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Founded2010; 12 years ago (2010)
FounderAre Traasdahl, Founder
Dag Liodden, Co-Founder & CTO
Key people
Sigvart Voss Eriksen, CEO[1]
Revenue$34 million (2015)[2]
Number of employees

Tapad Inc. is a venture-funded startup company that develops and markets software and services for cross-device advertising and content delivery. It uses algorithms to analyze internet and device data and predict whether two or more devices are owned by the same person. Participating websites and apps then cater their advertisements based on a collective knowledge of the user's actions across all of their devices. Tapad was founded in 2010 by Are Traasdahl. It raised $1.8 million in funding in June 2011 and another $6.5 million in March 2013. Telenor Group has on 29 January 2016 entered into an agreement to acquire approximately 95% of Tapad Inc. The purchase price is USD 360 million, on a debt and cash-free 100% basis.


The idea for Tapad was conceived by cofounder and CEO Are Traasdahl at the Consumer Electronics Show (CES). He saw attendees switching between televisions, laptops and smartphones and thought that brands should be able to cater their ads to individual users even as they switch between devices.[3] Cofounder and CTO Dag Liodden, Traasdahl, and four others began developing algorithms for the software[3] and founded Tapad in 2010.[4] It took almost a year for the company to obtain its first client, but afterwards the organization grew quickly.[3] In 2011, it raised $1.8 million in funding[5] and opened five more sales offices in major US cities.[3] From mid-2012 to mid-2013, the company hired 44 people and moved its headquarters to a larger office in New York City.[3] Another $6.5 million in funding was raised in March 2013[6] and $7 million was raised in July 2014 to fund additional expansion in Europe.[7] An additional $18.5 million in funding was raised in July 2015.[8]

On January 29, 2016, Telenor Group entered into an agreement to acquire about 95 percent of Tapad Inc. for $360 million.[9][10]

On November 19, 2020, Experian announced that it had completed the acquisition of Tapad.[11]

Software and services[edit]

Tapad uses data such as cookie IDs, operating system IDs,[4][5] IP addresses,[12] online registrations[3] and data from partnering publishers[4] to develop a probability that different devices are shared by the same person or household.[12] According to Tapad, none of the data contains personally identifiable information (PII).[3] In a data sample tested by Nielsen, Tapad accurately identified users across devices in 91.2% of cases. This is only slightly less than deterministic methods which require PII.[13]

Tapad is used for advertising to consumers across devices, where a user is shown an ad on their mobile or tablet device based on websites they visited on a desktop[5][12] or based on a usage behavior that matches an advertiser's target audience.[14] For example, if an Android phone visits a website shortly after a desktop PC from the same home network, Tapad will assess that there is a high probability that the two devices are operated by the same person and will show them similar ads on both devices.[5] According to the company website, its services also include cross-device analytics for things like location, timing, user behavior, and audience analysis.[15]

Website publishers use Tapad's technology to understand how a consumer engages with page content, regardless of the device being used to access the site. This can be useful to customize advertising creative, editorial content and offer a more uniform experience for the user across all devices.[16]

In early 2015, Tapad partnered with Placed, a company that specializes in the measurement of in-store visitation by consumers, then introduced features and services that attempt to measure if an advertising campaign resulted in consumers visiting a business location.[17] It also introduced TV Pulse, a product that uses data from first party data suppliers to attempt to measure the effect of digital advertising campaigns.[8] Tapad’s Device Graph is also licensed to other technology companies and integrated into their products.[18]


Advertisements using Tapad usually feature a notification that explains the ad is being shown as a result of behavioral analysis[19] and provide an opt-out button[3][20] in compliance with standards set by the Digital Advertising Alliance.[19][20] The disclosure features are provided by Evidon, which Tapad partnered with in November 2011.[19] According to Forbes, Tapad's "burgeoning success risks irking Congress, regulators and privacy advocates."[21] The company's CEO says it shouldn't be a problem, since it doesn't collect personally identifiable information.[21]


  1. ^ Schiff, Allison (June 8, 2017). "Telenor Exec Takes Over As Tapad CEO, As Are Traasdahl Transitions To The Board". AdExchanger. Retrieved June 29, 2017.
  2. ^ a b "America's Most Promising Companies: #39 Tapad", Forbes, retrieved February 5, 2017
  3. ^ a b c d e f g h Colao, J.J. "Ads That Follow You Home: Has Tapad Cracked The Code Of Cross-Device Advertising?". Forbes. Retrieved September 26, 2014.
  4. ^ a b c Del Rey, Jason (19 September 2011). "10 Startups to Watch: Tapad". AdAge. Retrieved January 16, 2014.
  5. ^ a b c d Schonfeld, Erick. "Tapad Brings Ad Retargeting To Mobile, And $1.8 Million From Powerhouse Investors". TechCrunch. Retrieved January 16, 2014.
  6. ^ Kafka, Peter (March 21, 2013). "Mobile Ad Targeter Tapad Raises $6.5 million, valued at $140 million". All Things D. Retrieved January 16, 2014.
  7. ^ Mcenery, Thornton (July 1, 2014). "Silicon Alley darling Tapad raises $7M in capital". Crain's New York Business. Retrieved January 5, 2014.
  8. ^ a b Loechner, Tyler (July 2, 2015). "Tapad Adds Linear TV To Measurement Platform". MediaPost. Retrieved July 26, 2015.
  9. ^ Lunden, Ingrid (February 1, 2016). "Telenor Jumps Into Ad Tech, Acquires Tapad For $360M". TechCrunch. Retrieved February 2, 2016.
  10. ^ Griffith, Erin (February 1, 2016). "Yes, Adtech is Still Strong in NYC". Fortune. Retrieved February 2, 2016.
  11. ^ "Experian plc - Experian acquires Tapad, a leading digital identity resolution provider". Retrieved 2020-12-20.
  12. ^ a b c "The Disruptors:Reaching Customers Anywhere [VIDEO]". CNBC. 30 April 2013. Retrieved September 26, 2014.
  13. ^ Loechner, Tyler (July 2, 2015). "'Algorithms That Learn' Catching Up To Personally Identifiable Information". MediaPost. Retrieved July 28, 2015.
  14. ^ Ante, Spencer. "Online Ads Can Now Follow You Home". The Wall Street Journal. Retrieved January 15, 2014.
  15. ^ Product, retrieved January 16, 2013
  16. ^ "New YP Ad Product Offers Digital Audience Extensions".
  17. ^ Loechner, Tyler (July 2, 2015). "Linking Digital Ads To In-Store Visits Continues To Spread: Tapad, Placed Ink Deal". MediaPost. Retrieved July 26, 2015.
  18. ^ Loechner, Tyler (July 2, 2015). "Cross-Screen Marketing Tech Firm Tapad Raises $18.5M". MediaPost. Retrieved July 28, 2015.
  19. ^ a b c Smith, Steve (November 15, 2011). "Tapad Taps Evidon for Mobile Opt-outs". MediaPost. Retrieved January 16, 2014.
  20. ^ a b Meyer, Scott (19 September 2012). "It's Time for the Mobile-Ad Industry to Start Taking Privacy Seriously". Ad Age. Retrieved September 26, 2014.
  21. ^ a b J. J. Colao (June 10, 2013). "Ads That Follow You Home: Has Tapad Cracked The Code Of Cross-Device Advertising?". Forbes Magazine. Retrieved March 26, 2014.

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