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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)

4296

Market Share (Est.)

8.96%

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 78.87%, Sharethrough with 8.43%, OpenX with 1.68% market share.

TechnologyDomainsMarket Share (Est.)Versus page
PubMatic3781878.87%AppNexus vs PubMatic
Sharethrough40438.43%AppNexus vs Sharethrough
OpenX8061.68%AppNexus vs OpenX
Beachfront4480.93%AppNexus vs Beachfront
AdStir2690.56%AppNexus vs AdStir
LiveRail970.20%AppNexus vs LiveRail
Vdopia550.11%AppNexus vs Vdopia
Index Exchange380.08%AppNexus vs Index Exchange
GetIntent230.05%AppNexus vs GetIntent
Sulvo Surge200.04%AppNexus vs Sulvo Surge
SmartyAds150.03%AppNexus vs SmartyAds
Virool110.02%AppNexus vs Virool
Brightcom80.02%AppNexus vs Brightcom
Rubicon Buyer Cloud40.01%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 78.87%, Sharethrough with 8.43%, OpenX with 1.68% 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 4291 companies have started using AppNexus as Supply Side Platform (SSP) tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Flipkart10,000+BengaluruKarnatakaIndia
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Ubisoft10,000+Saint-MandeIle-de-FranceFrance
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Manulife10,000+TorontoOntarioCanada
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Amadeus Hospitality Americas10,000+PortsmouthNew HampshireUnited States
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WNS10,000+New York CityNew YorkUnited States
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ReverbNation10,000+SingaporeCentral SingaporeSingapore
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DeviantArt, Inc.10,000+Los AngelesCaliforniaUnited States
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Microsoft10,000+RedmondWashingtonUnited States
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DXC Technology10,000+AshburnVirginiaUnited States
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EY10,000+LondonEnglandUnited Kingdom
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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 (205), News (166), Marketing (148).

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 (1160 companies), 100 - 249 employees (1005 companies), 0 - 9 employees (982 companies).

Employee Size

AppNexus Customers by Geography

The top three geographies of AppNexus for supply-side-platform-ssp are the United States with 2551(69.74%), United Kingdom with 268(7.33%), Brazil with 152(4.16%) 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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