Top SEO Companies and Agencies in the USA (Expert-Reviewed)
Compare top-performing SEO companies to find the best fit for your business goals. Whether you want to improve your rankings in search results, grow organic traffic, or win more local and AI-driven search visibility, investing in SEO is critical for growth in a competitive US market.
To help you find the right partner, we have put together a list of the top SEO agencies in the USA. It covers full-service firms, content-driven specialists, ecommerce experts, and dedicated link building teams so you can shortlist with confidence.
At LinkPanda, we work with SEO agencies and in-house marketing teams across the US, providing link building and digital PR that supports stronger search performance. We built this list to make your research easier.
Read on to explore our list of the top US SEO agencies.
WebFX
WebFX is one of the largest full-service SEO and digital marketing agencies in the US, with nearly three decades of experience and a 750-plus person team. It pairs technical SEO, content, and local SEO with proprietary reporting built around revenue.
Learn More ›Victorious
Victorious is a San Francisco agency that works on search exclusively. It builds scalable, data-led campaigns across SEO, content, and web for SaaS, finance, healthcare, and ecommerce brands, with a clear focus on measurable organic revenue.
Ignite Visibility
Ignite Visibility is a full-service digital marketing agency founded in 2013. It combines SEO, digital PR, paid media, and CRO into integrated campaigns and is well known for serving franchises, multi-location brands, and national advertisers.
Siege Media
Siege Media is a content-driven SEO agency that scales organic traffic through research-led content, design, and link building. It works with SaaS, ecommerce, and finance brands and has driven well over $100M in attributed results for partners.
Go Fish Digital
Go Fish Digital is a digital marketing agency founded in 2005 with offices in Raleigh and Washington DC. It blends technical SEO with creative digital PR and has worked with brands including Adobe, Marriott, and The New York Times.
Directive
Directive is a performance marketing agency built specifically for technology and SaaS companies. Its Customer Generation methodology connects SEO with paid media, creative, and RevOps, and the team has generated over $1B in client revenue.
NP Digital
NP Digital is the global agency co-founded by Neil Patel. It delivers SEO, paid media, content, and social at enterprise scale, backed by proprietary marketing tools and a delivery presence across North America, Europe, and APAC.
SmartSites
SmartSites is one of the most reviewed digital marketing agencies in the US, founded in 2011. It pairs SEO with web design, PPC, and email, and is a strong fit for ecommerce and local businesses that want fast, measurable growth.
First Page Sage
First Page Sage is a B2B SEO and thought leadership agency whose clients have included Microsoft, SoFi, and Logitech. It specialises in expertise-driven content and generative engine optimization for high-consideration industries.
uSERP
uSERP is a US link building and digital PR agency focused on SaaS and high-growth brands. It earns high-authority editorial backlinks through manual, relationship-based outreach and has been recognised by Clutch as a top link building company for five years running.
1. WebFX
WebFX is one of the largest full-service SEO and digital marketing agencies in the United States. Headquartered in Harrisburg, Pennsylvania, it has close to three decades of experience and a team of more than 750 specialists.
The agency combines technical SEO, content marketing, local SEO, and generative engine optimization with its own reporting technology. That scale makes it a strong fit for mid-market and larger businesses that want a single partner across multiple channels.
What WebFX specializes in
- Technical and on-page SEO
- Local SEO and Google Business Profile optimization
- Content marketing and generative engine optimization
- Paid media, analytics, and conversion tracking
Why choose WebFX
- Nearly 30 years of SEO and digital marketing experience
- A large in-house team across more than a dozen industries
- Google Premier Partner status
- Revenue-focused reporting and forecasting
2. Victorious
Victorious is a San Francisco SEO agency that focuses on search and nothing else. By keeping its scope narrow, the team builds deep expertise in the keyword research, content, and technical work that moves organic rankings.
Victorious designs scalable campaigns for SaaS, finance, healthcare, real estate, and ecommerce brands, and increasingly optimizes for AI-driven search experiences alongside traditional results. Its data-led process is built to turn qualified search traffic into revenue.
