The search engine optimization industry in Pennsylvania is a thriving hub for companies specializing in enhancing online visibility and driving traffic. These firms employ a range of strategies including keyword research, backlinking, and content creation aimed at improving search engine rankings. With the increasing importance of digital presence, businesses are seeking professional SEO services to remain competitive. Interestingly, as technology evolves, we see more companies integrating artificial intelligence and analytics to refine their approaches. This evolution hints at a promising trajectory for SEO firms, signaling a shift towards more data-centric and adaptive strategies as consumer behavior continues to change.

This list showcases 22 search engine optimization companies based in Pennsylvania. Ranging from larger firms like WebFX and SEO.com to smaller teams such as Ker Communications, these agencies offer targeted services in SEO, digital marketing, and web design. Established between 1996 and 2017, they cater to diverse industries and exhibit varied employee sizes, often employing between 10 to 200 individuals. The companies display a commitment to personalized strategies, ensuring tailored solutions to their clients' unique needs and objectives.

Read on to explore top search engine optimization companies in Pennsylvania.

Top 22 Search Engine Optimization Companies in Pennsylvania

1. SEO.com

• Website: seo.com
• Ownership type: Corporate
• Headquarters: Harrisburg, Pennsylvania, United States (USA)
• Employee distribution: Pakistan 42%, United States (USA) 37%, United Arab Emirates 11%, Other 10%
• Latest funding: November 2023
• Founded year: 2007
• Headcount: 501-1000
• LinkedIn: seo.com

SEO.com, based in Harrisburg, Pennsylvania, is a digital marketing agency that specializes in search engine optimization (SEO) and related services. Founded in 2007, the company has grown to employ around 180 professionals, with a significant portion of its workforce located in Pakistan and the United States. SEO.com offers a variety of services designed to enhance online visibility and drive revenue for businesses. Their offerings include managed SEO, pay-per-click (PPC) management, and content marketing, all tailored to meet the specific needs of their clients across different industries. The agency emphasizes data-driven strategies, which are crucial in the ever-evolving digital marketing landscape. SEO.com is powered by WebFX, a well-established digital marketing agency, which further strengthens its position in the market. The company has not reported any recent funding, indicating a self-sustaining business model focused on delivering results for its clients.

2. WebFX

• Website: webfx.com
• Ownership type: Private Equity
• Headquarters: Harrisburg, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 91%, India 2%, Other 6%
• Latest funding: $4.3M, October 2021
• Founded year: 1996
• Headcount: 501-1000
• LinkedIn: webfxinc

WebFX is a digital marketing agency based in Harrisburg, Pennsylvania, founded in 1996. The company specializes in a variety of services, including search engine optimization (SEO), pay-per-click (PPC) advertising, content marketing, and web design. With a workforce of over 500 professionals, WebFX aims to help businesses improve their online presence and drive revenue through data-driven marketing strategies. They serve clients across multiple industries, tailoring their services to meet specific business needs. WebFX has also received funding, with a reported amount of $4,287,500 in October 2021, which supports their growth and technological advancements. Their proprietary platform, MarketingCloudFX, allows for enhanced tracking and analysis of marketing efforts, further solidifying their role in the digital marketing space.

3. Lseo

• Website: lseo.com
• Ownership type: Corporate
• Headquarters: Wilkes-Barre, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: November 2016
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: lseo

Lseo, based in Wilkes-Barre, Pennsylvania, is a digital marketing agency founded in 2014. The company specializes in search engine optimization (SEO), paid media management, and web design services. With a team of 26 employees, Lseo aims to assist businesses of various sizes in enhancing their online presence and marketing effectiveness. Their service offerings include comprehensive SEO solutions such as consulting, audits, technical SEO, content marketing, and link building. Lseo also provides paid media services, including Google Ads and social media marketing, as well as web design and development. The agency is led by Kris Jones, a notable figure in digital marketing, who has a history of building successful companies in the industry. Lseo's commitment to staying updated with the latest SEO practices and trends positions them as a relevant player in the digital marketing space.

