPACADAF)
Keywords
Where 株式会社ESES is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices4 records
Markets served
株式会社ESES business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- SES (System Engineering Services): ESES provides IT engineers to client companies on a contract basis. Engineers are assigned to client sites (客先常駐) where they perform system development, testing, and other IT tasks. The company receives contract fees from clients based on monthly unit prices (人月単価) per engineer. Revenue is generated through the margin between client contract prices and engineer compensation. The company emphasizes high commission rates (77%) to attract and retain engineers.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Entry-level to senior engineers: ¥250,000 to ¥800,000+ monthly base salary plus annual bonuses |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels4 records
株式会社ESES product offering
Product offeringCore offering
株式会社ESES operates as a Japanese System Engineering Service (SES) company that dispatches IT engineers to enterprise client sites under quasi-delegation contracts. Engineers are assigned to projects spanning web systems, financial core systems, travel booking platforms, music distribution systems, network operations, Salesforce development, and RPA initiatives. The company monetizes the spread between monthly client unit prices and engineer compensation, while differentiating itself through a 77% engineer commission rate, unit-price-based evaluation, engineer-driven project selection, guaranteed bench pay, and structured career support.
Product overview
株式会社ESES operates as a System Engineering Service (SES) company that provides IT engineering staffing solutions. The company dispatches engineers to client sites where they work on various projects including web systems development, music distribution systems, travel booking systems, financial core systems, network construction and maintenance, Salesforce development, and RPA projects. The company's portfolio consists of a single core service offering—the SES staffing model—rather than a multi-product platform architecture.
Differentiator
Problem solved
Functional benefit
Products and services
- SES (System Engineering Service) - IT Engineer Dispatch Contract-based dispatch of full-time IT engineers to enterprise client sites under quasi-delegation contracts, covering system development, testing, network operations, cloud infrastructure, Salesforce implementation, RPA, and related projects across financial, travel, music streaming, web, and telecom sectors.
Quantifiable outcome
- 77% commission rate (up from 70% initial rate, increased in October 2023)
- +2 more outcomes
Companies that use 株式会社ESES
Customer profileNamed customers1 record
Segments1 record
Ideal customer profiles2 records
株式会社ESES technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
株式会社ESES partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- 株式会社UZUZ Holdings (UZUZ Holdings)coreParent company of ESES within the UZUZ Group ecosystem. UZUZ Holdings oversees multiple group companies including UZUZ (staffing/recruitment), UZUZ COLLEGE (education/training), Otaks, and UZUZ Plus. ESES is positioned as the engineering/SES arm of the group, providing IT engineering services while leveraging group synergies for recruitment, training, and project opportunities.
- 株式会社UZUZcorePrimary group company and staffing/recruitment specialist within the UZUZ Group. Provides recruitment support and talent pipeline for ESES engineers. Also provides project referrals and business development synergies. ESES and UZUZ share group resources including HR systems, training programs, and client networks.
- 株式会社UZUZ COLLEGEminorEducation and training subsidiary within the UZUZ Group. Provides training programs, skill development courses, and professional development support for ESES engineers. Helps maintain the company's talent quality and supports engineer upskilling initiatives.
- 株式会社OtaksminorGroup company within the UZUZ Group ecosystem. Nature of partnership involves shared group resources and synergies within the broader UZUZ network.
- 株式会社UZUZ PlusminorGroup company within the UZUZ Group ecosystem. Nature of partnership involves shared group resources and synergies within the broader UZUZ network.
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
株式会社ESES competitors and assessment
Company assessmentDirect peers
- Trust Tech: Japanese engineer-dispatch and contract development company focused on IT, manufacturing, and electronics engineers. Closely comparable offering to ESES, including SES-style engineer dispatch to enterprise clients in Japan.
- TechnoPro Holdings: Japan's largest engineer-dispatch and staffing company (Temporary engineering staffing, R&D outsourcing, IT solutions). Directly comparable business model: dispatches engineers to client sites under similar quasi-delegation contracts, and is the scale benchmark ESES is competing toward.
- WDB Holdings: Japanese HR/staffing holding company with a technology-dispatch segment placing IT and electronics engineers. Comparable dispatch model and client base, though WDB's broader portfolio extends into scientific and healthcare staffing.
- Akros Inc. Tokyo-based IT engineer dispatch and system development firm with nationwide offices. Operates the same dispatch-to-client model as ESES, primarily serving Japanese enterprises across web, financial, and infrastructure projects.
- WILL GROUP: Japanese HR solutions holding company whose portfolio includes IT engineer dispatch and outsourced development businesses. Comparable in business model (dispatch of engineers to enterprise clients in Japan) and in serving mid-tier Japanese enterprises.
- VSN (Outsourcing Technology): Japanese IT and electronics engineer dispatch firm, now part of the Outsourcing group. Same SES/dispatch model, same Japanese enterprise client base, same engineer-supply-driven cost structure as ESES.
Emerging players
- PE-BANK: Japanese freelance engineer-matching platform. Not a traditional SES firm but a direct substitute for SES employment from the engineer's perspective — engineers list availability, clients engage them directly. Competes with ESES for the same engineer talent pool by offering an alternative to SES dispatch.
Broad incumbents
- Modis (Akkodis Japan): Global IT staffing and engineering services brand (formerly Modis, now part of Akkodis/Adecco) operating in Japan. Same IT engineer dispatch model as ESES but with materially larger scale, global delivery capability, and broader enterprise relationships.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks7 records
Key highlights7 records
Customer concentration
株式会社ESES social profiles
Digital presence株式会社ESES financial estimates
Financial estimateRevenue estimate
Valuation estimate
株式会社ESES leadership team
Management profileNumber of profiles
Profiles1 record
株式会社ESES funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
株式会社ESES 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 株式会社ESES
What does 株式会社ESES do?
株式会社ESES operates as a Japanese System Engineering Service (SES) company that dispatches IT engineers to enterprise client sites under quasi-delegation contracts. Engineers are assigned to projects spanning web systems, financial core systems, travel booking platforms, music distribution systems, network operations, Salesforce development, and RPA initiatives. The company monetizes the spread between monthly client unit prices and engineer compensation, while differentiating itself through a 77% engineer commission rate, unit-price-based evaluation, engineer-driven project selection, guaranteed bench pay, and structured career support.
Is 株式会社ESES a public or private company?
株式会社ESES is a private company. It is classified as corporate owned and is currently operating.
When was 株式会社ESES founded?
株式会社ESES was founded in 2021. It employs 11 to 50 people.
Where is 株式会社ESES based?
株式会社ESES is headquartered in Tokyo, Japan, in the Asia region.
How does 株式会社ESES make money?
One revenue line is on record: SES (System Engineering Services).
Who are 株式会社ESES's main competitors?
Direct peers on record are Trust Tech, TechnoPro Holdings, WDB Holdings, Akros Inc., WILL GROUP and VSN (Outsourcing Technology). PE-BANK is listed as an emerging player. Modis (Akkodis Japan) is listed as a broad incumbent.
Does 株式会社ESES have an API?
No public API is recorded for 株式会社ESES.
What industry is 株式会社ESES in?
株式会社ESES's product category is IT Engineer Staffing / System Engineering Services (SES). Its primary akta.pro industry code is BPACADAF, Electrical/Electronics & Embedded Systems Staffing. Its NAICS code is 54133 and its SIC code is 7361.