AGENCY LIST

SEO Agencies in Houston

78 SEO agencies are listed in Houston, Texas. 7 have been assessed on the Agency List Score as of September 2026; the highest-ranked is Fair Marketing at 94.5.

Ranked · 6 of 7 assessed

Ordered by Agency List Score
#1 of 7 assessed
Fair Marketing
95
Verified

SEO, PPC, and Social Media for Revenue Growth

Landing PagesReputation ManagementSearch Engine Optimization
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#2 of 7 assessed
EWR Digital
93
Verified

AI-powered marketing for energy and industrial sectors

Ads ManagementContent MarketingLanding Pages
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#3 of 7 assessed
Convexinteractive
92
Verified

Analytics and email services for inbound lead capture and search visibility

Marketing AutomationSearch Engine OptimizationSocial Media Management (SMM)
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#4 of 7 assessed
Illumination Marketing
91
Verified

Houston SEO and Custom Web Design Experts

Content MarketingConversion Rate OptimizationEmail Marketing
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#5 of 7 assessed
Actual SEO Media
72
Verified

SEO and search services for inbound lead capture and search visibility

Content MarketingConversion Rate OptimizationLanding Pages
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#6 of 7 assessed
Xtreme Design House
53
Verified

Enhances brand impact through digital marketing and web development

Search Engine OptimizationSocial Media Management (SMM)
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Also in Houston · 72 not ranked here

71 have not yet been assessed on the Agency List Score. Alphabetical.
Abel Design GroupView profile →Agilis Tech LabsView profile →Alpha Co. Marketing & MediaView profile →AngelseoservicesView profile →Archē SolutionsView profile →Arma VitaView profile →Ascenian DigitalView profile →b.iDView profile →Baal & SpotsView profile →Big Bite MarketersView profile →Blue Sky MarketingView profile →BonafideView profile →Brand TackleView profile →Brandhaüs StudioView profile →Bullpen MarketingView profile →CI Web GroupView profile →ClarityqstView profile →Client BridgeView profile →ConnexionresearchView profile →ControlF5View profile →Corporate BrandingView profile →Crocodile DigitalView profile →CYBERSPACE LABORATORIES™View profile →Design At WorkView profile →

About this ranking

What this page ranks

This page ranks 6 of the 7 assessed SEO agencies in Houston, Texas — the ones carrying a published score — out of 78 listed.

The score measures how well an agency documents its own work in public — named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than described as the client's own results. It does not measure client satisfaction, price, or availability.

Cohorts and awards

Agencies are compared within a cohort — here, SEO in Houston, Texas. A cohort must be large enough to express the band being awarded: at least 8 assessed agencies for a top 25% award, 20 for top 10%, 40 for top 5%, and 300 for top 1%. This one holds 7, so no award can be issued here.

The 71 SEO agencies not yet assessed are listed on this page but not ranked.

One more was assessed and no published evidence of its work was found, so no score is shown for it.

Read the full methodology

Paid placement

Partner agencies can buy a labelled placement block above the ranking on this page. It is always marked as paid and is never mixed into the ranked list.

Placement is paid; it does not affect the ranking, cohort membership, or any agency's score. Ranking position, cohort membership and the score itself are not for sale.

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Questions

How many SEO agencies are in Houston, Texas?
78 are listed on Agency List in Houston, Texas. 7 of them have been assessed on the Agency List Score as of September 2026, and 6 of those carry a published score.
Which SEO agency in Houston, Texas is ranked highest?
Fair Marketing, with an Agency List Score of 94.5, ranks #1 of 7 assessed agencies in SEO in Houston, Texas.
Why are 72 SEO agencies listed here but not ranked?
71 of the 78 listed have not yet been assessed on the Agency List Score. One more was assessed and no published evidence of its work was found, so no score is shown for it. They each have a profile and are listed below the ranking, alphabetically, rather than being hidden or mixed into it.
How is the ranking determined?
By Agency List Score, within the SEO in Houston, Texas cohort of 7 assessed agencies. The score is computed from evidence published on each agency's own website: named clients, quantified outcomes, and whether the outcome is attributed to the agency. Paid placement does not affect it.