Sohu

Corporate brand

A Chinese internet company known for its online media portal, advertising services, video operations, search-related businesses, and online games.

Last updated October 9, 2026

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Overview

Sohu is a Chinese internet company headquartered in Beijing and one of the country's early large-scale consumer internet brands. Its business developed from a general-purpose web portal into a collection of online media, advertising, search, video, gaming, and community services. The company was founded by Charles Zhang in 1996 under the name Internet Technologies China, after Zhang completed a doctorate at the Massachusetts Institute of Technology and obtained venture funding from associates there. The business was subsequently renamed Sohoo and then Sohu, a name chosen after Zhang met Yahoo co-founder Jerry Yang and wanted a distinct identity rather than a direct imitation of the American company. Sohu's early importance came from its role as a Chinese-language portal during the formative period of the country's commercial internet. Its portal model combined news, information, search, entertainment, advertising, and user-oriented online services. In September 2000, Sohu expanded into community services through the acquisition of ChinaRen, then one of China's prominent youth-oriented online communities. The acquisition strengthened Sohu's reach among younger internet users and broadened the company's position beyond portal publishing. Sohu became a publicly traded company on the Nasdaq in 2000 through a variable interest entity structure. Its public-market identity was associated with the ticker SOHU. During the late 2000s, the company was recognized by Fortune as one of the world's fastest-growing companies, reflecting the rapid expansion of China's online advertising and consumer internet markets. Sohu also developed businesses in online video and multiplayer gaming. Its gaming operations were associated with ChangYou, while its search business was represented by Sogou. Search became a significant strategic area but also an increasingly competitive one. In 2013, Sohu entered discussions to sell Sogou to Qihoo for approximately $1.4 billion, although the proposed transaction was not completed. Later that year, Tencent invested $448 million for a minority interest in Sogou. Tencent subsequently discontinued its Soso search engine and integrated search-related assets into Sogou. In 2021, Tencent completed the acquisition of Sogou and took the search company private, reducing Sogou's direct role within Sohu's continuing business portfolio. Sohu has also used large-scale media and event coverage to build its public profile. The company was selected in 2005 as the official internet content service sponsor for the Beijing 2008 Olympic Games. It provided services for the official Olympic website and reported substantial traffic during the event, including exceptionally high short-term visit volumes. This assignment demonstrated the value of Sohu's portal, infrastructure, advertising, and online publishing capabilities at a time when major sporting events were becoming important digital-media occasions in China. The company has faced ordinary strategic and intellectual-property pressures associated with internet-platform competition. In 2007, Sohu alleged that Google's Pinyin input method had copied elements of Sohu's Sogou Pinyin software. Google acknowledged that its input method had been built using non-Google database resources, while the materials do not establish a final legal finding against Google. The dispute illustrated the intense competition around Chinese-language search, input tools, and user data. Sohu's current identity is best understood as a Chinese internet and online-media group rather than solely as a search company. Its historical portfolio included a major news portal, advertising services, video, community products, search through Sogou, and multiplayer gaming through ChangYou. Some formerly associated businesses have been separated, sold, or reorganized, but the Sohu brand remains linked to Chinese digital publishing and internet services.

