Lean Labs is a HubSpot-focused growth agency with a packaged AEO offer: a free baseline score, an AEO Launchpad from $12,000 one-time, and an Authority Build from $5,000 a month for off-site work, about $42,000 over the first six months by the agency's own estimate. SiteSonar is $599 a month self-serve or $1,200 a month managed, with a written baseline and a 90-day guarantee. Choose Lean Labs if backlinks and off-site authority at scale are your main gap and you run on HubSpot. Choose SiteSonar if you want the loop to run weekly on your own site at a fraction of the first-year cost.
Choose Lean Labs for off-site authority at scale and HubSpot expertise. Choose SiteSonar for a weekly on-site loop with a written baseline and guarantee.
Lean Labs starts at $12,000 one-time plus $5,000/mo. SiteSonar is $599/mo self-serve or $1,200/mo managed.
Lean Labs pricing from leanlabs.com/faq/answer-engine-optimization/how-much-do-aeo-services-cost. SiteSonar pricing from sitesonar.ai/pricing. Checked October 8, 2026.