Do Amazon Agencies Really Improve Sales and ROI?

Good ones do — typically delivering 15–25% improvement in ad efficiency plus organic ranking gains that compound over time. Bad ones deliver dashboards and reports without meaningful optimization, costing you the agency fee plus the opportunity cost of better management. The difference between the two is measurable within 90 days.

Article summary

Good ones do — typically delivering 15–25% improvement in ad efficiency plus organic ranking gains that compound over time. Bad ones deliver dashboards and reports without meaningful optimization, costing you the agency fee plus the opportunity cost of better management. The difference between the two is measurable within 90 days.

The longer answer

Short answer: Good ones do — typically delivering 15–25% improvement in ad efficiency plus organic ranking gains that compound over time. Bad ones deliver dashboards and reports without meaningful optimization, costing you the agency fee plus the opportunity cost of better management. The difference between the two is measurable within 90 days.

What most people get wrong about this

On accounts I've taken over from DIY management or underperforming agencies, typical improvements in the first 90 days include:

What I would actually recommend

- ACOS reduction of 8–15 points through search term harvesting and structural cleanup - Revenue increase of 10–20% at the same ad spend through better keyword targeting - Monthly waste reduction of $1,000–$5,000 through negative keywords alone - Organic ranking improvements on 2–5 hero keywords through sustained velocity

About the author

- Weekly reports that show metrics without commentary - ACOS held steady through conservative bidding (cutting spend on underperforming campaigns rather than fixing them) - No meaningful change in campaign structure after onboarding - Account that looks the same 6 months later as it did on day 1, just with a fee attached