History

Sohu began in 1996 as Internet Technologies China, founded by Charles Zhang after his doctoral studies at MIT. Zhang obtained venture funding from colleagues and established the company during the early commercialization of China's internet. The business was later renamed Sohoo after Zhang encountered Yahoo co-founder Jerry Yang, and then changed its name to Sohu to create a more independent brand identity. The company developed as a Chinese-language web portal, providing news, search, entertainment, advertising, and other information services. This portal model was central to Sohu's early growth because it aggregated content and connected advertisers with a rapidly expanding population of Chinese internet users. In September 2000, Sohu acquired ChinaRen, a large youth-oriented online community. The transaction gave Sohu a stronger social and community presence and helped extend the portal's reach among younger users. Sohu listed on Nasdaq in 2000 through a variable interest entity arrangement. Its public listing made the company one of the recognizable Chinese internet stocks in the United States. During the late 2000s, Sohu broadened its operations into online video and multiplayer gaming, including the ChangYou gaming business, while maintaining its core portal and advertising activities. Fortune ranked Sohu among the world's fastest-growing companies in 2009 and again in 2010, although the cited rankings do not provide a complete financial history. Search became another major part of the group's development through Sogou. In 2013, Sohu held talks to sell Sogou to Qihoo for about $1.4 billion, but the transaction failed to close. Tencent then invested $448 million for a minority stake in Sogou. Tencent discontinued its Soso search service and transferred relevant search assets into Sogou. In 2021, Tencent completed the acquisition of Sogou and took it private, marking a major change in the ownership structure of one of the businesses historically associated with Sohu. Sohu also pursued high-visibility content and infrastructure assignments. In 2005, it was chosen as the official internet content service sponsor for the Beijing 2008 Olympic Games. The company was responsible for constructing, operating, and hosting the official Olympics website. During the Games, Sohu reported very high traffic levels, including millions of visits in short intervals and more than 100 million visits in one hour. The assignment strengthened its profile as a large-scale Chinese digital-media and internet-services provider. In April 2007, Sohu raised an intellectual-property complaint against Google concerning Google Pinyin. Sohu alleged that Google's input method had copied portions of Sogou Pinyin, pointing to a distinctive shared translation error as evidence. A Google spokesperson acknowledged that Google Pinyin had used non-Google database resources. The available reference describes the allegation and response but does not document a definitive court ruling. Sohu's historical evolution therefore covers several stages: early portal formation, expansion into online community services, Nasdaq listing, diversification into video and games, development and later divestment of search-related assets, and the use of major events to reinforce its digital-media position. Its brand remains associated with Chinese online news, advertising, entertainment, and general internet services, even as individual subsidiaries and product lines have changed ownership or strategic importance.

2021
Tencent takes Sogou private
[1]Sohu - Wikipediaen.wikipedia.org
Tencent completed its acquisition of Sogou, taking the search company private.
2013
Tencent invests in Sogou
[1]Sohu - Wikipediaen.wikipedia.org
Tencent invested $448 million for a minority interest in Sogou after an earlier proposed sale to Qihoo did not proceed.
2007
Google Pinyin intellectual-property dispute
[1]Sohu - Wikipediaen.wikipedia.org
Sohu alleged that Google Pinyin had copied elements of Sogou Pinyin and asked Google to stop distributing the software.
2005
Selected for Beijing Olympics internet-content role
[1]Sohu - Wikipediaen.wikipedia.org
Sohu was selected as the official internet content service sponsor for the Beijing 2008 Olympic Games.
2000
Nasdaq listing
[1]Sohu - Wikipediaen.wikipedia.org
Sohu became publicly listed on Nasdaq under the ticker SOHU through a variable interest entity structure.
2000
ChinaRen acquisition
[1]Sohu - Wikipediaen.wikipedia.org
Sohu acquired ChinaRen, a major youth-oriented online community website in China.
1997
Name changes to Sohoo and then Sohu
[1]Sohu - Wikipediaen.wikipedia.org
The company adopted the names Sohoo and subsequently Sohu as it developed its Chinese internet brand.
1996
Company founded as Internet Technologies China
[1]Sohu - Wikipediaen.wikipedia.org
Charles Zhang founded the company under the name Internet Technologies China after completing his doctorate at MIT and obtaining venture funding.

Products and positioning

A broad Chinese internet platform combining online news, digital media, advertising, search-related services, entertainment, and gaming.

Online portal and news
Sohu Portal
Sohu's core portal business provides Chinese-language news, information, entertainment, and other web content. The portal historically served as the center of the company's advertising model and connected editorial, search, video, and community services for Chinese internet users.
Digital news
Sohu News
Sohu News is the brand's online news and information offering, representing the company's long-standing role as a Chinese digital publisher. It forms part of the broader Sohu portal ecosystem and supports audience reach and advertising activity.
Online video
Sohu Video
Sohu Video represents Sohu's online video operations. It extended the company beyond text-based portal publishing into streamed and hosted audiovisual entertainment and helped diversify its digital-media inventory.
Search engine
Sogou
Sogou was Sohu's search-engine business and became a significant independent search brand in China. Tencent invested in the company in 2013, later integrated Soso-related assets into it, and completed its acquisition of Sogou in 2021.
Online multiplayer gaming
ChangYou
ChangYou represents Sohu's online gaming operations, particularly multiplayer games. The business formed part of Sohu's diversification from portal publishing into interactive entertainment and online services.
Online community
ChinaRen
ChinaRen was a prominent youth-oriented online community acquired by Sohu in 2000. Its addition expanded Sohu's social and community reach during the early period of China's consumer internet.

