ID5

ID5 was created to improve online advertising for consumers, media owners and advertisers, with the ultimate goal to help publishers grow sustainable revenue. ID5 provides the advertising ecosystem with a transparent, scalable and privacy-compliant identity infrastructure. Its solutions improve user recognition and match rates and provide a stable, consented and encrypted user ID to replace third-party cookies and MAIDs. This enables publishers to better monetise their audiences, advertisers to run effective and measurable campaigns, and platforms to maximise the value of data and inventory for their customers.

Domain

id5.io

Industry

Advertising

Employees

51-100

Last Funding

$20.0M

Founded

2016

Frequently Asked Questions

What technologies does ID5 use?+

ID5 uses 15 technologies including Nuxt.js, GSAP, Vue.js.

What industry is ID5 in?+

ID5 operates in the Advertising industry.

Where is ID5 based?+

ID5 is headquartered in United Kingdom.

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Data last updated: June 2026