Lib Work Co., Ltd.
Japanese house builder and lifestyle company based in Kumamoto, known for web-driven custom home sales and VR/CG design proposals.
Last updated September 27, 2026
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Overview
Lib Work Co., Ltd. is a Japanese construction and housing company headquartered in Yamaga, Kumamoto Prefecture. It designs, builds and sells detached houses, custom-built homes and single-story (hiraya) residences, and also develops and sells built-for-sale housing and residential lots. The company is listed on the Tokyo Stock Exchange Growth Market (securities code 1431) and on the Fukuoka Stock Exchange Q-Board. The company traces its origins to a business founded in March 1974. It was incorporated as Seguchi Komuten (有限会社瀬口工務店) in August 1997, became a stock company in June 2000, and changed its trade name to SK Home (株式会社エスケーホーム) in November 2004. In April 2018 it renamed itself Lib Work Co., Ltd. It listed on the Fukuoka Stock Exchange Q-Board in August 2015 and on the Tokyo Stock Exchange Mothers (now Growth) market in June 2019. Lib Work is known for a web-centric business model: it uses its website, YouTube channels, CG and VR tools to attract customers and present designs efficiently, rather than relying solely on traditional model-home foot traffic. It has pursued collaborations with companies outside the housing industry, including Senshukai, Muji (Ryohin Keikaku) and Saishunkan Pharmaceutical, producing co-branded housing lines such as "ink" with niko and ..., "Afternoon Tea HOUSE" with Afternoon Tea, "niko and ... EDIT HOUSE" and "BELLE MAISON DAYS house". It has also promoted 3D-printed housing under the "Earth House" concept and markets sustainable, ZEH-oriented homes. Its operating area centers on northern Kyushu (Kumamoto, Fukuoka, Oita, Saga, Kagoshima) and extends into the Kanto region (Chiba, Kanagawa). In June 2018 it acquired the naming rights to Fujisakidai Prefectural Baseball Stadium, which from July 2018 carried the nickname "Lib Work Fujisakidai Stadium". Subsidiaries include Takue Home Co., Ltd. and Sachinokuni Mokuzaikogyo Co., Ltd. The company positions itself as a "lifestyle creation company" aiming to grow from an internet home seller into a creator of living experiences.
History
Lib Work's history begins in March 1974, when the business that would become the company was founded. In August 1997 it was reorganized as a corporate entity under the name Seguchi Komuten (有限会社瀬口工務店). In June 2000 it converted to a stock company (株式会社). In November 2004 it changed its trade name to SK Home Co., Ltd. (株式会社エスケーホーム). A major turning point came in August 2015, when the company listed its shares on the Fukuoka Stock Exchange Q-Board. In April 2018 it changed its trade name to Lib Work Co., Ltd., reflecting a shift from an internet-based home seller toward a broader "lifestyle creation" company. In June 2018 it acquired the naming rights to Fujisakidai Prefectural Baseball Stadium, and from July 2018 the stadium carried the nickname "Lib Work Fujisakidai Stadium". In June 2019 the company listed on the Tokyo Stock Exchange Mothers market (later renamed the Growth Market). In July 2020 it made Takue Home Co., Ltd. a subsidiary. In July 2023 it made Sachinokuni Mokuzaikogyo Co., Ltd. a subsidiary and opened "Lib Work Lab" on the former site of Yamaga City Yamauchi Elementary School. Throughout its growth, Lib Work has emphasized a web-centric sales model using its website, YouTube channels, CG and VR presentations, and has formed collaborations with companies outside housing, including Senshukai, Muji and Saishunkan Pharmaceutical. It has also promoted sustainable and ZEH housing and explored 3D-printed housing. Its market area spans northern Kyushu and parts of the Kanto region.
- 2023
Sachinokuni Mokuzaikogyo Co., Ltd. became a subsidiary; Lib Work Lab opened.
- 2020
Takue Home Co., Ltd. became a subsidiary.
- 2019
Listed on Tokyo Stock Exchange Mothers (now Growth Market).
- 2018
Trade name changed to Lib Work Co., Ltd.
- 2018
Acquired naming rights to Fujisakidai Prefectural Baseball Stadium.
- 2015
Listed on Fukuoka Stock Exchange Q-Board.
- 2004
Trade name changed to SK Home Co., Ltd.
- 2000
Converted to a stock company.
- 1997
Reorganized as Seguchi Komuten (limited company).
- 1974
Business founded.
Products and positioning
A web-driven, lifestyle-oriented house builder offering cost-effective custom homes and cross-industry collaboration housing brands.
ink
Collaboration housing brand with niko and ...
Afternoon Tea HOUSE
Collaboration housing brand with Afternoon Tea
niko and ... EDIT HOUSE
Housing brand edited by niko and ...
BELLE MAISON DAYS house
Housing brand focused on family growth
Earth House
3D-printed house concept
Sources5 sources
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