株式会社サンエー
株式会社サンエー is a privately held Tokyo-based interior construction and custom fixture manufacturer serving retail stores, offices, commercial facilities, and SMB clients across the Kanto region, with 35+ years of experience and full in-house design-to-installation capability.
- Company typePrivate
- Founded1979
- HeadquartersItabashi, Japan
- Headcount11–50
- GTM typeB2B
- OfferingServices
What 株式会社サンエー does
株式会社サンエー (Sanei Co., Ltd.) is a privately held Japanese interior construction and custom fixture manufacturer founded in April 1979 and headquartered in Itabashi-ku, Tokyo. The company delivers store interior construction, office interior construction, and commercial facility interior construction, alongside custom-made store fixtures, furniture, signage, and signage production. It serves retail businesses (restaurants, salons, boutiques, drugstores, electronics stores), corporate offices and educational institutions, and design/architectural firms across the greater Kanto region, with ten named enterprise customers including Okamura Corporation, Tanahashi Industries, Chubu Hanbai, Nakakomi Manufacturing, and Twinbird Corporation.
The company's core capability is in-house execution across the full project lifecycle — design planning, custom manufacturing, installation, and post-occupancy restoration — with a marketed 5-business-day turnaround for custom fixtures. It holds a Tokyo Metropolitan Government General Construction License (Type 1) No. 151553, covering interior construction, store fixtures, architectural hardware, and outdoor advertising signs. The business model is project-based, one-time revenue per engagement, with custom-quoted pricing per project and no standardized pricing tiers. The company is founder-led, with Representative Director Teruo Yoshimura overseeing operations; it is privately held with no institutional investors, no parent company, and ¥10 million in registered capital.
Revenue is project-based and dependent on construction and signage demand in the Kanto region. The only disclosed annual revenue figure is ¥670 million for FY2011 (Heisei 23); no more recent financial data is publicly available. The company employs 10-12 people, maintains direct-to-customer sales with no intermediaries, and markets primarily through its website (sa-n-e.co.jp, launched February 2017) and phone contact. Its primary relationship banks are Mitsubishi UFJ Bank (Shin-Itabashi Branch) and Kiraboshi Bank (Itabashi Branch). Operational signals include continued website updates through February 2020 and ongoing recruitment, but no funding rounds, acquisitions, geographic expansion outside Kanto, or product diversification have been disclosed.
株式会社サンエー firmographics
Firmographics- Name
- 株式会社サンエー
- Legal name
- 株式会社サンエー
- Website
- https://sa-n-e.co.jp
- Company type
- Private
- Founded year
- 1979
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- 株式会社サンエー is a privately held Tokyo-based interior construction and custom fixture manufacturer serving retail stores, offices, commercial facilities, and SMB clients across the Kanto region, with 35+ years of experience and full in-house design-to-installation capability.
- Ownership category
- akta.pro rank
株式会社サンエー industry classification
Industry- Product category
- Commercial Interior Construction & Custom Fixture Manufacturing
- NAICS
- Showcase, Partition, Shelving, and Locker Manufacturing (337215), Office Furniture (including Fixtures) Manufacturing (33721), Furniture and Related Product Manufacturing (337)
- SIC
- Miscellaneous Furniture & Fixtures (2590)
- akta.pro primary industry
- Commercial Interior Fit-Out (Offices & Corporate) (IMAFANAA)
Keywords
Where 株式会社サンエー is headquartered
LocationHeadquarters
- HQ city
- Itabashi
- HQ country
- Japan
- HQ region
- Asia
Offices1 record
Markets served
株式会社サンエー business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Marketing or Sales
Revenue model
- Interior Construction Services: One-time project-based revenue from interior construction work for stores, offices, and commercial facilities. Projects range from small custom jobs to large-scale commercial installations. Revenue is generated through direct project contracts with customers.
- Custom Fixture and Signage Manufacturing: One-time revenue from manufacturing and selling custom furniture, display fixtures, store fixtures, and signage. Products are made-to-order based on customer specifications and requirements.
- Office Furniture Sales: Sale of standard office furniture for offices and schools, complementing their custom manufacturing services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom project-based pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels2 records
株式会社サンエー product offering
Product offeringCore offering
Sane Co., Ltd. is a Tokyo-based interior construction and custom manufacturing company specializing in store, office, and commercial facility interior fit-outs. The company also manufactures custom store fixtures, furniture, and signage (from flat to three-dimensional and illuminated), covering planning, production, installation, and after-service. It serves the greater Kanto region from its Itabashi headquarters with direct engagement that eliminates middleman costs.
Product overview
株式会社サンエーは店舗・オフィス・商業施設などの内装工事を中心に、什器・家具、看板・サインの製作・施工を手掛ける総合インテリア企業です。主力サービスとして店舗内装工事、オフィス内装工事、商业施設内装の3つの内装工事軸と、什器・家具製作、看板・サイン製作の2つの製作事業を展開しています。製作日数最短5営業日という業界トップクラスのスピードを実現し、設計事務所からの施工依頼や、原状回復工事、展示場・催事场内装、ショールーム内装、特注家具製作など、多岐にわたるサービスを提供しています。
Differentiator
Problem solved
Functional benefit
Products and services
- Store Interior Construction (店舗内装工事) Interior construction services for restaurants, retail stores, salons, and other commercial outlets, covering the full project lifecycle from planning and design through construction support, leveraging over 35 years of expertise.
- Office Interior Construction (オフィス内装工事) Office interior construction focused on employee motivation, operational efficiency, and creating professional impressions for visitors, using a direct-order approach to reduce intermediate costs.
