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326 Best SEO Companies in Illinois, USA

Looking for Illinois SEO Services in September 2025?

326 Best SEO Companies in Illinois, USA
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Green T Marketing
1600 Mountain Street, Aurora, IL 60505
(no reviews)
Claim This Business Claim this business Founded 18.7 years ago Revenue $1.2 Million
Elevate Your Business
Are you tired of the snail speed of getting customers to your business? Then, it is time to put in the magic that will turn around this problem. Green T Marketing is a digital marketing organization that will help you elevate the leads and revenue of your business through web and internet marketing tools. They are based in Aurora and offer a number of awesome services such as Website Design, Graphics Design, Digital Marketing Services, PPC, SEO, Printing services, and a lot more.
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Comrade Web Agency
770 N Halsted Street, Ste 106, Chicago, IL 60642
(no reviews)
Claim This Business Claim this business Founded 18.7 years ago Hourly Rate $100 / hour Revenue $14.3 Million Starts at $10,000
Hire Comrade. Get More Clients. Grow Your Business.
Comrade Web Agency is an SEO company based in Chicago, that helps create great content and compelling website designs that will help you to grow your business. They have worked with several industries such as Ecommerce, Law firms, Manufacturing, and small businesses. Whatever your marketing goals may be, Comrade Web Agency is happy to support you in achieving them through their services such as Search Engine Optimization, Mobile App creation, Logo Design, UX Design, Custom Websites, and much more.
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The Ocean Agency
445 W Erie Street, Ste 208, Chicago, IL 60654
(no reviews)
Claim This Business Claim this business Founded 22.7 years ago Hourly Rate $100 / hour Revenue $4.9 Million Starts at $5,000
An Seo Campaign Is A Marathon, Not A Sprint.
The Ocean Agency designs clean and simple sites that convert a web visitor to a customer. The company keeps the design process simple. The Ocean Agency is a strategic partner because they try to identify opportunities for your products and brands from a unique perspective. Besides their thoughtful suggestions, they focus more on achieving the client's business objectives. The company's email never closes which is why you need to drop them a message at sales@theoceanagency.

