seodata.dev

keyword

largest marketing firms

Monthly search volume and cost-per-click data for "largest marketing firms" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=largest+marketing+firms&country=us" +--------------+------------------+ | volume | 480 | | cpc | $6.52 | | competition | 0.22 | | country | US | | updated | 2026-05-27 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
biggest marketing agency 2,900 $16.89 20/20
famous marketing agencies 2,900 $16.91 17/20
top marketing agencies 2,900 $15.82 15/20
top marketing firms 1,900 $25.88 16/20
big marketing firms 480 $6.52 17/20
top marketing companies 480 $29.45 16/20
biggest marketing firms 480 $6.52 15/20
largest marketing company 480 $6.52 14/20
largest marketing agencies 170 $13.63 19/20
major marketing companies 30 $18.32 15/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=largest+marketing+firms&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt