One of the largest full-service US agencies, WebFX pairs a very deep in-house bench with published, itemised pricing tiers — unusual transparency at this scale.
Independent US directory
Find the best SEO company in your state
52 US SEO companies across 21 states — every one tied to where it actually operates, scored on facts you can verify, never on who pays us.
Highest-scoring companies right now
Ranked by Hub Score: tenure, service breadth, vertical depth, pricing transparency and delivery scale.
A long-established Colorado agency with a large in-house team and its own analysis tooling for content and technical audits.
A hospitality-heavy digital firm with its own CMS and schema platform, strong on structured data at multi-location scale.
A data-heavy consultancy with a strong analytics engineering culture — big-query pipelines, custom dashboards and a public knowledge-sharing habit.
A large independent challenger agency where SEO sits inside a full-funnel media practice with shared incrementality measurement.
An Iowa-founded full-service agency that grew nationally while keeping web development and SEO tightly coupled.
SEO companies by state
Every listing lives under /us/ and belongs to one state, so you only see agencies genuinely based near you.