NYK Systems
NYK Systems is a Japanese private software company (founded 2006, ~66 employees) that develops and sells Rebro, a specialized CAD platform for HVAC, electrical, and building equipment design used by Japanese construction contractors and design offices.
- Company typePrivate
- Founded2006
- HeadquartersTokyo, Japan
- Headcount51–100
- GTM typeB2B
- OfferingSoftware
What NYK Systems does
NYK Systems Inc. (株式会社ＮＹＫシステムズ) is a Japanese private software company founded in June 2006 that develops and sells Rebro, a specialized building equipment CAD platform. Rebro is purpose-built for HVAC, sanitation, electrical, and prefabrication workflows used by Japanese building equipment contractors and design offices, integrating 3D modeling, BIM data exchange with major platforms (BIMXD, BIMcloud, GyroEye, SPIDER+, CheX, Pinspect, Revit), automatic component placement and connection, CG visualization, and an extensive manufacturer component library. The company is headquartered in Tokyo with sales and two R&D offices in Osaka, employs approximately 66 people (April 2025), and operates under President Yoichiro Watanabe with no disclosed external venture capital backing; ownership is tied to a group of related Japanese corporations.
The business model combines perpetual and subscription software licenses, monthly rental plans, annual maintenance contracts, paid training seminars, and free educational licenses for schools. Distribution is primarily through direct sales in Tokyo and Osaka supplemented by a domestic sales partner network and overseas sales partners, with lead generation driven by in-person and online seminars, exhibitions, YouTube content, and email newsletters. As of 2026, the latest release Rebro2026 has been made available in English and Chinese, and the company transitioned from physical package delivery to digital license certificates. Recent strategic activity includes co-development contracts with major HVAC contractors Sanki Industry and Shinnihon Air Conditioning (May 2026) and ongoing expansion of the manufacturer component library with parts from Mitsubishi Electric, TOTO, Bridgestone, and others. Revenue is not publicly disclosed.
NYK Systems firmographics
Firmographics- Name
- NYK Systems
- Legal name
- 株式会社 ＮＹＫシステムズ
- Website
- https://nyk-systems.co.jp
- Company type
- Private
- Founded year
- 2006
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- NYK Systems is a Japanese private software company (founded 2006, ~66 employees) that develops and sells Rebro, a specialized CAD platform for HVAC, electrical, and building equipment design used by Japanese construction contractors and design offices.
- Ownership category
- akta.pro rank
Where NYK Systems is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices4 records
Markets served
NYK Systems business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations
Revenue model
- Software License Sales: Sale of purchase licenses for Rebro CAD software with perpetual or subscription options. Pricing tiers based on version and configuration.
- Software Rental: Rental plan option for Rebro software for customers preferring not to purchase outright.
- Maintenance Services: Annual maintenance contracts providing updates, technical support, and access to new versions.
- Training and Seminars: Paid training courses and educational seminars for Rebro users.
- Educational Licenses: Free and discounted educational licenses for schools and educational institutions.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Purchase License - Full version with optional maintenance |
| Subscription | Monthly | Rental Plan |
| Freemium | Annual | Educational License |
| Subscription | Annual | Maintenance Service |
Go-to-market motion1 record
Distribution channels5 records
Marketing channels7 records
NYK Systems product offering
Product offeringCore offering
NYK Systems develops and sells Rebro, a building equipment CAD software used for HVAC, sanitation, electrical, and construction design. The software provides 3D modeling, BIM data integration, fabrication support (pipe, duct, and PE pipe processing), and an extensive building equipment component library, sold through perpetual or subscription licenses, rental plans, and annual maintenance contracts.
Product overview
NYK Systems offers Rebro, a unified building equipment CAD software platform. The core product is Rebro, available in versioned releases (Rebro2026 being the latest). The platform provides comprehensive features for HVAC/sanitation, electrical, construction, and parts management with integrated 3D modeling, CG visualization, and BIM data integration. Related offerings include a free Rebro Viewer for file viewing, educational licenses for schools, and maintenance services. The product also includes fabrication modules for pipe processing, duct processing, and PE pipe processing, as well as add-in functions for Revit integration.
Differentiator
Problem solved
Functional benefit
Brands
- レブロ (Rebro): Building equipment CAD software for HVAC, electrical, and plumbing design. Includes features for BIM data collaboration, 3D modeling, fabrication support, and various add-in integrations.
Products and services
- Rebro (レブロ) Building equipment CAD software for HVAC (air conditioning and sanitation), electrical systems, construction, and parts management. Provides 3D modeling, CG visualization, BIM data integration, and fabrication support, sold via purchase or subscription licenses to building equipment contractors and design offices.
- Rebro Viewer (レブロビューア) Free viewer application for opening and inspecting Rebro project files without a full Rebro license, used by prospects, collaborators, and project stakeholders to review building equipment CAD designs.
- Educational License (教育用ライセンス) Free or discounted Rebro license provided to schools, universities, and training institutions for teaching building equipment design and integrating Rebro into curricula.
- Maintenance Service (保守サービス) Annual maintenance contract providing Rebro users with software updates, technical support, version upgrades, and access to customer-only downloads and resources.
