DataBrokerDB

Pipl

Hard

Pipl is an identity resolution platform that builds comprehensive digital profiles by connecting online and offline data points. Unlike consumer-facing sites, Pipl primarily sells to businesses, investigators, and fraud prevention teams. Claims to have indexed 3+ billion identity profiles globally.

Acxiom

Hard

One of the oldest and largest data brokers in the world. Acxiom maintains data on approximately 2.5 billion consumers globally and processes over 2.5 trillion transactions per year. Acquired by Interpublic Group in 2018 for $2.3 billion. Powers ad targeting, identity resolution, and audience segmentation for the world's largest brands.

Lotame

Medium

Lotame operates one of the world's largest third-party data marketplaces, claiming to have data on 1.6 billion consumers across 100+ countries. Provides audience data, identity resolution, and data enrichment for advertisers. Positioned itself as 'the alternative to walled gardens' like Google and Facebook.

LexisNexis Risk Solutions

Hard

LexisNexis Risk Solutions is the 800-pound gorilla of data brokerage. A division of the $60B RELX conglomerate, it maintains one of the largest private databases of personal information in the world. Used by law enforcement (ICE, FBI, DEA), insurance companies, banks, and employers.

Equifax Marketing Services

Hard

One of the 'Big Three' credit bureaus, Equifax also operates a massive data brokerage business selling consumer segments, identity verification, and marketing data. Maintains data on over 800 million consumers and 88 million businesses worldwide. Infamous for the 2017 breach — one of the largest in history.

Spokeo

Medium

One of the most well-known people search engines, Spokeo aggregates data from over 12 billion public records to build profiles on virtually every American adult. Founded by Stanford grads as a social network aggregator before pivoting to people search.

BeenVerified

Easy

BeenVerified markets itself as a consumer-friendly background check tool. Part of LTVCO (The Lifetime Value Company), which also owns PeopleSmart, NeighborWho, PeopleLooker, Ownerly, and NumberGuru. One of the highest-traffic people search sites in the US.

Dun & Bradstreet

Hard

The oldest data broker still in operation — founded in 1841. D&B maintains the DUNS Number system used globally to identify businesses, and its database covers over 500 million business entities worldwide. Provides business credit reports, sales intelligence, and compliance data. If you've ever been a business owner or executive, D&B has a file on you.

Cognism

Easy

A European B2B data broker with 400 million business profiles, Cognism sells phone-verified mobile numbers and direct dials to sales teams. Claims GDPR compliance while operating one of the largest databases of European business contacts. Growing rapidly as an alternative to ZoomInfo.

MyLife

Hard

MyLife is notorious for its 'Reputation Score' feature, which assigns a public score to people without their consent. Originally launched as Reunion.com, the company rebranded and shifted to people search and reputation profiling.

TruthFinder

Medium

TruthFinder positions itself as a deep-web people search tool, heavily marketed through affiliate programs and online ads. Owned by PeopleConnect alongside Instant Checkmate and Intelius.

Instant Checkmate

Medium

Instant Checkmate is a people search and background check service that emphasizes criminal record searches. Part of the same PeopleConnect family as BeenVerified and TruthFinder, meaning all three share the same underlying data.

Nuwber

Medium

Nuwber is a people search engine with over 300 million profiles and 2.3 million pages indexed by Google. Founded by Dimitri Shelest, who also founded Onerep — a privacy company that charges people to remove them from data brokers, creating a massive conflict of interest.

Oracle Data Cloud

Hard

Oracle built its data brokerage through acquisitions of BlueKai, Datalogix, AddThis, and Grapeshot — assembling one of the largest consumer data platforms in the world. Quietly shuttered its third-party advertising data business in 2024 after GDPR enforcement actions, but still operates identity resolution and B2B intelligence services.

Experian Marketing Services

Hard

Most people know Experian as a credit bureau, but its marketing division is one of the largest data brokers in the world. Experian Marketing Services sells consumer profiles, audience segments, and identity resolution products to advertisers — leveraging the same consumer financial data that powers credit reports.

