Skip to content

Masterseek

Masterseek is a Denmark-founded business-to-business search engine and commercial company-information database.

Last updated August 31, 2026

AI crawler reads

No AI crawler has read this profile since Oct 28, 2026.

Overview

Masterseek is a business-to-business search engine founded in Denmark in 1999 by Rasmus Refer. Its service was designed to help users discover companies, products, services, websites, and business contacts across national, regional, and international markets. Rather than operating as a general-purpose consumer search engine, Masterseek focused on structured commercial information and company discovery. Its search tools used web crawlers to collect and organize business details from publicly available internet sources, while ranking systems attempted to order corporate websites and profiles according to relevance. The platform’s principal use cases included company searches, product searches, and people searches. Users could narrow results geographically, including global, national, regional, and local searches, and results could be displayed in multiple languages. Masterseek also offered a system called MasterRank, which assigned points or rankings to corporate websites. The service therefore combined elements of a search engine, business directory, lead-generation platform, and commercial database. The company’s stated scale expanded substantially during the 2000s and 2010s. In June 2008, Masterseek said that it contained approximately 50 million company profiles drawn from more than 75 countries and processed roughly 90,000 business-to-business searches per day. In March 2011, it reported 82 million profiles and an average of 300,000 new profiles added each month. By 2017, the company stated that its database contained more than 178 million company profiles. A later description associated with the brand referred to 175 million business profiles, 346 million websites, and 450 million contacts, including 216 million LinkedIn members; these figures are company claims and are not independently verified here. Masterseek’s commercial model included a paid business subscription. According to company executives, an annual subscription priced at USD 149 provided businesses with expanded control over their corporate profile, including profile content, advertising, widgets, and embedded video. This model positioned the service as both a discovery tool for buyers and a promotional platform for companies seeking visibility in international B2B markets. A major turning point came in October 2008, when Masterseek acquired the assets of Accoona, another B2B search engine with activity in the United States and China. Accoona had previously attracted attention for its use of artificial-intelligence techniques to interpret search queries and had maintained an exclusive partnership with China Daily. After Accoona encountered financial difficulties and withdrew its planned initial public offering, Masterseek acquired its remaining search technology, domain name, and other assets. Accoona’s information and technology were integrated into Masterseek, with the service relaunched in the United States and China and later introduced in Europe in January 2009. Masterseek also pursued visibility through commercial sponsorship. In July 2007, it announced that it would co-sponsor Team CSC, the Danish professional cycling team, beginning with the team’s participation in the Tour de France. The Masterseek name appeared on team apparel during that event. The sponsorship connected the relatively specialized B2B technology brand with an internationally visible Danish sports property. The company remained privately owned in the supplied historical material. In 2008 it reportedly sold a minority portion of authorized stock to foreign investors, and in 2009 it discussed another limited share offering intended to raise capital and support a possible listing on the Swedish marketplace AktieTorget. The material does not establish that the listing occurred, nor does it provide reliable information about Masterseek’s present ownership, operations, leadership beyond its founder, or current service availability.

History

Masterseek was established in Denmark in 1999 by Rasmus Refer as a business-to-business search company. Its core proposition was to make commercial information easier to find across the fragmented international web. The service used automated crawlers to collect information about companies, products, services, websites, and business contacts, then organized those materials into searchable business profiles. This approach distinguished Masterseek from general consumer search engines by emphasizing commercial discovery, geographic filtering, and company-level information. During its early expansion, Masterseek developed a database intended for users conducting international B2B research. Searchers could look for companies, products, services, or individuals and could define the geographical scope of a query. Results were ranked according to relevance, and the platform introduced MasterRank as a points-based mechanism for evaluating or ranking corporate websites. The service also supported multilingual result presentation, which reflected its intended use across national markets. The company publicly reported rapid growth in the number of indexed businesses. In June 2008, it claimed roughly 50 million company profiles from more than 75 countries and approximately 90,000 B2B searches each day. In March 2011, it reported 82 million profiles and an average of 300,000 new profiles per month. By 2017, the company stated that its database exceeded 178 million company profiles. Other descriptions of the platform referred to hundreds of millions of websites and contacts. These figures represent reported company metrics rather than independently audited measurements. Masterseek’s revenue model included paid annual subscriptions for businesses. According to statements attributed to company executives, a USD 149 annual plan gave subscribers control over their corporate profile and related promotional features, including content, advertising, widgets, and embedded video. The model combined free or general business discovery with paid profile management and visibility tools, allowing companies to use the platform as a marketing and lead-generation channel. In July 2007, Masterseek expanded its public profile through a sponsorship arrangement with Team CSC, Denmark’s professional cycling team. The company announced that it would co-sponsor the team beginning with its Tour de France participation, and the Masterseek name was placed on team apparel. This was a notable brand-building effort for a specialized B2B technology business because it connected the company to a widely followed international sporting event. The most important strategic transaction in the supplied history occurred in 2008. On October 30, Masterseek announced that it had acquired Accoona, a B2B search engine that had developed a presence in the United States and China. Accoona had been recognized for applying artificial-intelligence methods to the interpretation of keyword queries and had maintained an exclusive partnership with China Daily. After facing difficulties and withdrawing a planned initial public offering, Accoona became available for acquisition. Masterseek purchased its remaining search-engine code, domain, and other assets, integrated Accoona’s information into its own search service, and relaunched the offering in the United States and China. The combined service was subsequently introduced in Europe in January 2009. Masterseek also explored external financing and a potential public-market transition. Historical material states that in June 2008 the company sold 10 percent of its authorized stock to foreign investors. It later announced, on January 31, 2009, that a limited number of shares would be offered to raise approximately USD 4 million to USD 6 million, with the stated purpose of pursuing a listing on AktieTorget in Sweden. In October 2009, the company had signed an agreement with Swedish firm Thenberg & Kinde Fondkommission AB concerning financing. The available material does not establish that Masterseek completed an IPO or became publicly listed. By 2017, Masterseek continued to describe itself as operating a very large commercial database, claiming more than 178 million company profiles. However, the supplied sources do not provide dependable information about subsequent ownership, management changes, product continuity, financial performance, or whether the service remains active. Its historical record is therefore best understood as that of a Denmark-founded international B2B search and business-information brand whose principal documented expansion occurred through database growth, subscription-based corporate profiles, international market development, and the acquisition of Accoona.

