Celebrating 25 Years of Excellence: a.flat's Journey in Natural Interior Design

In August 2026, the renowned interior brand a.flat, operated by C Square Co., Ltd., located in Meguro, Tokyo, celebrates its remarkable 25-year journey in enriching lives through natural materials and expert craftsmanship. To mark this special occasion, a dedicated anniversary webpage has been launched, highlighting the brand's evolution, dedication to quality craftsmanship, and inspirational coordination examples.

Since its establishment in 2001, a.flat has lived by the philosophy of providing a rich lifestyle through furniture made from natural materials. By blending craftsmanship with contemporary design, the brand has offered a unique array of furniture and interior products, including natural wood, rattan, and water hyacinth. Their total coordination approach extends beyond furniture to rugs, lighting, and fabrics, all geared towards creating comfortable living spaces themed around 'bringing resort relaxation into daily life.'

Anniversary Special Page

The newly launched anniversary special page offers a comprehensive view of a.flat's significant milestones and core values over the past 25 years. The brand's commitment to using natural materials, emphasizing handmade craftsmanship, designing durable products, and proposing harmonious living spaces is on full display. Real-life coordination examples from satisfied customers also showcase the artistry and versatility of a.flat's offerings.

Visit the special anniversary page here: 25th Anniversary Special Page

Milestones of 25 Years

To celebrate this milestone, a.flat has revisited its key achievements throughout the years:

- 2004: Launch of the natural material sofa series and opening of the Jiyugaoka flagship store.
- 2007: Commencement of the a.select interior goods line.
- 2011: Celebrated 10 years with the launch of the high-back sofa series ‘TEN.’
- 2012: Opening of the Shinjuku store.
- 2015: Marked 15 years with the establishment of ‘a.flat style’ with 10 themes.
- 2016: Inauguration of the Grand Front Osaka North Building store.
- 2021: Celebrated 20 years with the launch of the low sofa series ‘SAIL.’
- 2026: Marks the 25th anniversary with the special page launch and anniversary campaign.

25th Anniversary Offerings Campaign

In honor of the 25th anniversary, a limited-time campaign called “25th Anniversary Offerings” is being offered exclusively to newsletter subscribers, which includes new registrants during the campaign period:

- Offer 1: Purchase a select sofa and receive one a.select cushion cover of your choice in color, material, and size, allowing personalized coordination for your new sofa.
- Offer 2: Purchase a select bed or mattress and receive one a.select pillowcase from three material options—broadcloth, gauze, or linen—to maintain the aesthetic of your bedroom.
- Offer 3: Spend 300,000 yen (tax excluded) or more and choose a maintenance item such as a repair marker, horsehair brush, kumiko coasters, or Takaoka copper coasters, emphasizing the value of longevity in a.flat’s offerings.

Campaign Name: 25th Anniversary Offerings
Duration: Until October 4, 2026
Eligibility: a.flat newsletter subscribers (including new members during the campaign period)
How to Redeem: Activate the offers during checkout online or inform store staff of your newsletter subscription.

A Heartfelt Thank You
a.flat expresses their deepest gratitude to their loyal customers for supporting them throughout these 25 years. They remain committed to delivering furniture and interior solutions that highlight the beauty of natural materials and craftsmanship.

Representative Comment

Yoshiyuki Isozaki, CEO of C Square Co., Ltd.
“Since our founding in 2001, a.flat has prioritized the allure of natural materials and designs that complement daily living. Reaching this 25th anniversary is a testament to our loyal customers, partners, and the artisans and staff who support our craftsmanship. Through this special page and campaign, we aim to convey our gratitude and continue delivering furniture and spatial proposals that are cherished for years to come.”

Store Information

- Jiyugaoka Flagship Store: Meguro, Tokyo
- Shinjuku Store: Shinjuku, Tokyo
- Osaka Umeda Store: Osaka City (Grand Front Osaka North Building)

Company Overview

- Company Name: C Square Co., Ltd.
- Representative: Yoshiyuki Isozaki, CEO
- Founded: 2001
- Business Scope: Operation of the a.flat interior brand including furniture and interior goods design and sales
- Website: a.flat Official Website