4. NetConnect Digital Agency

• Website: netconnectdigital.com
• Ownership type: Private
• Headquarters: Lancaster, Pennsylvania, United States (USA)
• Employee distribution: India 68%, United States (USA) 32%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: netconnect-digital-agency

NetConnect Digital Agency, based in Lancaster, Pennsylvania, is a private digital marketing firm founded in 2008. With a team of approximately 31 employees, the agency specializes in a broad spectrum of digital marketing services, including search engine optimization (SEO), pay-per-click (PPC) management, social media marketing, and web development. They primarily serve small and medium-sized enterprises across various sectors, aiming to boost their online presence and drive revenue through tailored strategies. The agency has developed a reputation for its personalized approach, focusing on building trust and nurturing client relationships. Their SEO services are designed to improve search rankings and enhance brand visibility, which is crucial for businesses looking to thrive in the digital space. NetConnect Digital Agency has not reported any funding, indicating that it operates independently without external financial backing.

5. Outreach Monks

• Website: outreachmonks.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: India 57%, United States (USA) 43%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: outreach-monks

Outreach Monks is a private link building agency based in Philadelphia, Pennsylvania, founded in 2017. With a team of 21 employees, the company specializes in providing SEO services that primarily focus on link building. Their service offerings include managed link building, guest posts, white label link building, and niche-specific backlinks, catering to various industries such as law, eCommerce, SaaS, and iGaming. Outreach Monks has built a reputation for delivering high-quality backlinks that enhance online visibility and improve search engine rankings. The agency emphasizes a manual outreach approach, ensuring that they secure links from reputable websites relevant to their clients' niches. Their client base spans multiple sectors, and they have demonstrated a commitment to achieving measurable results for their customers. The company operates without reported funding, relying on its expertise and client relationships to drive growth.

6. Seer Interactive

• Website: seerinteractive.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 201-500
• LinkedIn: seer-interactive

Seer Interactive is a digital marketing agency based in Philadelphia, Pennsylvania, specializing in search engine optimization (SEO), paid media, analytics, and creative services. Founded in 2002, the company has grown to employ between 201 and 500 individuals, all dedicated to enhancing the online presence of their clients through tailored, data-driven strategies. Seer Interactive emphasizes the integration of technology and artificial intelligence in their services, which allows them to provide innovative solutions that meet the unique needs of businesses. Their commitment to community impact is evident through their B Corporation certification, which highlights their dedication to social and environmental responsibility. Seer Interactive has a strong track record of client success, with case studies showcasing significant improvements in traffic and conversion rates for various clients. They actively share insights and thought leadership through their blog, contributing to the broader digital marketing conversation.

7. SEO Digital Group

• Website: seodigitalgroup.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 50%, India 50%
• Founded year: 2016
• Headcount: 1-10
• LinkedIn: seo-digital-group

SEO Digital Group, based in Philadelphia, Pennsylvania, is a private digital marketing agency that has been operational since 2016. With a small team of around 19 employees, the company focuses on providing tailored search engine optimization (SEO) and online advertising services. Their offerings include comprehensive SEO analysis, Google Maps optimization, and pay-per-click advertising, all aimed at enhancing the online presence of their clients. The agency primarily serves businesses looking to improve their visibility on search engines, thereby generating more leads. As a Google Certified Partner, SEO Digital Group demonstrates a commitment to maintaining high standards in their SEO practices. Their employee distribution, with half based in the United States and the other half in India, suggests a blend of local and international expertise in their operations.

8. 1SEO Digital Agency

• Website: 1seo.com
• Ownership type: Private Equity
• Headquarters: Bristol, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: April 2023
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: 1seo-com

1SEO Digital Agency, based in Bristol, Pennsylvania, is a digital marketing firm that specializes in a wide array of services aimed at enhancing online visibility for businesses. Founded in 2009, the agency has grown to employ over 100 digital marketing professionals. They focus on providing tailored marketing strategies that cater to various industries, including health and wellness, professional services, and home services. 1SEO has built a reputation for delivering measurable results, having generated millions of leads and substantial eCommerce sales for their clients. Their services include search engine optimization, social media marketing, content marketing, and website design, among others. The agency has received multiple awards for its performance and is recognized as a Premier Google Partner, which grants them exclusive access to Google resources. This positions them as a significant player in the digital marketing industry, particularly in the SEO domain.

