株式会社三和

What 株式会社三和 does

株式会社三和 (Sanwa Corporation) is a privately-held Japanese floor coating specialist founded in 1992 and headquartered in Tokyo with a business division in Numazu, Shizuoka. The company develops, manufactures, and directly applies its proprietary Platinum Premium Coat product line — patented antibacterial floor coatings with documented efficacy against five bacterial strains, optimal sliding-resistance coefficient (C.S.R. 1.25), zero formaldehyde emissions, JIS-certified durability (impact, adhesion, chemical resistance, pencil hardness), and toy-safety compliance. An enhanced variant, Platinum Premium Coat DX, adds athlete's-foot-fungus efficacy validated by the Japan Food Analysis Center, and a newer San Tech Guard product is SIAA-registered and has been adopted by Tokyo Metro.

Sanwa's revenue model is hybrid: direct field application services (施工) to end customers priced quote-based on floor area and substrate, wholesale distribution (卸) of its coating products to distributors and building-maintenance companies, and ancillary building-maintenance services through its wholly-owned subsidiary 日昭ビルメンテナンス株式会社. Trading operations are housed in another wholly-owned subsidiary, 東京セントラル貿易株式会社. Customers span residential homeowners (often with pets, elderly, or infants), commercial retail chains (notably AEON Mall across 50+ locations), healthcare and dental clinics, elderly care facilities, childcare centers, hotels, restaurants, and public infrastructure (Tokyo Metro).

The company's go-to-market relies on direct phone/web inquiries plus an event-driven layer — active participation in regional and national housing expos, trade shows (Japan Home Show, Asahi Home Building Fair, Industrial Exchange Exhibition), and earned media (Nikkei coverage, TV Asahi Shizuoka feature, Japan Patent Office Chizai Portal case study). With 15 employees and ¥10M in registered capital, the company operates as a niche, founder/management-controlled micro-SME leveraging certifications, patents, and marquee reference customers (AEON, Tokyo Metro) as its primary commercial differentiators.

Name

株式会社三和

Legal name

株式会社三和

Website

https://platinumcoat.com

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

11–50 employees

Short description

Sanwa Corporation is a privately-held Japanese floor coating specialist founded in 1992 that develops and directly applies its patented Platinum Premium Coat antibacterial coatings across residential, retail, healthcare, childcare, and public-infrastructure customers in Japan.

Ownership category

akta.pro rank

Product category

Floor Coating Services

NAICS

Paint and Coating Manufacturing (32551)

SIC

Paints, Varnishes, Lacquers, Enamels & Allied Prods (2851)

akta.pro primary industry

Specialty & Functional Coatings (Anti-microbial/Anti-slip/Insulating) (IMAIAKAM)

akta.pro secondary industries

Industrial Protective Coatings (IMADAKAB), Specialty Coatings (Epoxy Floors, Anti-Mold, Fire-Retardant, Elastomeric) (HSAGADAJ), Industrial Protective Coatings (IMAEAHAB), Industrial & Commercial Painting/Coatings/Surface Treatment (IMAIAAAK)

Keywords

• Antibacterial floor coating
• Floor maintenance services
• Commercial flooring solutions
• Residential flooring coating
• Slip resistant coatings

Headquarters

HQ city

Ota-ku, Tokyo

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Floor Coating Application Services (施工): One-time floor coating application services for residential, commercial, and institutional customers. Pricing varies by floor area; company provides on-site application using proprietary Platinum Premium Coat products.
2. Platinum Coat Products Wholesale (卸): Wholesale distribution of Platinum Premium Coat and Platinum Premium Coat DX products to distributors, building maintenance companies, and other B2B customers.
3. Building Maintenance Services (ビルメンテナンス業): Ongoing building maintenance services complementing floor coating offerings.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

株式会社三和 develops and directly applies proprietary antibacterial floor coatings — primarily Platinum Premium Coat and its enhanced variant Platinum Premium Coat DX — for residential homes, commercial buildings, retail chains (e.g., 50+ AEON Mall locations), medical and elderly care facilities, childcare centers, hotels, and restaurants. The company combines one-time on-site coating application services with wholesale distribution of its proprietary coating products to distributors and building maintenance companies, complemented by affiliated building maintenance operations.

Product overview

株式会社三和 operates as a floor coating service and construction company offering two main product lines: プラチナ・プレミアムコート (Platinum Premium Coat) as the primary antibacterial floor coating with broad antimicrobial protection, and its enhanced variant プラチナ・プレミアムコートDX which additionally targets athlete's foot fungus. The company also produces サンテクガード (San Tech Guard), an SIAA-registered antibacterial product that has been adopted by Tokyo Metro. All products are applied through professional installation services and are suitable for various settings including residential homes, medical facilities, schools, commercial buildings, restaurants, hotels, and nursing homes. The company also provides related building maintenance services.

