What Nonaka does

Nonaka Co., Ltd. (株式会社ノナカ) is a privately held Japanese manufacturer specializing in custom-made wooden doors, founded circa 1956 and operating three product lines: the Heritage series (Yellow Douglas fir entrance and interior doors made from 500-year-old trees in the Cascade Mountains), the Precious series (doors in Myanmar teak, walnut, and mahogany), and certified fire-resistant wooden doors (60-minute 防火戸). The company serves two primary customer segments — luxury residential homeowners who commission custom entrance and interior doors for premium Japanese residences, and luxury-hotel operators who outfit guest rooms and public spaces with fire-rated wooden doors — with documented installations at the Shiroyama Hotel Kagoshima (355 rooms), ANA Crowne Plaza Hotel Matsuyama (330 rooms in continuous service for 43+ years), Nanki Shirahama Marriott Hotel, Disney Ambassador Hotel, Hotel Nikko Oita Oasis Tower, Royal Park Hotel Hiroshima Riverside, Goto Islands Resort Hotel Margherita, and Glamday Style Hotel Suite Kawanooto, alongside roughly a dozen named premium residences across Tokyo, Yokohama, Nagoya, Shiga, Shizuoka, Miyagi, and other prefectures.

Nonaka's production is grounded in proprietary structural engineering that allows wooden doors to resist warping, twisting, and cracking under extreme outdoor-to-indoor environmental differentials, in fire-resistance construction that has achieved official 60-minute 防火戸 certification, and in advanced glazing (triple-pane beveled glass with Low-E coating, argon gas fill, security film) and SECOM vein-authentication smart-lock integration. Raw materials are sourced through certified international supply chains including CITES-regulated Myanmar teak and limited rare inventory such as Indian Rosewood (Precious RNH2400V capped at 100 sets in 2024), and include single-plank LIVE EDGE doors fabricated from Black Walnut or White Oak logs exceeding 1 meter in diameter.

The company operates on a quote-based, custom-made direct-sales model in which every door is manufactured to order according to buyer-specified wood species, dimensions, glass type, hardware, and finish; prices are not publicly disclosed and were increased effective March 2026. Distribution is entirely domestic across Japan via three company-owned showrooms (Tokyo Omotesando, Kobe Iinnkan-dori, and Gifu Mizuho, the latter opened in 2022 alongside Itakura Factory), with passive additional exposure through a HAFLELE hardware showroom in Shinjuku. Headcount is reported at 11-50 employees, and a dedicated door maintenance and repaint program targets a 10-year repaint cycle, generating downstream touchpoints with the installed base.

Name

Nonaka

Legal name

株式会社ノナカ (NONAKA Co., Ltd.)

Website

https://nonaka.co.jp

Company type

Private

Founded year

1956

Operating status

Operating

Headcount range

11–50 employees

Short description

Nonaka Co., Ltd. is a Japanese manufacturer of custom-made luxury wooden doors serving high-end residential and luxury-hotel clients through owned showrooms in Tokyo, Kobe, and Gifu, producing Heritage, Precious, and Fireproof door series using rare hardwoods including Myanmar teak.

Ownership category

akta.pro rank

Product category

Custom Wooden Doors

NAICS

Wood Window and Door Manufacturing (321911)

SIC

Lumber & Wood Products (No Furniture) (2400)

akta.pro primary industry

Exterior Doors (IMADAIAA)

akta.pro secondary industry

Interior Doors (IMADAIAB)

Keywords

• Custom wooden doors
• Wooden fireproof doors
• Premium hardwood doors
• Bespoke door manufacturing
• Luxury entrance doors

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Wooden Entrance Doors: High-value custom-made wooden entrance doors sold as one-time purchases. Products include Heritage series (Yellow Douglas fir from Cascade Mountains) and Precious series (teak, walnut, mahogany). Prices are not publicly disclosed and require consultation.
2. Custom Wooden Interior Doors: Custom-made interior doors including Heritage series and Precious series, with various designs such as beveled glass, lead came, and panel configurations. Sold as bespoke products with individual pricing.
3. Fireproof Wooden Doors: Fire-rated wooden doors for commercial applications (hotels, offices, residences requiring fire compliance). Used in hotel guest rooms and public buildings with official fire certification.
4. Door Maintenance and Repaint Services: Door repair and repainting program including full-strip repainting of HD3923G series, repainting for other brands' doors, and replacement services for aging doors.
5. Specialty Wood Products (Panelling, Shelving, Countertops): Custom wood products beyond doors, including Myanmar teak wall panelling, ceiling panels, shelving, and counter tops, leveraging the company's expertise with rare hardwoods.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Nonaka designs, manufactures, and sells custom-made premium wooden doors in Japan. The product portfolio spans three lines — Heritage Series (American-colonial style using 500-year-old Yellow Douglas fir from the Cascade Mountains), Precious Series (exotic hardwoods including Myanmar teak, walnut, and mahogany), and certified wooden fireproof doors (60-minute fire resistance). All doors are built-to-order with bespoke sizes, wood species, glass, hardware, and finishes, complemented by door repair/repaint services and specialty wood products (panelling, shelving, countertops).

