Saltas Co., Ltd.

What Saltas Co., Ltd. does

Saltas Co., Ltd. (株式会社ソルタス) is a privately held Japanese architectural and construction firm founded legally on November 11, 2011, with the founder's entrepreneurship dating back to August 1999. The company is headquartered in Nishi-ku, Hiroshima, with a Tokyo regional office in Meguro-ku and a dedicated Equipment Center in Saeki-ku, Hiroshima. It holds a First-class Architect Office registration (No. 13(1) 4935) and a Special-Class-1 Construction License (No. 40367) from the Hiroshima Prefectural Governor, plus industrial waste collection permits for both Hiroshima and Tokyo and a secondhand goods dealer permit — enabling integrated design-build delivery under a single legal entity.

Saltas operates a design-build model combining custom designer home construction (注文住宅), renovation services (リノベーション), and commercial space design across hospitality, healthcare, financial services, food & beverage, and real estate. Core products include Custom Home Design and Construction, Renovation, Commercial Space Design, and Comprehensive Design-Build Services. The firm partners with external architects on every project to deliver spatially driven design, positioning itself as a premium design-led builder rather than a volume constructor. The disclosed portfolio includes 22+ reference projects such as MUKU HOTEL (ryokan renovation), Hiroshima Bank (banking facility interior), and multiple medical clinics and salons.

Saltas generates revenue through project-based design and construction fees, with quote-based pricing for each custom engagement. Its go-to-market is direct client consultation, supported by a website portfolio (WORKS section) and an Instagram presence (soltus.inc), with no disclosed institutional marketing campaigns, third-party distribution, or public funding rounds. Customer segments split between individual homeowners seeking custom residences and commercial/business clients (clinics, restaurants, hotels, banks, salons) requiring distinctive interior spaces, with no single dominant client visible across the project list.

Name

Saltas Co., Ltd.

Legal name

株式会社ソルタス

Website

https://soltus.jp

Company type

Private

Founded year

2011

Operating status

Operating

Short description

Saltas Co., Ltd. is a privately held Japanese design-build firm combining first-class architect and special-class construction licensing to deliver custom designer homes, renovations, and commercial interiors for homeowners and businesses primarily in Hiroshima and Tokyo.

Ownership category

akta.pro rank

Product category

Architectural Design and Construction Services

NAICS

Architectural Services (541310), Residential Building Construction (23611), Nonresidential Building Construction (2362)

akta.pro primary industry

Residential Design-Build & Renovation-Integrated Builders (IMAFABAE)

akta.pro secondary industry

Office & Corporate Building Construction (IMAFACAA)

Keywords

• Custom home design
• Design-build construction
• Residential renovation
• Commercial interior design
• Architectural services

Headquarters

HQ city

Nishiku

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Custom Home Design and Construction: Saltas generates revenue through design and construction fees for custom designer homes (注文주택/ريتامي). As a design-build firm combining first-class architect office certification with special-class construction licensing, they provide integrated services from initial consultation through project handover and post-delivery maintenance.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels2 records

Core offering

Saltas Co., Ltd. is an integrated architecture and construction firm that designs and builds custom designer homes (デザイナーズ注文住宅) and renovation projects (リノベーション), as well as commercial interiors for hotels, clinics, restaurants, cafes, salons, and offices. Operating as both a first-class architect office and a licensed special-class construction contractor, the firm delivers end-to-end design-build services from initial consultation through construction completion and ongoing post-delivery maintenance across the Chugoku and Kanto regions of Japan.

Product overview

Saltas Co., Ltd. is an integrated architecture and construction firm offering a unified service model that combines first-class architectural design capabilities with licensed construction services. The company provides three interconnected service lines: custom home design and construction ('), renovation services ('), and commercial space design for businesses such as hotels, clinics, restaurants, and salons. As a Class 1 Architectural Office with special-class construction license, the firm supports clients from initial consultation through construction completion and ongoing maintenance, enabling seamless design-build delivery without handoff between separate entities.

Differentiator

Problem solved

Functional benefit

Named customers23 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Sweden House (スウェーデンハウス): Japan-based design-focused custom home builder known for premium architect-influenced residential design. Operates a similar premium positioning and integrated design-build approach, serving the same design-conscious residential buyer segment as Saltas.
• Hinokiya Housing (桧家住宅): Mid-size Japanese custom home builder emphasizing design quality, energy efficiency, and full in-house design-to-construction delivery. Comparable to Saltas in targeting design-conscious owner-occupier buyers with integrated architecture and construction.
• Acura Homes (アキュラホーム): Japanese custom home builder with an explicit 'architect + builder' design-build positioning, offering direct collaboration with contracted architects for owner-occupier homes. Closely matches Saltas's integrated design-build model, though at larger scale and broader geographic reach.

Broad incumbents

• Daiwa House Industry (大和ハウス工業): Japan's broadest construction and real estate conglomerate, with a sizable custom home and commercial design-build division. Indirectly competitive with Saltas in commercial interior/renovation and residential design-build across multiple regions.
• Sumitomo Forestry (住友林業): Japan's largest custom wooden-home builder, with a flagship big-frame (ビッグフレーム) custom home product and substantial renovation operations. Overlaps with Saltas in premium custom residential and renovation, but at vastly greater scale.
• Panasonic Homes (パナソニック ホームズ): Major Japanese homebuilder with a strong design-build and renovation platform, including prefabricated and custom architect-led homes. Competitively overlaps Saltas in premium custom residential and small commercial interiors.
• Sekisui House (積水ハウス): Japan's largest homebuilder, operating across custom, spec, and renovation segments with architect-collaboration programs. A direct competitive incumbent to Saltas in premium design-led residential and small-commercial work.
• Mitsui Home (三井ホーム): Major Japanese custom home builder with a 2x4 wooden-frame design-build platform and premium wood-frame aesthetic. Much larger and broader-geography than Saltas, but competes for architect-quality custom-home buyers in Tokyo and other metros.
• ICHIJO (一条工務店): Large Japanese homebuilder with strong design-build offerings for custom and semi-custom homes. Significantly larger than Saltas but competes in the same design-conscious residential segment and offers an architect-collaboration product line.

Emerging players

• Relife (りらいふ): Japan-focused renovation and custom home firm with a strong architect-collaboration model and growing regional footprint. Smaller and more renovation-weighted than Saltas, but a comparable emerging design-build competitor, particularly in regional Japanese cities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/soltus.inc

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

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 Saltas Co., Ltd.