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AppNexus

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AppNexus technology powers the most innovative trading solutions and marketplaces for Internet advertising.

Supply Side Platform (SSP)
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Market Share of AppNexus

Current Customer(s)

3482

Market Share (Est.)

8.43%

Ranking

#2

Top Competitors and Alternatives of AppNexus

The top three of AppNexus’s competitors in the Supply Side Platform (SSP) category are PubMatic with 81.36%, Sharethrough with 7.37%, OpenX with 1.12% market share.

TechnologyDomainsMarket Share (Est.)Versus page
PubMatic3359881.36%AppNexus vs PubMatic
Sharethrough30447.37%AppNexus vs Sharethrough
OpenX4641.12%AppNexus vs OpenX
Beachfront2600.63%AppNexus vs Beachfront
AdStir2110.51%AppNexus vs AdStir
LiveRail1100.27%AppNexus vs LiveRail
Vdopia530.13%AppNexus vs Vdopia
Index Exchange200.05%AppNexus vs Index Exchange
Sulvo Surge200.05%AppNexus vs Sulvo Surge
SmartyAds100.02%AppNexus vs SmartyAds
Virool70.02%AppNexus vs Virool
Brightcom70.02%AppNexus vs Brightcom
GetIntent70.02%AppNexus vs GetIntent
Rubicon Buyer Cloud30.01%AppNexus vs Rubicon Buyer Cloud
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Popular Comparisons

Top Competitors and Alternatives of AppNexus

The top three of AppNexus’s competitors in the Supply Side Platform (SSP) category are PubMatic with 81.36%, Sharethrough with 7.37%, OpenX with 1.12% market share.

AppNexus vs PubMatic

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AppNexus vs Sharethrough

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AppNexus vs OpenX

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AppNexus vs Beachfront

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AppNexus vs AdStir

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AppNexus vs LiveRail

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AppNexus vs Vdopia

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AppNexus vs Index Exchange

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Customers of AppNexus

Around the world in 2025, over 3482 companies have started using AppNexus as Supply Side Platform (SSP) tool.

CustomersEmployee RangeCityRegionCountrySocial Links
The Columbus Dispatch10,000+ColumbusOhioUnited States
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Vector Marketing10,000+OleanNew YorkUnited States
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Delmarva Now - The Daily Times5,000 - 9,999Ocean CityMarylandUnited States
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The Daily Record5,000 - 9,999WoosterOhioUnited States
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Eastern Marketing Services5,000 - 9,999PortsmouthNew HampshireUnited States
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Asbury Park Press1,000 - 4,999Neptune CityNew JerseyUnited States
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The Arizona Republic1,000 - 4,999PhoenixArizonaUnited States
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Gohealth, LLC1,000 - 4,999ChicagoIllinoisUnited States
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USA Today1,000 - 4,999McLeanVirginiaUnited States
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MyCentralJersey1,000 - 4,999SomervilleNew JerseyUnited States
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AppNexus Customers by Products and Services

The top three products and services offering customers that use AppNexus for Supply Side Platform (SSP) are Advertising (166), News (134), Marketing (116).

Customers

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AppNexus Customers by Employee Size

The majority of AppNexus's customers for the supply-side-platform-ssp category fall in the company size of 20 - 49 employees (964 companies), 0 - 9 employees (912 companies), 100 - 249 employees (843 companies).

Employee Size

AppNexus Customers by Geography

The top three geographies of AppNexus for supply-side-platform-ssp are the United States with 2149(71.92%), United Kingdom with 206(6.89%), Canada with 119(3.98%) customers respectively.

Customers

Employees of AppNexus

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Also see other Products/Services by AppNexus in:

Supply Side Platform (SSP)
Ad Serving
Ad Tech Infrastructure

FAQ

Find answers to the most often asked questions by users.

Who are the top AppNexus competitors?

AppNexus’s Top competitors in the supply-side-platform-ssp category are PubMatic, Sharethrough, OpenX. You can view a full list of AppNexus competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of AppNexus and 40,000 other technologies on the internet. You can also compare AppNexus and its feature with top competitors here : AppNexus vs PubMatic AppNexus vs Sharethrough AppNexus vs OpenX.

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What is AppNexus customer distribution based on company size?

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What is AppNexus market share in the supply-side-platform-ssp?

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What are the top countries that use AppNexus?

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What are the top industries that use AppNexus?

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