Open company graph database — free web & API
Login

Sky Aqua Service Inc.

株式会社スカイアクアサービス
Ticker
—
Listed market
—
Country
Japan
Employees (consolidated)
1,120
Related companies
5
§01

Basic information

BASIC
Head office
4-3 Honchiba-cho, Chuo-ku, Chiba City, Chiba Prefecture, 260-0014, Japan
Chief executive
Hiromasa Kawasaki
Capital
20,000,000
Employees (non-consolidated)
1,050 people
Employees (consolidated)
1,120 people
Start date
2022-12-20
End date
§02

Websites

1 DOMAINS
§03

Business

4
Waterworks BPO BusinessDevelopment and maintenance of water and sewerage fee management systemsDevelopment and maintenance of water-related systemsOther related operations
§04

Related companies

5 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
CDC Aqua Service Co., Ltd.
Group
Water Asset Service Co., Ltd.
Group
NJS Corporation
Group
NJSグループ
Group
CDC Aqua Service Co., Ltd.
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
Drag to move · click to open
§06

History

6 EVENTS

December 2022: Established CDC Aqua Service Inc. as a 100% subsidiary of CDC Information Systems Inc. (Headquarters: Chiba City, Chiba Prefecture, 4-3 Honchiba-cho)Sources

Established: December 20, 2022Sources

July 2023: Started Water Solution ServiceSources

April 2024: Absorption-type split of CDC Information Systems Inc.'s Water Solution Division and business successionSources

April 2025: Participated in NJS GroupSources

January 2026: Established Sky Aqua Service Inc. through merger of CDC Aqua Service Inc. and Water Asset Service Inc.Sources

§07

News

15 ARTICLES

Tsukuba Mirai City and Disaster Response Support Agreement SignedSources

On October 13, 2026, Sky Aqua Service Co., Ltd. signed an agreement with Tsukuba Mirai City regarding disaster response support. The agreement was signed by Mayor Hiro Odagawa and President Kiyomasa Kawazaki, and its purpose is to support the reconstruction of affected residents by providing water-related services during disasters. After the ceremony, a tour of water supply trucks and tanks was conducted, demonstrating future cooperation.

Emergency Water Supply Training Conducted at Takehara Nursery SchoolSources

An emergency water supply training was conducted at Takehara Nursery School in Nagase Town, Shizuoka Prefecture. Children, parents, and nursery staff participated and learned the importance of transporting and storing water. The training also incorporated water bags and water play, contributing to the improvement of local disaster preparedness awareness.

Notice of the Establishment of the Customer Harassment Basic PolicySources

Sky Aqua Service Co., Ltd. has established a Customer Harassment Basic Policy to provide sincere service to customers while protecting the dignity of employees. We will continue to respect the human rights of both parties and strive to improve service while building a good relationship. Please refer to the policy for details.

Emergency Water Bags Donated to Echizen CitySources

On September 14, 2026, Sky Aqua Service Co., Ltd. donated emergency water bags to Echizen City, Fukui Prefecture. As part of a joint venture with the Echizen Plumbing Cooperative, the company has been entrusted with comprehensive operations for the city's water and sewer services. The donation aims to support disaster victims and recovery. The bags enable safe collection of drinking water from tanker trucks during outages and make it easier to transport and store; they can also be used in support operations for other municipalities.

Emergency Water Supply Operations ConductedSources

Sky Aqua Service Co., Ltd. dispatched personnel and conducted emergency water supply operations in response to Narita City’s disaster assistance request dated July 29, 2026, under the disaster response agreement between the company and the city. Emergency water distribution continued for two days due to falling reservoir levels. The company plans to continue working with Narita City and respond to future requests.

Report on Emergency Water Supply Support for the Kumamoto EarthquakeSources

From August 7 to 13, 2026, emergency water supply support was provided at a volunteer center in Hikawa Town, Kumamoto Prefecture. Water was supplied for drinking, work, and temporary toilets, and residual chlorine levels were measured daily. The team completed its activities safely despite the extreme heat and finished about four days ahead of schedule. The experience will be incorporated into manuals and training to strengthen disaster response capabilities.

Condolences and Support for Those Affected by the Kumamoto EarthquakeSources

Sky Aqua Service Co., Ltd. extends its sincere condolences to everyone affected by the 2026 Kumamoto earthquake. We pay tribute to those working hard on recovery and, as a member of the NJS Group, will dispatch water trucks to provide emergency water supplies to areas without water service. We hope the affected areas recover and rebuild as soon as possible and that everyone can return to a safe and secure life.

Recruitment Information Page UpdatedSources

Sky Aqua Service Co., Ltd. has updated its recruitment information page and published information about area-based hiring at its local offices. Contact information is available on the inquiries page.

Agreement with Narita City on Disaster Response SupportSources

Sky Aqua Service Co., Ltd. has signed an agreement with Narita City to support the restoration of water facilities during disasters. The agreement covers emergency water supply, operating stop valves, public information activities, telephone and counter services, and locating water meters. The company will continue working to maintain regional infrastructure.

Sky Aqua Service Co., Ltd. EstablishedSources

On January 1, 2026, CDC Aqua Service Co., Ltd. and Waterworks Asset Service Co., Ltd. merged to establish Sky Aqua Service Co., Ltd. Recruitment information and contact details are also provided. This announcement formally reports the company’s establishment and related information.

§08

Public records

GOV
National Tax Agency basic information8040001126345
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
株式会社スカイアクアサービス
Trade name (kana)
スカイアクアサービス
Name in English
Corporation type
301
Address
〒108-0014 東京都港区芝5丁目34番2号
Postal code
1080014
Prefecture code
13
City code
103
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2022-12-23
Update date
2026-01-21
Change date
2026-01-19
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
12
Correction type
0
Trade name image ID
Address image ID
Sequence number
2457204
METI gBizINFO8040001126345
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
8040001126345
Trade name
株式会社スカイアクアサービス
Trade name (kana)
スカイアクアサービス
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
東京都港区芝5丁目34番2号
Postal code
1080014
Prefecture
東京都
Prefecture code
13
City or district
港区
City code
103
Street address
芝5丁目34番2号
Organisation type
301
Processing type
71
Correction type
0
Status
Representative
Capital
Employees
Employees (male)
Employees (female)
Business summary
Website URL
Year founded
Business category
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date
2026-02-20
Key information
8040001126345
§09

Sources & updates

SOURCES
↑