Private company

Masterseek

American company based in New York City, founded in 1999¹

Masterseek Corp. is a B2B (business-to-business) search engine founded in Denmark in 1999.² It was founded by Rasmus Refer.¹ Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1999Founded¹

HeadquartersNew York City¹
Founded inDenmark¹
Websitewww.masterseek.com

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Masterseek Corp. is a B2B (business-to-business) search engine founded in Denmark in 1999.²

The story

Founded by Rasmus Refer in 1999, in Denmark.¹

Leadership

Who has led Masterseek, and when. Pick a name to see everywhere that person has worked.

FounderRasmus Refer¹

Products and brands

business-to-business

Listed on Wikidata.¹

Timeline

1999Founded Founded in Denmark¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataMasterseek on Wikidata
2
WikipediaMasterseek on Wikipedia