What Tea Around does

Tea Around Co., Ltd. (ティーアラウンド株式会社) is a Tokyo-based residential real estate developer founded in June 2010 and operating as a consolidated subsidiary of Iida Group Holdings, a Tokyo Stock Exchange First Section-listed conglomerate described in source material as Japan's largest new home developer by volume. The company designs, builds, and sells new built-for-sale single-family homes under its registered TIARA brand (分譲住宅ブランドTIARA), targeting individual residential buyers in the Greater Tokyo metropolitan area including Tokyo, Saitama, and Kanagawa prefectures. Its core technical differentiator is the 鉄筋入りコンクリート ベタ基礎工法 (reinforced concrete flat-slab foundation) used across all TIARA homes, paired with the 住宅性能評価6項目最高等級 (six-item highest-grade housing performance rating) covering structural integrity, fire safety, earthquake resistance, moisture control, thermal performance, and air insulation.

The company operates a multi-branch direct-sales model through showrooms in Nishi-Tokyo (headquarters), Saitama (relocated October 2025), and Hachioji, with store managers handling land procurement, sales, and customer delivery. Revenue is generated through three streams: (1) one-time new built-for-sale home transactions, (2) recurring renovation and maintenance services with a dedicated owner hotline (0120-949-468), and (3) property and casualty insurance agency commissions. Post-sale owner support includes 6-month and 2-year inspections, 5-year structural diagnostics, and an extended warranty program that can reach up to 60 years with 5-year maintenance intervals. Pricing is not publicly disclosed and is handled at the showroom level. The firm holds a Class 1 real estate transaction license, a special construction business license, and Class 2 Architect Office registration with the Tokyo Governor.

Distribution is conducted entirely through owned physical showrooms, supported by content marketing channels including a staff column blog (launched November 2021) and a YouTube channel (launched June 2025). The firm is also a subsidiary of Tact Home Co., Ltd., which provides a group-wide owner-support platform. The headcount is described in source material as "compact," no independent outside investors or funding rounds are evidenced, and ownership and control rest entirely with the Iida Group Holdings group of companies. The company is actively participating in national housing subsidy programs including the 2026 みらいエコ住宅 (Future Eco-Home 2026) and the 子育てグリーン住宅支援事業 (Childcare Green Housing Support Program).

Name

Tea Around

Legal name

ティーアラウンド株式会社

Website

https://t-around.co.jp

Company type

Private

Founded year

2010

Operating status

Operating

Short description

Tea Around is a Tokyo-based residential real estate developer and consolidated subsidiary of Iida Group Holdings that designs, builds, and sells TIARA-brand new built-for-sale single-family homes in the Greater Tokyo metropolitan area, targeting individual homebuyers with high-performance-certified, design-focused housing supported by post-sale renovation and warranty services.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. 不動産事業 (Real Estate): Development and sale of new built-for-sale homes (新建分譲住宅) under the TIARA brand, targeting residential buyers in the Greater Tokyo metropolitan area. Revenue is generated through one-time property sales transactions.
2. リフォーム事業 (Renovation): Post-sale renovation and maintenance services for existing homeowners. Generates recurring revenue through renovation projects, maintenance contracts, and dedicated hotline services (0120-949-468).
3. 損害保険代理店業務 (Damage Insurance Agency): Agency services for property and casualty insurance products, providing insurance solutions to homebuyers as part of the transaction and post-sale service offering.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Tea Around (ティアラウンド株式会社) is a Japanese real estate developer that designs, builds, and sells newly built single-family homes under its proprietary TIARA brand in the Greater Tokyo metropolitan area. In addition to new housing sales, the company provides optional construction upgrades, post-purchase renovation and maintenance services, and long-term owner support including building inspections and an extended warranty program of up to 60 years.

