AppNexus
AppNexus technology powers the most innovative trading solutions and marketplaces for Internet advertising.
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.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| PubMatic | 34109 | 81.53% | AppNexus vs PubMatic |
| Sharethrough | 3036 | 7.26% | AppNexus vs Sharethrough |
| OpenX | 481 | 1.15% | AppNexus vs OpenX |
| Beachfront | 260 | 0.62% | AppNexus vs Beachfront |
| AdStir | 214 | 0.51% | AppNexus vs AdStir |
| LiveRail | 111 | 0.27% | AppNexus vs LiveRail |
| Vdopia | 52 | 0.12% | AppNexus vs Vdopia |
| Index Exchange | 21 | 0.05% | AppNexus vs Index Exchange |
| Sulvo Surge | 20 | 0.05% | AppNexus vs Sulvo Surge |
| SmartyAds | 10 | 0.02% | AppNexus vs SmartyAds |
| GetIntent | 8 | 0.02% | AppNexus vs GetIntent |
| Brightcom | 8 | 0.02% | AppNexus vs Brightcom |
| Virool | 7 | 0.02% | AppNexus vs Virool |
| Rubicon Buyer Cloud | 3 | 0.01% | AppNexus vs Rubicon Buyer Cloud |
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
AppNexus vs Sharethrough
AppNexus vs OpenX
AppNexus vs Beachfront
AppNexus vs AdStir
AppNexus vs LiveRail
AppNexus vs Vdopia
AppNexus vs Index Exchange
Customers of AppNexus
Around the world in 2025, over 3477 companies have started using AppNexus as Supply Side Platform (SSP) tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Ubisoft | 10,000+ | Saint-Mande | Ile-de-France | France |     |
| Altice USA, Inc | 10,000+ | Long Island City | New York | United States | |
| Walmart | 10,000+ | Bentonville | Arkansas | United States | |
| Accenture | 10,000+ | Dublin | Leinster | Ireland | |
| Vector Marketing | 10,000+ | Olean | New York | United States | |
| Series.One by Apple and Wattpad | 10,000+ | Toronto | Ontario | Canada | |
| Unilever | 10,000+ | London | England | United Kingdom | |
| Telenor | 10,000+ | Lysaker | Akershus | Norway | |
| Orange | 10,000+ | Issy-les-Moulineaux | Ile-de-France | France | |
| Wayfair | 10,000+ | Boston | Massachusetts | United 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 (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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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.
What is AppNexus customer distribution based on company size?
What is AppNexus market share in the supply-side-platform-ssp?
What are the top countries that use AppNexus?
What are the top industries that use AppNexus?
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