YKK AP
YKK AP is a global building materials manufacturer producing aluminum and vinyl architectural products — windows, curtain walls, entrance doors, sliding doors, exterior systems, and aluminum profiles — serving residential and commercial construction markets across 13 countries through direct sales, distributors, and certified installer networks.
- Company typePrivate
- Founded1957
- HeadquartersTokyo, Japan
- Headcount5,001–10,000
- GTM typeB2B and B2C
- OfferingHardware or Manufacturing
What YKK AP does
YKK AP Inc. is a vertically integrated architectural products manufacturer, founded in 1957 as the building materials arm of Japan's YKK Group, with FY2025 net sales of JPY 557.6 billion and 18,422 employees as of March 2026. The company designs and manufactures aluminum and vinyl windows and sashes, curtain wall systems, entrance and sliding doors, exterior products (post units, carports, decks), interior products, and industrial aluminum profiles, operating 9 plants in Japan plus manufacturing sites in the United States, Canada, China, Taiwan, Indonesia, India, and Thailand following the December 2023 acquisition of YHS International and Siam Metal. Core technical capabilities span aluminum melting and extrusion (originating at the 1959 Kurobe facility), vinyl profile production, insulated glass manufacturing, and proprietary recycling technology targeting a 100% recycled input rate by 2030; recent technology bets include hybrid frame renovation windows that reduce installation time to roughly half a day and a perovskite BIPV inner window demonstrated with Nishimatsu Construction and Enecoat Technologies at Sapporo City Hall.
The company serves two primary end markets: residential construction (new single-family and multi-family housing) and commercial construction (curtain walls and architectural aluminum for high-rise and office buildings), with a growing renovation/remodeling segment via Madorimo and Uchirimo product lines that capture Japanese government energy-efficiency subsidy demand. Revenue is generated primarily through one-time hardware sales (windows, curtain walls, doors, profiles) supplemented by aftermarket services delivered through the YKK AP Certified Maintenance Association (300+ members) and 600+ Customer Engineers. Go-to-market combines direct enterprise sales with Field Engineers, a distributor network including MADO (Window) Shops, Experience Showrooms for professionals, and Collaboration Showrooms for consumers. Pricing is not publicly disclosed and is quote-based through local business locations.
YKK AP firmographics
Firmographics- Name
- YKK AP
- Legal name
- YKK AP Inc.
- Website
- https://ykkapglobal.com
- Company type
- Private
- Founded year
- 1957
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- YKK AP is a global building materials manufacturer producing aluminum and vinyl architectural products — windows, curtain walls, entrance doors, sliding doors, exterior systems, and aluminum profiles — serving residential and commercial construction markets across 13 countries through direct sales, distributors, and certified installer networks.
- Ownership category
- akta.pro rank
YKK AP industry classification
Industry- Product category
- Architectural Building Products
- NAICS
- Metal Window and Door Manufacturing (332321)
- SIC
- Metal Doors, Sash, Frames, Moldings & Trim (3442)
- akta.pro primary industry
- Windows (IMADAIAC)
- akta.pro secondary industries
- Exterior Doors (IMADAIAA), Interior Doors (IMADAIAB), Architectural & Building Glazing Systems (Curtain Wall/Storefront/Canopies) (IMADAHAB)
Keywords
Where YKK AP is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices16 records
Markets served
YKK AP business model
Business model- GTM type
- B2B and B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Architectural Products Sales: Sale of windows/sashes, curtain walls, entrance doors/sliding doors, exterior products, interior products, and aluminum profile products to residential and commercial construction markets. Revenue model is primarily one-time product sales with ongoing replacement and renovation demand.
- Aftermarket Services: Maintenance services through certified maintenance association, extended warranty schemes, and technical support. Field Engineers provide installation guidance and defect prevention training.
- Renovation/Remodeling Products: Specialized products for renovation including Madorimo for Detached Houses and Uchirimo resin inner windows. Government subsidy programs drive demand for energy-efficient window replacements.
