State ranking
Four agencies headquartered in Chicago and the North Shore, suited to national brands, local businesses, home services contractors and analytics-driven marketers.
Chicago is one of the largest agency markets in the country, and Illinois businesses range from global corporations and manufacturers to dense networks of local service companies across Chicagoland.
The four agencies below are headquartered in the Chicago area and each suits a different buyer. If you sell nationally, also compare our national SEO agencies.
These criteria apply our general ranking methodology to this category and market.
| Provider | Best for | Focus | Based in |
|---|---|---|---|
| Digital Third Coast | Mid-size and national brands wanting SEO with digital PR | SEO, Digital PR, Content | Chicago, IL |
| SearchLab Digital | Local and multi-location businesses | Local SEO, Google Business Profile, Reviews | Glenview, IL |
| Comrade Digital Marketing Agency | Home services contractors | SEO, Local SEO, PPC | Chicago, IL |
| Be Found Online | B2B and consumer brands wanting analytics-backed SEO | SEO, AI search, Paid media | Chicago, IL |
Listed by buyer fit, not in order of quality.
Best for Mid-size and national brands wanting SEO with digital PR
Digital Third Coast, based in Chicago since 2007, specializes in SEO and paid media and adds digital PR, content and AI visibility, with six-month initial agreements that then go month-to-month.
Best for Local and multi-location businesses
Glenview-based SearchLab Digital is a dedicated local SEO and PPC agency covering Google Business Profile, reviews, citations and local content.
Best for Home services contractors
Comrade, headquartered on South Michigan Avenue and led by its founder, focuses on SEO and local SEO for roofing, HVAC, plumbing and other contractors, and publishes pricing pages.
Best for B2B and consumer brands wanting analytics-backed SEO
Be Found Online, on North Halsted Street, lists SEO first and pairs it with AI search optimization, paid media and deep analytics and tracking.
Local SEO only. See our local SEO buyer’s guide.
National agencies. Compare our national list.
A Chicago-area agency helps if you rely on local customers or want in-person meetings. For national search, experience in your industry matters more than location.
We looked for Illinois-headquartered agencies that list SEO as a core service and suit different buyers, and verified each one’s details on its own website. They are listed by fit, not ranked.
No. Inclusion is editorial. See our advertising disclosure.
State Ohio
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State Pennsylvania
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State New York
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State Texas
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City Miami, Florida
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