Streamlining Outbound Targeting: Seeking London Employee Data Solutions

Clay’s “Employees by Criteria” often misses a large chunk of London-based staff — when cross-checked with LinkedIn, it’s way off.

People Data Labs only provides UK-wide filtering (not city-specific), and data is often skewed by other office locations.

I use a Clay formula to automatically append ?facetGeoRegion=90009496 to the end of each company’s LinkedIn URL to pull up the “People in London” view.

Then, I run Browserflow to scrape the number of associated members from that LinkedIn view.

I have to export the data from Clay

It runs in the background and needs regular checks

It’s slow and hard to scale across hundreds of companies

Build a more scalable, integrated solution to pull the London headcount directly into Clay

I’m currently exploring Apify to run this within a Clay-connected spreadsheet, but I’m stuck on implementation

I’ve heard Apollo might have this data — has anyone used Apollo for location-specific headcount at a city level?