jinzai-kenkyusho

What jinzai-kenkyusho does

株式会社人材研究所 (Jinzai Kenkyusho) is a Tokyo-headquartered boutique HR and recruitment consulting firm founded on October 5, 2011 by Toshimitsu Sowa, a former HR general manager at Recruit, Open House, and Lifenet Life Insurance. The firm operates with 26 employees as of April 2025 and serves primarily Japanese enterprise and mid-market clients across verticals including construction, IT, healthcare, education, finance, and M&A platforms. Its core offering consists of five professional-services lines: recruitment consulting, recruitment process outsourcing (RPO), interviewer training, HR system consulting (grade/evaluation/compensation design), and full-spectrum HR consulting covering the six HR functions (recruitment, development, placement, evaluation, compensation, metabolism).

The firm's underlying methodology combines psychology, statistics, and organizational theory — branded internally as "fact & logic & theory" — and is differentiated by three proprietary frameworks: HR Cross Analysis (organizational diagnosis), STAR+T2 interview methodology (extending standard STAR with Thinking/Trial-and-Error assessment), and a competency evaluation framework. Service delivery is project-based, multi-year, and bespoke to each client, with no public pricing; engagements begin via free initial consultation and lead to scoped proposals, with typical timelines of 3 months for diagnostic work and 8-12+ months for full HR system design. A licensed 有料職業紹介事業 (paid job placement) operation enables RPO services under license 13-ユ-305303.

The go-to-market is direct sales-led and content-driven: the 人事Lab blog, SEO-optimized service pages, free downloadable Excel templates (interview evaluation sheets, scouting measurement, recruitment diagnostics), and active founder/media presence (TV, Diamond Online, Toyo Keizai, Nikkei Business, conferences) generate inbound demand. Revenue mechanics rely entirely on bespoke professional-services fees quoted by scope; no channel partners, resellers, or marketplace listings exist. The firm is privately held, founder-led, with ¥10M stated capital and no disclosed external funding, owning its content IP through 20+ published books and an active consulting team.

Name

jinzai-kenkyusho

Legal name

株式会社人材研究所

Website

https://jinzai-kenkyusho.co.jp

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

11–50 employees

Short description

株式会社人材研究所 is a Tokyo-based boutique HR and recruitment consulting firm founded in 2011, offering five core services — recruitment consulting, RPO, interviewer training, HR system design, and full-spectrum HR consulting — to Japanese enterprise and mid-market clients using proprietary psychology-grounded methodologies and content-driven inbound sales.

Ownership category

akta.pro rank

Product category

HR & Recruitment Consulting

NAICS

Human Resources Consulting Services (541612), Management Consulting Services (54161), Employment Placement Agencies (561311)

SIC

Services-Management Consulting Services (8742), Services-Employment Agencies (7361)

akta.pro primary industry

Human Capital & Workforce Transformation Consulting (BPAHACAE)

akta.pro secondary industries

Organization Design & Operating Model Consulting (BPAHAGAB), People Analytics, Assessment & Psychometrics Consulting (BPAHAGAH), Recruiting Administration Outsourcing (Recruitment Support, Scheduling, Onboarding Ops) (BPACAKAG)

Keywords

• HR consulting services
• Recruitment consulting
• Interviewer training
• HR system design
• Talent acquisition advisory

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Consulting Fees: Project-based consulting fees for HR strategy, recruitment, and organizational development engagements. Fees are quoted based on project scope, duration, and team size.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels7 records

Core offering

株式会社人材研究所 is a Tokyo-based HR and recruitment consulting boutique that sells five core consulting services to Japanese companies: recruitment consulting (採用コンサルティング), recruitment process outsourcing / RPO (採用代行・アウトソーシング), interviewer training (面接官研修), HR system consulting (人事制度コンサルティング), and comprehensive HR consulting (人事コンサルティング). Engagements are project-based, rooted in a "Fact & Logic & Theory" methodology that fuses psychology, statistics, and organizational theory, and supported by the proprietary HR Cross Analysis diagnostic, STAR+T2 interview methodology, and competency evaluation framework.

Product overview

人材研究所 operates as a human resources and recruitment consulting firm offering five core consulting services: 採用コンサルティング (Recruitment Consulting), 採用代行・アウトソーシング (Recruitment Process Outsourcing), 面接官研修 (Interviewer Training), 人事制度コンサルティング (HR System Consulting), and 人事コンサルティング (HR Consulting). These services are supported by 人事Lab., a content platform providing articles and insights, and a suite of downloadable resource templates. The firm addresses the full HR lifecycle from talent acquisition through evaluation, compensation, development, and organizational metabolism, grounded in psychology, statistics, and organizational theory.

