Top 100 SEO Companies in Pennsylvania
The Best of October 2026Looking 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$1,000+250 - 999 employeesHarrisburg, PAWebFX is a SEO services firm. Launched in 1995, the midsize firm is located in Harrisburg, Pennsylvania; New York, New York; Philadelphia, Pennsylvania and Washington, District of Columbia. Their services include Search Engine Optimization, Advertising, AI Consulting, Pay Per Click, and more.Read More
Clients
UPMC 40+ CAT Equipment Dealers Spooky Nook Sports Kampgrounds of America (KOA)Industries
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2$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.
Clients
Canon Styku Onfloor Technologies Team Fan ApparelIndustries
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3$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.
Clients
Corporate Visions Industry West West Virginia Development Office and more.Industries
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4$1,000+10 - 49 employeesPhiladelphia, PASagapixel is a small SEO agency. They offer Search Engine Optimization, Pay Per Click, and Web Design and were launched in 2017. The agency is headquartered in Cherry Hill, New Jersey and Philadelphia, Pennsylvania.Read More
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5$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.
Clients
YMCAIndustries
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6$5,000+50 - 249 employeesPhiladelphia, PAAffiliate Marketing company DMi Partners, Inc was established in 2003. The firm offers Affiliate Marketing, Email Marketing, Search Engine Optimization, E-Commerce Development, and more and has a midsize team. The firm is located in Philadelphia, Pennsylvania.Read More
Clients
Rastelli'sIndustries
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7Undisclosed250 - 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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8$5,000+50 - 249 employeesBlue Bell, PAGen3 Marketing, an Affiliate Marketing company, was launched in 2007. The firm focuses on Affiliate Marketing, Search Engine Optimization, Other Digital Marketing, and Social Media Marketing and has a midsize team.Read More
Clients
Allbirds Aspen Dental Gap GlossierIndustries
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9$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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10$10,000+10 - 49 employeesPhiladelphia, PADignitas Digital is a custom software development firm. They are located in Philadelphia, Pennsylvania and Delhi, India and have a small team that provides Custom Software Development, Search Engine Optimization, Mobile App Development, Pay Per Click, and more. The agency was launched in 2012.Read More
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11$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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12$5,000+10 - 49 employeesCheswick, PASEO services firm Higglo Digital was founded in 2021. They are located in Cheswick, Pennsylvania and have a small team. Their services include Search Engine Optimization, Generative AI, Web Development, and Advertising.Read More
Clients
Wanderlust App Web Design Awards BlizzardIndustries
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13$5,000+10 - 49 employeesDoylestown, PASagefrog Marketing Group, a branding agency, is in Doylestown, Pennsylvania; Princeton, New Jersey; Philadelphia, Pennsylvania and Boston, Massachusetts. The small agency was founded in 2002. Their services include Branding, Marketing Strategy, Search Engine Optimization, Web Design, and more.Read More
Clients
Nixon MedicalIndustries
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14$25,000+10 - 49 employeesPittsburgh, PAWeb design agency HUEMOR was established in 2011. They are in Pittsburgh, Pennsylvania and have a small team. HUEMOR specializes in Web Design, Web Development, UX/UI Design, Search Engine Optimization, and more.Read More
Clients
23andMe Boston Dynamics HITT Construction ShopifyIndustries
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15$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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16$5,000+10 - 49 employeesPhiladelphia, PABNP Engage, a web design company, was founded in 2005. The small Philadelphia, Pennsylvania-based team offers Web Design, Web Development, Search Engine Optimization, Content Writing Services, and more.Read More
Clients
AgamericaIndustries
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17Undisclosed50 - 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
Clients
AldiIndustries
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18$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
Clients
Rutgers UniversityIndustries
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19$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.
Clients
DisneyIndustries
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20$250,000+250 - 999 employeesPittsburgh, PALevel Agency is a Pittsburgh, Pennsylvania-based Performance Marketing company. The midsize team specializes in Performance Marketing, Pay Per Click, Search Engine Optimization, Demand Generation Marketing, and more. The company was established in 2010.Read More
Clients
AbacusNextIndustries
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21$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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22$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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23$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.
Clients
Dropshipper.comIndustries
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24$1,000+2 - 9 employeesNew Hope, PAWorkbench SEO is a SEO agency. Launched in 2025, the small company is headquartered in New Hope, Pennsylvania. Their services include Search Engine Optimization, Web Design, and Digital Strategy.Read More
Clients
Cosmos Marble and Granite S&B Construction & Remodeling Vene Construction Gould, Blake & Company CPAsIndustries
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25$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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26$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.
Clients
HitachiIndustries
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27$10,000+10 - 49 employeesPhiladelphia, PALaunched in 2004, Brolik is a Marketing Strategy company. They are headquartered in Philadelphia, Pennsylvania and have a small team. The firm offers Marketing Strategy, Branding, Digital Strategy, Social Media Marketing, and more.Read More
Clients
MLS Players Association Talley Management Group Houwzer Powerhouse Boiler EquipmentIndustries
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28$1,000+10 - 49 employeesChesterbrook, PALaunched in 2005, Greenlane Marketing is a small PPC agency. Their team provides Pay Per Click, Search Engine Optimization, Content Marketing, and Social Media Marketing. The agency is located in Chesterbrook, Pennsylvania.Read More
Clients
Urban OutfittersIndustries
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29$5,000+2 - 9 employeesPhiladelphia, PADynamic Wave Consulting is a Direct Marketing company. Established in 2020, the company is based in Philadelphia, Pennsylvania. The small team focuses on Direct Marketing, Advertising, UX/UI Design, Branding, and more.Read More
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30$10,000+10 - 49 employeesPhiladelphia, PAIntuitSolutions is a Philadelphia, Pennsylvania-based e-commerce development company. The small agency was founded in 2001. Their services include E-Commerce Development, Digital Strategy, Search Engine Optimization, and Web Design.Read More
Industries
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