Top 100 SEO Companies in Pennsylvania
The Best of December 2025Looking for a top SEO firm in Pennsylvania?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Pennsylvania. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Pennsylvania SEO Firms
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$1,000+50 - 249 employeesSan Antonio, TXMidsize SEO company Funnel Boost Media, is headquartered in San Antonio, Texas; Doral, Florida; Boston, Massachusetts and San Francisco, California. They focus on Search Engine Optimization, Advertising, Pay Per Click, and Web Design and were launched in 2012.Read More
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
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1$1,000+250 - 999 employeesHarrisburg, PABased in Harrisburg, Pennsylvania; New York, New York; Philadelphia, Pennsylvania and Washington, District of Columbia, WebFX is a SEO company. The midsize firm was established in 1995. Their team specializes in Search Engine Optimization, Advertising, Social Media Marketing, Content Marketing, and more.Read More
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VerizonIndustries
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2$1,000+2 - 9 employeesPittsburgh, PARead More
Paper Box SEO is a small SEO company in Pittsburgh, Pennsylvania. They focus on Search Engine Optimization and were established in 2015.
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Pac-12Industries
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3$1,000+10 - 49 employeesWest Chester, PARead More
BlueTuskr is a SEO company headquartered in West Chester, Pennsylvania. The small team focuses on Search Engine Optimization, Pay Per Click, Social Media Marketing, Email Marketing, and more. The agency was founded in 2020.
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Canon Styku Onfloor Technologies Team Fan ApparelIndustries
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4Undisclosed250 - 999 employeesHarrisburg, PASEO.com is a SEO company. Located in Harrisburg, Pennsylvania, their midsize team focuses on Search Engine Optimization, Digital Strategy, Content Marketing, Pay Per Click, and more. The agency was launched in 1995.Read More
Clients
DellIndustries
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5$5,000+10 - 49 employeesPittsburgh, PARead More
SEO services firm Direct Online Marketing is located in Pittsburgh, Pennsylvania and Wheeling, West Virginia. The small team specializes in Search Engine Optimization, Pay Per Click, Advertising, Social Media Marketing, and more. The agency was founded in 2006.
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Corporate Visions Industry West West Virginia Development Office and more.Industries
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6$25,000+50 - 249 employeesPittsburgh, PARead More
HUEMOR is a midsize Pittsburgh, Pennsylvania-based web design company. Launched in 2011, the team specializes in Web Design, Web Development, UX/UI Design, Search Engine Optimization, and more.
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23andMe Boston Dynamics HITT Construction ShopifyIndustries
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7$1,000+10 - 49 employeesWilkes-Barre, PARead More
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.
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DisneyIndustries
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8$1,000+10 - 49 employeesPhiladelphia, PARead More
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.
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YMCAIndustries
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9$5,000+50 - 249 employeesBlue Bell, PAHeadquartered in Blue Bell, Pennsylvania and Santa Barbara, California, Gen3 Marketing is an Affiliate Marketing company. They specialize in Affiliate Marketing, Other Digital Marketing, and Search Engine Optimization and were launched in 2007.Read More
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Allbirds Aspen Dental Gap GlossierIndustries
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10$10,000+10 - 49 employeesEmmaus, PAAltitude 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.Read More
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11$5,000+50 - 249 employeesPhiladelphia, PARead More
Launched in 2003, DMi Partners is an Affiliate Marketing company. The firm offers Affiliate Marketing, Email Marketing, Search Engine Optimization, E-Commerce Development, and more and has a midsize team.
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Rastelli'sIndustries
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12$1,000+10 - 49 employeesLancaster, PARead 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.
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13$5,000+10 - 49 employeesCheswick, PAHigglo Digital is a SEO agency. The Cheswick, Pennsylvania-based firm was established in 2021. The small team offers Search Engine Optimization, Web Development, and Advertising.Read More
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14$5,000+10 - 49 employeesDoylestown, PARead More
Branding firm Sagefrog Marketing Group was launched in 2002. Their small team is based in Doylestown, Pennsylvania; Princeton, New Jersey; Philadelphia, Pennsylvania and Boston, Massachusetts and offers Branding, Marketing Strategy, Search Engine Optimization, Web Design, and more.
Clients
Nixon MedicalIndustries
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15Undisclosed50 - 249 employeesBerwyn, PAPurplegator is a midsize SEO services firm in Berwyn, Pennsylvania; Des Moines, Iowa and Haleiwa, Hawaii. They focus on Search Engine Optimization, Social Media Marketing, Web Design, Mobile App Development, and more and were established in 1989.Read More
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AldiIndustries
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16$5,000+10 - 49 employeesPhiladelphia, PARead More
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.
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AgamericaIndustries
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17$1,000+10 - 49 employeesPhiladelphia, PASEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
Clients
AmerescoIndustries
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18$25,000+10 - 49 employeesPhiladelphia, PARead More
Eastern Standard is a Philadelphia, Pennsylvania-based web design company. The small team focuses on Web Design, Web Development, Branding, UX/UI Design, and more and was established in 2014.
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19$5,000+2 - 9 employeesWest Chester, PARead More
Bad Rhino Inc. Is a West Chester, Pennsylvania-based Advertising company. The firm specializes in Advertising, Social Media Marketing, Digital Strategy, Email Marketing, and more and is small.The firm was established in 2011.
Clients
Landvest Christie'sIndustries
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20$5,000+2 - 9 employeesKing of Prussia, PARead More
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
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Rutgers UniversityIndustries
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21$1,000+10 - 49 employeesPhiladelphia, PASagapixel is a small Cherry Hill, New Jersey-based SEO agency. Launched in 2017, the team focuses on Search Engine Optimization, Web Design, Content Marketing, and Pay Per Click.Read More
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22$25,000+10 - 49 employeesKing of Prussia, PARead 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.
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Sharp ElectronicsIndustries
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23$25,000+10 - 49 employeesPhiladelphia, PARead More
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.
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Healthwise PharmaciesIndustries
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24$1,000+50 - 249 employeesPhiladelphia, PARead More
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.
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HitachiIndustries
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25$10,000+10 - 49 employeesErie, PARead More
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.
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26$100,000+10 - 49 employeesPhiladelphia, PAFrom the Future is a Philadelphia, Pennsylvania-based Digital Strategy company. They focus on Digital Strategy, Search Engine Optimization, Pay Per Click, Social Media Marketing, and more and were founded in 2011.Read More
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Greystar Las Vegas Raiders UFC SandalsIndustries
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27$1,000+2 - 9 employeesWest Chester, PARead More
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.
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28$1,000+2 - 9 employeesPhiladelphia, PARead 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.
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29$5,000+10 - 49 employeesWyoming, PARead More
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.
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Dropshipper.comIndustries
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30$1,000+10 - 49 employeesEagleville, PAGreenlane Marketing, a SEO services firm, was established in 2005. They are located in Eagleville, Pennsylvania and have a small team. Their services include Search Engine Optimization, Pay Per Click, Social Media Marketing, and Content Marketing.Read More
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Urban OutfittersIndustries
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