What Victorious specializes in
- Enterprise and multi-location SEO
- Keyword research and content strategy
- SEO-focused web services
- Optimization for AI search experiences
Why choose Victorious
- An exclusive focus on SEO
- A transparent, data-driven methodology
- Scalable campaigns that grow with your business
- Consistently strong client reviews
3. Ignite Visibility
Ignite Visibility is a full-service digital marketing agency founded in San Diego in 2013. It is known for integrated campaigns that connect SEO with digital PR, paid media, email, and conversion rate optimization.
The agency works extensively with franchises, multi-location businesses, and national brands, and its leadership team is active in publishing and teaching modern SEO. That makes it a good option for companies that want earned and paid search managed together.
What Ignite Visibility specializes in
- SEO and digital PR
- Paid search and paid social advertising
- Conversion rate optimization
- Analytics, reporting, and email marketing
Why choose Ignite Visibility
- An integrated earned and paid search approach
- Experienced and well-known leadership
- A strong multi-location and franchise track record
- Frequent industry recognition and awards
4. Siege Media
Siege Media is a content-driven SEO agency with offices in San Diego and Austin and a fully remote team. It grows organic traffic by combining research-led content, strong design, and editorial link building.
The agency works with SaaS, ecommerce, finance, and education brands, and reports more than $100M in attributed results for its partners. It is a good fit for companies that see content as the engine of their SEO program.
What Siege Media specializes in
- Content strategy and production
- Editorial link building and digital PR
- Graphic design and video content
- SEO for SaaS and ecommerce brands
Why choose Siege Media
- A content-first SEO methodology
- Strong in-house design and editorial talent
- Proven, measurable organic traffic growth
- A senior, fully remote team
5. Go Fish Digital
Go Fish Digital is a digital marketing agency founded in 2005, with offices in Raleigh, North Carolina and Washington DC. It is known for pairing rigorous technical SEO with creative digital PR.
The agency takes a data-first approach and has delivered work for major brands including Adobe, Marriott, and The New York Times, alongside smaller businesses. It suits companies that need both technical depth and earned-media creativity.
What Go Fish Digital specializes in
- Technical SEO and site audits
- Digital PR and content marketing
- Online reputation management
- Web design and development
Why choose Go Fish Digital
- A data-first technical SEO approach
- Creative, link-earning digital PR
- A recognised enterprise client roster
- Full-service support beyond SEO
6. Directive
Directive is a performance marketing agency built specifically for technology and SaaS companies. Founded in Irvine, California in 2014, it has worked with more than 200 software brands.
Its Customer Generation methodology connects SEO with paid media, creative, and revenue operations so that organic and paid efforts pull in the same direction. The team reports generating over $1B in revenue for clients.
What Directive specializes in
- B2B and SaaS SEO
- Paid media management
- Creative and content production
- Revenue operations and strategy
Why choose Directive
- Built exclusively for tech and SaaS companies
- A connected organic and paid strategy
- Experience with more than 200 software brands
- A clear focus on pipeline and revenue
7. NP Digital
NP Digital is the global agency co-founded by Neil Patel, one of the most recognised names in digital marketing. It delivers SEO, paid media, content, and social at enterprise scale.
The agency backs its work with proprietary marketing tools and a delivery presence across North America, Europe, and the APAC region. It is well suited to larger brands that want a recognised partner with global reach.
What NP Digital specializes in
- Organic and paid search
- Content marketing
- Social media marketing
- Conversion rate optimization
Why choose NP Digital
- Founder-led brand authority
- Proprietary marketing technology
- Global delivery capacity
- Enterprise-grade strategy and reporting
8. SmartSites
SmartSites is one of the most reviewed digital marketing agencies in the United States. Founded in Paramus, New Jersey in 2011 by brothers Alex and Michael Melen, it has earned more than 1,000 five-star reviews.
The agency pairs SEO with web design, PPC, and email marketing, and has been named to the Inc. 5000 list of fastest-growing companies nine times. It is a strong fit for ecommerce stores and local businesses that want measurable growth quickly.
What SmartSites specializes in
- Ecommerce SEO
- Local SEO and Google Business Profile work
- Web design and development
- PPC and email marketing
Why choose SmartSites
- More than 1,000 five-star client reviews
- A nine-time Inc. 5000 honoree
- Google Premier Partner status
- A strong fit for ecommerce and local businesses
9. First Page Sage
First Page Sage is a B2B SEO and thought leadership agency whose client roster has included Microsoft, SoFi, US Bank, and Logitech. It focuses on expertise-driven content for high-consideration industries.
