Top 100 SEO Companies in Illinois

Rankings.io is a legal SEO company located in O'Fallon, Ill. It was founded in 2013 and now has a team of nearly 20 that exclusively provides SEO services to clients. 

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, they help B2B and B2C companies of all sizes generate sales leads and e-commerce revenue in the lucrative but highly competitive online marketing space. They offer a collaborative business style, technical expertise, deep experience in multiple verticals, team-based campaign execution, transparent reporting, and an unwavering focus on maximizing their clients' ROI.

Digital Authority is a digital marketing agency. Established in 2016, the company is headquartered in Chicago, Illinois. Their services include SEO, PPC, Web Design, and Digital Marketing.

Comrade Digital Marketing is a Chicago-based full service digital marketing agency with a staff of 20. Since 2008, Comrade Digital Marketing Agency has assisted clients with SEO, web design, and e-commerce development.

Small SEO agency RivalMind, is headquartered in St. Charles, Illinois. Established in 2012, the team focuses on search engine optimization, web development, pay per click, and social media marketing.

Emod Marketing, a SEO agency and web design agency, was launched in 2018. The company focuses on search engine optimization and web design and has a small team.

Dabaran is a Chicago-based digital marketing agency founded in 2009 and with over 10 employees. They mainly focus on providing SEO, including content development, link building, local search, and on-site optimization.

Blue Tree is a digital agency in Buffalo, Wyo. Founded in 2017, they have about 4 employees that serve clients in a wide range of industries. Services include SEO, marketing strategy, and public relations.

Ava Digital Agency is a small SEO agency. Established in 2019, the company is in Glen Ellyn, Illinois. Their services include search engine optimization, social media marketing, pay per click, web development, and more.

Founded in 2006, OneIMS is a results-driven digital marketing firm in Chicago. Its team of more than 30 manages the inbound marketing process for its clients, with special emphasis on SEO, PPC, digital strategy, conversion optimization, and content marketing. 

More Local Clients, LLC. Is a Mundelein, Illinois-based SEO company. The small team provides search engine optimization, web development, marketing strategy, digital strategy, and more and was launched in 2021.

Located in Chicago, Ill., Marcel Digital is a digital marketing and web development agency that has been assisting clients since 2003. Their team of 30 specialize in SEO, web development, and PPC.Marcel Digital's efforts resulted in measurable growth, including increased online orders, contact form submissions, and newsletter signups. 

Digital Third Coast is a leading digital marketing agency based in Chicago. Founded in 2007, they have about 24 employees that serve clients from a wide variety of industries. Services include SEO, paid media, paid social, and digital PR.

1o8 is a digital agency founded in Chicago in 2018. The team of 8 focuses on social media, SEO, and digital strategy for their midmarket consumer products clients. 

Founded in 2016, Chicago-based VisualFizz is a small team of 9. The full-service digital marketing agency helps clients with content marketing, SEO, web design and development, PPC, social media marketing, digital and marketing strategy, and branding.

Headquartered in Chicago, Illinois, Cleartail Marketing is a small email marketing company. They specialize in email marketing, search engine optimization, pay per click, and web development and were founded in 2014.

Galactic Fed is a marketing agency in Chicago. Founded in 2017, they have about 15 employees that serve mostly small-business and midmarket clients in a variety of industries. Services include PPC, SEO, and digital strategy.

CyberOptik, a web design agency, was established in 2002. Their small team is based in Elmhurst, Illinois. The company specializes in web design, web development, and ux/ui design.

JumpFly is a PPC management agency headquartered outside of Chicago in Elgin, IL. JumpFly designs, implements, and manages Google, Microsoft, Facebook, Amazon, and LinkedIn Advertising accounts for small and mid-market businesses. Founded in 1998, JumpFly now has a team of about 40 employees and over two decades of experience in the paid search industry.

Founded in 2001, Walker Sands is a full-service B2B marketing agency dedicated to each client's unique goals.  From their offices in Chicago, San Francisco, Seattle, Boston or Atlanta,  Walker Sands' team of 170+ has various areas of expertise, including SEO, PPC, content marketing, and strategy. They also help clients with public relations, demand generation, branding, creative and marketing strategy.

Flamingo Agency is a digital marketing agency based in Chicago. Founded in 2017, they have a small team that provides specialty SEO and web design services to small businesses. Their main services include SEO, website creation and CMS particularly in the hospitality, health and business industries.

Perfect Search Media is a Chicago-based digital marketing agency. They specialize in paid search and social media advertising, SEO, remarketing, display, UX, design, and content. Perfect Search is a results-driven, remote company with teammates on every coast. They build custom strategies for clients across multiple industries, including education, software, associations, retail, and more.
 

Founded in 2006, Logical Media Group is a full-service digital marketing agency crafting digital experiences for people and companies to transact, connect, and explore. The Chicago-based team, whose original core competency was in generating qualified website traffic through search engine marketing, with a specialization in PPC and SEO, now has specific teams tailored towards other online channels such as Amazon Advertising, social media marketing, email marketing, display advertising, and conversion rate optimization.

Zealth Digital Marketing is a digital marketing agency based in Roselle, Ill. Founded in 2012, they have 4 employees that serve small businesses in the financial services, education, and healthcare industries. Services include web design and development, SEO, and social media marketing.

Solid Digital is a web design, development, and marketing company with offices in Portland, Ore. and Chicago. With about 30 team members, the agency has expertise in web design, branding, and custom development.

Located in Arlington Heights, Illinois, Flair Interactive is a website development company. The agency specializes in web development, search engine optimization, content marketing, and digital strategy and is small.The agency was founded in 1995.

Founded in 2009, Idea Marketing Group is a web design agency located just outside Chicago in Yorkville, IL. Clients in the education, healthcare, and food industries come to Idea Marketing for their prowess in custom web design and development and online marketing. The team of fewer than 15 employees is skilled in web and mobile design, SEO, UI/UX design, content development, social media, and email marketing.

Digital marketing agency Rise Interactive is headquartered in Chicago. The team of nearly 275 employees specializes in SEO, PPC, social media, email, and content marketing. They were founded in 2004 and mostly work with businesses in the consumer products, healthcare, financial services, and retail industries.

Gulo is a small web design agency founded in 2003. With offices in Chicago, Illinois and Cincinnati, Ohio, the Gulo team primarily helps B2B and DTC companies with web design, content marketing, SEO, and conversion optimization.

Verve Marketing Group is a Chicago-based web design agency, providing creative solutions that make a positive impact on clients in the education, publishing, software, and manufacturing industries since 2008. Although they specialize in web design, the team of 14 is excellent in several other areas, including branding, SEO, digital strategy, print design, and content marketing.