Kakaku.com
Corporate brand
UnclaimedA Japanese internet services company best known for its price-comparison, consumer-review, restaurant-discovery and travel-information platforms.
Last updated November 4, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
Kakaku.com is a Japanese digital-platform company whose flagship service, Kakaku.com, helps consumers compare prices, specifications, retailers and user evaluations across a broad range of products and services. The company began in the late 1990s as an online price-comparison business, addressing the difficulty of comparing rapidly changing electronics and other retail prices in Japan. It subsequently expanded beyond price comparison into editorial information, user-generated reviews, restaurant discovery, travel, accommodation, cinema and other consumer decision-making categories. The company’s central proposition is to collect, organize and distribute commercially useful information before a purchase. Merchants and service providers can present listings or advertising, while consumers can research products, compare offers, read reviews and follow price movements. This creates a two-sided model: consumer traffic and data support commercial monetization through advertising, listing-related services, referral or transaction-linked revenue and other platform services. The precise mix varies by service and reporting period. Kakaku.com has developed a portfolio rather than remaining a single-purpose comparison site. Kakaku.com is associated primarily with product and service price comparison. Tabelog is a major restaurant-search and review service that combines restaurant information, user reviews, rankings, reservations and related advertising or business services. Other group-operated or affiliated information services have covered areas such as travel, accommodation, cinema and lifestyle choices. This portfolio allows the company to serve consumers at multiple stages of research and purchasing, while giving businesses access to high-intent audiences. The company is headquartered in Tokyo and operates primarily in Japan. Its services are designed around Japanese merchants, local businesses, domestic consumer behavior and Japan-specific pricing and availability, so it is better characterized as a major domestic Japanese internet brand than as a broadly international consumer platform. Kakaku.com, Inc. is publicly traded in Japan under securities code 2371. Digital Garage has been a significant corporate shareholder and strategic partner, but the available material here does not establish that the company should be described as wholly owned by Digital Garage. Kakaku.com’s competitive importance comes from trust, breadth of structured information and accumulated user participation. Price comparison is valuable only when product specifications, retailer offers and review signals are sufficiently complete and current. Similarly, restaurant and travel discovery depend on large inventories, useful filters, credible reviews and sustained consumer traffic. The company therefore operates as an information intermediary rather than as a conventional retailer: it generally helps users make decisions and connects them with merchants or service providers instead of taking ownership of all inventory itself. Its business has also faced the normal platform challenges of maintaining review quality, preventing misleading information, keeping listings current, adapting to mobile usage and balancing consumer utility with monetization. Nevertheless, the brand remains one of Japan’s most recognizable online destinations for researching products, prices, restaurants and related consumer services.
History
Kakaku.com emerged in Japan during the first wave of consumer internet services in the late 1990s. Its original focus was price comparison: consumers could inspect product specifications and compare offers from multiple retailers in a single online environment. This was particularly useful for electronics and other categories in which prices differed across stores and changed frequently. The service addressed an information gap between manufacturers, retailers and consumers without operating primarily as a conventional inventory-owning retailer. As internet adoption increased, the platform expanded its database, retailer coverage, categories and user-generated information. Product pages became more than simple lists of prices, incorporating specifications, historical or current offer information, rankings, reviews and other tools intended to support purchase decisions. The company’s growth model depended on attracting high-intent users and monetizing access to that audience through commercial listings, advertising and related services. Kakaku.com later broadened its corporate portfolio beyond product comparison. Tabelog extended the company’s information and review model into restaurants, where users could search venues, read opinions, inspect menus or locations and, where available, make reservations. Travel and entertainment-related services, including 4travel and eiga.com, further widened the group’s presence in consumer research. These services share a common logic: users consult structured information and community or editorial signals before choosing a product, venue, trip or entertainment option. The corporate entity became a publicly traded Japanese internet company, with its shares listed on the Tokyo Stock Exchange under securities code 2371. Digital Garage has maintained an important relationship with Kakaku.com as a significant shareholder and strategic corporate connection. The company has continued to operate as a Japan-centered platform business, with its principal competitive assets consisting of brand recognition, category databases, user contributions, merchant relationships, search traffic and accumulated behavioral or review data. In its mature phase, Kakaku.com has had to manage the tensions common to information platforms. Consumers expect neutral, accurate and current information, while merchants and service providers pay for visibility or customer acquisition. The company must also moderate reviews, address potentially misleading content, maintain technical reliability, adapt services to smartphones and changing search behavior, and compete with retailers, specialist review sites, map services, social media and large technology platforms. Its continuing strategy has therefore involved maintaining a portfolio of trusted consumer-information brands rather than relying only on the original price-comparison proposition.
- 2010
Tabelog becomes a company-operated service
[1]Tabelog was reorganized within the Kakaku.com group as the restaurant service became a major platform alongside product comparison.
- 2005
Initial public offering
[1]Kakaku.com became publicly traded in Japan, later identified by Tokyo Stock Exchange securities code 2371.
- 2005
Tabelog joins the portfolio
[1]The company acquired or incorporated the Tabelog restaurant-information business, extending its comparison and review model into dining.
- 2003
Corporate name becomes Kakaku.com
[1]The operating company adopted the Kakaku.com name, aligning the corporate identity with its principal consumer website.
- 1997
Price-comparison business begins
[1]Kakaku.com traces the start of its business to the establishment of an online price-comparison service in Japan.
Products and positioning
A Japan-focused consumer decision-support platform group combining price comparison, structured product information, reviews, local discovery and related advertising or referral services.
Price comparison and consumer information · 1997
Kakaku.com
The flagship platform compares prices, retailers, specifications and user evaluations across consumer products and selected services. It is designed for research before purchase, helping users identify available offers and assess products through structured data, rankings, reviews and related information. Retailers and other businesses can use the platform for listings, customer acquisition and advertising.
Restaurant discovery and reviews · 2005
Tabelog
Tabelog is a Japanese restaurant-search and review platform. Its functions include restaurant listings, user reviews, rankings, search and filtering, location-based discovery and reservation-related features where supported. The service serves diners seeking information and restaurants seeking visibility, customer acquisition and business-facing digital services.
Travel information and reviews
4travel
4travel is a travel-information service associated with the Kakaku.com group. It provides destination, accommodation and travel-related information, including user contributions and reviews, supporting consumers during trip planning and comparison.
Cinema and entertainment information
eiga.com
eiga.com is a Japanese movie and cinema information service covering film-related news, titles, schedules and other entertainment information. It extends the group’s consumer-research model into cinema and film discovery.
Sources6 sources
Cite this profile: Cite the canonical profile. /brand-wiki/カカクコム · Editorial policy · How profiles are compiled