Go-to-market motion3 records
Distribution channels5 records
Marketing channels7 records
YKK AP product offering
Product offeringCore offering
YKK AP manufactures and sells architectural building products across six core categories: Windows/Sashes, Curtain Walls, Entrance Doors/Sliding Doors, Exterior Products, Interior Products, and Aluminum Profile Products. The company operates a vertically integrated model from aluminum extrusion through finished window and door assembly, serving both new construction and renovation markets for residential and commercial buildings.
Product overview
YKK AP is a building materials manufacturer offering a comprehensive portfolio of architectural products organized into six core categories: Windows/Sashes, Curtain Walls, Entrance Doors/Sliding Doors, Exterior Products, Interior Products, and Aluminum Profile Products. The company operates a vertically integrated model from product development through manufacturing, installation, and maintenance. Key product lines include the allFACE series (post units integrating multiple functions), Madorimo (window renovation solutions), Uchirimo (resin inner windows), and various exterior systems like Rewood Deck S and G-Port Pro carports. YKK AP also offers specialized curtain wall systems for commercial high-rise buildings and has expanded into building-integrated photovoltaics using perovskite solar cells. The company maintains manufacturing operations across 9 plants in Japan (Tohoku, Saitama, Kurobe, Namerikawa, Shikoku, Kyushu) plus overseas facilities in North America, China, Taiwan, Indonesia, and India.
Differentiator
Problem solved
Functional benefit
Products and services
- Windows / Sashes
Quantifiable outcome
- 821 kt CO2 contributed to customer energy savings through high thermal insulation products in FY2024 (175% vs FY2020)
- +3 more outcomes
Companies that use YKK AP
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles3 records
YKK AP technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
YKK AP partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered flagship, core and minor.
- TOTO and DAIKEN (TDY Alliance)flagshipTDY alliance formed by TOTO, DAIKEN, and YKK AP has launched the 42nd TDY Remodelling Design Award 2026, inviting architects, construction firms, and renovation companies to submit remodelling projects using products from all three companies.
- Tokyo Polytechnic UniversitycoreCollaborative research between YKK AP and Tokyo Polytechnic University for the 'Gaudí: Windows on the Future' exhibition showcasing Gaudí's window designs through actual fixtures, stained-glass pieces, interactive replicas, and documentary videos.
- Tokyo Metropolitan Environmental BureaucoreAccelerator program managed by Eiicon pairing window/sash manufacturers with startups for creating new insulation renovation services. YKK AP paired with startup Saikinsou to address consumer awareness gaps, renovation costs, and contractor selection challenges.
- Eiicon Co., Ltd.coreManages the accelerator program pairing YKK AP with startup Saikinsou for developing innovative insulation renovation services. Project aims to promote energy-saving measures in Tokyo's housing sector as part of city's zero CO2 emissions goal by 2050.
- Nishimatsu Construction Co., Ltd.coreJoint demonstration contract signed with YKK AP and Enecoat Technologies for building-integrated photovoltaic (BIPV) inner windows using perovskite solar cells installed at Sapporo City Hall. The experiment runs from March 2026 to January 2027 to verify power generation performance in snowy and cold conditions.
- Enecoat Technologies Co., Ltd.coreProvides perovskite solar cell technology for BIPV inner window demonstration. Film-type technology is lightweight, transparent, and capable of generating electricity in low-light conditions. Joint project with YKK AP and Nishimatsu Construction.
- Tokyo University of the ArtscoreCollaborative initiative between industry, academia, and government for the Gaudí exhibition project. Joint research with university for 'Gaudí: Windows on the Future' exhibitions in Barcelona and Tokyo.
- Triangle BooksminorPublished book in four languages through Triangle Books as part of the Gaudí exhibition project commemorating the centenary of Antoni Gaudí's death.
- YHS International Ltd. and Siam Metal Co., Ltd.flagshipAcquisition of Thailand-based curtain wall companies YHS International Ltd. and Siam Metal Co., Ltd. to establish fourth worldwide manufacturing base. Companies design, manufacture, and supply curtain wall systems with large-scale project track records in Thailand and Japan.
