What Next Stage does

NEXT STAGE Co., Ltd. is a Japanese data and analytics company founded in 2006 and headquartered in Osaka's Abeno Harukas building, specializing in construction quality management solutions for residential construction companies, builders, and contractors across Japan. The company addresses systemic challenges in Japan's housing industry, including skilled labor shortages, chronic construction defects (5.8% average annual defect notification rate), and stagnant on-site productivity, serving a mid-market builder base spanning thousands of companies through direct sales, partnerships, and industry events.

The company's core technology stack comprises three principal platforms: QualiZ, an analytics cloud processing approximately 40,000 nationwide audit results annually across 10 construction processes to enable 'self-driving' quality management through real-time visualization and drill-down analysis; ACRO5, a specialized learning and media platform offering approximately 600 video programs across 34 channels with e-learning, proficiency tracking, and gamification features; and RePPLI, a construction navigation app for the renovation industry. Underpinning these is approximately 200,000 cumulative construction evaluations accumulated over 15 years — a proprietary data asset that constitutes the company's most defensible competitive resource. Supporting offerings include GenKan-NS and TeiKan-NS inspection management systems, custom standard construction manual development, third-party audit services, NS Partner auditor certification, and the annual Japan Housing Quality Award.

NEXT STAGE operates a hybrid revenue model combining SaaS subscriptions (ACRO5 tiered licensing at 800-1,200 yen per license per month; QualiZ annual subscriptions; RePPLI subscription), professional services (per-project third-party audits, custom consulting), and certification programs. The company reaches customers through direct sales, an annual Japan Housing Quality Summit, an active seminar series, industry event sponsorships, and a partner network including strategic relationships with MIRATAP (joint Quality Code standard), Shikigaku (organizational management reach into 5,000+ companies), and content partners. NEXT STAGE completed its IPO on TOKYO PRO Market in May 2025 and operates with 51-100 employees.

Name

Next Stage

Legal name

NEXT STAGE Co., Ltd.

Website

https://nextstage-group.com

Company type

Public

Founded year

2006

Operating status

Ipo

Headcount range

51–100 employees

Short description

NEXT STAGE is a Japanese data and analytics company serving residential construction with cloud quality management (QualiZ), industry training (ACRO5), construction navigation (RePPLI), and third-party audit services. Listed on TOKYO PRO Market in May 2025.

Ownership category

akta.pro rank

Product category

Construction Quality Analytics

NAICS

Architectural Services (541310), Residential Building Construction (23611)

SIC

Services-Engineering, Accounting, Research, Management (8700), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Construction Engineering & Constructability Consulting (BPAHAIAN)

akta.pro secondary industries

Architecture, Construction & Building Codes Reference (Design, BIM, Safety Codes) (EDAGAGAH), Construction Progress & Draw Inspection Valuation (BPAJAKAM)

Keywords

• Construction quality analytics
• Residential construction audits
• Construction e-learning platform
• Construction workforce training
• Housing quality management software

Headquarters

HQ city

Osaka

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. ACRO5 Subscription (SaaS): Subscription-based licensing model for learning platform. Companies purchase licenses to access training content and management features. Tiered pricing based on number of licenses (5, 15, or 30+ licenses).
2. QualiZ Analytics Cloud Subscription: Analytics cloud service for housing quality management. Annual subscription model for access to quality data analytics, visualization, and improvement tracking.
3. Third-party Quality Audit Services: Per-project audit services where the company dispatches certified auditors to construction sites to evaluate quality across 10 construction processes.
4. Standard Construction Manual Development: Custom consulting service to develop company-specific construction standard manuals and quality criteria.
5. RePPLI App Services: Construction navigation app for renovation industry, expected to launch February 2026 with subscription-based access.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels8 records

Core offering

NEXT STAGE provides construction quality management solutions for residential builders and contractors in Japan. Its portfolio includes the QualiZ analytics cloud that processes approximately 40,000 annual nationwide audit results into self-driving quality insights, the ACRO5 e-learning and media platform with around 600 video programs, the RePPLI construction navigation app for renovation, the GenKan-NS and TeiKan-NS inspection management systems, and consulting offerings including standardized construction manuals and third-party construction quality audits.

Product overview

NEXT STAGE is a Data & Analytics company specializing in the construction and housing industry, offering an integrated portfolio of quality management solutions. The core platform is QualiZ, an analytics cloud that transforms nationwide audit data into actionable insights. This is complemented by ACRO5, an industry-specific learning platform with video content and e-learning tools, and RePPLI, a construction navigation app for the renovation sector. NEXT STAGE also provides ancillary systems GenKan-NS and TeiKan-NS for audit and approval document management, alongside consulting services including standardized construction manuals and third-party quality audits. The company further operates the Japan Housing Quality Award competition and the consumer-facing media platform Housing journey, constituting a comprehensive ecosystem addressing the full housing construction lifecycle from worker training and on-site execution to quality evaluation, data analytics, and consumer education.

