OfferBox
OfferBox, operated by i-plug, Inc., is a Japan-focused reverse-recruitment (オファー型) marketplace where 250,000+ registered university students receive job and internship offers directly from companies, monetized through corporate placement fees under Japan's Employment Security Act.
- Company typePrivate
- Founded2012
- HeadquartersTokyo, Japan
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What OfferBox does
OfferBox, operated by i-plug, Inc. (株式会社i-plug, headquartered in Osaka, Japan, founded 2012), is a reverse-recruitment (逆求人型) online platform for new-graduate hiring in Japan. The core product inverts the traditional Japanese job-hunting flow: students register, build a self-promotion profile including text, photos, videos, and aptitude results, and qualified companies proactively send interview and internship offers to students whose profiles match their hiring criteria, rather than students applying to companies. The platform has accumulated roughly 250,000 registered students across the 2027 graduating cohort and over 22,767 cumulative corporate accounts, with 69% of Tokyo Stock Exchange Prime-listed companies reportedly holding an OfferBox account.
The technology stack centers on a web and mobile (iOS/Android) self-service marketplace with profile matching, direct messaging, and an integrated proprietary psychometric module called AnalyzeU+, which scores students on 28 attributes across 'social basic abilities' and 'next-generation leadership abilities' using data accumulated from approximately 1 million diagnoses, and segments users into 8 animal-personality typologies. Supporting products include OfferBoxPLUS (human career-advisor service), 人事ZINE (HR professional web magazine), 就活ボイス and OfferBox Story (student success content), and an enterprise API integration via Thinkings Inc. The platform holds an employment placement business license under Japan's Employment Security Act (license number 27-ユ-301841) and ISMS certification.
The business model is two-sided and primarily transaction-based. Students use the service for free. Corporations pay placement fees (documented at 100% of first-year annual salary for indefinite-term placements, with a refund if the candidate declines before start date). Distribution combines a self-service product-led motion for students with a direct enterprise sales team and a tiered certified channel-partner network (Platinum/Gold/Silver) of recruiting agencies and HR consultancies for corporate accounts. i-plug generates revenue from per-placement fees on the core platform plus premium advisor services from OfferBoxPLUS, while operating within the regulated Japanese recruitment-services framework.
OfferBox firmographics
Firmographics- Name
- OfferBox
- Legal name
- 株式会社i-plug
- Website
- https://offerbox.jp
- Company type
- Private
- Founded year
- 2012
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- OfferBox, operated by i-plug, Inc., is a Japan-focused reverse-recruitment (オファー型) marketplace where 250,000+ registered university students receive job and internship offers directly from companies, monetized through corporate placement fees under Japan's Employment Security Act.
- Ownership category
- akta.pro rank
OfferBox industry classification
Industry- Product category
- Recruitment Platform / HR Tech
- NAICS
- Employment Placement Agencies (561311), Employment Services (5613), Professional and Management Development Training (61143)
- SIC
- Services-Employment Agencies (7361)
- akta.pro primary industry
- Job Placement, Matching & Career Navigation Services (EDAAAOAL)
- akta.pro secondary industry
- Internship/Apprenticeship Matching & Work-Based Learning Platforms (EDAFAMAL)
Keywords
Where OfferBox is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices1 record
Markets served
OfferBox business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Student services: Free for students - registration, profile creation, aptitude diagnostics, and receiving job offers are all provided at no cost. The service is funded by corporate recruitment fees.
- Corporate recruitment services: Companies pay for access to the platform's candidate database and direct recruitment capabilities. The service operates as a licensed employment placement service (職業紹介) under Japanese law, with fees based on successful placements.
- OfferBoxPLUS premium service: Career advisor-supported job hunting assistance service with personalized company introductions, profile review, and one-on-one consulting. Available for free to students with career advisor matching.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Others | Free for students |
| Transaction based/ take rate | Others | Corporate recruitment fees |
Go-to-market motion1 record
Distribution channels5 records
Marketing channels7 records
OfferBox product offering
Product offeringCore offering
OfferBox is a reverse-recruitment (逆求人) job hunting platform for new graduates in Japan where university students register profiles for free and receive interview and internship offers directly from interested companies based on profile and aptitude matching. The platform also includes the AnalyzeU+ proprietary aptitude diagnostic tool and an OfferBoxPLUS career advisor premium service, while revenue is generated through placement-based fees paid by corporate clients.
Product overview
OfferBox operates as a unified reverse-recruitment platform for new graduate hiring in Japan, consisting of a core matching service (OfferBox) enhanced by an integrated aptitude assessment tool (AnalyzeU+), a premium advisory add-on (OfferBoxPLUS), a content resource hub (就活ボイス, OfferBox Story), and an HR professional magazine (人事ZINE). The ecosystem enables companies to proactively recruit university students through personalized job offers based on profile content and career aptitude matching.
Differentiator
Problem solved
Functional benefit
Brands
- OfferBoxPLUS: Career advisory service with career consultants providing one-on-one support for job hunting, including profile review and company matching
- AnalyzeU+
- 人事ZINE
Products and services
- OfferBox (オファーボックス) Reverse-recruitment job hunting platform where university students register profiles for free and receive interview and internship offers directly from interested Japanese corporations based on profile and aptitude matching.
- OfferBoxPLUS (オファーボックスプラス)
Quantifiable outcome
- 93.6% offer receipt rate for students with 80%+ profile completion
- +1 more outcomes
Companies that use OfferBox
Customer profileNamed customers23 records
Segments2 records
Ideal customer profiles2 records
OfferBox technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
AI capability4 records
Feature2 records
OfferBox partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered core, platinum and gold.
