Hotel BusinessFood and Beverage BusinessWashington Hotel Plaza BusinessWashington R&B Hotel BusinessGolf Course Restaurant ManagementLand Utilization ProposalsMembership System Management
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Network
NETWORK
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History
26 EVENTS
Established Nagoya Kokusai Hotel Co., Ltd. at 4-1 Sakae, Naka-ku, Nagoya City
Launched Nagoya Kokusai Hotel
Opened Nagoya International Hotel
Opened Nagoya First Washington Hotel as the first Washington Hotel (closed in August 1993)
Started the membership system "Washington Card"
Changed the trade name to "Washington Hotel Corporation"
Changed the names of all hotels from "Washington Hotel" to "Washington Hotel Plaza"
Opened R&B Hotel Tokyo Higashi-Nihombashi as the first R&B Hotel in Tokyo
Obtained ISO 14001 environmental management certification for the hotel industry (at Kumamoto Washington Hotel Plaza)
Received the Runner-up Award in the Hotel and Inn category at the 6th Green Purchase Awards
Launched the "Accommodation Net Points System" on the R&B Hotel reservation site
Received the Bronze Award at the 2007 Aichi Environment Award, a first in the hotel industry
Divested the Nagoya Kokusai Hotel business and made it a subsidiary as Nagoya Kokusai Hotel Co., Ltd. (capital of 10 million yen)
Launched the "Accommodation Net Points" common point system for all hotel brands
Start of the "Best Rate" where reservations from accommodation net points are the cheapest price
Start of the "Washington Senior Card" offering 5% OFF on dining for those aged 60 and over (available at directly managed restaurants of Washington Hotel Plaza and Nagoya International Hotel)
Change of the name of accommodation net points to "Accommodation Net"
Termination of point accumulation through accommodation use with Washington Card (point accumulation at dining establishments and banquet halls continues)
Release of the smartphone app for Accommodation Net
Listed on the Tokyo Stock Exchange Second Section and Nagoya Stock Exchange Second Section
Liquidation of Nagoya International Hotel Co., Ltd. (business closed in September 2020)
Transition to the Tokyo Stock Exchange Standard Market and Nagoya Stock Exchange Main Market
Reduced capital to 100 million yen
Change of the name of Accommodation Net to "Washington Net" and R&B Hotel to "Washington R&B Hotel"
Signed a business alliance agreement with Fujita Kanko Inc.
Started mutual use of membership programs with Fujita Kanko Inc.
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News
32 ARTICLES
Washington R&B Hotel Hamamatsu South Exit Opening Announcement March 10, 2027
On Wednesday, March 10, 2027, Washington R&B Hotel Hamamatsu South Exit will open in Hamamatsu City, Shizuoka Prefecture. Prior to the opening, online reservations will begin on Tuesday, November 24, 2026, via the official website. The hotel is located about a three‑minute walk from JR Hamamatsu Station South Exit and offers a variety of rooms and comfortable sleeping environments for business travelers, tourists, families, and international visitors.
Washington Hotel Plaza Breakfast Event "Kumamoto Eat and Support Fair"
Washington Hotel Plaza is hosting a limited-time breakfast event "Kumamoto Eat and Support Fair" at 16 hotels nationwide starting November 4. The event gathers Kumamoto's specialty dishes and local sweets, allowing guests to enjoy the charm of Kumamoto through food.
Breakfast Event 'Kumamoto Eat and Support Fair' Held
Washington Hotel Plaza will hold a limited‑time breakfast event "Kumamoto Eat and Support Fair" starting November 4th across 16 hotels nationwide. It will offer Kumamoto specialties such as spicy lotus root, Da‑Aso Milk Cream Croquettes, Gohan no Tomo, and Ikinari Dango. The Shimonoseki Washington Hotel Plaza and Kurume Washington Hotel Plaza are excluded.
Announcement of Washington R&B Hotel Sapporo North 3 West 2 Facility Tour
The renovation of Washington R&B Hotel Sapporo North 3 West 2 will be completed in July 2026, and a facility tour with a free trial stay will be held on November 25. Participation is via the application form, and the location is 1-30, Kita 3-jo Nishi 2-chome, Chuo-ku, Sapporo.
Suspicious message disguised as our hotel (Report 3)
In the third report released on October 21, 2026, unauthorized access by a third party to the reservation management system "TEMAIRAZU" was confirmed, and it was reported that personal information such as the name and phone number of the reservation holder may have been viewed or obtained. Additionally, it was confirmed that suspicious SMS, e-mails, WhatsApp, etc. messages claiming to be from our hotel were sent for reservations made after September 21, 2026. Based on the additional information confirmed, we are notifying you again about the current situation and countermeasures, and we deeply apologize for the concerns and inconvenience caused to our customers.
Possible Unauthorized Access to Washington Hotel Reservation Information
Washington Hotel Corporation announced that it had identified unauthorized access to its reservation management system by a third party, and that some guest information may have been viewed or obtained. It also confirmed incidents in which suspicious messages were sent to customers.
Washington Hotel Warns of Suspicious Messages
Washington Hotel Co., Ltd. warns that fraudulent messages sent to guests with reservations through messaging apps such as WhatsApp have been reported. It has found no abnormalities in its systems at present and is investigating. Customers are urged to be cautious of suspicious messages.
Washington Hotel Ransomware Infection: Investigation Results and Response Status
Regarding the ransomware infection announced in February 2026, the investigation has been completed, and an external investigation firm found that the infection resulted from unauthorized access via an external connection. No new infections or suspicious behavior have been confirmed at this time, and there is said to be no impact on personal information.
Ransomware Infection Investigation Results and Response Status Notice
Regarding the ransomware infection announced on February 14, 2026, a forensic investigation conducted by an external specialized investigation company has been completed. It was confirmed that the infection occurred via external connection devices and some servers were encrypted. Currently, no new infections or suspicious behaviors have been observed. No traces of personal information theft have been confirmed. An apology was also issued.
Washington Net Points Now Credited Within 24 Hours
For stays checking out on or after September 1, 2026, Washington Net points are now credited within 24 hours instead of 72. Points are added on the checkout date, making them easier to use for the next reservation. Thank you for your continued support.
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Public records
GOV
National Tax Agency basic information3180001042070
Source: National Tax Agency Corporate Number Publication Site, basic three items