9. Web 2.0 Ranker

• Website: web20ranker.com
• Ownership type: Private
• Headquarters: Harrisburg, Pennsylvania, United States (USA)
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: web-2-0-ranker

Web 2.0 Ranker, based in Harrisburg, Pennsylvania, is a digital marketing agency that specializes in search engine optimization (SEO) services. Established in 2015, the company has carved out a niche in providing wholesale and private label SEO solutions, primarily targeting marketing agencies that seek to enhance their SEO capabilities. Their service offerings include local SEO, link building, and branding, all aimed at improving online visibility for their clients. With a team of over 100 employees, Web 2.0 Ranker is equipped to manage a variety of SEO campaigns, ensuring that their agency partners can deliver effective results to their customers. The company has built a reputation for its commitment to client satisfaction and results-driven strategies, making it a relevant player in the SEO industry.

10. The SEO Works (USA)

• Website: seoworks.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: Bangladesh 50%, United States (USA) 50%
• Founded year: 2004
• Headcount: 11-50
• LinkedIn: seo-works

The SEO Works (USA) is a Philadelphia-based digital marketing agency that has been operating since 2004. With a team of 19 employees, the company focuses exclusively on search engine optimization (SEO) services. They assist businesses in enhancing their online presence through tailored strategies that include organic SEO, content marketing, and technical SEO. The firm serves a variety of industries, helping clients achieve sustainable growth and improved digital visibility. The SEO Works prides itself on its transparent approach, providing clients with in-depth audits and ongoing communication throughout the optimization process. Their portfolio includes case studies that showcase successful outcomes for clients in sectors such as eCommerce, real estate, and healthcare. The company has not reported any funding, indicating it operates as a privately held entity without external financial backing.

11. 1Digital Agency

• Website: 1digitalagency.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 91%, Nigeria 9%
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: 1digitalagency-com

1Digital Agency, founded in 2012 and based in Philadelphia, Pennsylvania, is a private digital marketing agency that specializes in eCommerce solutions. With a team of approximately 50 experts, the agency offers a range of services including search engine optimization (SEO), pay-per-click (PPC) advertising, social media management, and web design. Their primary focus is on helping eCommerce businesses improve their online presence and drive sales through tailored marketing strategies. 1Digital Agency has successfully partnered with over 400 brands, from startups to established companies, demonstrating their ability to adapt to various client needs. Their approach combines data-driven strategies with creative design, aiming to maximize conversions and enhance user experience. The agency has received positive reviews for its effective SEO services, which are specifically designed to cater to the eCommerce sector, making them a notable player in the digital marketing industry.

12. The Content Factory

• Website: contentfac.com
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: the-content-factory---pittsburgh

The Content Factory, founded in 2010 and based in Pittsburgh, Pennsylvania, is a private digital marketing agency with a team of 21 employees. The company specializes in SEO, content writing, digital PR, and social media marketing. They cater to a variety of clients, from startups to established brands, helping them enhance their online presence and achieve their marketing objectives through tailored strategies. The agency emphasizes the importance of SEO in driving organic traffic and has developed a reputation for delivering measurable results. Their services include web copywriting aimed at improving search engine rankings, digital PR to secure media coverage, and social media marketing to boost engagement. The Content Factory also offers training packages for businesses looking to manage their own digital marketing efforts. Their commitment to transparency is reflected in their openly shared service rates and strategies, which further establishes their credibility in the industry.

13. Pitchbox

• Website: pitchbox.com
• Ownership type: Private
• Headquarters: Warminster, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 58%, Poland 42%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: pitchbox

Pitchbox, founded in 2012 and based in Warminster, Pennsylvania, is a private company that provides link building software tailored for digital marketing agencies and brands. With a team of 19 employees, Pitchbox focuses on streamlining the link building process through advanced tools for prospecting, outreach automation, and analytics. Their platform is designed to help users improve their outreach campaigns, manage relationships with influencers, and ultimately enhance their online visibility through quality backlinks. Pitchbox integrates with major SEO tools like Moz, SEMRush, and Ahrefs, ensuring that users can access authoritative data to inform their link building strategies. The company has established itself as a valuable resource for agencies looking to optimize their link building efforts, evidenced by positive testimonials from industry experts. However, there is no reported funding, indicating that they have maintained operations independently since their inception.

