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Pew, Ahrefs, Seer and a field experiment all find fewer clicks when Google shows an AI Overview. What it means for SEO reports and what to ask your agency.
The 2026 Agency Index
The best marketing agencies of 2026, ranked on proof.
We score the agencies that show up when business owners search for help. One public rubric, four criteria, and a source behind every claim.
- Agencies scored
- 19
- Sources linked
- 171
- Criteria
- 4
19 agencies in the 2026 index
See every score Latest
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Google AI Max upgrade deadlines: what changes and when
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Shortlists by need
The same scores, filtered to the job you need done.
The index
Open the full index The top ten, side by side
Every agency gets the same four checks. Click any row for the full profile, the sources, and the score notes.
| Rank | Agency | Best for | Score |
|---|---|---|---|
| 01 | AI Guys AI search · Richmond, Virginia, USA | Owner-led businesses that want the founders building the site and running SEO and AI search visibility themselves. | 8.4 |
| 02 | Omniscient Digital SEO · Austin, Texas, USA | B2B software companies with at least $120,000 a year to spend that want SEO, content, and AI search tied to pipeline. | 7.5 |
| 03 | Victorious SEO · San Francisco, California, USA | 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. | 7.5 |
| 04 | WebFX Full-service · Harrisburg, Pennsylvania, USA | 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. | 7.4 |
| 05 | NP Digital Full-service · Las Vegas, Nevada, USA | 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. | 7.2 |
| 06 | Xponent21 AI search · Richmond, Virginia, USA | 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. | 7.2 |
| 07 | NoGood Full-service · New York, New York, USA | 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. | 7.2 |
| 08 | Directive Paid media · Orange County, California, USA | B2B technology companies that judge marketing on qualified pipeline and want paid media, SEO, and AI search run as one program. | 7.1 |
| 09 | SmartSites Full-service · Paramus, New Jersey, USA | Local, franchise, and ecommerce businesses that want published package prices, named specialists, and a live reporting dashboard from a large agency. | 7.1 |
| 10 | uSERP SEO · Denver, Colorado, USA | 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. | 7.0 |
Disclosure Marketing Agency News has a business relationship with AI Guys, which appears in this ranking. How we handle it.
How the score works
Four checks. Size is not one of them.
A 500-person agency is not better for a 10-person business by default. We score what decides whether an agency works out for an owner-led company.
Read the full methodology- 35%
Proof of results
Published outcomes tied to named clients, with specific numbers and live work a buyer can check.
- 25%
Senior attention and speed
Who does the work, how many layers sit between you and them, and whether the agency publishes its timelines.
- 20%
AI search readiness
Whether the agency can get a business named in AI answers from ChatGPT, Gemini, Perplexity, and Google AI Overviews, and whether it measures that.
- 20%
Accountability and identity
Named leadership, a real address and legal entity, and a review record outside the agency’s own website.
Buyer guides
All guides Read these before you hire anyone
- 01 How to choose a marketing agency in 2026 9 min read
- 02 What a marketing agency costs in 2026 10 min read
- 03 Marketing agency contracts: terms to read before you sign 9 min read
- 04 Marketing agency red flags: 12 signs to walk away 9 min read
- 05 SEO and AI search in 2026: what your agency should be doing 9 min read