The 2026 Agency Index Updated October 14, 2026

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Shortlist: SEO

Best SEO agencies (2026)

Last reviewed ·

SEO in 2026 covers classic rankings and the AI answers that now sit above them. A good SEO agency fixes the technical base, publishes content with a real point of view, and reports leads, not only positions.

This shortlist keeps every SEO, AI search, and full-service agency in our index. Paid media, social, and design specialists that list SEO as a side service sit on their own shortlists. The order follows the overall index score.

Disclosure Marketing Agency News has a business relationship with AI Guys, which appears in this ranking. How we handle it.

The shortlist

14 agencies, ranked by overall score

  • Rank 01

    AI Guys

    AI search, Richmond, Virginia, USA

    Best for Owner-led businesses that want the founders building the site and running SEO and AI search visibility themselves.

    Proof
    7 out of 10
    Senior attention
    10 out of 10
    AI search
    10 out of 10
    Accountability
    7 out of 10

    Overall 8.4 /10

  • Rank 02

    Omniscient Digital

    SEO, Austin, Texas, USA

    Best for B2B software companies with at least $120,000 a year to spend that want SEO, content, and AI search tied to pipeline.

    Proof
    8 out of 10
    Senior attention
    6 out of 10
    AI search
    10 out of 10
    Accountability
    6 out of 10

    Overall 7.5 /10

  • Rank 03

    Victorious

    SEO, San Francisco, California, USA

    Best for Mid-market and enterprise companies that want a specialist SEO and AI answer team with a long award record and can meet a high minimum budget.

    Proof
    8 out of 10
    Senior attention
    5 out of 10
    AI search
    9 out of 10
    Accountability
    8 out of 10

    Overall 7.5 /10

  • Rank 04

    WebFX

    Full-service, Harrisburg, Pennsylvania, USA

    Best for Mid-sized and larger companies, especially B2B manufacturers and online sellers, that want one large vendor for SEO, paid ads, and tracked AI search work.

    Proof
    8 out of 10
    Senior attention
    4 out of 10
    AI search
    9 out of 10
    Accountability
    9 out of 10

    Overall 7.4 /10

  • Rank 05

    NP Digital

    Full-service, Las Vegas, Nevada, USA

    Best for Large and mid-sized brands that want one agency to run SEO, AI search, and paid media across several countries and can fund a multi-team account.

    Proof
    8 out of 10
    Senior attention
    4 out of 10
    AI search
    9 out of 10
    Accountability
    8 out of 10

    Overall 7.2 /10

  • Rank 06

    Xponent21

    AI search, Richmond, Virginia, USA

    Best for Local service firms and B2B suppliers that want one Richmond team to run SEO and AI search together, with AI visibility tracking included in the retainer.

    Proof
    7 out of 10
    Senior attention
    7 out of 10
    AI search
    8 out of 10
    Accountability
    7 out of 10

    Overall 7.2 /10

  • Rank 07

    NoGood

    Full-service, New York, New York, USA

    Best for Venture-backed startups and established brands with budgets above $20,000 a month that want a senior growth squad running paid, social, and AI search tests.

    Proof
    7 out of 10
    Senior attention
    6 out of 10
    AI search
    9 out of 10
    Accountability
    7 out of 10

    Overall 7.2 /10

  • Position 08

    SmartSites

    Full-service, Paramus, New Jersey, USA , No. 9 in the index

    Best for Local, franchise, and ecommerce businesses that want published package prices, named specialists, and a live reporting dashboard from a large agency.

    Proof
    7 out of 10
    Senior attention
    5 out of 10
    AI search
    8 out of 10
    Accountability
    9 out of 10

    Overall 7.1 /10

  • Position 09

    uSERP

    SEO, Denver, Colorado, USA , No. 10 in the index

    Best for Funded B2B software companies that want link building, digital PR, and AI search work led by senior strategists, with at least $10,000 a month to spend.

    Proof
    7 out of 10
    Senior attention
    7 out of 10
    AI search
    8 out of 10
    Accountability
    6 out of 10

    Overall 7.0 /10

  • Position 10

    Workshop Digital

    Full-service, Richmond, Virginia, USA , No. 11 in the index

    Best for Mid-sized B2B and consumer brands that want SEO and paid media run by one Richmond team on a 12-month plan with monthly reporting.

    Proof
    7 out of 10
    Senior attention
    6 out of 10
    AI search
    6 out of 10
    Accountability
    8 out of 10

    Overall 6.8 /10

  • Position 11

    Single Grain

    Full-service, Miami, Florida, USA , No. 12 in the index

    Best for Venture-backed startups and mid-sized companies with projects of $10,000 or more that want paid media, CRO, and AI citation work from a remote team.

    Proof
    6 out of 10
    Senior attention
    5 out of 10
    AI search
    9 out of 10
    Accountability
    7 out of 10

    Overall 6.6 /10

  • Position 12

    Ignite Visibility

    Full-service, San Diego, California, USA , No. 13 in the index

    Best for Franchise systems and multi-location brands that want SEO, paid media, and AI search run across many locations by one large agency.

    Proof
    6 out of 10
    Senior attention
    4 out of 10
    AI search
    8 out of 10
    Accountability
    9 out of 10

    Overall 6.5 /10

  • Position 13

    Thrive Internet Marketing Agency

    Full-service, Arlington, Texas, USA , No. 16 in the index

    Best for Small and mid-sized businesses, including local service firms, that want a full-service agency without a long-term contract and a separate pay-for-performance option for reviews and local leads.

    Proof
    6 out of 10
    Senior attention
    4 out of 10
    AI search
    8 out of 10
    Accountability
    8 out of 10

    Overall 6.3 /10

  • Position 14

    Power Digital

    Full-service, San Diego, California, USA , No. 17 in the index

    Best for Consumer and ecommerce brands with sizable budgets that want paid media, marketplaces, and measurement handled by one large agency.

    Proof
    6 out of 10
    Senior attention
    4 out of 10
    AI search
    7 out of 10
    Accountability
    8 out of 10

    Overall 6.1 /10

Buying checklist

What to look for

  1. Technical fixes you can see, such as page speed, crawl health, and structured data.
  2. Case studies with traffic or lead numbers and the dates behind them.
  3. A plan for AI Overviews, AI Mode, and answer engines such as ChatGPT.
  4. No promise of a guaranteed first-place ranking. Google says nobody can promise one.
Questions readers ask

Frequently asked

How long does SEO take to work?

It turns on the site, the competition, and how much repair work comes first, so no honest agency quotes one number for every business. Ask for dated case studies that show how long results took on sites like yours.

Can an SEO agency guarantee a number one ranking?

No. Google states that no one can guarantee a number one ranking. Treat a guarantee as a red flag and ask for a forecast tied to evidence instead.

Does SEO still matter with AI search?

Yes. Google says the same SEO basics apply to AI Overviews and AI Mode, and a page has to be indexed to appear in them. A crawlable, fast, well-structured site with strong content is still the base for showing up in AI answers.