Top 100 SEO Companies in Pennsylvania

WebFX is a performance-focused digital marketing agency with services designed to increase qualified leads, phone calls, and transactions for clients. Founded in 1996 and headquartered in Harrisburg, Penn., they have over 250 digital marketing, design, and development experts who serve customers through SEO, PPC, web design, and more. They also have partnerships with Google, Facebook, Bing, Salesforce, and more.

Paper Box is a digital agency based in Pittsburgh, Pa. The agency, founded in 2015, has a team of less than ten that provides SEO services to small and midmarket companies and institutions in various industries.

SEO Locale is a digital marketing agency that was founded in 2015. Based in Philadelphia, PA, SEO Locale's team of about 5 employees specialize in web design, web development, and SEO. The firm also offers social media marketing, PPC, and content marketing services to its clients. 

Pennsylvania-based LSEO is a full-service digital marketing agency, founded in 2014 by internet marketing expert Kristopher Jones. LSEO offers SEO, PPC, and paid social media management. The company’s main focus is SEO, and the team of 30 specializes in onsite optimization, link earning and development, local search, content creation, and mobile optimization.  

Direct Online Marketing is a digital marketing agency based in Pittsburgh. Founded in 2006, they have just over 20 employees and serve a wide range of clients, including local businesses, larger firms, universities, and nonprofits. Their services include SEO, PPC campaigns, social media marketing.

BlueTuskr is a small SEO company. Based in West Chester, Pennsylvania, the firm was founded in 2020. Their team specializes in search engine optimization, digital strategy, email marketing, other digital marketing, and more.

Web Talent Marketing, a SEO company, was established in 2005. The small Lancaster, Pennsylvania-based team provides search engine optimization, pay per click, content marketing, web development, and more.

Purplegator is a marketing and advertising firm that has offices in King of Prussia, Pa., Des Moines, Iowa, and Haleiwa, Hawaii. Founded in 1989, Purplegator's team of 9 employees has nearly three decades of experience specializing in web design and development, and SEO.  Purplegator primarily works with small to mid-market clients from the consumer products, business services, and entertainment industries. 

Altitude Marketing is a digital strategy company launched in 2004. In Emmaus, Pennsylvania, their small team provides digital strategy, web development, branding, graphic design, and more.

Digital marketing agency Arc Intermedia is headquartered right outside Philadelphia. Founded in 2010, Arc Intermedia and its team of about 10 employees helps B2B and B2C clients in the U.S. and UK acquire customers. They not only specialize in SEO but also have experience with PPC, content marketing, web design, and digital strategy.

Firestorm SEM is an SEO and PPC agency located in Philadelphia. Founded in 2008, Firestorm SEM works with clients across industries, including pharmaceutical, e-commerce, financial, and education. Named a Google All Star by Google, Firestorm SEM and its small team of fewer than 10 employees offers SEO, PPC, digital strategy, branding, and social media

1Digital Agency is a digital marketing agency that was founded in 2012. Their head office is located in Philadelphia and they have another office in Quebec, Canada, totaling 28 employees. They are primarily focused on e-commerce solutions, utilizing BigCommerce, Shopify Plus, Magento, CPC, SEO and email marketing to optimize mid-market businesses.

Epic Web Studios, a web design company, was launched in 2009. The agency offers web design, digital strategy, and search engine optimization and has a small team. The agency is located in Erie, Pennsylvania.

Padula Media is a West Chester, Pennsylvania-based social media marketing firm. The small team specializes in social media marketing, search engine optimization, web design, video production, and more. The firm was founded in 2017.

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.

BCC Interactive is a small SEO company. The Philadelphia, Pennsylvania-based agency was founded in 2017. Their team offers search engine optimization, content marketing, and digital strategy.

Sagefrog Marketing Group is a top-ranked, full-service B2B marketing agency with offices in Doylestown (PA), Philadelphia (PA), Princeton (NJ), Boston (MA), and Washington, DC. Founded in 2002, they have about 40 employees with specialties in healthcare, technology, industrial, and business services. Services include branding and strategy, websites and digital, content and inbound, and traditional marketing. Visit Sagefrog.com

DMi Partners is a digital marketing firm in Philadelphia that specializes in digital strategy, media buying and planning, and web development. Founded in 2003, has a team of around 75 employees that mainly work with nonprofit organizations and consumer product/services.  

Founded in 2010 in Philadelphia, NuStream Marketing is an advertising and marketing agency of 8 employees. They also have an office in Allentown, Penn., and their team provides SEO, web design, and video production services to its small and midmarket clients. 

BRAND POWER is a creative digital agency with headquarters in Sligo, Ireland, and another office in Dublin. Founded in 2017, the team of 7 specializes in e-commerce development, web development, UX/UI design, and digital strategy. They primarily service small–midmarket businesses.

Founded in 2013, Shanty Town Design is a digital development agency that offers branding, web design, and graphic design services to their small business, mid-market, and enterprise clients in the marketing and advertising, hospitality, and business services industries. While their HQ is in Denver, Colorado, their fully remote team spans Colorado & Pennsylvania.

Pittsburgh Internet Consulting is an inbound agency that was founded in 2001. Their 10-person team is based in Pittsburg and offers services in digital strategy, SEO, and content marketing.

Creative MMS is a digital marketing agency based in Philadelphia. Founded in 2005, this company has 17 employees. Services provided by Creative MMS include PPC, SEO, and digital strategy for small and midmarket businesses.

JSG, or the Jason Shaffer Group, LLC, is an SEO company based in Harrisburg, Pa. The company, founded in 2012, has a team of less than five that provides SEO, market research, and PPC services to small, midmarket, and larger-sized companies and institutions.

Brolik is a digital marketing agency located in Philadelphia, Pa. Brolik was founded in 2004 and has a team of around 15 employees who specialize in digital strategy, web design, and web development for small and midmarket businesses.

Established in 2017, 1MDE is a SEO agency. They are based in Philadelphia, Pennsylvania and have a midsize team. Their services include search engine optimization, web design, digital strategy, and pay per click.

Gen3 Marketing is the largest affiliate agency in the world and was named 2022 Agency of the Year twice, both by Rakuten and CJ.  The firm has global reach with offices in Pennsylvania, California and the UK.  

Leveraging years of business strategy, relationship management expertise and data-driven capabilities, Gen3 transforms businesses by driving incremental revenue.  Founded in 2007, Gen3 is a pioneer in the industry, being named Agency of the Year 12 times, and boasting the first ever dedicated premium content team.

Sagapixel SEO is a digital marketing and web design agency based in Cherry Hill, N.J., with an office in Philadelphia. The agency, founded in 2009, has a team of more than ten that provides SEO, web design, and PPC services to small companies and other institutions.

Morroni Technologies is a web firm based in Media, Pa. Founded in 2000, Morroni Technologies' team of about 9 employees has nearly two decades of experience in web design, e-commerce, and mobile and WordPress development. The firm mainly works with small and mid-market sized clients. 

Zen Agency is a full-service, creative & strategic, digital marketing agency based in Wyoming, Pa., with an office in Billings, Mont. The agency, founded in 2007, has a team of more than ten that provides web design, e-commerce development, digital strategy, conversion optimization, and SEO services to small and larger-sized companies and organizations in the business services, health care & medical, automotive, and other industries.