Scale indicators11 records
Recent moves6 records
Expansion highlights5 records
YKK AP competitors and assessment
Company assessmentDirect peers
- LIXIL Corporation: Japan's largest building products company and YKK AP's primary domestic competitor in residential windows, doors, and interior building products. Directly comparable in product portfolio (windows, doors, exteriors) and Japan-centric GTM.
- Aluprof S.A. Polish manufacturer of aluminum window, door, and curtain wall systems serving European markets. Directly comparable in product mix and commercial/residential segmentation.
- Kawneer Company (Arconic): U.S.-based manufacturer of aluminum architectural systems including curtain walls, storefronts, and windows. Directly comparable in commercial aluminum building envelope products.
- JELD-WEN: Global manufacturer of windows, doors, and related building products with strong North American presence. Comparable in residential windows/doors but broader wood/vinyl mix.
- Schüco International: German-based global leader in aluminum window, door, and curtain wall systems. Directly comparable in commercial curtain wall technology and high-end aluminum architectural products.
- Reynaers Aluminium: Belgian specialist in aluminum solutions for windows, doors, curtain walls, and sliding systems with global presence. Directly comparable product portfolio and target segments (architects, commercial projects).
- Andersen Corporation: Privately-held U.S. window and door manufacturer with extensive North American distribution. Comparable as a long-established, privately-held window specialist competing with YKK AP America.
- Yawal Group: Turkish aluminum systems producer supplying windows, doors, and curtain walls across Europe, Middle East, and Africa. Comparable in aluminum systems and emerging-market manufacturing footprint.
Broad incumbents
- Pella Corporation: Major U.S. window and door manufacturer with broad product range across wood, vinyl, and fiberglass. Comparable in residential window category but less focused on aluminum/curtain wall.
Emerging players
- Aluk Group: Aluminum window, door, and curtain wall specialist serving UK, Europe, Middle East, and Africa. Comparable product focus on architectural aluminum systems with growing international footprint.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat6 records
Key risks5 records
Key highlights6 records
Customer concentration
YKK AP social profiles
Digital presenceYKK AP compliance and trust
Trust signalCompliance3 records
YKK AP financial estimates
Financial estimateRevenue estimate
Valuation estimate
YKK AP leadership team
Management profileNumber of profiles
Profiles15 records
YKK AP subsidiaries and ownership
Company hierarchySubsidiaries11 records
YKK AP funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
YKK AP M&A and investment
M&A and investmentM&A1 record
Investments3 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about YKK AP
What does YKK AP do?
YKK AP manufactures and sells architectural building products across six core categories: Windows/Sashes, Curtain Walls, Entrance Doors/Sliding Doors, Exterior Products, Interior Products, and Aluminum Profile Products. The company operates a vertically integrated model from aluminum extrusion through finished window and door assembly, serving both new construction and renovation markets for residential and commercial buildings.
Is YKK AP a public or private company?
YKK AP is a private company. It is classified as corporate owned and is currently operating.
When was YKK AP founded?
YKK AP was founded in 1957. It employs 5,001 to 10,000 people.
Where is YKK AP based?
YKK AP is headquartered in Tokyo, Japan, in the Asia region.
How does YKK AP make money?
Three revenue lines are on record. Architectural Products Sales are the primary driver. The others are aftermarket Services and renovation/Remodeling Products.
Who are YKK AP's main competitors?
Direct peers on record are LIXIL Corporation, Aluprof S.A., Kawneer Company (Arconic), JELD-WEN, Schüco International, Reynaers Aluminium, Andersen Corporation and Yawal Group. Pella Corporation is listed as a broad incumbent. Aluk Group is listed as an emerging player.
Does YKK AP have an API?
No public API is recorded for YKK AP.
What industry is YKK AP in?
YKK AP's product category is Architectural Building Products. Its primary akta.pro industry code is IMADAIAC, Windows, with a secondary code of IMADAIAA, Exterior Doors. Its NAICS code is 332321 and its SIC code is 3442.