keyword

biggest marketing firms

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

$ curl "https://app.seodata.dev/v1/keyword?q=biggest+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
famous marketing agencies	2,900	$16.91	17/20
biggest marketing agency	2,900	$16.89	16/20
top marketing firms	1,900	$25.88	15/20
big marketing firms	480	$6.52	16/20
largest marketing firms	480	$6.52	15/20
biggest marketing firm	480	$20.05	14/20
largest marketing company	480	$6.52	14/20
biggest marketing agencies	210	$6.2	14/20
largest marketing agencies	170	$13.63	19/20
major marketing firms	30	$7.41	13/20

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=biggest+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