Product overview

Tea Around operates as a real estate company specializing in new housing sales, optional construction services, and renovation work. The company's core product is the TIARA brand of design-focused single-family homes, which are certified with the highest grade in six housing performance evaluation categories. The portfolio includes new housing construction sales, optional customization work, and a comprehensive reform/renovation division. Post-purchase owner support includes building inspections and an extended warranty program.

Differentiator

Problem solved

Functional benefit

Brands

• TIARA: 分譲住宅ブランド。「住宅性能評価6項目最高等級」取得加持え、性能・デザイン・価格のバランスを実現する新建的分譲住宅ブランド。
• T太郎
• みんなのTタイム（コラム）
• ティアラの仲間たち（スタッフ紹介）

Products and services

• TIARA Brand New Built-for-Sale Homes (分譲住宅ブランド TIARA) Design-focused newly constructed single-family homes sold as completed properties, certified with the highest grade in six housing performance evaluation categories (structural integrity, fire safety, earthquake resistance, moisture control, thermal performance, and air insulation), built on a reinforced concrete flat-slab foundation. Targeted at individual residential buyers in Tokyo, Saitama, and surrounding prefectures.
• Optional Construction (オプション工事) Customization and upgrade construction services purchased alongside a new TIARA home, allowing buyers to tailor finishes and features beyond the standard package.
• Renovation and Reform Services (リフォーム) Renovation, reform, and exterior maintenance services (e.g., painting, roofing, balcony waterproofing) for existing homeowners, supported by a dedicated renovation hotline (0120-949-468).
• Owner Support Program (オーナーサポート) Post-purchase support program for TIARA homeowners, including scheduled building inspections at 6 months and 2 years, 5-year building diagnostics, and an extended warranty program renewable up to 60 years through 5-year maintenance intervals.

Quantifiable outcome

• 住宅性能評価6項目最高等級取得 — All TIARA brand homes certified with highest grade across 6 housing performance categories
• +1 more outcomes

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Iida Group Holdings: Tokyo Stock Exchange-listed parent company of Tea Around and Japan's largest new home developer by volume. Directly comparable as the group's lead brand and the parent that consolidates Tea Around's financials.
• Daiwa House Industry: One of Japan's largest homebuilders and a major listed competitor in the new built-for-sale housing segment. Competes with Tea Around/TIARA in the Greater Tokyo single-family home market at much larger scale.
• Sekisui House: Japan's largest homebuilder by revenue and a leading supplier of new detached and built-for-sale housing. Comparable product (new single-family homes) and overlapping customer base nationwide.
• Nomura Real Estate (HOME'S): Listed Japanese developer of new built-for-sale housing (PROUD series) and active in the Kanto region. Comparable in product category (new single-family homes for sale) and customer profile.

Direct peers

• Tact Home: Sister company within the Iida Group structure that also builds and sells new homes in the Greater Tokyo area and shares the 'Tact Home Group Owner Support' site referenced on Tea Around's website. Closest direct peer in product, customer, and geography.
• Tama Home: Listed Japanese homebuilder focused on affordable, energy-efficient new detached homes — directly comparable to TIARA's performance-plus-affordability positioning. Competes in the same Greater Tokyo and Saitama markets.
• Panasonic Homes: Major Japanese homebuilder selling design-forward, performance-certified single-family homes. Overlapping target customers, similar product positioning, and similar showroom-based GTM.
• Heiwa Home (Heiwa Corporation): Mid-sized Japanese homebuilder offering new detached homes and renovation services across the Kanto region. Comparable product mix (new homes + renovation) and customer base.
• Welltech Corporation: Japanese homebuilder operating in the Greater Tokyo area with a focus on performance-certified, energy-efficient detached homes — closely comparable to TIARA's six-category performance positioning.
• Open House Group: Tokyo-focused listed homebuilder selling new single-family homes and townhouses in the Greater Tokyo area, with a strong emphasis on first-time buyers and price competitiveness. Directly competes with TIARA in the same geography.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Tea Around