Reference

Limits

LimitValue
API requests120 a minute per key.
Searches running at once3 per source.
Searches per hour20 per source.
Searches per day100 per source.
Google MapsUp to 500 results per keyword (Google Maps usually shows about 120 per search).
YelpUp to 20 terms × 20 locations (100 searches), 240 businesses each.
TrustpilotUp to 20 categories, 20 keywords and 50 links; 1,000 businesses each, 5,000 per search.
TrustMRRUp to 5,000 startups per search.
SkoolUp to 5 communities and 20,000 members per search.

For more Google Maps results in one area, split it into smaller locations (neighbourhoods or nearby towns) and run a search for each.

Limits — GetClient Docs