State ranking
Three agencies based in the Greater Philadelphia area, suited to lead-generation and ecommerce companies, local service businesses, and smaller firms wanting flexible contracts.
Pennsylvania’s economy spans healthcare and life sciences, higher education, manufacturing and a large base of local service businesses, concentrated around Philadelphia and Pittsburgh.
The three agencies below are based in the Greater Philadelphia area and each suits a different buyer. For firms that serve Pennsylvania from elsewhere, see our national SEO agencies page.
These criteria apply our general ranking methodology to this category and market.
| Provider | Best for | Focus | Based in |
|---|---|---|---|
| Greenlane Marketing | Lead-generation, ecommerce and media companies wanting senior SEO strategy | SEO strategy, Technical SEO, Paid media | Chesterbrook, PA |
| 1SEO Digital Agency | Home services and health businesses in Greater Philadelphia | SEO, Local Service Ads, PPC | Bristol, PA |
| SEO Locale | Smaller businesses wanting SEO without long contracts | Local SEO, National SEO, AI SEO | Offices in Montgomeryville and Philadelphia, PA |
Listed by buyer fit, not in order of quality.
Best for Lead-generation, ecommerce and media companies wanting senior SEO strategy
Greenlane, headquartered in Chesterbrook and operating since 2005, leads with SEO strategy and implementation and offers both projects and retainers.
Best for Home services and health businesses in Greater Philadelphia
Bristol-based 1SEO lists SEO first and adds Local Service Ads, PPC, reputation management and creative for home services and health businesses.
Best for Smaller businesses wanting SEO without long contracts
Founded in 2015, SEO Locale leads with local and national SEO from offices in Montgomeryville and Philadelphia, on custom pricing with month-to-month contracts.
National agencies. Compare our national list, which includes firms with Philadelphia roots.
A local agency helps if you rely on regional customers or want in-person meetings. For national search, relevant industry experience matters more than location.
We looked for Pennsylvania-based agencies that list SEO as a core service and suit different buyers, and verified each one’s details on its own website. They are listed by fit, not ranked.
No. Inclusion is editorial. See our advertising disclosure.
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