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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)

3495

Market Share (Est.)

8.35%

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 81.53%, Sharethrough with 7.26%, OpenX with 1.15% market share.

TechnologyDomainsMarket Share (Est.)Versus page
PubMatic3410981.53%AppNexus vs PubMatic
Sharethrough30367.26%AppNexus vs Sharethrough
OpenX4811.15%AppNexus vs OpenX
Beachfront2600.62%AppNexus vs Beachfront
AdStir2140.51%AppNexus vs AdStir
LiveRail1110.27%AppNexus vs LiveRail
Vdopia520.12%AppNexus vs Vdopia
Index Exchange210.05%AppNexus vs Index Exchange
Sulvo Surge200.05%AppNexus vs Sulvo Surge
SmartyAds100.02%AppNexus vs SmartyAds
GetIntent80.02%AppNexus vs GetIntent
Brightcom80.02%AppNexus vs Brightcom
Virool70.02%AppNexus vs Virool
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 81.53%, Sharethrough with 7.26%, OpenX with 1.15% 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 3477 companies have started using AppNexus as Supply Side Platform (SSP) tool.

CustomersEmployee RangeCityRegionCountrySocial Links
NAB10,000+MelbourneVictoriaAustralia
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Rogers Communications10,000+TorontoOntarioCanada
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Fidelity Investments10,000+BostonMassachusettsUnited States
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Vector Marketing10,000+OleanNew YorkUnited States
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LinkedIn10,000+SunnyvaleCaliforniaUnited States
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Dentsu10,000+TokyoTokyoJapan
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Adobe10,000+San JoseCaliforniaUnited States
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Series.One by Apple and Wattpad10,000+TorontoOntarioCanada
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Unilever10,000+LondonEnglandUnited Kingdom
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Ubisoft10,000+Saint-MandeIle-de-FranceFrance
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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 (963 companies), 0 - 9 employees (909 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 2143(71.82%), United Kingdom with 206(6.90%), Canada with 120(4.02%) customers respectively.

Customers

Employees of AppNexus

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Also see other Products/Services by AppNexus in:

Supply Side Platform (SSP)
Ad Tech Infrastructure
Ad Serving

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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