What ThreeK&C does

ThreeK&C (株式会社スリーケーシー, legal name 株式会社スリーケーシー) is a privately held Japanese IT services company founded on February 22, 2012, by Representative Director and President Nobuhito Araki (荒木 信人). The company is headquartered at 6F Oscarp Building, 2-42-3 Ikebukuro, Toshima-ku, Tokyo, and operates with a workforce of 11-50 employees. ThreeK&C provides end-to-end system development services spanning consulting, design, implementation, operation, and long-term maintenance, primarily targeting major enterprise clients in Japan's Kanto region. The company also operates a regulated IT staffing business under a general worker dispatch license (派13-313515), supplying system engineers and programmers to client companies, and offers event planning and production services as a secondary line.

Revenue grew consistently from ¥144 million in FY2013 to ¥1.32 billion in FY2025 (13th fiscal period ending January 2025), reflecting roughly 9x growth over 13 fiscal years. The business operates on professional services revenue with two primary streams: (1) software development services delivered on a project basis with end-to-end lifecycle coverage, and (2) IT staffing via worker dispatch, where ThreeK&C charges a daily rate of ¥40,549 against a worker wage of ¥19,566, yielding an approximate 51.8% gross margin; monthly engineer/programmer positions start from ¥270,000. The company's technology stack centers on web and open systems development, mobile application development, and large-scale infrastructure, leveraging cloud providers certified to ISO/IEC 27001, 27017, and 27018. No external funding rounds, parent company, or international operations are disclosed.

In 2023-2024, ThreeK&C expanded its corporate group structure by acquiring Freude株式会社 (April 21, 2023) and establishing 株式会社cozy four (August 23, 2024) as a wholly-owned group company, though neither is consolidated for accounting purposes. The company is a member of the Kanto IT Software Health Insurance Association (joined December 2020), follows JIS Q 15001 for personal information protection, and operates without any disclosed proprietary AI/ML capability or third-party AI integration. Marketing is limited to the corporate website and blog, with sales conducted through direct enterprise engagement in the Kanto region.

Name

ThreeK&C

Legal name

株式会社スリーケーシー

Website

https://kkk-c.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Toshima

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Software Development Services: Providing consulting, design, development, operation, and maintenance of software systems to enterprise clients.
2. IT Staffing / Worker Dispatch (派遣): Dispatching system engineers and programmers to client companies. Registered worker dispatch business (派13-313515).

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

ThreeK&C provides end-to-end system development services spanning consulting, design, development, operation, and maintenance for web applications, open systems, mobile applications, and large-scale infrastructure. The company also operates a registered worker dispatch business (labor dispatch license 派13-313515) supplying system engineers, programmers, and administrative staff to enterprise clients, primarily in the Kanto region of Japan.

Product overview

ThreeK&C operates as a system development company offering a unified suite of services centered on IT solutions. The core offerings include end-to-end system development (consulting, design, implementation, and maintenance), temporary worker dispatch services for IT personnel (system engineers, programmers, administrative staff), and event planning/production services. The company has expanded through group companies: Freude株式会社 (acquired April 2023) and 株式会社cozy four (established August 2024), which extend specialized expertise and enable new business ventures while maintaining the parent company's focus on system development and staffing.

Differentiator

Problem solved

Functional benefit

Products and services

• System Development Services

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Two partnerships are on record, tiered minor.

• Freude株式会社 (Freude Inc.)minorOthers · 1 August 2023Group company of ThreeK&C, established in August 2023. Part of ThreeK&C's corporate group structure.
• 株式会社cozy four (cozy four Inc.)minorOthers · 1 August 2023Group company of ThreeK&C, established in August 2023. Part of ThreeK&C's corporate group structure.

Scale indicators5 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• TechMatrix Corporation: Smaller Japanese system integrator providing software development, consulting, and IT services. Closely aligned in size, customer focus, and end-to-end delivery model with ThreeK&C.
• Sumisho Computer Systems: Mid-size Japanese system integrator providing software development and IT services to enterprise clients. Operates a similar full-lifecycle delivery model and competes for the same Kanto-region enterprise wallet.
• DTS Corporation: Mid-size Japanese IT services firm offering system development, consulting, and outsourcing, with comparable revenue scale and similar enterprise-customer orientation in Kanto. Directly competes for the same system engineering and dispatch contracts.
• CAC Holdings: Japanese IT services holding company providing system development, maintenance, and IT staffing through group companies. Similar in scale, customer profile, and service mix to ThreeK&C.
• AGS Corporation: Independent Japanese IT services company specializing in system development and IT outsourcing for enterprise clients, with comparable size and similar end-to-end service offerings.

Broad incumbents

• Internet Initiative Japan (IIJ): Established Japanese internet and network services provider that also delivers system integration and IT outsourcing to enterprises. Operates in overlapping enterprise IT services territory in Kanto.
• Hitachi Solutions: Subsidiary of Hitachi delivering enterprise software, system integration, and consulting. Significant overlap with ThreeK&C's full-lifecycle service positioning but with broader capabilities and global footprint.
• BIPROGY: Large Japanese system integrator providing end-to-end IT services including consulting, development, and outsourcing. Competes with ThreeK&C for enterprise system development mandates in Kanto.
• Itochu Techno-Solutions (CTC): Major Japanese system integrator offering consulting, system development, and IT outsourcing to large enterprise clients. Adjacent in service catalog but at much greater scale and breadth.
• TIS Inc. Larger Japanese IT services and consulting company offering system integration, outsourcing, and consulting across similar enterprise verticals. Overlaps with ThreeK&C in core SI offerings but at a substantially larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries2 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 ThreeK&C