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Industry Internet
Computer software
Founded Denmark (1999)
Founder Rasmus Refer
Headquarters New York City, United States
Area served
Key people
Rasmus Refer (Co-Founder, CEO)
Jørgen Trygved (Co-Founder)
Qasim Raza (CTO)
Robert Perz (COO, 2005-08)
Products B2B Search Engine
Subsidiaries Accoona

Masterseek Corp. is a B2B (Business to Business) search engine founded in Denmark in 1999.[1] It currently hosts over 83 million worldwide company profiles from 75 countries,[2] and business subscribers are given complete control over their corporate profiles.[1] According to the amount of listed profiles, they are the largest B2B search engine worldwide.[3]


Masterseek was founded in Denmark by Rasmus Refer in 1999.[1] Their Denmark headquarters is located at Bredgade 29, DK-1260 Kbh. K, and they also have a current headquarters in New York City, at 82 Wall Street.[4]

According to its executives, Masterseek utilizes a business model based on an annual business subscription fee of USD $149, in return for which subscribers receive full editing control over their corporate profile, content and advertising, and control over widgets and embedded video, among other factors.[5]


As of June 2008, accountancy firm Horwart International had approximated the raw market value of the Masterseek company at $150 million.[6] The company remains privately owned, but also in June 2008, it sold 10% of its authorized stocks to a range of foreign investors.[6] The company announced on January 31, 2009 that they company was again offering a limited number of shares for sale in order to raise $4–6 million in order to gain a listing on the Swedish marketplace AktieTorget. Founder Refer also announced there were plans for an IPO.[7] By October 2009, they had signed with the Swedish-based company Thenberg & Kinde Fondkommission AB for financing.[3]

In the Danish company register the name Masterseek is coming up in three bankruptcies and one compulsory dissolution.[8]


In June 2008, the company stated it had 50 million company profiles, from over 75 countries, and handled 90,000 B2B searches daily.[1][7][9] The company stated they had 82 million profiles on March 21, 2011, with an average of 300,000 new profiles added monthly.[5]

Acquiring Accoona[edit]

Accoona logo.png

On October 30, 2008, it was announced that Masterseek had acquired the B2B search engine Accoona.[1][10] "When [Business Insider] first heard about the money-losing Jersey City-based startup filing for IPO last year, [their] impulse was to run away screaming."[11] The search engine had been fairly successful in the United States and China,[12] where it had an exclusive partnership with China Daily News.[11] On August 3, 2006, TIME had dubbed Accoona one of its "50 best websites," illustrating how the search engine used artificial intelligence to "understand" the meaning of keyword queries.[13] Accoona had run into difficulties and gone defunct by early October 2008, withdrawing its IPO.[11]

After Masterseek bought the remaining search engine codes, domain name, and assets,[1] Accoona was integrated with Masterseek, and re-launched in the USA and China. It was launched in Europe in January 2009.[12] Accoona information was also integrated into the Masterseek search engine.[1]


The Masterseek search engine relies on web crawlers that automatically collect and sort company details from the internet.[9] Searches can look up company profiles, contact information, and descriptions of products and services. Searches can be global, national, regional, or involved local markets. Hits are listed by relevance according to search terms. There are different search options, including a specific product search, company searches, and people searches. Results can be displayed in most languages.[3] The search engine also offers MasterRank, a point system for ranking corporate websites.[14]

Beta version[edit]

Masterseek released a new Beta Version of its search engine on March 25, 2011. Before then, it was accessible to business owners, managers, and other professionals, but the Beta Version made searching the site free and open to the public.[5]

Warnings against Masterseek Corp.[edit]

In December 2009 the Swedish Financial Supervisory Authority issued a warning against Masterseek Corp. to warn investors [15][16]

In February 2010 the issued a warning against Masterseek and related companies Bark Group and Blogger Wave.[17]


On July 5, 2007, Masterseek announced they were cosponsors to Team CSC, Denmark's cycling team, beginning with the team's involvement in the Tour de France. The Masterseek name began to be displayed on the team's apparel that week, with the Tour's start in London.[4]


  • Rasmus Refer - Founder, Director, President of Technology
  • Qasim Raza - Chief Technology Officer[14]

See also[edit]


  1. ^ a b c d e f g Hartzer, Bill (November 5, 2008). "B2B Search Engine Accoona Acquired by Masterseek". Search Engine Marketing. Retrieved 2011-05-08. 
  2. ^ " Partners with Simply Hired". US Business Times. April 16, 2011. Retrieved 2011-05-08.  |first1= missing |last1= in Authors list (help)
  3. ^ a b c Morgan, KC (October 27, 2009). "Masterseek: a Global Business Search Engine". SEOchat. Retrieved 2011-05-08. 
  4. ^ a b "Masterseek Cosponsors Team Csc". Global Business Profiles. May 4, 2011. Retrieved 2011-05-08. 
  5. ^ a b c "Masterseek Expected to Release Beta Version of Search Engine". WirePRNews. March 21, 2011. Retrieved 2011-05-08. 
  6. ^ a b "Search Engine is Looking for Strategic Investors". Reuters. June 27, 2008. Retrieved 2011-05-08.  |first1= missing |last1= in Authors list (help)
  7. ^ a b " Is Planning for an IPO". Reuters. January 31, 2009. Retrieved 2011-05-08.  |first1= missing |last1= in Authors list (help)
  8. ^ "Plattenslagere skamrider danske varemærker som Carlsberg, Danisco og Coop (Cheats shame rides Danish brands)". Retrieved 2014-07-25.  External link in |publisher= (help)
  9. ^ a b "Global Business Search Engine to Strengthen Its Advertising Network for B2B Search". Reuters. June 26, 2008. Retrieved 2011-05-08. 
  10. ^ "Almost-Dead Search Engine Accoona Bought by Denmark's Masterseek". Paid Content. November 2008. Retrieved 2011-05-08. 
  11. ^ a b c Krangel, Eric (October 3, 2008). "Dead Search Engine Accoona Officially Dead". Business Insider. Retrieved 2011-05-08. 
  12. ^ a b Johnson, Nathania (November 5, 2008). "Accoona Acquired by Masterseek". Search Engine Watch. Retrieved 2011-05-08. 
  13. ^ Buechner, Maryanne (August 3, 2006). "50 Coolest Websites: 2006". TIME. Retrieved 2011-05-08. 
  14. ^ a b "Masterseek Corp.". Businessweek. Retrieved 2011-05-08. 
  15. ^ "Warning against Masterseek Corp.". Finansinspektionen. Retrieved 2014-07-03. 
  16. ^ "IT-firma snyder investorer (IT firm cheating investors)". Retrieved 2014-07-03.  External link in |publisher= (help)
  17. ^ "Danish Shareholders Association warns against Bark Group, Blogger Wave and Masterseek". Dansk Aktionærforening. Retrieved 2014-07-27.  External link in |publisher= (help)

External links[edit]