Differentiator

Problem solved

Functional benefit

Products and services

• Platinum Premium Coat (プラチナ・プレミアムコート) A high-performance antibacterial floor coating agent applied on-site to wood flooring, P-tiles, linoleum, and long-sheet flooring in residential, commercial, medical, childcare, and hospitality interiors. Features include 5-strain antibacterial efficacy, C.S.R. 1.25 slip resistance, JIS 5600-series durability certifications, zero formaldehyde emissions, and toy safety standard (paint film) compliance.
• Platinum Premium Coat DX (プラチナ・プレミアムコートDX) Enhanced variant of Platinum Premium Coat with additional anti-fungal efficacy against athlete's foot fungus (Trichophyton mentagrophytes). Validated through mold resistance testing at Japan Food Analysis Center (February 2011). Applied in environments requiring extra fungal protection such as households with infected residents, gyms, and sports facilities.
• San Tech Guard (サンテクガード) SIAA-registered antibacterial floor coating product adopted by Tokyo Metro for use in transit facilities. New antibacterial floor coating solution featuring proven antibacterial effectiveness and mold resistance properties; designed for high-traffic public infrastructure environments.
• Floor Coating Application Services (施工サービス) Professional on-site application of Platinum Premium Coat (and DX) by the company's own field teams for residential homeowners, commercial building operators, healthcare facilities, childcare centers, restaurants, hotels, and retail chains. Pricing varies by floor area, substrate type (P-tile, linoleum, long-sheet flooring, wood), and project scope. Customers engage via phone (055-962-3889) or web inquiry form.
• Platinum Premium Coat Wholesale Distribution (プラチナ・プレミアムコート 卸売) Wholesale distribution of Platinum Premium Coat and Platinum Premium Coat DX products to distributors, building maintenance companies, and other B2B customers for resale or downstream application.
• Building Maintenance Services (ビルメンテナンス業) Ongoing building maintenance services offered through the wholly-owned subsidiary 日昭ビルメンテナンス株式会社 (Nissho Building Maintenance Co., Ltd.), complementing the floor coating business with recurring facility maintenance contracts.

Quantifiable outcome

• Annual cleaning cost reduction of ¥3,000,000 per building (¥250,000/month eliminated)
• +4 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Two partnerships are on record, tiered core and minor.

• 東京メトロcoreStrategic or Co-development Partner · 1 September 2009Tokyo Metro adopted the company's new Santeguard product for use in its facilities, representing a significant public infrastructure endorsement of the product's quality and safety performance.
• SIAA (Self-Antimicrobial Agents & Technology Association)minorOthersCompany is a registered member of SIAA, using the association's credibility framework to validate its antibacterial product claims.

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Sika Japan (シーカ・ジャパン): Japanese arm of Swiss construction-chemicals major Sika, offering industrial and commercial floor-coating systems for high-performance and hygienic environments. Broadly serves the same facility categories (medical, retail, infrastructure) but at much larger scale and via a global R&D and distributor platform.
• Kansai Paint Co., Ltd. (関西ペイント): Major Japanese paint and coatings manufacturer with industrial, automotive, and architectural product lines including functional and protective coatings. Competitor for institutional and commercial floor-coating specifications, with far greater scale and an integrated R&D platform.
• TOTO Ltd. (TOTO株式会社): Major Japanese building-materials company with a flooring/materials business and bathroom/hygiene product portfolio targeting healthcare and hospitality segments where Sanwa also focuses. Comparable at the customer-segment level despite a broader product mix.
• Nippon Paint Holdings Co., Ltd. (日本ペイントホールディングス): Largest paint manufacturer in Asia with extensive industrial, architectural, and specialty coating lines. Operates broadly in the same end-use segments as Sanwa (commercial buildings, healthcare, residential) but across many more chemistries and geographies.
• BASF Japan Ltd. (BASFジャパン): Japanese subsidiary of global chemical major BASF, supplying resins, additives, and performance-coating inputs to industrial coatings manufacturers. Not a direct flooring-applications competitor but a key upstream supplier and indirect competitor via its construction-chemicals and coating-materials portfolio.
• 3M Japan Limited (スリーエム ジャパン): Japanese subsidiary of 3M, supplying specialty coatings, films, and surface-protection products including antibacterial and floor-protection systems for commercial and institutional buyers. Overlaps with Sanwa on antibacterial claims and slip-/abrasion-resistant floor products but competes via global-scale R&D.

Others

• Duskin Co., Ltd. (株式会社ダスキン): Japan's largest building-cleaning and maintenance service operator with national franchise coverage across commercial and institutional facilities. Comparable to Sanwa as a co-provider of facility-maintenance services, though Duskin operates at consumer/cleaning-service level rather than coatings application.

Direct peers

• Someth Co., Ltd. / 染めQテクノロジィ: Japanese specialty-coatings company known for aerosol-applied functional coatings (spray-on rubber, vinyl, fluoropolymers) used across industrial and consumer surface-protection applications. Comparable in scale and as a specialist coatings brand targeting differentiated functional properties rather than volume paint.
• Asahi Pen Co., Ltd. (アサヒペン): Japanese coatings manufacturer with a deep consumer-and-professional paint portfolio spanning interior/exterior paints, specialty coatings, and floor-related products. Most directly comparable to Sanwa as a domestically-focused Japanese coatings brand serving both DIY/homeowners and professional application markets.
• Dainichiseika Color & Chemicals Mfg. Co., Ltd. (大日精化工業): Japanese specialty chemicals manufacturer producing pigments and coatings including functional/performance grades used in industrial applications. Comparable to Sanwa on the coatings-manufacturing side with similarly differentiated specialty-product positioning.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE%E4%B8%89%E5%92%8C

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 records

Funding overview

Funding rounds

Investors

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 株式会社三和