keyword
Monthly search volume and cost-per-click data for "the big 4" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| big 4 | 14,800 | $8.75 | 20/20 |
| big four | 14,800 | $11.97 | 19/20 |
| big 4 companies | 14,800 | $11.61 | 18/20 |
| big 4 accounting firms | 14,800 | $9.84 | 15/20 |
| big 4 audit firms | 14,800 | $7.87 | 15/20 |
| the big 4 accounting firms | 8,100 | $5.61 | 15/20 |
| what are the big 4 | 5,400 | $15.22 | 18/20 |
| what are big 4 companies | 5,400 | $16.75 | 17/20 |
| the big four | 3,600 | $3.53 | 20/20 |
| the big 4 companies | 3,600 | $0 | 17/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt