Top 100 Mobile Optimization SEO Companies in the United States

Tinuiti (formerly Elite SEM) is a digital and search marketing agency based in New York and founded in 2004. With over 400 employees, they have additional offices in Philadelphia, Atlanta, Los Angeles, Boston, San Francisco, Fort Lauderdale, Fla., Chattanooga, Tenn., and San Rafael, Calif.  They specialize in conversion optimization, media planning and buying, and SEO. 

SeedX Inc. is an award-winning digital marketing and growth agency headquartered in Los Angeles and Austin. They were founded in 2015, and the team of 45 specializes in omnichannel marketing, paid media, and scalable growth strategy. They primarily focus on e-commerce, technology, and multi-faceted campaigns and growth projects.

ONE18MEDIA is a digital strategy company founded in 2014. They are located in Melville, New York and have a small team. Their services include digital strategy, pay per click, search engine optimization, web design, and more.

Thrive is a design agency founded in 2002 with a team of 2. Based in Seattle, Wash., the agency lends its web design, SEO, and web development expertise to small and midmarket firms alike. Their SEO services focus on local searches, on-site optimization, and reputation management. They specialize in PHP and WordPress.

Silk Software is a full-service digital agency located in Irvine, Calif., and New York, New York. Established in 2007, they currently have about 36 employees who provide e-commerce development, ERP consulting and SI, and PPC services. They specialize in serving clients in the consumer products and services, hospitality and leisure, and IT industries.

Newton, Mass. digital marketing firm inSegment offers a complete range of online advertising solutions for any business seeking to increase web traffic and interaction. With over 60 employees, inSegment is equipped for large-scale, sophisticated projects without sacrificing accessibility. They specialize in creating full-service marketing solutions that combine web design, SEO, content creation, and analytics. inSegment focuses on providing quantifiable results to its clients.

Speak Creative, founded in 1999, is an agency that specializes in web design, digital strategy, mobile app development, and video production services. The company is headquartered in Memphis, Tenn., with an additional office in Nashville, Tenn. Their team of 39 employees  works with small businesses; they also work with some mid-market and enterprise businesses. They focus work with  non-profit, health care & medical, and education industries.
 

Timmermann Group is a marketing agency in St. Louis. Founded in 2003, they have about 30 employees that serve clients in a wide range of industries. Services include web design, social media marketing, and SEO.

Eastern Standard, an user experience design agency, was established in 2014. They are located in Philadelphia, Pennsylvania and Boston, and have a small team. Their services include ux/ui design, branding, digital strategy, web design, and more.

Buzzworthy Studio is a digital studio based in New York. Founded in 2012, the team of 11 specializes in web design, web development and UX/UI design. They work primarily with small business clients.

VELOX Media is an ROI-modeled digital marketing agency based in Boise, Idaho. It was founded in 2004 and now has a team of 20 employees. VELOX Media provides mostly SEO, PPC, digital strategy, conversion optimization, and content marketing services.

The Media Captain is a SEO, web design, and PPC firm based in Columbus, Ohio. Founded in 2010, their team of 35 serves clients in the advertising, arts, and business services sectors. Services include SEO, social media, and digital advertising.

Z'Onion Creative Group is an advertising company. Their small team is based in Bend, Oregon. The firm specializes in advertising, branding, pay per click, search engine optimization, and more. The firm was established in 2013.

Founded in 2015, VEA Technologies is a digital agency based in Arvada, Colo. Their team of six specializes in SEO, web development, digital strategy, and web design for midmarket clients and small businesses. 

YellowFin Digital is a digital marketing company headquartered in Corpus Christi, Texas. The company was founded in 2017, and has a small team of 3 people. The team specializes in web design, PPC, and SEO services. 
 

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.

Located in Scottsdale, Arizona, Elevato Digital is a software development firm. The midsize agency was founded in 1986. Their team provides custom software development, digital strategy, social media marketing, content marketing, and more.

In Manhattan Beach, California, Beardog Digital is a small SEO company. They provide search engine optimization, logo, social media marketing, and web design and were launched in 2023.

Renaissance Marketing Agency and SEO Firm is a SEO company in Lynchburg, Virginia and Richmond, Virginia. They provide search engine optimization, pay per click, advertising, branding, and more and were launched in 2017.

Digitawise is a design and development company that specializes in e-commerce products using WooCommerce, BigCommerce, and 3dcart. Headquartered in Varna, Bulgaria with a satellite campus in Los Angeles, Digitawise has a small team of eight employees. They have worked with mid-market and small businesses since 2016. Services include web design, e-commerce development, SEO, and social media marketing.

Dray Web Services is a SEO services firm. Established in 2018, the team specializes in search engine optimization, pay per click, social media marketing, web design, and more. Their small agency is Vista, California-based.

Digital Current is a digital marketing agency founded in 2003. Digital Current's team of around 40 are based in Mesa, Ariz., and specialize in SEO, conversion optimization, and content marketing.

Bastion Elevate is a marketing firm founded in Newport Beach, Calif. In 2008. With over 10 members, they specialize in PR services and social media marketing solutions for clients ranging from small firms to large enterprises in the fields of advertising, business service, and more.

Unicorn DV, an e-commerce development firm, is headquartered in New York, New York. They offer e-commerce development, search engine optimization, ecommerce marketing, and web development and were launched in 2020.

Based in Denver, Campfire Digital is a marketing company that was founded in 2012. The small team of 5 works with a variety of clients on their digital strategy, web design, SEO, and content marketing.

The Commerce Shop is an E-commerce development firm that was founded in 2010. They are made up of less than 10 employees and are headquartered in Atlanta. The company specializes in E-commerce development, conversion optimization, and digital strategy.
 

BellaVix is a marketing and growth agency based in Cary, N.C. with no more than 10 professionals. They have provided business consulting, PPC, and SEO solutions to various clients since their founding in 2018. They mainly work with clients in the fields of advertising and business services.

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.

Stratedia is a digital marketing agency located in Mystic, Conn. Founded in 2015, they have four employees specializing in website design, SEO, PPC, social media, and content creation. They work with a range of companies primarily in the consumer products, real estate, and retail industries.

SEO Image is a versatile SEO company based in New York. The agency and its small team of around 10 work with clients who need help with SEO, web design, and online reputation management.