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Slim Marty
7110 W Higgins Ave, Chicago, IL 60656
(no reviews)
Claim This Business Claim this business Founded 10.7 years ago Revenue $4.6 Million
We Do It Right Even When No One Is Watching
Slim Marty have a combined experience of 10 years developing and deploying internet strategy. The Chicago, IL-based company offers services ranging from mobile, affiliate, and email marketing. Slim Marty makes SEO an integral part of the design of sites which not only fits on the desktops but also tablets and mobile devices. Slim Marty guarantees the results, not empty promises. Call 708-761-6111 today for Slim to help you generate the right keywords and make an intelligent SEO decision.
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Marcel Digital
445 W Erie St, Suite 200, Chicago, IL 60654
(no reviews)
Claim This Business Claim this business Founded 22.7 years ago Hourly Rate $200 / hour Starts at $1,000
We're Marcel Digtial, A Digital Marketing & Web Development Agency
Marcel Digital is a well-established digital agency founded in Chicago in 2003. The firm brings transparency to online solutions in Chicago. As a Google Analytics Partner, Marcel Digital is in a position to understand the newest technologies and strategies Google employs. Clients include BETHEL and RUSH Universities. If you already have traffic, Marcel Digital will use CRO and convert the traffic to create more value for your brand.
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Flamingo Agency
3752 N Southport Ave, Chicago, IL 60613
(no reviews)
Claim This Business Claim this business Founded 8.7 years ago Hourly Rate $50 / hour Starts at $1,000
SEO & Web Agency Focused On Results
If you are focused on getting results with your marketing budgets, then your go-to SEO agency should be Flamingo Agency. Flamingo Agency is an awesome and 5-star Chicago-based company that is focused on providing top-notch services in Web Design and Search Engine Optimization. Their work usually translates into helping your company recieve more traffic to your website, get more leads and calls, and eventually converting them all into revenue. Other services include Web Development and Pay Per Click Ads.
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Search Lab
1801 W Belle Plaine Ave, Chicago, IL 60613
(no reviews)
Claim This Business Claim this business Founded 10.7 years ago Hourly Rate $150 / hour Revenue $2 Million Starts at $5,000
Providing Digital Marketing Solutions
Search Lab is an experienced SEO firm based in Chicago. Search Lab has created awesome results for many organizations. They have been ranked as one of the top 25 marketing agencies in the region. Their services help businesses have a strong footing in building a reputable digital footprint and attracting the clients that matter. Their team has expertise ranging from Search Engine Marketing, to Search Engine Optimization,Pay per Click Ads, Web Design and Development, and more.
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Brian Houdek Web Design
1235 Amaranth Dr, Naperville, IL 60564
(no reviews)
Help Customers Find Your Website With SEO
Designing a website for you isn't a big deal. Making the website become something like a sales machine is more important and a bit tasking. With Brain Houdek Web Design by your side and as your partner in business, you will be able to get web designs from them that will earn your business revenue and will ensure profitability for you as soon as possible. Brain Houdek Web Design is based in Naperville and their services include: Search Engine Optimization, Graphics Design, Advertising, Social Media Marketing, Website Analysis, and much more.
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Evolution Digital Marketing Agency
4249 E State, Ste 302, Rockford, IL 61108
(no reviews)
Claim This Business Claim this business Founded 26.7 years ago Revenue $7.4 Million
New Traffic To Your Site Made Up Of Pre-Qualified Customers
Do you want your website to sparkle and be seamless to explore? Do you want to build your brand into a full agency and grow steadily? You need to have a word with Evolution Digital Marketing. They are a Rockford-based digital marketing agency that know how to give you results that are far above average. They have a rich depth of knowledge and have successfully delivered marketing campaigns through their services such as: Website Design and Development, Targeted Advertising, Web Design, Social Media Marketing, and more. The team at Evolution Digital Marketing will take time to listen and learn about your business to plan and launch the best campaign.
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Astute Web Group
6740 Newburg Road, Rockford, IL 61108
(no reviews)
Claim This Business Claim this business Founded 24.7 years ago Revenue $11 Million
Think Better Web Design
Every client is special and peculiar, with Astute Web Group. For the past 18 years, they have been offering cutting-edge and customized digital marketing services to several organizations. No matter your industry, Rockford-based Astute Web Group believe that you know more about it than them. So, they listen to you and your marketing goals, then map out the best strategy to make it happen. Some of their services include: App Development, Graphic & Print Design, Multimedia, Search Engine Optimization, Social Media Marketing, Web Hosting and Web Page Design.
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Modern Marketing Partners
1220 Iroquois Ave, Ste 220, Naperville, IL 60563
(no reviews)
Claim This Business Claim this business Founded 14.7 years ago Revenue $5.4 Million
Get To Know Us Better!
For the past 25 years, Modern Marketing Partners has been creating the best digital marketing solutions for small, medium, and large-size businesses. They are based in Naperville and their services include: Web Design, Website Analysis, Content Marketing to engage your potential audience, Advertising to change perception, awareness, and to drive sales, Search Engine Optimization to get your website to rank high on search engines, Branding, and a lot more. They share topical insights about marketing and growing businesses on their blog section.
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KMK Media Group
716 North Church Street, Rockford, IL 61103
(no reviews)
Claim This Business Claim this business Founded 27.7 years ago Revenue $1.3 Million
Help your business move forward and succeed.
KMK Media Group is a digital media agency based in Rockford. They know that the power of media can't be underestimated and they are working to make sure that your business gets it right, in ways that it will generate traffic for your website, cause you to get leads, and eventually turn those leads into revenue. KMK Media Group has a variety of services that include all the following: Website Development, Graphic Design, Branding, Public Relations, Social Media, TV/Video Production, Strategic Marketing, Drone Services, SEO, Event Planning, and Media Buying.
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KitelyTech
1165 N. Clark St., 7th Floor, Chicago, IL 60656
(no reviews)
Claim This Business Claim this business Founded 16.7 years ago Revenue $13.1 Million Starts at $10,000
KitelyTech Launches Technology To Improve and Implement New Automation Solutions
Do you want to build a brand that's consumer-facing and operational? Collaborate with KitelyTech. The firm positions itself to set your business up for success. The technology firm is a trendsetter in mobile apps, web design, custom software, and branding. Named as one of the Top PPC Agencies, Top SEO Agencies, Top Marketing Agencies, and Top UX Agencies in 2018, the firm has become a powerhouse in online business.