14. SEO Locale

• Website: seolocale.com
• Ownership type: Family Owned
• Headquarters: Montgomeryville, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: seolocalellc

SEO Locale is a family-owned digital marketing agency based in Montgomeryville, Pennsylvania, founded in 2015. The company specializes in search engine optimization (SEO), web design, and social media marketing, catering primarily to small and medium-sized businesses. With a team of around 27 employees, SEO Locale emphasizes personalized service, offering month-to-month contracts that allow clients flexibility without long-term obligations. The agency has grown significantly since its inception, now serving over 200 local businesses in the greater Philadelphia area and beyond. They have received recognition for their work, including awards for their digital marketing services. SEO Locale is committed to providing high-quality, cost-effective solutions that drive results for their clients, making them a notable player in the SEO industry.

15. Direct Online Marketing

• Website: directom.com
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 96%, Bangladesh 4%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: direct-online-marketing

Direct Online Marketing (DOM) is a digital marketing agency based in Pittsburgh, Pennsylvania, established in 2006. With a team of 11-50 employees, DOM specializes in a wide array of online marketing services, prominently featuring search engine optimization (SEO), pay-per-click (PPC) advertising, and web development. The agency caters to various industries, including B2B, healthcare, eCommerce, and higher education, helping businesses enhance their online visibility and drive growth through customized marketing strategies. DOM prides itself on its client-centric approach, offering month-to-month contracts and a dedicated team for each project. Their expertise is further validated by their certifications from Google, HubSpot, and Microsoft, along with a strong presence in client reviews. The agency has successfully assisted numerous clients in achieving significant improvements in web traffic and conversion rates, showcasing their effectiveness in the digital marketing arena.

16. WTM Digital

• Website: wtmdigital.com
• Ownership type: Private
• Headquarters: Lancaster, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 11-50
• LinkedIn: web-talent-marketing

WTM Digital, based in Lancaster, Pennsylvania, is a private digital marketing agency founded in 2005. With a team of approximately 30 employees, the company focuses on providing a wide array of marketing solutions, including search engine optimization (SEO), pay-per-click (PPC) advertising, content marketing, and web development. WTM Digital aims to help businesses enhance their online presence and drive revenue through customized digital strategies. Their SEO services are particularly noteworthy, as they employ data-driven methods to improve clients' organic visibility and lead generation. The agency also offers specialized SEO services for platforms like Amazon and YouTube, showcasing their adaptability to different digital environments. WTM Digital has built a reputation for treating clients as partners, emphasizing collaboration and understanding of each client's unique needs and goals.

17. VIEWS Digital Marketing

• Website: viewsdigitalmarketing.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 1-10
• LinkedIn: wsi-websense

VIEWS Digital Marketing is a Philadelphia-based digital marketing agency founded in 2002. With a small team of 1-10 employees, the agency specializes in crafting customized marketing strategies for businesses across multiple sectors. Their service portfolio includes search engine optimization (SEO), digital advertising, and social media management, aimed at enhancing clients' online presence and driving customer engagement. VIEWS has developed a reputation for its focus on local SEO and content marketing, which are essential for businesses looking to improve their search engine rankings. The agency is part of a global network of digital marketing experts, allowing them to leverage a wealth of knowledge and resources to benefit their clients. They have received recognition as a top woman-owned company in Philadelphia, highlighting their commitment to excellence in the industry. VIEWS Digital Marketing continues to adapt to the evolving digital landscape, providing valuable insights and strategies to help businesses thrive online.

