About OneLookup
OneLookup is a reverse-lookup service that turns scattered public information into one clear report — from a phone number, an email address, or a photo.
Our mission
Public information should be genuinely accessible.
Official registries, court records, social profiles, and open-source data already exist to inform the public — but most of it is scattered across hundreds of places, inconsistent, and hard to use. We bring it together so you can understand who you're dealing with in seconds, not hours.
What we do
Three ways to look someone up.
Reverse phone lookup
Identify unknown callers and texters from public records and the open web.
Look up →Reverse email lookup
Connect an email address to a real identity and its linked public profiles.
Look up →Reverse photo lookup
Upload a photo to find publicly visible profiles and images that look similar.
Look up →How our data works
Public records, organized for humans.
OneLookup does not own private databases or collect information from your device. We aggregate data from publicly available and licensed sources, then organize it into a single readable report. Information may be incomplete, inaccurate, or out of date — results should support your own judgment, not replace it.
Public & licensed sources
We aggregate from public records and licensed data — we don't own private databases.
Refreshed continuously
Reports are generated on demand, so results reflect what's available now.
Focused on the US
Coverage and accuracy are strongest for people and numbers in the United States.
Your searches stay private
What you look up is yours. We never share your search activity.
Usage restrictions
What OneLookup is not.
- We are not a consumer reporting agency under the Fair Credit Reporting Act (FCRA).
- Our reports must not be used for employment, tenant, credit, insurance, or other eligibility decisions.
- We don't offer real-time location, GPS, device monitoring, or access to private accounts or messages.
- Our services must not be used to stalk, harass, dox, or monitor any person.
Read the full terms of use for the complete list of permitted and prohibited uses.
Who we are
A small, remote-first team.
OneLookup is operated by OneLookup Limited. We're a small, remote-first team of engineers and data specialists building tools that make public information easier to understand — responsibly.