Controversies

2007
Allegations concerning Google Pinyin
Sohu alleged that Google's Pinyin input method incorporated material copied from Sogou Pinyin. The dispute centered partly on an unusual shared translation error. Google acknowledged using non-Google database resources, but the available reference does not establish a final court judgment.
Source

2008Beijing 2008 Olympic Games official internet coverage
China
As the official internet content service sponsor, Sohu constructed, operated, and hosted the official Beijing Olympics website. During the Games it delivered high-volume event coverage and reported exceptionally large traffic peaks.
Outcome. The assignment reinforced Sohu's reputation as a large-scale Chinese online-media and internet-infrastructure provider.
Source

Brand decisions

2021
Complete the separation of Sogou through Tencent acquisitionM&A
Background
Sogou had become closely connected with Tencent through the 2013 minority investment and integration of Tencent's search assets.
Action taken
Tencent completed its acquisition of Sogou and took the search company private.
Aftermath
Sogou ceased to be a publicly traded standalone search company and was no longer controlled through Sohu's historical operating portfolio.
Source
2013
Pursue a proposed Sogou sale to QihooM&A
Background
China's search market was highly competitive, and Sohu explored strategic alternatives for its Sogou search business.
Action taken
Sohu entered talks to sell Sogou to Qihoo for approximately $1.4 billion, but the transaction did not close.
Aftermath
Sogou instead received a minority investment from Tencent later in 2013.
Proposed transaction value. (2013)
Source
2013
Bring Tencent into Sogou's ownership structureM&A
Background
Following the unsuccessful Qihoo discussions, Sogou remained a strategic search asset in a market where Tencent also operated search-related products.
Action taken
Tencent invested $448 million for a minority interest in Sogou, and Tencent's Soso search-related assets were subsequently integrated into Sogou.
Aftermath
Tencent later completed the acquisition of Sogou in 2021 and took the company private.
Tencent investment. $448 million (2013)
Source
2005
Accept Beijing Olympics internet-content sponsorshipStrategy
Background
The Beijing 2008 Olympic Games created a major opportunity for Chinese digital platforms to demonstrate content, hosting, and traffic capabilities.
Action taken
Sohu became the official internet content service sponsor and took responsibility for building, operating, and hosting the official Olympics website.
Aftermath
Sohu reported very high traffic during the Games, strengthening its profile in Chinese online media.
Source
2000
Acquire ChinaRenM&A
Background
Sohu sought to expand beyond its general web portal and reach younger Chinese internet users through an established online community.
Action taken
Sohu acquired ChinaRen, described as one of China's largest youth community websites at the time.
Aftermath
The acquisition broadened Sohu's community and audience portfolio.
Source

Recent events

2026.08.10
Reported2026.08.10
Sohu reports second-quarter 2026 results[3]搜狐公布2026年第二季度财报tech.ifeng.com
Sohu reported second-quarter 2026 total revenue of $136 million, up 7% year over year, and non-GAAP net income attributable to Sohu of $500,000.
2021.09.24
Reported2021.09.24
Tencent and Sogou complete merger[4]腾讯与搜狗完成合并finance.sina.com.cn
Sogou announced that it had completed its merger with Tencent and would become an indirectly wholly owned subsidiary of Tencent Holdings while continuing to operate as the surviving company. Sogou also said its ADS trading had been suspended and its outstanding shares were acquired at $9 per ADS. Sohu confirmed the equity transaction was complete and that it would receive $1.18 billion and retain no Sogou equity.
2020.01.24
Reported2020.01.24
Sohu announces plan to take Changyou private[5]搜狐宣布将畅游私有化finance.sina.com.cn
Sohu announced on Friday that it would take private its majority-owned subsidiary Changyou through an all-cash transaction valuing Changyou at approximately $579 million.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.

Sources13 sources

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