- Commercial Facility Interior Construction (商業施設内装) Interior construction for large commercial facilities that creates unified yet distinctive store spaces, preventing individual stores from being overlooked within competitive shopping environments.
- Custom Store Fixtures & Furniture Manufacturing (什器・家具製作) Custom-made store fixtures and furniture including display shelves, counters, workbenches, and specialized displays such as lighting-equipped shelves, clothing racks, and shoe storage units tailored to store atmosphere and customer needs.
- Sign & Signage Manufacturing (看板・サイン製作) Complete sign and signage production from flat to three-dimensional formats, including rooftop signs, nameplates, dimensional signage, corporate signs, and illuminated signs, covering planning, production, installation, and after-service.
- Exhibition & Event Space Interior Construction (展示場・催事場内装) Temporary exhibition and event space interior construction including design proposals, setup, and post-event removal services for venues hosting regular events.
- Showroom Interior Construction (ショールーム内装) Showroom interior construction for apartments and various facilities, focusing on creating PR-focused, visually appealing spaces that highlight products or help visitors imagine living in the space.
- Tenant Restoration Work (原状回復工事) Office restoration services for tenant move-outs including carpet/floor tile replacement, wall repainting, and cleaning to improve next occupancy rates.
- Custom Furniture Manufacturing (特注家具製作) Custom furniture manufacturing based on customer specifications, creating unique one-of-a-kind pieces tailored to specific spatial requirements.
- Construction Services for Design Firms (設計事務所向け施工サービス) Construction services for architectural firms handling projects from small-scale to large-scale projects, with 35+ years of experience in understanding site operations and meeting tight budgets.
Quantifiable outcome
- Fastest 5 business day production for custom fixtures
- +2 more outcomes
Companies that use 株式会社サンエー
Customer profileNamed customers13 records
Segments4 records
Ideal customer profiles4 records
株式会社サンエー technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
株式会社サンエー partnerships and signals
Strategic signalScale indicators6 records
Recent moves3 records
Expansion highlights3 records
株式会社サンエー competitors and assessment
Company assessmentBroad incumbents
- Itoki Corporation: Listed Japanese office furniture and interior solutions provider (7976). Comparable because Sun-E also operates in office interiors and furniture/fixture manufacturing, although Itoki is significantly larger and offers a broader portfolio including furniture leasing and space design.
- Haworth Inc. Privately-held global office furniture and interior solutions company. Comparable as a furniture and interior fit-out peer, though significantly larger and operating across multiple geographies.
- Kokuyo Co., Ltd. Japanese office furniture and interior solutions company (7984). Comparable overlap in office interior construction and furniture manufacturing, but at national scale across furniture, stationery, and broader interior solutions.
- Steelcase Inc. Global office furniture and interior solutions company. Comparable on the furniture and commercial interior dimension, though operates at massive scale primarily outside Japan and serves enterprise office fit-outs.
- Okamura Corporation: Major Japanese office furniture and interior manufacturer (7994) and one of Sun-E's listed enterprise customers. Comparable as a peer in office furniture and interior fixtures, but operates at materially larger scale and across a much broader product portfolio.
Direct peers
- Tanseisha Co., Ltd. Tokyo-listed (7922) Japanese specialty contractor for store, commercial, and event interiors, including fixture and signage production. Direct competitor to Sun-E's core retail/store interior construction business, with similar project-based, design-to-installation service offering.
- Aoyama Kogyo Co., Ltd. Japanese interior fit-out and construction firm serving retail and commercial customers. Comparable as a regional-scale interior contractor with similar service mix of design, build, and fixture work.
- Verde Co., Ltd. Japanese signage and commercial interior company producing signs, displays, and store fixtures. Comparable overlap with Sun-E's signage and store fixture manufacturing lines, though Verde is more focused on signage and operates at larger scale.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
株式会社サンエー social profiles
Digital presence株式会社サンエー compliance and trust
Trust signalCompliance1 record
株式会社サンエー financial estimates
Financial estimateRevenue estimate
Valuation estimate
株式会社サンエー leadership team
Management profileNumber of profiles
Profiles1 record
株式会社サンエー funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
株式会社サンエー 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 株式会社サンエー
What does 株式会社サンエー do?
Sane Co., Ltd. is a Tokyo-based interior construction and custom manufacturing company specializing in store, office, and commercial facility interior fit-outs. The company also manufactures custom store fixtures, furniture, and signage (from flat to three-dimensional and illuminated), covering planning, production, installation, and after-service. It serves the greater Kanto region from its Itabashi headquarters with direct engagement that eliminates middleman costs.
Is 株式会社サンエー a public or private company?
株式会社サンエー is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was 株式会社サンエー founded?
株式会社サンエー was founded in 1979. It employs 11 to 50 people.
Where is 株式会社サンエー based?
株式会社サンエー is headquartered in Itabashi, Japan, in the Asia region.
How does 株式会社サンエー make money?
Three revenue lines are on record. Interior Construction Services are the primary driver. The others are custom Fixture and Signage Manufacturing and office Furniture Sales.
Who are 株式会社サンエー's main competitors?
Broad incumbents on record are Itoki Corporation, Haworth Inc., Kokuyo Co., Ltd., Steelcase Inc. and Okamura Corporation. Direct peers are Tanseisha Co., Ltd., Aoyama Kogyo Co., Ltd. and Verde Co., Ltd..
Does 株式会社サンエー have an API?
No public API is recorded for 株式会社サンエー.
What industry is 株式会社サンエー in?
株式会社サンエー's product category is Commercial Interior Construction & Custom Fixture Manufacturing. Its primary akta.pro industry code is IMAFANAA, Commercial Interior Fit-Out (Offices & Corporate). Its NAICS code is 337215 and its SIC code is 2590.