Whitepages

Hard

One of the oldest people search sites on the internet, Whitepages evolved from a digital phone directory into a full people search platform. Also operates Whitepages Premium and the identity verification API service TenantCheck.

ThatsThem

Easy

ThatsThem stands out by offering reverse IP address and VIN lookups in addition to standard people search. The site is completely free, supported by ads, and provides an unusually easy opt-out process.

ZoomInfo

Medium

The dominant B2B data broker, ZoomInfo maintains profiles on 260+ million professionals and 100+ million companies. Public company (NASDAQ: ZI). Sales teams worldwide use ZoomInfo to find contact info for prospective customers — meaning your work email, phone number, and job details are almost certainly in their database.

Intelius

Medium

One of the original people search companies, Intelius was founded by data industry veteran Naveen Jain. It was acquired by PeopleConnect and now shares its data infrastructure with BeenVerified, TruthFinder, and Instant Checkmate.

TruePeopleSearch

Easy

Another free people search engine competing with FastPeopleSearch. TruePeopleSearch offers free access to names, addresses, phone numbers, and relatives — making it a go-to resource for anyone trying to find personal information.

USSearch

Medium

One of the oldest people search companies in the US, USSearch has been operating since 1994. Now owned by PeopleConnect, it shares data infrastructure with BeenVerified, TruthFinder, and Instant Checkmate.

Epsilon

Hard

One of the world's largest marketing data companies, Epsilon processes billions of consumer transactions annually and manages loyalty programs for major retailers. Acquired by Publicis Groupe in 2019 for $4.4 billion — the largest ad-tech acquisition in history at the time.

LiveRamp

Medium

LiveRamp is the identity resolution backbone of the digital advertising industry. Originally part of Acxiom before being spun off, LiveRamp's technology connects offline consumer data to online identities — making it possible for advertisers to target you across devices, platforms, and the real world. Public company (NYSE: RAMP).

Nielsen

Hard

The 'ratings' company everyone knows from TV — but Nielsen's data operation extends far beyond viewership numbers. Nielsen tracks consumer behavior across television, streaming, digital, retail, and mobile to build comprehensive profiles sold to advertisers and media companies. Taken private in 2022 for $16 billion.

FamilyTreeNow

Easy

Originally positioned as a genealogy tool, FamilyTreeNow went viral in 2017 when people realized it exposed detailed personal information for free — no paywall, no account required. The site made national news and prompted millions of opt-out requests.

FastPeopleSearch

Easy

FastPeopleSearch is a free people search engine that makes money through advertising rather than subscriptions. Because it's completely free with no paywall, it's one of the most-used people search tools by stalkers, harassers, and doxxers.

USPhonebook

Easy

USPhonebook focuses on reverse phone lookups, letting anyone search a phone number and find the associated name and address. Free to use, ad-supported, and one of the top results when someone Googles a phone number.

ZabaSearch

Hard

ZabaSearch is a free people search engine that provides basic information (name, address, phone, DOB) without requiring registration. The site monetizes by upselling premium reports through partner services like Intelius.

Addresses.com

Medium

Addresses.com is a white-label people search site operated by PeopleConnect. It shares the same underlying data as Intelius, BeenVerified, and TruthFinder but presents a simpler, address-focused interface.

PeopleSmart

Medium

PeopleSmart is an LTVCO-owned people search tool that shares its data infrastructure with BeenVerified, PeopleLooker, and NeighborWho. Positions itself as a 'smarter' people search with a slightly more modern interface, but pulls from the same massive data pool.

SearchPeopleFree

Easy

A free, ad-supported people search engine in the same vein as FastPeopleSearch and TruePeopleSearch. Provides basic personal info without requiring payment or account creation.

IDTrue

Medium

IDTrue is a subscription-based people search and background check service. Markets itself as a tool for personal safety — checking dates, new neighbors, and online sellers.

Veromi

Hard

Veromi is a Confi-Chek-operated people search and public records aggregator. Offers deep searches including business affiliations, court records, and criminal history. Part of the same network as PeopleFinders and PublicRecordsNow, sharing data infrastructure across all Confi-Chek brands.