- Paid Rebro Training Seminars (レブロ有償講習) Fee-based training courses covering Rebro features and workflows, delivered as in-person seminars to help building equipment designers and contractors gain proficiency with the software.
Companies that use NYK Systems
Customer profileNamed customers10 records
Segments3 records
Ideal customer profiles3 records
NYK Systems technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration7 records
Feature7 records
NYK Systems partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core and minor.
- Sanki Industry Corporation (三機工業株式会社)coreJoint development partner for Rebro CAD software. Companies are collaborating on product development for building equipment design solutions.
- Shinnihon Air Conditioning Corporation (新日本空調株式会社)coreJoint development partner for Rebro CAD software. Partnership announced in May 2025 for co-development of building equipment design tools.
- Construction RX Consortium (建設RXコンソーシアム)minorIndustry consortium participation for construction digital transformation initiatives.
- Building Equipment System Research Group (設備システム研究会)minorIndustry research group focused on building equipment systems technology.
- Tokyo Building Equipment Design Office Association (東京都設備設計事務所協会)minorProfessional association for building equipment design offices in Tokyo.
- Sales Partners NetworkcoreNetwork of domestic sales partner companies reselling Rebro CAD software throughout Japan.
- Overseas Sales PartnersminorInternational sales partners distributing Rebro in overseas markets outside Japan.
Scale indicators2 records
Recent moves3 records
Expansion highlights5 records
NYK Systems competitors and assessment
Company assessmentBroad incumbents
- Autodesk (Revit): Revit is the dominant general-purpose BIM platform in construction and overlaps directly with Rebro's MEP/electrical/sanitation design scope; Autodesk's size and channel make it Rebro's largest competitive incumbent.
- Bentley Systems (OpenBuildings): Bentley offers OpenBuildings and AECOsim building design solutions serving the same architectural/engineering customer base as Rebro, and competes for institutional and infrastructure-grade projects.
- Dassault Systèmes (CATIA / 3DEXPERIENCE): Dassault's 3DEXPERIENCE platform extends to AEC and MEP-relevant design disciplines, and competes for large-scale digital engineering transformation budgets that sometimes include Rebro today.
- Nemetschek Group (Graphisoft / Vectorworks): Nemetschek's Graphisoft ArchiCAD and Vectorworks are architectural BIM/CAD platforms with growing MEP relevance; they compete with Rebro for the building design workflow budget at large AEC firms.
- Trimble (Tekla / Staircon): Trimble's structural and MEP portfolio (Tekla, MagiCAD, Staircon) provides overlapping functionality for building equipment and structural design, competing with Rebro in the same AEC accounts.
Emerging players
- Bricsys (BricsCAD BIM): Bricsys offers a CAD platform with a BIM module and MEP-relevant extensions; it competes with Rebro primarily among cost-sensitive AEC firms and is gaining traction as an alternative to higher-priced incumbents.
- SOLIBRI (Trimble): Solibri's model checking and BIM coordination tools overlap with parts of Rebro's clash detection and design validation capabilities for building equipment models.
- CSD & Partners (SCIA / CSD Software): CSD's SCIA Engineer and related structural/MEP tools offer another European-rooted option for building services design that overlaps with Rebro's structural and MEP coverage.
Direct peers
- Trimble MEP / MagiCAD: Trimble-owned MagiCAD is the closest international peer to Rebro, providing MEP-specific CAD and BIM design for HVAC, piping, and electrical systems — directly overlapping with NYK Systems' core building equipment focus.
Regional players
- Quadra (Win-Qube / CALS / construction software): Quadra is a Japanese vendor of construction-sector IT tools and related design platforms, competing with NYK Systems in the same Japanese building equipment and AEC software market.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
NYK Systems social profiles
Digital presenceNYK Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
NYK Systems leadership team
Management profileNumber of profiles
Profiles1 record
NYK Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
NYK Systems 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 NYK Systems
What does NYK Systems do?
NYK Systems develops and sells Rebro, a building equipment CAD software used for HVAC, sanitation, electrical, and construction design. The software provides 3D modeling, BIM data integration, fabrication support (pipe, duct, and PE pipe processing), and an extensive building equipment component library, sold through perpetual or subscription licenses, rental plans, and annual maintenance contracts.
Is NYK Systems a public or private company?
NYK Systems is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was NYK Systems founded?
NYK Systems was founded in 2006. It employs 51 to 100 people.
Where is NYK Systems based?
NYK Systems is headquartered in Tokyo, Japan, in the Asia region.
How does NYK Systems make money?
Five revenue lines are on record. Software License Sales are the primary driver. The others are software Rental, maintenance Services, training and Seminars and educational Licenses.
Who are NYK Systems's main competitors?
Broad incumbents on record are Autodesk (Revit), Bentley Systems (OpenBuildings), Dassault Systèmes (CATIA / 3DEXPERIENCE), Nemetschek Group (Graphisoft / Vectorworks) and Trimble (Tekla / Staircon). Emerging players are Bricsys (BricsCAD BIM), SOLIBRI (Trimble) and CSD & Partners (SCIA / CSD Software). Trimble MEP / MagiCAD is listed as a direct peer. Quadra (Win-Qube / CALS / construction software) is listed as a regional player.
Does NYK Systems have an API?
No public API is recorded for NYK Systems.