From one profile to the wider world

A company builds one profile of each customer, then matches its customer list outside the company.

1Customer data platforms ↓Software that joins one company's records of eachcustomer into one profile.ZeotapLemnisk2Identity data companies ↓Linking people across companies, devices andadvertising, by matching identifiers.EpsilonLiveRampZeta Globalthe customer list,matched outside1Customer data platforms ↓Software that joins one company's recordsof each customer into one profile.ZeotapLemnisk2Identity data companies ↓Linking people across companies, devicesand advertising, by matching identifiers.EpsilonLiveRampZeta Global

Box 1 joins a company's own records of each customer into one profile. Box 2 matches that customer list to people's identities on other sites, so the company can reach and measure the same customers there. Tap a title in the diagram to jump to its companies.

1

Customer data platforms 2 companies

A customer data platform joins everything a company knows about one customer, from its app, website, shop and call centre, into one profile that other software can use.

Zeotap logoZeotapZeotap, founded in Bengaluru and now run from Germany, sells a customer data platform to European brands and telecom operators.
Lemnisk logoLemniskLemnisk sells banks and insurers a customer data platform that works on the data where it already sits, instead of keeping its own copy.
The tech, explainedCustomer data platform (CDP)
2

Identity data companies 3 companies

These companies link a brand's customer list to people's identities online and on other companies' sites, so the brand can reach and measure the same customers elsewhere.

Epsilon logoEpsilonEpsilon sells marketing data and identity matching to large brands.BengaluruHiring now
LiveRamp logoLiveRampLiveRamp made a business of matching a brand's customer list to people's identities online, so the brand can reach them with advertising.Hyderabad
Zeta Global logoZeta GlobalZeta Global links records only when they share an exact identifier, such as an email address, beneath its marketing platform.Bengaluru · HyderabadHiring nowSee alsoMarketing automation and customer engagement platforms
The tech, explainedIdentity graph
How it all worksMarketing technology (martech)A left basket brings a push, an email, a WhatsApp.
See how it works →

What's changing

Clean rooms let companies share data without handing it over.

Brands and media companies want to compare their customer lists without giving each other the lists. A clean room is a shared system where both sides can match and count customers but neither can see the other's records.

Companies: ingrid's company map. Hiring signals: postings feed of 5 Nov 2026.