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Clever Web Design
1001 Timber Springs Ct, Ste 201, Joliet, IL 60432
(no reviews)
Claim This Business Claim this business Founded 15.7 years ago
We've Been Helping the People Behind Chicago's Best Companies Five Years Running
Do you have some offline products and services that you would like to start selling online? Do you have an idea that you have been thinking of creating a mobile application for? Do you have a website for your business but it hasn't not been performing so well? Now is the time to reach out to Clever Web Design. They are a Web Design and IT solution company, located in Joliet. They have a variety of solutions for you in the areas of creating sparkling and Responsive Websites, Email Marketing, Optimization, and other digital marketing services.
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Cain & Company
685 Featherstone Road, Rockford, IL 61107
(no reviews)
Claim This Business Claim this business Founded 52.7 years ago Rate $10.9 Million
Growing Businesses Need Smart Marketing
Do you run a B2B model of business? Have you been thinking of ways to use digital marketing tools to grow your business and differentiate yourself from your competitors? Cain and Company can help you do just that. They create the best of marketing on a variety of platforms such as Digital, Television, Radio, Outdoor, or Print to help you get the word out. Apart from their development and creative services, they have more marketing services such as PPC Advertising, Geofencing, Digital Ad Retargeting, and more.
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Trekk
2990 N. Perryville Rd, #1200, Rockford, IL 61107
(no reviews)
Claim This Business Claim this business Founded 30.7 years ago Revenue $2.6 Million
Problems are identified by the curious and solved by the courageous.
Trekk is a digital marketing agency that is tech-driven and has courageously provided various digital solutions through their awesome process of Discovery; learning about your business and objectives. Design; coming up with a digital strategy that aligns with your brand and goals. Build; create your website, make your video, publish your contents or create an app. Finally Evaluate; measuring progress and marking optimization opportunities. Their team is based in Rockford and they can work with you from any location no matter your industry.
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SEO Fuel Marketing
729, West Waveland Avenue, Chicago, IL 60613
(no reviews)
Marketing Agency with Focus on SEO from Chicago, IL
SEO Fuel Marketing is a Chicago SEO company focused on driving online exposure through robust SEO strategy, audits and implementation.
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SEO Windy City
12172, Illinois 47, Huntley, IL 60142
(no reviews)
Marketing Agency with Focus on SEO from Huntley, IL
We create measurable digital marketing campaigns that help businesses like yours generate more leads and greater profit from your website. SEO Windy City is a digital marketing agency offering pay-per-click (PPC) marketing, search engine optimization (SEO), and responsive web design.
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SEO Design Chicago
2068, North Western Avenue, Chicago, IL 60647
(no reviews)
Marketing Agency with Focus on SEO from Chicago, IL
Number 1 in SEO! SEO Design Chicago will improve your search rankings. We are experts in Web Development and Digital Marketing.
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Kyle Eggleston SEO Consultant
420, East Ohio Street, Chicago, IL 60610
(no reviews)
Marketing Agency with Focus on SEO from Chicago, IL
Expert Chicago SEO Consultant offering local, content and technical SEO consulting services to Small, Medium & Enterprise businesses in Chicago.
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Dabaran
332, South Michigan Avenue, Chicago, IL 60604
(no reviews)
Marketing Agency with Focus on SEO from Chicago, IL
Looking to soar above your competition? Our Chicago SEO Optimization firm is here to skyrocket your online visibility with its unparalleled SEO marketing expertise tailored specifically for the Windy City.
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seoClarity
Buffalo Grove, IL 60089
(no reviews)
Marketing Agency with Focus on SEO from Buffalo Grove, IL
Scale your SEO and content with seoClarity's AI-driven search insights and content optimization platform to connect with your customers after every stage of their customer journey.
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CamRojud LLC
111, West Polk Street, Chicago, IL 60605
(no reviews)
Marketing Agency with Focus on SEO from Chicago, IL
We are a talented digital marketing agency that specializes in Search Engine Optimization. CamRojud provides a wide range of SEO services, from on-site audits to content creation, paid search marketing, blogging outreach, and link-building strategies.
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WPrime agency
222, West Merchandise Mart Plaza, Chicago, IL 60654
(no reviews)
Marketing Agency with Focus on SEO from Chicago, IL
WPrime Agency is an SEO-focused digital marketing, web design, and development company. We create custom designs with high conversion rates and do SEO with excellent ROI
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Simple SEO Group
1400, Patriot Boulevard, Glenview, IL 60025
(no reviews)
Marketing Agency with Focus on SEO from Glenview, IL
Boost your online presence with top-notch SEO services from Simple SEO Group. Drive traffic, increase rankings, and grow your business. Contact us today!
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Disclaimer: The listing and positions of the entities are an editorial selection, and are not necessarily based on the success, quality, size or any other preferences of the listed entities. The list does not claim to be complete. OnBaze has the right to modify and remove the listed entities at any time, including their positions. Furthermore, neither OnBaze nor the entities (companies/agencies/individuals etc.) listed guarantee or claim that any of the provided data is complete, up-to-date or free of errors. Our Terms & Conditions apply.

