Data studies on US growth agencies
Original research from The Wall's records on 3,460 US marketing, SEO, creative, PR, and growth vendors. Every study includes its methodology and a downloadable CSV, free to cite with attribution.
Most SEO Agencies Barely Show Up in Google Search
The median SEO agency in The Wall gets an estimated 49 organic visits a month from US Google searches, and 64% get fewer than 100. Searching "seo agency" in their own cities, 9% showed up on page one.
90% of Google Reviews for Growth Firms Are Five Stars
Across 25,772 Google reviews of 1,032 growth agencies and vendors, 89.9% are five stars and 57.4% of rated firms sit at exactly 5.0. A star rating barely separates one agency from the next.
Paying More Doesn't Buy Better Reviews: Agency Rates vs. Clutch Ratings
Across 1,192 agencies on Clutch, the mean rating moves 0.07 of a star between the cheapest and most expensive rate bands.
One in Six Agencies on Clutch Won't Say What They Charge
16.3% of 1,517 growth agencies on Clutch mark their hourly rate "Undisclosed." PR and thought-leadership firms hide it most, at 31.7%.
Agencies That Publish Case Studies Draw Nearly 6x the Search Traffic
59.6% of agency websites we read publish case studies. Those agencies have a median of 7 public reviews to 1, and 5.8 times the estimated organic traffic.
45% of Growth Vendors Have No Public Reviews
Of 3,460 US growth-services vendors, 44.8% have no Google or Clutch reviews. The 10% with the most reviews hold 62.3% of all of them.
Agencies Founded Since 2020 Get Almost No Search Traffic
The median agency founded in 2020 or later gets an estimated 6 organic visits a month. Agencies founded from 2000 to 2009 get 98.