List of Advertising Services Companies
Selling into Advertising Services? Here are its companies, biggest first, including Private Company, WPP and Publicis Groupe. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10B+
144K
$1B - $10B
59K
$1.4B
$10B+
42K
<$10M
32K
$10B+
31K
$25M
$10B+
19K
$1B - $10B
15K
$10B+
14K
$1B - $10B
11K
$10B+
11K
$10B+
11K
$1B - $10B
10K
$1B - $10B
10K
$1.9B
$10B+
10K
$10B+
10K
<$1M
10K
$250M - $500M
10K
<$1M
10K
10K
$500M - $1B
10K
$10B+
9.5K
$10B+
8.8K
$130M
$10B+
8.6K
$4.1B
$1B - $10B
8.4K
$10B+
8.3K
$10B+
7.4K
$10B+
6.8K
$10B+
6.8K
$10B+
6.6K
$100M - $250M
6.6K
$10B+
6.6K
$1B - $10B
6.4K
$114K
$10B+
6.3K
$10B+
6.3K
$10B+
6.1K
$1B - $10B
6.1K
$10B+
5.9K
$10B+
5.7K
$350K
$10B+
5.4K
$25M - $50M
5.2K
$10B+
5.1K
<$1M
5K
5K
$10M - $25M
5K
$1B - $10B
5K
$10B+
4.9K
$1B - $10B
4.8K
$1B - $10B
4.7K
$10B+
4.7K
$10B+
4.6K
$10B+
4.5K
$55M
$100M - $250M
4.3K
$10B+
4.2K
$500M - $1B
4.2K
$10B+
4.1K
$1B - $10B
4.1K
$61M
$1B - $10B
4K
$1B - $10B
3.9K
$100M - $250M
3.9K
$1B - $10B
3.9K
$400M
$1B - $10B
3.8K
$1B - $10B
3.6K
$1B - $10B
3.6K
$1B - $10B
3.3K
$10B+
3.2K
$10B+
3.2K
$1B - $10B
3.1K
$10B+
3.1K
$1B - $10B
3.1K
$9.8M
$1M - $10M
3.1K
$1B - $10B
3.1K
$1B - $10B
3.1K
$10B+
3.1K
$10B+
2.9K
$500M - $1B
2.9K
$1B - $10B
2.9K
$1B - $10B
2.9K
$20M
$1B - $10B
2.9K
$1B - $10B
2.8K
$250M - $500M
2.8K
$1B - $10B
2.8K
$500M - $1B
2.8K
$100M - $250M
2.7K
$250M - $500M
2.7K
$500M - $1B
2.7K
$100M - $250M
2.7K
$1B - $10B
2.7K
$10B+
2.6K
$10B+
2.6K
$4.2B
$1B - $10B
2.5K
$2.4B
$1B - $10B
2.4K
$25M - $50M
2.4K
$1B - $10B
2.4K
$10B+
2.4K
$250M - $500M
2.4K
$500M - $1B
2.4K
$1B - $10B
2.4K
$10B+
2.4K
$500M - $1B
2.3K
$1B - $10B
2.3K
About Advertising Services companies
Which Advertising Services companies are listed?
Advertising Services companies of every size, from enterprises to startups, sorted by headcount so the biggest accounts come first. Companies on the list include Private Company, WPP and Publicis Groupe. Every company profile gives you revenue range, headcount, headquarters, tech stack and an employee directory with verified emails and phone numbers.
Where are Advertising Services companies located?
Advertising Services companies are most often headquartered in the United States, the United Kingdom, Canada, Australia, France and Germany.
What technologies do Advertising Services companies use?
The tools most often found in the tech stacks of Advertising Services companies include WordPress, Google Workspace, Amazon Web Services, Microsoft 365, Shopify and Google Cloud. Useful if you integrate with, complement or compete with one of them.
How do I reach decision makers at Advertising Services companies?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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Top companies by employee count
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