Differentiator

Problem solved

Functional benefit

Products and services

• Recruitment Consulting (採用コンサルティング) Recruitment consulting that organizes recruitment criteria, selection processes, and interview operations to achieve reproducible hiring for Japanese companies. Supports persona definition, evaluation item design, interview question design, evaluation sheet creation, and interviewer rollout.
• Recruitment Process Outsourcing / RPO (採用代行・アウトソーシング) Recruitment process outsourcing that handles recruitment operations on behalf of clients, including scouting, interviews, scheduling, agent management, and candidate follow-up. Combines consulting knowledge to improve processes and provide improvement proposals.
• Interviewer Training (面接官研修) Interviewer training program that develops stance, information gathering, assessment, and motivation formation skills for interviewers. Customizable design and implementation tailored to each company's situation, including practical exercises and mock interviews.
• HR System Consulting (人事制度コンサルティング) HR system consulting that designs grade systems, evaluation systems, and compensation systems based on careful visualization of employee characteristics and organizational current state. Provides training and ongoing support to ensure systems are rooted in practice.
• HR Consulting (人事コンサルティング) Comprehensive HR consulting covering all HR functions (recruitment, development, placement, evaluation, compensation, metabolism). Supports from HR policy design to execution based on facts and theory, adapting flexibly to complex challenges.
• Jinji Lab. (人事Lab.) — Content Platform Knowledge sharing platform operated by 株式会社人材研究所 staff covering themes in recruitment, HR, and organization. Publishes articles categorized by recruitment methods, interview techniques, organizational development, and recruitment strategy.
• Free Downloadable Resources (Templates) Free downloadable resources including interview evaluation sheets, recruitment management templates, candidate follow-up charts, scouting measurement sheets, recruitment diagnostic service materials, and individual service brochures.

Quantifiable outcome

• Client company grew from 1 to 9 new graduate hires annually (Asahi Net case)
• +3 more outcomes

Named customers6 records

Segments2 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Emerging players

• HRBrain: Japanese HR-tech platform offering talent management, evaluation, and organization visualization modules — an emerging threat to the firm's HR system consulting work, especially as mid-market clients adopt software-led approaches.
• SmartHR: Leading Japanese HR-tech platform for HR administration, employee data, and increasingly evaluation/compensation workflows — adjacent rather than directly competing, but progressively absorbing tasks that HR system consultants like 人材研究所 used to scope as project work.

Broad incumbents

• PwC Consulting Japan: Big-4 consulting firm with a People & Organization practice delivering HR strategy, organization design, and HR-tech-enabled transformation — competes for large Japanese HR system redesigns that 人材研究所 also targets.
• Deloitte Tohmatsu Consulting: Big-4 consulting firm in Japan with a Human Capital practice covering HR transformation, organization design, and M&A HR — overlaps with 人材研究所 at the enterprise end of the market and threatens to push downstream into mid-market HR engagements.
• Recruit Management Solutions: The HR solutions arm of Recruit Group, providing HR consulting, training, and assessment services across Japan at much larger scale — the firm where founder Sowa built his career; overlaps with 人材研究所 across all five service lines but operates at enterprise scale.
• Mercer: Global consulting firm with a strong HR and rewards practice (compensation, evaluation, talent strategy) — directly competes with 人材研究所's HR system consulting work for larger Japanese multinational clients.
• Korn Ferry: Global HR consulting and executive search firm with a Japan presence offering talent acquisition, organization design, and reward consulting — competes for the same enterprise HR transformation engagements that 人材研究所 targets.

Direct peers

• Active and Company: Japanese HR consulting boutique focused on organizational development, evaluation/compensation system design, and recruitment support — directly overlapping with 人材研究所's HR system consulting and HR consulting service lines for mid-market Japanese clients.
• P&E Directions: Long-standing Japanese HR consulting firm offering recruitment consulting, HR system design, and organizational development services to mid-market and enterprise clients — comparable in scope and methodology emphasis to 人材研究所.
• Legend Consulting: Japan-based HR strategy and recruitment consulting boutique specializing in hiring process redesign, HRBP development, and organizational transformation — closely comparable in target client (mid-market Japanese firms) and project-based bespoke delivery.

Market position

Strengths5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/jinzaikenkyusho
• Instagraminstagram.com/ando_jinji

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 jinzai-kenkyusho