Companies using Id5 by Id5 in 2025
As of 2025, 21,642 verified companies use Id5 – across industries, company sizes, and geographies. This is real, verified data
Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.
What is Id5?
Id5 by Id5, is a privacy-first identity solution for digital advertising. It enables publishers to recognize users, request consent, and share that consent with the advertising ecosystem, thus improving user experience and ensuring regulatory compliance. It’s generally used by advertising companies, marketing departments, and related technology vendors.
Last updated date
Number of Companies using
21,642
The majority are based in the
United States
Most common industry?
Manufacturing
Id5’s sample user list in 2025
We have data on 21,642 companies that use Id5. Our Id5 customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
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Id5 users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where Id5 Shows Up Most
Id5 is used across a wide range of sectors:
Manufacturing
Media & Internet
Retail
Software
Finance
From lean startups to global enterprises, Id5’s footprint is wide, and that means opportunity.

Tech Stack Database
How It Works
It’s everything you wish outbound was—automated, precise, and scalable.
- Landbase finds and qualifies your ideal prospect data automatically
- Landbase deploys specialized AI agents to generate and run high-converting campaigns
- Landbase executes across all channels, handling all the technical complexity behind the scenes.
- Your pipeline fills up. You get to focus on strategy, not busywork.
Trusted by High-Performing GTM Teams
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- Built for SDRs, AEs, RevOps, and GTM Leaders
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FAQs
Contact UsHow latest this data is?
This data is updated on May 20, 2025
What is Id5 and what does it do?
Id5 is a privacy-first identity solution for digital advertising. It enables publishers to recognize users, request consent, and share that consent with the advertising ecosystem, thus improving user experience and ensuring regulatory compliance.
How many companies are using Id5 as of 2025?
As of 2025, there are 21,642 verified companies using Id5.
In which country is Id5 most widely used?
Id5 is most widely used in the United States.
Which industries are most commonly using Id5?
The Manufacturing industry uses Id5 the most, followed by Media & Internet, Retail, Software, and Finance.
What kind of data is included in the Id5 customer list?
The Id5 customer list includes vital company specifics, such as industry classification, organizational size, geographical location, funding rounds, and revenue figures.