Social Interior

What Social Interior does

Social Interior Inc. (株式会社ソーシャルインテリア) is a Tokyo-based, venture-backed interior and workspace services company founded in 2016 by Ken Machino. It operates three coordinated business lines targeting the Japanese office-furniture and workspace-design market: (1) subsclife by TOKYOROOMS, a consumer and SME furniture and appliance subscription service launched in March 2018 as Japan's first dedicated furniture-as-a-service offering; (2) INTERIOR BASE, a cloud-based procurement and spec-in platform that aggregates 600 brands and 120,000+ SKUs for designers, retailers, and manufacturers; and (3) Social Interior Office Construction Support, an end-to-end B2B service covering office relocation, space design, furniture selection, and project management, complemented by a "伴走型サポート" (accompaniment) post-delivery support function and THE MUSEUM, a co-creation showroom in the company's POLA Aoyama headquarters featuring approximately 50 brands. The company combines subscription recurring revenue, professional-services revenue from enterprise projects, and platform transaction fees, with documented enterprise customers across more than 2,000 Japanese companies including For Startups, Asahi Net, CyberAgent, Autobacs Seven, Taito, Global Brain, and RECEPTIONIST.

The company's underlying technology is the INTERIOR BASE cloud platform, which standardizes product specification, multi-brand quoting, and order management across the fragmented Japanese interior-supply industry. Marketing channels combine content (column articles, downloadable guides, 98 documented project case studies), events and seminars (co-hosted with JLL, Yamaha, At Office, Sangetsu, USEN, Otonoha, Bamboo Media, and CyberAgent), the WORK Knowledge Community for back-office professionals, and showroom tours at THE MUSEUM. The go-to-market motion spans enterprise field sales with dedicated project managers for B2B office construction, self-serve B2B platform access for design and procurement professionals, and a direct-to-consumer e-commerce flow for subsclife — all executed within Japan.

Social Interior has raised approximately 6.6–6.7 billion yen in cumulative disclosed funding (Series C ~2B JPY in August 2023; Series D ~2.4B JPY in January 2024; plus earlier rounds) and added a 300 million yen unsecured debt facility from Shoko Chukin Bank in December 2025. The company is approaching its 10th anniversary in November 2026 and, in April 2026, conducted its first new-graduate recruitment, signaling organizational formalization. All operations are domestic Japan; no international expansion is documented.

Name

Social Interior

Legal name

株式会社ソーシャルインテリア

Website

https://socialinterior.com

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Office Furniture and Workspace Services

NAICS

Furniture Retailers (449110)

SIC

Retail-Furniture Stores (5712), Retail-Home Furniture, Furnishings & Equipment Stores (5700)

akta.pro primary industry

Corporate, Event & Staging Furniture Rental (Short-Term) (CRAIAOAG)

akta.pro secondary industries

Furniture Rental (Living, Dining, Bedroom) (CRAIAOAA), Home Office Furniture Rental (Desks, Chairs, WFH Bundles) (CRAIAOAL), Home Office Furniture Retail (Desks, Office Chairs, Bookcases, Filing/Storage) (CRAIAAAD)

Keywords

• Office furniture subscription
• Office relocation services
• Commercial interior design
• Furniture procurement platform
• Workspace design Japan

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Furniture Subscription (subsclife): Monthly subscription service for furniture allowing businesses and individuals to use furniture with initial cost reduction of up to 95%. Provides flexible terms where customers can choose one-time purchase, subscription continuation, or return at contract end.
2. Office Construction Support Services: End-to-end office relocation, space design, furniture selection, and project management services for enterprise clients. Includes consulting, design direction, and construction management.
3. INTERIOR BASE Platform: Transaction-based platform serving design firms, retailers, and manufacturers for furniture procurement and order management.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels7 records

Core offering

Social Interior fundamentally sells furniture and office space solutions through three integrated business lines: B2B office construction support (consultation, space design, furniture selection, and project management for office relocations and renovations); B2C furniture subscription service subsclife by TOKYOROOMS (monthly furniture rental with the option to buy, continue, or return, reducing initial costs by up to 95%); and INTERIOR BASE, a cloud-based B2B procurement and specification platform for design companies, retailers, and manufacturers covering 600 brands and 120,000+ products.

Product overview

Social Interior operates a multi-product platform centered on furniture and office space services. The core offerings include subsclife by TOKYOROOMS (Japan's first furniture subscription service), the INTERIOR BASE cloud-based ordering platform for design/retail/manufacturing companies, SOCIAL INTERIOR office construction support services, and THE MUSEUM co-creation showroom. The company leverages data from millions of SKUs across 600+ brands to provide comprehensive space design, furniture subscription, and order management solutions.

Differentiator

Problem solved

Functional benefit

Brands

• subsclife by TOKYOROOMS: B2C furniture and appliance subscription service offering brand furniture with interest-free installment payments and guaranteed return options
• INTERIOR BASE
• THE MUSEUM
• SOCIAL INTERIOR

Products and services

• SOCIAL INTERIOR Office Construction Support (オフィス構築支援) Comprehensive B2B office construction support service handling everything from office relocation and space design to furniture selection and project management, offering both one-time purchase and subscription-based furniture options to enterprise clients.
• subsclife by TOKYOROOMS B2C furniture and appliance subscription service offering new and vintage items with interest-free installment payments; customers can choose to purchase, continue subscribing, or return items at contract end, with total payment never exceeding the list price.
• INTERIOR BASE Cloud-based B2B furniture ordering and delivery platform for design companies, retailers, and manufacturers that leverages data on millions of SKUs to streamline specification and quoting processes; provides Japan's largest furniture database for spec-in operations.
• THE MUSEUM Collaborative showroom and office space featuring approximately 50 furniture brands, showcasing comprehensive space coordination with interior materials, lighting, AV equipment, art, and aromatherapy; offers guided museum-style tours for prospective clients.

