The pitch is always convincing. The results rarely match. Use this vetted directory of the best US SEO agencies to separate credible partners from the noise. Filter your search by budget, expertise, and location.

List of Top SEO Agencies in the US

2 Companies - Rankings updated: September 03, 2026

DesignRush evaluates SEO companies for SEO expertise, campaign performance, and verified client reviews to help businesses choose confidently. Some listings may be paid.

Expertise
Delivery & Takeaway
$25,000 - $50,000
Sort by: Sponsored
United States × Delivery & Takeaway × $25,000 - $50,000 × Clear Filters

  • WebFX

    Verified Verified by the DesignRush team for authenticity and credibility.

    Digital Marketing That Drives Results® - WebFX®

    WebFX is a US SEO firm with 30 years of experience, reporting 81% higher revenue growth than the industry average. Backed by proprietary AI platform RevenueCloudFX and a 750-person team, suiting businesses across 200+ industries seeking measurable organic revenue growth...

    Top Services:

    • Digital Marketing
    • SEO
    • Content Marketing
    • Email Marketing
    • Social Media Marketing
    • Show more
    Location
    Harrisburg, Pennsylvania
    Number of Employees
    500 - 999
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    10 Projects Listed

    WebFX Services

    • Digital Marketing
    • SEO
    • Content Marketing
    • Email Marketing
    • Social Media Marketing
    • Direct Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Verizon
    • FujiFilm
    • Buffalo Wild Wings
    • Subway
    • YMCA
    • Giant
    • Penn National Gaming
    • Armstrong
    • Coldwell Banker
    • Jiffy Lube
    Data sourced from the agency's DesignRush profile

    WebFX Reviews & Testimonials

    • Kate Auchenbach
      Kate Auchenbach Marketing Manager at Kreamer Feed
      5.0 ★

      eCommerce Development Review from Kate Auchenbach

      Over the past few years, we have been working with WebFX on various ongoing projects surrounding our websites. They have taken our SEO from non-existent to one of the best websites throughout our time working together. They provide easy-to-understand, solutions-oriented objectives for us and can work cohesively with us to achieve those goals. I like their ability to work hand-in-hand with you and keep you informed in such an organized manner with progress reports.

    • Joshua Fetterolf
      Joshua Fetterolf Sales Manager at Koser Jewelers
      5.0 ★

      SEO Review from Joshua Fetterolf

      I have enlisted WebFX to revamp and run my digital presence. I was in way over my head in regards to SEO and Google Ads. WebFX has really helped us turn the corner and I've seen our visibility go way up.

    • Wendy W
      Wendy W COO at Select Insurance Group
      5.0 ★

      Digital Services Review from Wendy W

      The WebFX team has been committed to our success in generating leads for our specialty insurance business. Our account manager has always been responsive and has provided great resources and advice during our partnership. She celebrates our wins with us and puts in extra hours when we need assistance.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (5)
    4.5 4.5 (206)

  • AyadiPro Technology Solutions

    Creative. Innovative. Unique.

    AyadiPro Technology Solutions is revolutionizing the industry from Silicon Valley. We specialize in offering a wide range of top-tier services and multimedia production that are designed to keep our customers engaged - including incredible web design, cutting edge app development, SEO & Social Media Marketing...

    Top Services:

    • SEO
    • Social Media Marketing
    • Digital Marketing
    • Web Design
    • Mobile App Development
    • Show more
    Location
    Santa Clara, California
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000

    AyadiPro Technology Solutions Services

    • SEO
    • Social Media Marketing
    • Digital Marketing
    • Web Design
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Sony Ericcson
    • Design Industry
    • Marketing Industry
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

SEO Agencies by City

SEO Agencies by State

SEO Specializations in the US

Popular Services

Why Companies Trust DesignRush

For almost a decade, DesignRush has connected businesses with the best SEO firms to fuel sustainable online growth. Each SEO services company in our directory is rigorously vetted using key performance indicators such as portfolio quality, verified client feedback, and industry reputation. This trusted screening process has made DesignRush a leading resource for companies seeking professional SEO providers, earning a 4.7-star rating on Google and Trustpilot.