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Green T Marketing

Green T Marketing

Elevate Your Business
1600 Mountain Street, Aurora, IL 60505 (no reviews)
Comrade Web Agency

Comrade Web Agency

Hire Comrade. Get More Clients. Grow Your Business.
770 N Halsted Street, Ste 106, Chicago, IL 60642 (no reviews)
The Ocean Agency

The Ocean Agency

An Seo Campaign Is A Marathon, Not A Sprint.
445 W Erie Street, Ste 208, Chicago, IL 60654 (no reviews)
Slim Marty

Slim Marty

We Do It Right Even When No One Is Watching
7110 W Higgins Ave, Chicago, IL 60656 (no reviews)
Marcel Digtial

Marcel Digital

We're Marcel Digtial, A Digital Marketing & Web Development Agency
445 W Erie St, Suite 200, Chicago, IL 60654 (no reviews)
Flamingo Agency

Flamingo Agency

SEO & Web Agency Focused On Results
3752 N Southport Ave, Chicago, IL 60613 (no reviews)
Search Lab

Search Lab

Providing Digital Marketing Solutions
1801 W Belle Plaine Ave, Chicago, IL 60613 (no reviews)
Brian Houdek Web Design

Brian Houdek Web Design

Help Customers Find Your Website With SEO
1235 Amaranth Dr, Naperville, IL 60564 (no reviews)
Evolution Digital Marketing Agency

Evolution Digital Marketing Agency

New Traffic To Your Site Made Up Of Pre-Qualified Customers
4249 E State, Ste 302, Rockford, IL 61108 (no reviews)
Astute Web Group

Astute Web Group

Think Better Web Design
6740 Newburg Road, Rockford, IL 61108 (no reviews)
Modern Marketing Partners

Modern Marketing Partners

Get To Know Us Better!
1220 Iroquois Ave, Ste 220, Naperville, IL 60563 (no reviews)
Building

KMK Media Group

Help your business move forward and succeed.
716 North Church Street, Rockford, IL 61103 (no reviews)
KitelyTech

KitelyTech

KitelyTech Launches Technology To Improve and Implement New Automation Solutions
1165 N. Clark St., 7th Floor, Chicago, IL 60656 (no reviews)
Clever Web Design

Clever Web Design

We've Been Helping the People Behind Chicago's Best Companies Five Years Running
1001 Timber Springs Ct, Ste 201, Joliet, IL 60432 (no reviews)
Cain & Company

Cain & Company

Growing Businesses Need Smart Marketing
685 Featherstone Road, Rockford, IL 61107 (no reviews)
Trekk

Trekk

Problems are identified by the curious and solved by the courageous.
2990 N. Perryville Rd, #1200, Rockford, IL 61107 (no reviews)
SEO Company

SEO Fuel Marketing

Marketing Agency with Focus on SEO from Chicago, IL
729, West Waveland Avenue, Chicago, IL 60613 (no reviews)
SEO Company

SEO Windy City

Marketing Agency with Focus on SEO from Huntley, IL
12172, Illinois 47, Huntley, IL 60142 (no reviews)
SEO Company

SEO Design Chicago

Marketing Agency with Focus on SEO from Chicago, IL
2068, North Western Avenue, Chicago, IL 60647 (no reviews)
SEO Company

Kyle Eggleston SEO Consultant

Marketing Agency with Focus on SEO from Chicago, IL
420, East Ohio Street, Chicago, IL 60610 (no reviews)
SEO Company

Dabaran

Marketing Agency with Focus on SEO from Chicago, IL
332, South Michigan Avenue, Chicago, IL 60604 (no reviews)
SEO Company

seoClarity

Marketing Agency with Focus on SEO from Buffalo Grove, IL
Buffalo Grove, IL 60089 (no reviews)
SEO Company

CamRojud LLC

Marketing Agency with Focus on SEO from Chicago, IL
111, West Polk Street, Chicago, IL 60605 (no reviews)
SEO Company

WPrime agency

Marketing Agency with Focus on SEO from Chicago, IL
222, West Merchandise Mart Plaza, Chicago, IL 60654 (no reviews)
SEO Company

Simple SEO Group

Marketing Agency with Focus on SEO from Glenview, IL
1400, Patriot Boulevard, Glenview, IL 60025 (no reviews)