  • 2017

    Masterseek reports more than 178 million profiles

    [1]

    The company stated that its business database had grown beyond 178 million company profiles.

  • 2011

    Database reaches 82 million reported profiles

    [1]

    Masterseek reported 82 million company profiles and an average of 300,000 new profiles added monthly.

  • 2009

    Accoona service launches in Europe

    [1]

    Following integration with Masterseek, the Accoona-related service was reported as launching in Europe in January 2009.

  • 2009

    Possible AktieTorget listing is pursued

    [1]

    Masterseek announced a limited share offering intended to raise capital for a potential Swedish AktieTorget listing; completion of the listing is not established.

  • 2008

    Masterseek reports 50 million company profiles

    [1]

    The company stated that its database contained about 50 million profiles from more than 75 countries and supported approximately 90,000 B2B searches per day.

  • 2008

    Accoona acquisition is announced

    [1]

    Masterseek acquired Accoona’s remaining search technology, domain, data, and related assets for integration into its B2B search platform.

  • 2007

    Team CSC sponsorship begins

    [1]

    Masterseek announced co-sponsorship of Team CSC, including visibility during the team’s Tour de France participation.

  • 1999

    Masterseek is founded in Denmark

    [1]

    Rasmus Refer founded Masterseek as a business-to-business search company in Denmark.

Products and positioning

A global B2B discovery and company-information platform combining web search, business-directory data, commercial profiles, and lead-generation functionality.

  • Business-to-business search · 1999

    Masterseek B2B Search Engine

    Masterseek’s central product was a search engine focused on commercial information rather than general consumer web queries. Automated crawlers collected business details from the internet and organized them into searchable records. Users could search for companies, products, services, and people, then refine searches by country, region, locality, or international scope. Results were ranked for relevance and could be presented in multiple languages.

  • Business directory and lead generation

    Corporate Profiles and Business Subscriptions

    Masterseek offered businesses the ability to manage and promote their presence in the company database through a paid subscription model. Company statements described an annual subscription of USD 149 that provided control over corporate-profile content, advertising, widgets, and embedded video. The offering was intended to improve visibility and support commercial prospecting.

  • Website ranking

    MasterRank

    MasterRank was a points-based ranking feature associated with Masterseek’s search platform. It was designed to rank or assess corporate websites within the service and supported the broader positioning of Masterseek as a business-discovery and online-visibility platform.

  • Integrated search technology · 2008

    Accoona integration

    After acquiring Accoona’s assets in 2008, Masterseek incorporated Accoona information and remaining search technology into its own service. The integration extended Masterseek’s presence in the United States and China and was followed by a European launch in January 2009.

Marketing campaigns

  • 2007Team CSC sponsorship

    Denmark · Europe · International

    Masterseek co-sponsored Team CSC, the Danish professional cycling team, beginning with the team’s participation in the Tour de France. The brand was displayed on team apparel and gained exposure through an internationally followed sporting event.

    Outcome. The sponsorship placed the Masterseek name on a prominent Danish cycling team, but the supplied sources do not quantify its commercial results.

Brand decisions

  • 2009

    Pursue financing and a potential AktieTorget listingStrategy

    Background

    Masterseek remained privately owned while seeking additional capital for expansion and a possible transition to public-market financing.

    Action taken

    The company announced a limited share offering intended to raise between USD 4 million and USD 6 million and later engaged Swedish financial firm Thenberg & Kinde Fondkommission AB concerning financing.

    Aftermath

    The available sources do not confirm that Masterseek completed an IPO or obtained a listing on AktieTorget.

    Proposed capital raise. USD 4 million to USD 6 million sought (Announced January 31, 2009)

  • 2008

    Acquire and integrate AccoonaM&A

    Background

    Accoona was a B2B search engine with activity in the United States and China, but it had encountered difficulties and withdrawn a planned IPO. Its remaining technology, domain, data, and other assets became available to Masterseek.

    Action taken

    Masterseek acquired Accoona’s remaining search-engine code, domain name, and related assets, integrated Accoona information into its own database, and relaunched the service in the United States and China before introducing it in Europe.

    Aftermath

    The transaction expanded Masterseek’s technology and international footprint. The supplied material does not provide later performance metrics for the integrated service.

Sources1 sources

Cite this profile: Cite the canonical profile. /brand-wiki/masterseek · Editorial policy · How profiles are compiled