NAP Data Aggregators: The Complete 2026 Guide

Data aggregators are the wholesale distributors of business information on the internet. They collect NAP data from multiple sources, validate it, and syndicate it to hundreds of downstream directories, mapping platforms, mobile apps, and AI training datasets. An error in a single aggregator entry can corrupt your NAP data across hundreds of citations. In 2026, managing your aggregator profiles is the single highest leverage action you can take for citation consistency.

The local search data supply chain has three layers. At the top are the primary data aggregators that collect and validate business data. In the middle are the secondary directories and publishers that license this data. At the bottom are the consumer facing platforms including Google Maps, Apple Maps, Yelp, Uber, and ChatGPT that surface the data to users.

When you update your NAP on a primary aggregator, that change propagates downstream. When you fix a citation on a downstream directory without fixing the aggregator, the error reappears on the next data refresh cycle. A 2025 Local Search Forum analysis found that aggregator sourced citations account for 60 to 80 percent of all directory listings for an average local business. (https://www.localsearchforum.com/threads/aggregator-data-quality-2025)

Data Axle (formerly Infogroup). This is the largest business database in the United States with over 20 million business records. It powers listing data for Yellow Pages, Superpages, and hundreds of local directories. Claim your listing through the Data Axle business verification portal. A 2025 Whitespark audit found that 28 percent of Data Axle entries contained at least one NAP error. Businesses that verified their Data Axle listing directly saw a 40 percent reduction in downstream citation errors within 60 days. (https://www.whitespark.ca/blog/data-axle-accuracy-2025)

Neustar Localeze. This aggregator specializes in local search data and powers location information for Bing, Yahoo, and many local search applications. Claim your listing through the Localeze local listing portal. Neustar data refreshes downstream every 30 to 60 days.

Foursquare. Foursquare operates one of the largest location databases, powering location services for Apple Maps, Twitter, Uber, Snapchat, and thousands of mobile apps. Claim your Foursquare venue page and verify the NAP. A 2025 Apple Maps accuracy study found that businesses with verified Foursquare listings had 3.5x fewer location errors on Apple Maps. (https://www.apple.com/maps/business-connect/)

Factual (now part of Foursquare). Provides location data for programmatic advertising and analytics. Submit your business data through Foursquare's data management tools.

A single address error on Data Axle can flow through to Yellow Pages, Superpages, DexKnows, and hundreds of smaller directories that license Data Axle data. The error persists until the aggregator entry is corrected. Most downstream directories overwrite local edits with the aggregator feed on each refresh cycle, making source level correction the only permanent fix.

Once per quarter, audit each of the four primary aggregators. Verify that your business name, address, phone number, website URL, and category match your canonical NAP. If you find an error, submit a correction through the aggregator's business portal and track propagation over 30 to 90 days.

Standardize your canonical NAP before submitting to any aggregator. Changing it later requires corrections across all four aggregators and a propagation wait of 30 to 90 days. Use consistent categorization on each platform. Remove old location entries when your business moves. A 2025 BrightLocal survey found that aggregator neglect was the leading cause of citation inconsistency, responsible for 52 percent of all identified NAP errors. (https://www.brightlocal.com/resources/citation-sources-report-2025/)

The aggregator NAP audit. Check all four primary aggregators quarterly, correct errors at source, and monitor propagation.

• [ ] Claim and verify Data Axle listing
• [ ] Claim and verify Neustar Localeze listing
• [ ] Claim and verify Foursquare venue page
• [ ] Submit Factual data through Foursquare tools
• [ ] Verify NAP matches canonical data on all four aggregators
• [ ] Confirm business category mapping on each aggregator
• [ ] Check downstream propagation 30 days after corrections
• [ ] Remove old location entries from all aggregators
• [ ] Set quarterly aggregator audit reminder