Quantifiable outcome

• Initial office furniture costs reduced by approximately 95%
• +2 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Ten partnerships are on record, tiered strategic and minor.

• Sangetsu CorporationstrategicGTM or Marketing Partner · 18 April 2026Gold sponsor for TOKYOROOMS Exhibition showcasing 40 rooms designed by creators using interior materials. Sangetsu provides wall coverings, flooring, and fabrics for the exhibition.
• Jones Lang LaSalle (JLL)strategicGTM or Marketing Partner · 5 March 2026Co-hosted workshop at JLL's Osaka office which won the 36th Nikkei New Office Award Kansai region. Workshop focused on AI-powered ideal office design.
• Yamaha CorporationminorGTM or Marketing Partner · 26 February 2026Co-hosted seminar on office acoustics addressing sound problems in hybrid work environments. Yamaha provides professional audio equipment and sound environment expertise.
• USEN WORK WELLminorGTM or Marketing Partner · 26 February 2026Co-hosted seminar on office acoustics. Company provides office BGM, green energy, and AI tools as part of office solutions.
• Otonoha Inc.minorGTM or Marketing Partner · 26 February 2026Co-hosted seminar on office acoustics. Company provides IoT-based sound masking and concentration space solutions through 'sound veil' service.
• Universal Engeisha Co., Ltd.minorGTM or Marketing Partner · 3 February 2026Co-hosted office tour and study session on office greenery. Company specializes in total green coordination including wall planting, fixture greenery, and plant displays.
• Cyber Agent, Inc.strategicGTM or Marketing Partner · 23 July 2025Co-hosted token session on future of office operations. Cyber Agent is a major internet company operating ABEMA TV and advertising businesses.
• Bamboo MediaminorGTM or Marketing Partner · 5 March 2025Co-hosted event on space design expertise. Bamboo Media operates a platform media connecting space designers with clients and manufacturers.
• Jones Lang LaSalle (JLL)strategicGTM or Marketing Partner · 28 January 2025Co-hosted panel discussion on corporate strategy and future of work. JLL is a global real estate services company providing CRE strategy, office restructuring, and sustainability support.
• At Office Co., Ltd.strategicStrategic or Co-development Partner · 17 April 2024Ongoing collaboration on office relocation projects. At Office specializes in office relocation intermediary services and interior work, having supported over 8,000 corporate office relocations.

Scale indicators4 records

Expansion highlights5 records

Direct peers

• CLAS: Japan's largest office furniture rental service offering subscription-based furniture leasing to corporate clients. Direct competitor to Social Interior's B2B office furniture subscription and Office Construction Support offerings, operating the same subscription model with similar SKU breadth across Japanese enterprises.
• Material Bank: US-based B2B marketplace and logistics platform for architectural and design materials, serving the same design-firm and spec-in workflows that INTERIOR BASE targets. Closest analog to INTERIOR BASE's value proposition of consolidating multi-brand specification and procurement in a single platform.

Broad incumbents

• KOKUYO: One of Japan's largest office furniture manufacturers and stationery/furnishings conglomerates, supplying corporate offices through direct sales and dealer networks. Broad incumbent competing across furniture manufacturing, retail, and office design services that Social Interior aggregates.
• Itoki Corporation: Major Japanese office furniture manufacturer with full-stack offerings in office design, furniture, and workspace consulting. Comparable in serving enterprise office relocation projects, but vertically integrated into manufacturing rather than a subscription/platform aggregator.
• Steelcase: Global office furniture manufacturer and workplace innovation company with deep enterprise relationships. While not subscription-native, Steelcase increasingly competes for the hybrid-work office redesign spend that Social Interior targets, and its brand portfolio overlaps the 600-brand catalog Social Interior curates.
• ACTUS: Japanese furniture retailer and interior design company offering home and office furniture across multiple channels. Comparable in curating multi-brand furniture assortments for Japanese consumers and businesses, with a broader retail footprint but less subscription specialization.
• Herman Miller (MillerKnoll): Global premium office furniture brand and parent of MillerKnoll, supplying enterprise workplaces worldwide. Competes for the high-end office furniture specification work that Social Interior's enterprise design projects rely on, with brand authority and dealer relationships that Social Interior must continually court.
• OKAMURA CORPORATION: Japanese office furniture and logistics equipment manufacturer with established corporate sales channels. Competes for the same office construction and furniture procurement budgets in Japanese enterprises, but operates from a manufacturing-distribution model rather than subscription aggregation.

Regional players

• Feather: US-based furniture rental and subscription company offering month-to-month furniture subscriptions for apartments and homes. Closely comparable business model to subsclife but operating exclusively in the US market, making it a geographic non-competitor with shared subscription DNA.
• Fernish: US furniture subscription startup offering flexible rental-to-own furniture for residential customers. Shares the consumer furniture subscription thesis with subsclife but focuses on the US market and home (rather than office) use cases.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/subsclife

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds6 records

Investors19 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 Social Interior