The agency has also built a strong capability in generative engine optimization, helping brands become the source that AI models reference. It suits B2B companies with longer sales cycles that compete on credibility.
What First Page Sage specializes in
- B2B SEO strategy
- Thought leadership content
- Generative engine optimization
- Conversion-focused content design
Why choose First Page Sage
- Deep B2B specialisation
- A distinctive thought leadership content model
- A strong generative engine optimization capability
- Recognised enterprise clients
10. uSERP
uSERP is a link building and digital PR agency that works with SaaS companies and established brands across the US. It focuses on earning placements on high-authority publications rather than buying links.
The team uses manual, relationship-based outreach and targets sites with strong domain authority. uSERP has also built proprietary tools that identify the sources AI models cite, then works to place client brands in that content.
What uSERP specializes in
- SaaS link building
- Digital PR and editorial placements
- White-label link building for agencies
- AI visibility and brand monitoring
Why choose uSERP
- A strictly white-hat approach with no paid links
- A focus on high-authority editorial placements
- Recognised by Clutch as a top link building company for five consecutive years
- Proprietary tooling for AI search visibility
How to Choose the Right SEO Agency in the US
The best SEO agency for one company is not always the best for another. Before you sign a contract, it helps to look past ranking promises and assess how an agency actually works day to day.
Start with relevance. An agency that has grown ecommerce stores may not be the right choice for a B2B SaaS product, and the reverse is also true. Ask for case studies and references that match your industry or business model.
Then look at transparency. A trustworthy agency will explain its process, show you the links and content it produces, and report on real business metrics rather than vanity numbers.
6 Checks Before Hiring a US SEO Agency
How Much Does an SEO Agency Cost in the US?
SEO pricing in the US varies widely depending on scope, competition, and the seniority of the team. Most agencies work on monthly retainers, though project-based and hourly pricing are also common.
As a rough guide, small business retainers usually start around $1,500 to $3,000 per month. Mid-market programs commonly run $7,500 to $15,000, and competitive or enterprise campaigns often exceed $15,000 per month.
The right budget depends on how competitive your market is and how quickly you need results. A smaller, focused campaign can still perform well if it is aimed at the right keywords.
US SEO Agency Pricing (2026)
Typical ranges only. Hourly consulting usually runs $100-$250 per hour, and one-off projects such as audits or migrations commonly fall between $5,000 and $30,000.
Questions to Ask Before Hiring a US SEO Agency
A short, focused conversation can tell you a lot about an agency. Ask each shortlisted agency the same set of questions so you can compare their answers side by side.
- What results have you achieved for businesses similar to mine?
- Which SEO activities are included in the monthly fee, and what costs extra?
- Who will actually work on my account, and how often will we meet?
- How do you build links and create content, and can I see examples?
- How do you measure success, and what reporting will I receive?
- How do you approach AI search and generative engine optimization?
Pay attention not just to the answers but to how clearly each agency explains its thinking. The agency that communicates best during the sales process is often the one that communicates best as a partner.
AI and GEO: Which US SEO Agencies Are Ready for 2026?
Search is changing. AI Overviews, ChatGPT, and other generative tools now answer many queries directly, and generative engine optimization, or GEO, has become part of a serious SEO program.
Several agencies on this list, including WebFX, First Page Sage, Victorious, and Ignite Visibility, have built explicit GEO capabilities. When you evaluate any agency in 2026, ask how it helps your brand get referenced by AI models, not only ranked in traditional results.
Strong content and authoritative links remain the foundation. AI systems tend to surface brands that are well cited across the web, which is why earned links and digital PR still matter for visibility.
Need stronger links behind your SEO?
LinkPanda helps US SaaS and B2B companies earn high-authority backlinks through white-hat outreach and digital PR.
Frequently Asked Questions About US SEO Agencies
About The Author
Christopher Lier
Christopher is an experienced Search Engine Optimization (SEO) marketer and digital marketing specialist. He is Co-Founder of LinkPanda and leads the marketing and sales teams. Mostly known as a Software-as-a-Service co-founder of LeadGen App, he has helped grow the website to become a renowned player in the lead generation space with steadily growing user base and readership.
