
#1 – Northcutt
Northcutt is a small-sized agency based in Chicago, IL. Northcutt is a Chicago-based SEO agency with a passion for growing ecommerce and cloud service (SaaS, PaaS, IaaS) brands on a national or international stage.
September 2026 — Updated Rankings
This is our independently evaluated list of the best SEO companies in Chicago, ranked by client reviews, service breadth, and track record — updated for September 2026. Browse the top 5 below, or jump to the full comparison table.

Northcutt is a small-sized agency based in Chicago, IL. Northcutt is a Chicago-based SEO agency with a passion for growing ecommerce and cloud service (SaaS, PaaS, IaaS) brands on a national or international stage.

Digital Third Coast is a small-sized agency based in Chicago, IL. DTC is a leading Chicago based digital marketing agency specializing in SEO, Paid Media and Digital PR solutions. Our mission is to make a measurable difference.

BFO (Be Found Online) is a small-sized agency based in Chicago, IL.

Formed in 1997, Straight North is a full-service internet marketing company specializing in SEO, PPC, website design and development, email marketing and graphic design. With 100+ full-time, in house employees, we help B2B and B2C companies of all sizes generate sales leads and e-commerce revenue in the lucrative but highly competitive online marketing space. Our consistently strong results and high client retention rate come from our collaborative business style, technical expertise, deep experience in multiple verticals, team-based campaign execution, transparent reporting and unwavering focus on maximizing client ROI.

NextLeft is a small-sized agency based in San Diego, CA. NextLeft is a #1 SEO Company and Content Marketing Agency in San Diego and Chicago. We Amplify the World’s Most Loved Brands. Find Your NextLeft!
Compare Chicago SEO agencies by size, location, and verified client reviews to find the right fit for your business.
| # | Company | Size | Location | Reviews | Overview |
| 1 | 10 – 49 | Chicago, IL | 0 Reviews | View Profile | |
| 2 | 10 – 49 | Chicago, IL | 0 Reviews | View Profile | |
| 3 | 10 – 49 | Chicago, IL | 0 Reviews | View Profile | |
| 4 | 50 – 249 | Chicago, IL | 0 Reviews | View Profile | |
| 5 | 10 – 49 | San Diego, CA | 0 Reviews | View Profile | |
| 6 | 2 – 9 | Cincinnati, OH | 0 Reviews | View Profile | |
| 7 | 2 – 9 | Vancouver, WA | 0 Reviews | View Profile | |
| 8 | 10 – 49 | Chicago, IL | 0 Reviews | View Profile | |
| 9 | 10 – 49 | Chicago, IL | 0 Reviews | View Profile | |
| 10 | 10 – 49 | Chicago, IL | 0 Reviews | View Profile | |
Want to know exactly how we built this list? See our full ranking methodology below.
We evaluate SEO companies in Chicago the same way we evaluate agencies anywhere: by verified results, not by who pays the most. Here's what we weighed:
No agency pays for placement on this list. See our full ranking methodology for more detail.
A polished pitch isn't proof of results. Use these checks before signing a contract.
Read full client reviews, not just star ratings, and ask for examples of ranking or traffic improvements for businesses similar to yours.
Most SEO work happens remotely, so a Chicago-based office isn't required for good results. If in-person meetings matter to you, ask about their availability; if not, don't rule out agencies outside the area.
Ask exactly what's included — keyword research, content, link building, technical fixes, and reporting cadence — before comparing price.
Most reputable SEO services cost $900 to $3,500 per month depending on scope. Be wary of prices far below that range, and of agencies promising a specific ranking or timeline.
Search results increasingly include AI-generated summaries alongside traditional listings. A capable SEO company should be able to explain how that affects your visibility.
Not as much as it used to be. Most SEO work — keyword research, content, technical fixes, link building — happens remotely, and plenty of the best-reviewed agencies serving Chicago businesses aren't physically based there. Local presence can help if you value in-person strategy sessions or a firm that deeply understands your specific local market, but it isn't a requirement for good results.
Most reputable SEO services cost $900 to $3,500 per month, though pricing varies with company size, project scope, and strategy. Be cautious of quotes far below this range — they're often a sign of thin, templated work rather than real strategy.
As of September 2026, yes — search results increasingly include AI-generated summaries and answers alongside traditional listings. This makes clear, well-structured content and accurate business information more important, not less, since AI systems pull from many of the same signals traditional SEO already targets. Ask any Chicago SEO company you're considering how they're adapting to this shift.
Looking for something broader or more specific? Browse our other SEO rankings.