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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)

3690

Market Share (Est.)

8.87%

Ranking

#3

Top Competitors and Alternatives of AppNexus

The top three of AppNexus’s competitors in the Supply Side Platform (SSP) category are PubMatic with 78.37%, Sharethrough with 8.95%, OpenX with 1.46% market share.

TechnologyDomainsMarket Share (Est.)Versus page
PubMatic3261478.37%AppNexus vs PubMatic
Sharethrough37248.95%AppNexus vs Sharethrough
OpenX6091.46%AppNexus vs OpenX
Beachfront3900.94%AppNexus vs Beachfront
AdStir2870.69%AppNexus vs AdStir
LiveRail1090.26%AppNexus vs LiveRail
Index Exchange600.14%AppNexus vs Index Exchange
Vdopia530.13%AppNexus vs Vdopia
Sulvo Surge250.06%AppNexus vs Sulvo Surge
GetIntent230.06%AppNexus vs GetIntent
SmartyAds160.04%AppNexus vs SmartyAds
Virool90.02%AppNexus vs Virool
Brightcom60.01%AppNexus vs Brightcom
Rubicon Buyer Cloud20.00%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 78.37%, Sharethrough with 8.95%, OpenX with 1.46% 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 Index Exchange

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AppNexus vs Vdopia

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Customers of AppNexus

Around the world in 2026, over 3662 companies have started using AppNexus as Supply Side Platform (SSP) tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Vector Marketing10,000+OleanNew YorkUnited States
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Flipkart10,000+BengaluruKarnatakaIndia
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AMS10,000+LondonEnglandUnited Kingdom
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EPAM Systems10,000+NewtownPennsylvaniaUnited States
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Hootsuite10,000+Lexington-FayetteKentuckyUnited States
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NBC News10,000+New York CityNew YorkUnited States
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Rogers Communications10,000+TorontoOntarioCanada
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Ebay Ventures10,000+San JoseCaliforniaUnited States
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REMAX10,000+DenverColoradoUnited States
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Women.com10,000+FishersIndianaUnited 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 (177), News (141), Marketing (126).

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 (970 companies), 100 - 249 employees (864 companies), 0 - 9 employees (859 companies).

Employee Size

AppNexus Customers by Geography

The top three geographies of AppNexus for supply-side-platform-ssp are the United States with 2118(68.32%), United Kingdom with 239(7.71%), Brazil with 144(4.65%) 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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