Product overview

株式会社ノナカ (Nonaka) is a specialized wooden door manufacturer with over 70 years of history, offering three main product lines: Heritage Series (American standard design using Yellow Douglas Fir), Precious Series (premium doors using world-class exotic woods including Myanmar Teak, Walnut, and Mahogany), and Fireproof Doors (certified fire-resistant doors with the company's signature 'fire latch'). The company provides custom-made capabilities for bespoke configurations and has released limited anniversary editions including BLACK TEAK and LIVE EDGE single-board doors. Nonaka serves both residential (individual homes, multi-generational residences) and commercial clients (luxury hotels including Disney Ambassador Hotel, Marriott, ANA Crown Plaza, and resort properties).

Differentiator

Problem solved

Functional benefit

Brands

• Heritage Series: Traditional American-style wooden entrance and interior doors made from Yellow Douglas fir (500-year-old trees from Cascade Mountains, Washington/Oregon, USA). Features beveled glass designs with thermal insulation and security properties.
• Precious Series
• NONAKA 70th Anniversary Edition - BLACK TEAK
• LIVE EDGE

Products and services

• Heritage Series Wooden Entrance Doors American Colonial-style custom wooden entrance doors made from Yellow Douglas fir sourced from 500-year-old trees in the Cascade Mountains (Washington/Oregon). Includes models HD5920G, HD6330G, HD6310G, HD3915G with beveled glass, triple-layer thermal insulation, sound insulation, and security features. Target customers are luxury residential homeowners and hotel developers.
• Precious Series Wooden Entrance Doors Premium custom wooden entrance doors manufactured from world-class exotic hardwoods including Myanmar Teak, Walnut, and Mahogany. Achieved the highest H-6 thermal insulation rating at a public testing institute, suitable for both cold and warm climates. Models include THD2495V, THD2495H, WHD2495, MHD2495V. Target customers are luxury residential clients and premium hospitality properties.
• Heritage Series Wooden Interior Doors Elegant custom wooden interior doors with American Colonial-style design, using Yellow Douglas fir. Available with beveled glass options, lead came designs, and various panel configurations. Models include NH2282G, NH2281G, NH2242G, NK2282G-D. Target customers are homeowners seeking premium interior finishes and hotels matching their entrance door design language.

Quantifiable outcome

• Doors have been maintained in service for over 43 years (ANA Crowne Plaza Hotel Matsuyama, 330 rooms)
• +3 more outcomes

Named customers26 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature5 records

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Sankyo Tateyama, Inc. Japanese manufacturer of building materials including entrance doors, shutters, and aluminium/wood hybrid openings for residential and commercial projects. Comparable on Japanese market coverage, distributor/showroom-led specification motion, and overlap with luxury residential new-builds.
• Sanwa Shutter Corporation: Established Japanese manufacturer of shutters, doors, and building openings including fire-rated door products sold through a domestic showroom network. Most direct Japanese competitor overlapping on fire-rated wooden/steel door specifications for hotels and commercial buildings.
• Bunka Shutter Co., Ltd. Major Japanese building-opening manufacturer (shutters, doors, partitions) serving commercial and residential construction including fire-rated doors. Comparable on Japanese distribution scale, B2B specification channel, and product breadth across wood, steel, and fire-rated openings.

Emerging players

• Marvin Windows and Doors: US premium manufacturer of custom windows and doors in wood and wood-clad lines, with a strong specification channel via architects and high-end builders. Comparable on premium custom-made wood door positioning, architect-driven sales motion, and ultra-long product lifespan expectations.
• Garofoli Group: Italian luxury interior door maker known for bespoke wood, glass, and brass doors specified in high-end residences and hotels. Most comparable peer on the 'custom-made premium wood interior and entrance door' proposition, though primarily serving European luxury residences rather than Japanese hotel fire-rated applications.
• Rimadesio SpA: Italy-based premium manufacturer of interior architectural systems including bespoke wood and glass sliding/hinged doors for luxury residences and designer hospitality. Comparable on bespoke wood-door craftsmanship, premium showroom-led discovery motion, and emphasis on Italian/Japanese minimalism aesthetic overlap.

Broad incumbents

• ASSA ABLOY: Global access solutions group covering fire-rated doors, electronic locks, and architectural openings including integration with smart credential platforms. Comparable via nonaka's enterprise specification + SECOM smart-key channel and the fire-rated hotel construction overlap.
• JELD-WEN Holding: One of the world's largest manufacturers of interior and exterior doors and windows, including wood, composite, and fire-rated lines distributed through dealers and big-box retail. Comparable on wood-door product category and door-replacement aftermarket, though serving mass-market rather than bespoke luxury.
• Masonite International: Global door manufacturer with strong presence in interior wood doors and architectural specifications for hospitality and residential. Comparable on architectural-specification channel and recurring replacement demand, but operates at higher volume and lower customisation than Nonaka.
• Hörmann KG: Germany-based global leader in doors, frames, and operators across wood, steel, and aluminium, including certified fire and smoke-rated doors. Comparable on fire-rated wood-door technology at scale and enterprise specification channel, though serving wider price tiers than Nonaka's bespoke luxury focus.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors2 records

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 Nonaka