TransUnion Marketing Solutions

Hard

The third of the 'Big Three' credit bureaus, TransUnion also runs a significant data brokerage and marketing analytics division. Through its acquisition of Neustar in 2021 ($3.1 billion), TransUnion expanded into identity resolution, digital analytics, and real-time ad targeting.

Clearbit

Medium

Clearbit is a B2B data enrichment platform that builds profiles on professionals and companies by scraping the web. Acquired by HubSpot in 2023. If you've ever filled out a form on a website and had it auto-complete your company info, that was probably Clearbit.

ATTOM Data Solutions

Hard

ATTOM maintains a national property database covering 155 million US properties with deep ownership, valuation, and risk data. Spun out of RealtyTrac (the foreclosure listing giant). Provides the property data behind many real estate sites, insurance products, and investment analytics platforms.

HireRight

Hard

HireRight is one of the largest enterprise background screening companies in the world, serving Fortune 500 companies and processing background checks in 200+ countries. Went public via SPAC in 2021.

NeighborWho

Medium

NeighborWho is an LTVCO-owned people search site that combines people search with property data, letting users look up who lives at a specific address along with property details, tax records, and neighborhood information. Part of the same network as BeenVerified and PeopleSmart.

PublicRecords360

Hard

PublicRecords360 is a PeopleConnect-operated people search aggregator that compiles court records, criminal records, and personal data into searchable reports. Functions as a secondary funnel site in the PeopleConnect network alongside USSearch and Intelius.

PublicRecordsNow

Hard

PublicRecordsNow is a Confi-Chek-operated site that markets access to public court and criminal records. Part of the same network as PeopleFinders and Veromi, sharing data infrastructure across multiple brands while maintaining separate identities.

Centeda

Medium

Centeda is a newer people search site that aggregates standard public records data. Less well-known than the major players but growing in search visibility.

CoreLogic

Hard

CoreLogic is the dominant provider of property, real estate, and mortgage data in the United States. Maintains the largest property database in the country with records on virtually every US property. Taken private in 2021 for $6 billion. If you own a home, CoreLogic knows everything about it.

Foursquare

Hard

Originally a consumer check-in app, Foursquare pivoted to become one of the largest location data brokers in the world. Through acquisitions of Factual and Placed, Foursquare now powers location intelligence for Apple, Uber, Twitter, Snapchat, and thousands of advertisers. If you've ever shared location with an app, Foursquare probably has your movement data.

Demandbase

Medium

Demandbase is an account-based marketing (ABM) platform that identifies which companies are visiting a website and what they're researching — even without form fills. Through acquisitions of InsideView, DemandMatrix, and Engagio, Demandbase has built a comprehensive B2B surveillance platform used by enterprise sales teams.

Checkr

Medium

Checkr is the largest modern background check company, used by Uber, Lyft, DoorDash, Instacart, and thousands of other gig economy and tech companies. Valued at $5 billion at its peak in 2022, Checkr processes millions of background checks annually.

Sterling Check

Hard

Sterling is one of the largest background screening companies globally, processing millions of checks annually for enterprise clients across healthcare, financial services, and staffing. Went public in 2021.

GoodHire

Medium

GoodHire is Checkr's small-business-focused background check brand. While Checkr targets enterprise and gig economy, GoodHire serves SMBs with a simpler interface and lower volume pricing.

Gravy Analytics

Hard

Gravy Analytics is a location data broker that tracks where people physically go — stores, restaurants, doctors' offices, political rallies, religious services. Collects billions of location signals daily from mobile apps and sells movement patterns to advertisers, hedge funds, and government agencies.

Bombora

Medium

Bombora tracks what business professionals are researching online — what articles they read, what products they investigate, what topics they explore — and sells this 'intent data' to sales teams. If your company's employees start researching a product category, Bombora flags your company as 'in-market' and alerts competing vendors.

Lusha

Easy

Lusha is a B2B contact data broker that provides salespeople with direct phone numbers and email addresses. Popular as a browser extension that reveals contact info when viewing LinkedIn profiles. Crowdsources much of its data from users who grant access to their contact lists in exchange for free credits.