- 株式会社i-plugcorei-plug is the parent company and operator of OfferBox and OfferBoxPLUS. The company is listed as the licensed employment agency operator (許可番号:27-ユ-301841) for the recruitment services. i-plug is headquartered in Osaka with representative Minamikawa Sho as General Manager of OfferBoxPLUS Business Promotion Department.
- ネオキャリア (株式会社ネオキャリア)platinumPlatinum tier certified partner providing OfferBox sales and implementation support services to corporate clients.
- プレイス&アビリティ (株式会社プレイス&アビリティ)platinumPlatinum tier certified partner providing OfferBox sales and implementation support services.
- ヒトツメ株式会社platinumPlatinum tier certified partner providing OfferBox sales and implementation support services.
- Legaseed (株式会社Legaseed)goldGold tier certified partner.
- 株式会社CONSCIENCEgoldGold tier certified partner.
- 株式会社ユニバースelizegoldGold tier certified partner.
- 株式会社アズライトgoldGold tier certified partner.
- 株式会社採用総研goldGold tier certified partner.
- 株式会社ONEgoldGold tier certified partner.
- 株式会社シンミドウgoldGold tier certified partner.
Scale indicators5 records
Recent moves7 records
Expansion highlights6 records
OfferBox competitors and assessment
Company assessmentDirect peers
- Wantedly: Japanese reverse-recruitment / talent marketplace platform connecting candidates with companies through profile-based matching. Most directly comparable to OfferBox in business model (employers reach out to candidates), with a slightly broader scope across experience levels.
- キミスカ (Kimisuka): Reverse-recruitment platform focused on new graduates in Japan, with offer-based matching similar to OfferBox. Operates as a direct category competitor targeting the same student and corporate segments.
- dodaキャンパス (Recruit): Recruit's reverse-recruitment service for new graduates using an offer-based model. Directly competes with OfferBox in the same Japanese new-graduate funnel, backed by Recruit's larger database and marketing scale.
- キャリアチケット (Career Ticket): New-graduate recruitment service combining offer-based matching with career advisor support — closely mirroring OfferBox's OfferBoxPLUS layer. Direct competitor in the assisted new-grad recruiting segment.
Broad incumbents
- マイナビ (Mynavi): Major Japanese job portal and HR services provider competing with OfferBox in new-graduate recruiting as part of a broader portfolio including mid-career placement, media and events.
- リクナビ (Rikunabi) — Recruit: Japan's largest new-graduate job-search portal operated by Recruit. Competes broadly in the same market but via a traditional application-based (rather than offer-based) flow, and across a much wider portfolio of HR services.
- Indeed Japan: Global job-search aggregator with a Japanese operation covering new-graduate and experienced-hire listings. Competes indirectly for corporate recruiting budgets but lacks OfferBox's reverse-offer model.
- LinkedIn (Japan): Global professional network increasingly used for early-career and new-graduate recruiting in Japan. A broad incumbent whose profile-based matching overlaps loosely with OfferBox's core value proposition.
Emerging players
- Handshake: US college-student recruiting platform connecting students and employers via profile-based matching. Conceptually similar to OfferBox's reverse-recruitment model but at much larger scale in the US market.
Regional players
- JobTeaser: European graduate recruitment platform integrated with universities, focused on early-career employer branding and job matching. Comparable business model to OfferBox but operating in EMEA rather than Japan.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
OfferBox social profiles
Digital presenceOfferBox compliance and trust
Trust signalCompliance1 record
OfferBox financial estimates
Financial estimateRevenue estimate
Valuation estimate
OfferBox leadership team
Management profileNumber of profiles
Profiles4 records
OfferBox subsidiaries and ownership
Company hierarchySubsidiaries2 records
OfferBox funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
OfferBox 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 OfferBox
What does OfferBox do?
OfferBox is a reverse-recruitment (逆求人) job hunting platform for new graduates in Japan where university students register profiles for free and receive interview and internship offers directly from interested companies based on profile and aptitude matching. The platform also includes the AnalyzeU+ proprietary aptitude diagnostic tool and an OfferBoxPLUS career advisor premium service, while revenue is generated through placement-based fees paid by corporate clients.
Is OfferBox a public or private company?
OfferBox is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was OfferBox founded?
OfferBox was founded in 2012. It employs 101 to 250 people.
Where is OfferBox based?
OfferBox is headquartered in Tokyo, Japan, in the Asia region.
How does OfferBox make money?
Three revenue lines are on record. Student services are the primary driver. The others are corporate recruitment services and offerBoxPLUS premium service.
Who are OfferBox's main competitors?
Direct peers on record are Wantedly, キミスカ (Kimisuka), dodaキャンパス (Recruit) and キャリアチケット (Career Ticket). Broad incumbents are マイナビ (Mynavi), リクナビ (Rikunabi) — Recruit, Indeed Japan and LinkedIn (Japan). Handshake is listed as an emerging player. JobTeaser is listed as a regional player.
Does OfferBox have an API?
Yes. OfferBox won the 'Long Partnership' award from Thinkings Inc. at Best Recruit Matching Award 2022 for their API integration that contributes to optimal matching for companies using the service. This indicates a partner-facing API exists for enterprise recruitment systems integration.
What industry is OfferBox in?
OfferBox's product category is Recruitment Platform / HR Tech. Its primary akta.pro industry code is EDAAAOAL, Job Placement, Matching & Career Navigation Services, with a secondary code of EDAFAMAL, Internship/Apprenticeship Matching & Work-Based Learning Platforms. Its NAICS code is 561311 and its SIC code is 7361.