DesignRush rating logos on Trustpilot and Google

Sources

DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

7 Frequently Asked Questions About SEO Services USA

When should you hire large SEO agencies in the US and when specialized firms?

Hire large US SEO agencies when you need multiple capabilities under one roof, such as technical SEO, content development, PR, and paid media. Hire specialized firms when SEO is your main growth channel, and you have defined needs, such as eCommerce optimization. Specialized SEO companies in the USA provide direct access to senior marketers and offer in-depth expertise in a vertical or region. As such, it best suits businesses that rely on organic search as their primary customer acquisition channel. 

Searchbloom breaks down the most common specialized SEO agencies in the USA: 

  • Local and multi-location SEO companies in the US focus on fine-tuning location data, reviews, and optimizing Google Business Profiles.   
  • National SEO agencies prioritize content strategy, internal linking, and link building initiatives.   
  • eCommerce SEO firms manage catalogs, feeds, schema, faceted navigation, and parameterized URLs. 

What should you look for to ensure the agency is not selling outdated SEO services?

Ask about its specific infrastructure for large language models (LLMs) and real human experiences. Agencies that reply with "exact-match keyword density" and standard text-based blogs are using obsolete playbooks that damage your ranking. 

Here is what separates modern SEO services from outdated ones: 

Modern SEO practices: 

  • Topic authority and content depth
  • Earning editorial backlinks
  • Core Web Vitals and technical health
  • AI search visibility (AEO/GEO)
  • Search intent matching

Outdated SEO practices:

  • Thin pages with high keyword density
  • Buying links or using private blog networks (PBNs)
  • Ignoring page experience signals
  • Optimizing for Google only
  • Ranking for high-volume vanity keywords

How do you audit the USA SEO company's strategy to verify its legitimacy?

You should review its white-hat strategies, link-building practices, and account recovery process by requesting live and documented samples of client work from the past 90 days. 

Legitimate companies will be able to provide these items as proof of their expertise instead of relying solely on their proposals or hiding behind the “proprietary methodology” answer.

What should a USA SEO service proposal include?

A USA SEO service proposal should include the following elements:

  • A baseline audit
  • Defined monthly deliverables and KPIs
  • Named team members
  • A reporting model
  • Contract terms

It should also explicitly state what work is out of scope and the specific triggers for additional billing. 

How long should you realistically wait before expecting measurable results?

On average, you can expect initial results within 3-6 months, such as cleaner indexation, stronger crawl signals, and improved long-tail visibility. Within 6-12 months, SEO momentum builds for more sustained results, including movement on priority terms, more qualified traffic, and stronger conversion performance. 

As estimated by Rock Salt Marketing Cooperative, results tend to progress as follows:  

  • Month 1-3: Early ranking and traffic gains  
  • Month 3-6: Increase in qualified leads  
  • Month 6-12: ROI turns positive  
  • After the first year: Exponential growth and stable revenue tied to traditional and AI search 

How much output do SEO services in the USA deliver in a month?

SEO services in the USA deliver 10-15 hours of work per month for basic packages, 15-25 hours for standard work, and 25-60+ hours for more advanced strategies. 

As described by Funnel Boost Media, how the overall output is dispersed depends on the service tiers and the defined SEO strategy:  

  • Basic SEO: 10-15 hours of work per month, covering technical SEO, a light content plan, a site audit, minimal outreach, and baseline SEO reporting.  
  • Standard SEO: 15-25 hours per month, covering ongoing technical SEO, copywriting, recurring SEO audits, and link building outreach.
  • Advanced SEO: 25-60 hours per month, including in-depth audits, extensive content creation (20-30 pages per month), intensified link building, ongoing technical SEO maintenance, and performance monitoring. 

At what point should you fire the USA SEO company versus giving them more time?

Look for another SEO company when the current one has not presented tangible results after 6 months and shows constant behavioral problems.

Give the agency more time if you are in the first 6 months of your engagement, deliverables are completed on schedule, and the agency proactively flags issues and adjusts strategies accordingly.

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