Differentiator

Problem solved

Functional benefit

Brands

• QualiZ (クオリツ): Analytics cloud platform for housing quality management that converts audit data into actionable insights for self-driving quality improvement.
• ACRO5 (アクロファイブ)
• RePPLI (リプリ)
• GenKan-NS
• TeiKan-NS
• Japan Housing Quality Award

Products and services

• QualiZ (クオリツ) Analytics Cloud Cloud-based housing quality management analytics platform for residential construction companies. Converts approximately 40,000 annual nationwide audit results into big data, identifies quality bottlenecks across 10 construction processes, and enables autonomous improvement actions through real-time visualization, drill-down analysis, individual skill assessment, and progress tracking.
• ACRO5 (アクロファイブ) Learning & Media Platform Construction-industry specialized learning and media platform offering approximately 600 short-form video programs across 34 channels. Provides e-learning, custom learning paths, proficiency analysis, progress tracking, and gamified badge motivation for housing and construction professionals. Sold on a per-license monthly subscription (5/15/30+ license tiers) with a free tier.
• RePPLI (リプリ) Construction Navigation App Construction navigation app targeting the renovation industry that guides craftsmen through correct construction procedures while visualizing the construction process for both contractors and end users, supporting consistent execution of construction standards on site.
• GenKan-NS Inspection Record Management System Web and mobile application (iPhone/Android) for managing construction site audit records and documentation, enabling digital record-keeping and sharing of quality inspection data between auditors and construction companies.
• TeiKan-NS Approval Workflow System Web and mobile application (iPhone) for managing construction approval documentation and workflows, supporting digital sign-off and approval of construction processes for housing companies.
• Third-Party Construction Quality Audit (ヒンシツ監査) Third-party construction quality audit service for residential builders covering 10 critical non-reworkable construction processes, providing objective quality evaluations and documentation to support quality improvement and homeowner assurance. Engaged on a per-project basis.
• Standard Construction Manual (標準施工手引書) Consulting Custom consulting service that documents and develops company-specific construction standard manuals and quality benchmarks, enabling supervisors, designers, and craftsmen to operate according to the same 100% self-constructed standards. Sold as a professional services engagement.

Quantifiable outcome

• 55% of construction companies report 'management not functioning properly' - indicating widespread need for systematic quality management solutions
• +3 more outcomes

Named customers6 records

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• 株式会社ミラタップ (MIRATAP)coreStrategic or Co-development Partner · 11 May 2026Strategic partnership with MIRATAP, a housing equipment internet sales company. Together they developed the proprietary 'Quality Code' standard for construction quality standardization, applied to MIRATAP's ASOLIE design home brand 'ASOLIE SELECT PLAN'. This partnership enables quality control standards to be embedded in MIRATAP's design-focused housing business.
• 株式会社識学 (Shikigaku)coreStrategic or Co-development PartnerPartnership with Shikigaku, a company that has supported over 5,000 companies through their original organizational management methodology. NEXT STAGE collaborated with Shikigaku to address the housing industry's challenges of 'management black-boxing' and 'talent retention', helping companies build organizations that automatically achieve high results.
• 株式会社ハウスジーメン (House G-Men)coreStrategic or Co-development PartnerCollaboration with House G-Men, a company specializing in housing insurance and warranty for construction quality and homeowner peace of mind. Joint seminar on 'initial 20-year warranty' thinking and operational points, with House G-Men's executive discussing sustainable warranty and quality systems.
• 株式会社アイジーコンサルティング (IG Consulting)minorStrategic or Co-development PartnerIG Consulting, a 125-year-old company starting with termite prevention, operates IG STYLE HOUSE residential division. NEXT STAGE collaborates on seminars featuring IG Consulting executives discussing their 'after-sales-first customer-first doctrine' and team building approaches.
• 株式会社 たけでん (Takeden)minorGTM or Marketing PartnerJoint seminar co-hosted with Takeden on topics including long-term warranty risk management, brand design, and education DX. Takeden operates as a building materials and housing equipment company.
• 株式会社リフィード (Refeed)minorGTM or Marketing PartnerJoint seminar partner presenting on 'Specification Decision DX' for efficient specification processes and meeting time reduction.
• 株式会社ひかり工房 (Hikari Komuten)minorGTM or Marketing PartnerJoint seminar partner featuring representative Shimizu Hiroto, who has 260,000 social media followers, discussing brand design methodology for contractors.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Emerging players

• BuildBook: Project management and client communication tool for custom home builders. Comparable as a residential builder SaaS but smaller and narrower in scope than NEXT STAGE's analytics-plus-services bundle.
• OpenSpace: AI-powered construction site capture and analytics platform that documents and analyzes construction progress. Comparable as a construction analytics platform using site data, though NEXT STAGE specializes in residential quality audits rather than visual progress tracking.
• Pillar Technologies: Construction site sensor and analytics company focused on risk, quality, and progress monitoring on building sites. Comparable as a construction-quality data analytics vendor serving general contractors.
• Knowify: Construction management and accounting SaaS for small-to-mid market contractors and remodelers. Comparable as a vertical SaaS for residential contractors but with primary focus on job costing rather than quality analytics.
• JobProgress: CRM and project management platform for residential remodelers and contractors. Comparable as a SaaS serving mid-market residential contractors, though with greater emphasis on CRM/sales workflows than construction quality analytics.

Direct peers

• Procore Technologies: Leading construction management SaaS platform for builders and contractors globally. Comparable as a vertical SaaS serving construction firms with workflow, quality, and project management tools — though NEXT STAGE specializes deeper in residential quality analytics and Japan.
• CoConstruct: Construction project management and client communication software for custom home builders and remodelers. Comparable as a residential construction SaaS serving mid-market home builders with workflow and quality tools.
• Buildertrend: SaaS platform purpose-built for residential builders and remodelers, covering project management, customer communication, and scheduling. Highly comparable as a residential-construction-focused software provider serving similar mid-market builders.
• Houzz Pro: Software suite for residential construction and design professionals, combining project management, CRM, and marketing tools. Comparable as a residential-focused vertical SaaS targeting the same builder/contractor persona.

Broad incumbents

• Autodesk Construction Cloud: Suite of construction management and BIM tools from Autodesk, including quality and inspection capabilities. Comparable as an established broad construction software player overlapping on quality workflows, though it serves commercial and residential across global markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/nextstage.pr
• Instagraminstagram.com/nextstage.pr?igsh=Y3pwODFyZGd6MjVh

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&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Next Stage