18. Higher Images, Inc.

• Website: higherimages.com
• Ownership type: Private
• Headquarters: Carnegie, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: higher-images

Higher Images, Inc. is a digital marketing agency based in Carnegie, Pennsylvania, founded in 2001. The company specializes in a wide array of services, including website design, search engine optimization (SEO), branding, and traditional marketing. With a team of 11 to 50 employees, Higher Images focuses on enhancing the online presence of businesses across various sectors. They employ tailored marketing strategies to help clients generate leads and improve their visibility in search engine results. The agency has developed a reputation for its client-centric approach, evidenced by numerous success stories and testimonials. Their commitment to staying updated on the latest marketing techniques and technologies further solidifies their position in the digital marketing space. Higher Images has also received over 20 awards for their work, reflecting their expertise and dedication to client success.

19. Ker Communications

• Website: kercommunications.com
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 1-10
• LinkedIn: ker-communications---pittsburgh-internet-marketing-%26-seo-consultants

Ker Communications is a digital marketing agency based in Pittsburgh, Pennsylvania, founded in 2010. The company specializes in search engine optimization (SEO), inbound marketing, and web design, providing tailored marketing solutions to enhance online visibility for businesses. With a small team of dedicated professionals, Ker Communications focuses on understanding the unique needs and goals of each client, ensuring that their SEO strategies are customized for optimal results. Their services extend beyond SEO to include social media management, content creation, and comprehensive web presence management. As a certified Google Partner, Ker Communications demonstrates a commitment to maintaining high standards in search marketing, further solidifying their role in the digital marketing industry. They have worked with a variety of clients, from local businesses to larger organizations, showcasing their ability to adapt to different market needs.

20. Epic Web Studios

• Website: epicwebstudios.com
• Ownership type: Family Owned
• Headquarters: Erie, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: epic-web-studios

Epic Web Studios, based in Erie, Pennsylvania, is a family-owned digital marketing agency founded in 2009. The company specializes in website development and online marketing solutions, with a strong emphasis on search engine optimization (SEO). They cater to a variety of businesses and organizations looking to enhance their digital presence. Epic Web Studios offers a comprehensive suite of services, including SEO, content marketing, Google Ads management, and custom software development. Their approach combines strategic planning with creative execution, aiming to deliver tailored solutions that meet the unique needs of their clients. The agency has worked with over three hundred clients, demonstrating a commitment to fostering long-term relationships and achieving measurable results. Their status as a Certified Google Partner further underscores their expertise in managing effective Google Ads campaigns and optimizing online visibility for their clients.

21. Shortlist

• Website: shortlist.io
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 56%, North Macedonia 37%, Canada 7%
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: shortlistio

Shortlist is a marketing agency based in Philadelphia, Pennsylvania, founded in 2018. With a team of 27 employees, the company specializes in various digital marketing services, prominently featuring search engine optimization (SEO). Their offerings include content strategy and creation, guest posting, keyword research, and technical SEO audits. Shortlist caters primarily to businesses, including agencies and brands, aiming to enhance their online visibility and optimize marketing strategies. The agency has built a reputation for delivering tailored SEO solutions, as evidenced by positive client testimonials highlighting their effectiveness in improving organic traffic and search rankings. Additionally, Shortlist provides white-label services, allowing other agencies to leverage their expertise without the need for in-house resources. This strategic approach not only broadens their client base but also reinforces their commitment to supporting businesses in achieving their marketing goals.

22. Sharp Innovations, Inc.

• Website: sharpinnovations.com
• Ownership type: Family Owned
• Headquarters: Conestoga, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 92%, India 8%
• Founded year: 1999
• Headcount: 11-50
• LinkedIn: sharp-innovations-inc-

Sharp Innovations, Inc., based in Conestoga, Pennsylvania, is a family-owned digital marketing agency founded in 1999. With a team of approximately 26 employees, the company specializes in a variety of services aimed at enhancing online presence for businesses. Their offerings include web design, custom software development, and a range of digital marketing strategies, with a strong emphasis on search engine optimization (SEO). Sharp Innovations has built a reputation for providing tailored solutions that cater to the unique needs of their clients, focusing on improving site rankings, traffic, and lead generation. The agency prides itself on its commitment to quality and customer service, ensuring that each client receives personalized attention. Their portfolio showcases work across various industries, reflecting their adaptability and expertise in digital marketing.

Search Engine Optimization Insights: Key Companies in Pennsylvania

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