Data aggregator

Data aggregators collect business information — name, address, phone, hours, categories — from public sources, government databases, and direct submissions. They then package and license this data to hundreds of downstream consumers: Google, Yelp, Apple Maps, smaller directories, GPS devices, business intelligence platforms, and more.

An aggregator is the middleman in the NAP supply chain. When you update your Google Business Profile, that flows to Google's systems immediately. When you update your listing on a smaller directory that sources from an aggregator, the update might flow back to the aggregator, then wait in its queue before propagating downstream. That delay is why aggregators matter for local SEO.

Foursquare Pinpoint (formerly Localeze, acquired by Foursquare) remains the largest. Pinpoint feeds data to navigation apps, telecom carriers, directory sites, and enterprise business tools. Its data appears in more downstream places than any other aggregator.

Neustar Localeze, now Data Axle, is the second-largest. It sources heavily from public records and licensing deals with municipalities. Data Axle licenses to telcos, directory networks, and business intelligence vendors.

Factual (acquired by Foursquare in 2020) was historically the third major player but is no longer actively maintained as a standalone service. Its data and assets were folded into Foursquare's platform. Many legacy directory partnerships still reference Factual, but new data doesn't flow there.

An aggregator's data is only as good as its sources. When bad data enters an aggregator — a wrong phone number, a misspelled address, an obsolete business name — it propagates to hundreds of downstream directories simultaneously. This is called aggregator pollution.

Once pollution happens, fixing it is harder than preventing it. You must submit corrections directly to the aggregator, not the downstream directories. The aggregator then re-syncs to its partners over weeks or months. If multiple aggregators sourced from each other (common in the industry), the bad data can cross-contaminate multiple networks, spreading the problem faster than fixes can reach it.

The Citation Audit API detects aggregator-sourced data across dozens of downstream directories. When an audit reveals an NAP inconsistency that appears in multiple unrelated directories, it's often traceable to a single aggregator source.

Most agencies now treat aggregators as a priority fix layer. Instead of correcting a NAP issue on five smaller directories individually, the more efficient path is: identify the aggregator source, submit the correction there, and let natural network propagation fix the downstream entries automatically over 4-12 weeks. This shift is why aggregator auditing tools and direct aggregator submission workflows have become central to NAP consistency operations.