Resolving Coordinate Conflicts for Service Area Businesses

Service area business coordinates are a critical, yet largely invisible, component of how Google determines ranking and visibility for home service providers. Last updated January 2024 via community reports, this technical challenge involves how Google assigns a specific latitude and longitude to a profile that has no public physical address. When two distinct businesses in the same industry appear at the exact same coordinates in Google’s backend, the system often triggers a 'filtering' effect, treating them as duplicates even if they represent separate legal entities.

The mystery of the invisible map marker

For a brick-and-mortar location, the coordinates are tied to a verifiable rooftop or entrance. However, for a service area business (SAB), the data is stored differently. We have observed that when a business owner verifies a profile by providing a home address and then hides that address to operate as an SAB, the backend system often retains the original verification point as the anchor for the business.

Consider a dental practice in Leeds that might share a professional building with other practitioners; their markers are expected to overlap. But for a 12-location HVAC operator or a mobile locksmith, having a marker that shares the exact same six-decimal-point coordinates as a competitor can be catastrophic. According to discussions on Reddit's Google My Business community, this occurs most frequently when multiple businesses verify their profiles using the same shared office space or residential cluster before switching to SAB mode.

Why does Google assign identical coordinates to SABs?

Google requires a physical point of origin to calculate proximity, even for businesses that travel to their customers. If an operator sets their service area by city name rather than specific zip codes, Google typically assigns the profile to a default centroid—a mathematical center point of that geographic area.

If two plumbers in the same town both select "Springfield" as their only service area, they may both be assigned the exact same centroid coordinates. Before the recent tightening of proximity filters, this was rarely an issue. Now, we see Google’s algorithm prioritizing one 'best' result at a specific coordinate and hiding others to prevent search result clutter. This is distinct from how the platform handled SABs five years ago, where broad service areas were treated with more leniency regarding overlapping footprints.

Using service area adjustments to prevent filtering

To differentiate a profile from competitors who may be anchored to the same geographic centroid, operators should avoid using broad city-level designations. Instead, we recommend a more granular approach to defining service boundaries. By selecting a unique combination of postal codes or specific neighborhoods, you force the backend to recalculate the weighted center of your service area.

For example, if two carpet cleaning businesses are both centered on the same downtown coordinate, one should adjust their profile to include specific outlying suburbs while removing others. This shifts the 'hidden' anchor point away from the competitor, reducing the likelihood of being filtered out of the Local Pack. We have found that even minor adjustments to the list of served zip codes can trigger a re-indexing of the business's relative position on the invisible map.

What this means for local businesses

For operators managing multiple brands or agencies handling several clients in the same niche, managing service area business coordinates is no longer optional.

1. Audit your verification addresses: If you verified multiple profiles using the same residential block or co-working space, you are at high risk for coordinate conflict.
2. Shift to zip codes over cities: Move away from broad city-wide service area settings. Use a unique set of zip codes that reflects your actual travel patterns but avoids perfect overlap with known competitors.
3. Monitor the 'nearby' filter: Search for your primary keywords. If your business only appears when you zoom in significantly or click 'Search this area,' you are likely being filtered due to a coordinate conflict with a nearby dominant profile.
4. Update one variable at a time: When adjusting service areas to fix filtering, wait at least 72 hours between changes to allow the local index to update before checking results.

Sources

• Reddit: Two separate service-area GBPs have identical coordinates