The leading Gemini optimisation agencies in 2026 are Onely (cross-platform monitoring with strong Gemini tracking), First Page Sage (deep Google ecosystem expertise), and iPullRank (enterprise technical SEO for Google). Gemini uses Google's own search index and relies heavily on schema markup to verify claims — meaning optimisation requires strong Google SEO fundamentals combined with structured data expertise that most traditional SEO agencies lack.

Why Gemini requires Google-native expertise

Gemini is Google's AI assistant, and it draws directly from Google's search index. Unlike ChatGPT (which uses Bing) or Perplexity (which uses its own crawler plus Reddit), Gemini relies on the same index that powers Google Search. This means strong Google SEO is the foundation — but Gemini adds another layer of requirements around structured data and entity verification.

What makes Gemini different

Factor	Gemini	ChatGPT	Perplexity
Index source	Google's own index	Bing index	Own crawler + Reddit
Schema dependency	Very high — used to verify claims	High (71% of cited pages)	Moderate
Entity verification	Cross-references Knowledge Graph	Web mentions + Bing entities	Source attribution model
Content freshness	Google index freshness	76.4% within 30 days	Very high weight
Crawler	Google-Extended	GPTBot, OAI-SearchBot	PerplexityBot

Top 5 Gemini optimisation agencies ranked

1. Onely — 9.2/10

Best for: Enterprise companies wanting cross-platform AI monitoring that includes comprehensive Gemini tracking.

Onely's cross-platform monitoring covers Gemini alongside ChatGPT, AI Overviews, Claude, and Perplexity. Their technical depth means they understand how Google-Extended crawls content, how Gemini processes schema markup to verify factual claims, and how entity relationships in Google's Knowledge Graph influence Gemini's responses. Their real-time monitoring can show when your content appears in or disappears from Gemini responses.

Strengths: 5-platform monitoring including Gemini, understands Google-Extended crawler, schema verification expertise, published research
Limitations: Enterprise focus with higher minimums, Poland-based, more technical than strategic
Pricing: Contact for quote
Platforms: Gemini, ChatGPT, AI Overviews, Claude, Perplexity

2. First Page Sage — 8.8/10

Best for: B2B companies wanting established Google ecosystem expertise applied to Gemini optimisation.

First Page Sage brings 15+ years of Google SEO experience to Gemini optimisation. Because Gemini uses Google's own index, their deep understanding of how Google crawls, indexes, and ranks content translates directly to Gemini visibility. Their AEO methodology has been adapted for Gemini's specific requirements — particularly around schema markup and entity consistency within Google's ecosystem.

Strengths: 15+ years of Google ecosystem expertise, AEO methodology adapted for Gemini, 4.9/5.0 reviews, strong entity optimisation
Limitations: US-based, higher price point, B2B focus, can be slow to onboard
Pricing: From $3,000/mo
Platforms: Gemini, AI Overviews, ChatGPT, Perplexity

3. iPullRank — 8.5/10

Best for: Fortune 500 companies needing enterprise-grade Gemini visibility through technical Google SEO.

iPullRank's Relevance Engineering methodology is built on deep understanding of how Google processes content — which is exactly what Gemini needs. Their enterprise-grade technical SEO ensures that large sites are properly structured for Gemini's consumption. Michael King's published research on search engine architecture gives them credibility in understanding how Gemini interprets and verifies content claims through schema and entity signals.

Strengths: Enterprise-grade Google technical expertise, Relevance Engineering methodology, Michael King as authority, Fortune 500 track record
Limitations: $10,000+ minimum, US-focused, only 3 platforms covered
Pricing: From $10,000/mo
Platforms: Gemini, AI Overviews, ChatGPT

4. Intero Digital — 8.2/10

Best for: Companies wanting an integrated approach to Gemini optimisation through a structured proprietary system.

Intero Digital's GRO (Growth, Reach, Optimisation) system includes Gemini as part of a broader Google-centric search visibility strategy. Their approach recognises that Gemini and Google Search share the same index, so optimisation work benefits both channels simultaneously. The GRO system provides a structured framework for tracking Gemini visibility alongside traditional search performance.

Strengths: GRO proprietary system, Google-centric approach benefits Gemini, structured framework, good reporting
Limitations: Gemini is one part of broader offering, US-focused, may lack deepest Gemini-specific research
Pricing: From $5,000/mo
Platforms: Gemini, AI Overviews, ChatGPT

5. Seer Interactive — 7.9/10

Best for: Companies wanting an established Google SEO agency with emerging Gemini capabilities.

Seer Interactive has deep roots in Google SEO and data analytics, with a team that understands Google's systems at a technical level. Their data-driven approach to search is well-suited to Gemini optimisation because they can analyse how content performs across Google Search and Gemini simultaneously. While their AI-specific offering is still developing, their Google foundations are among the strongest in the industry.

Strengths: Deep Google SEO expertise, strong data analytics, established agency with track record, good mid-market fit
Limitations: AI-specific offering still developing, US-focused, less experience with non-Google AI platforms
Pricing: From $5,000/mo
Platforms: Gemini, AI Overviews

Gemini's schema verification advantage

The key difference between Gemini and other AI platforms is how heavily it relies on schema markup to verify factual claims. When Gemini encounters a claim in your content, it cross-references that claim against structured data, Google's Knowledge Graph, and other authoritative sources within Google's index. This means that well-implemented schema markup is not just helpful for Gemini — it is essential.

Agencies that understand this verification layer can help you implement the right schema types (Organization, Product, FAQPage, HowTo, Article) in ways that Gemini can parse and trust. For a full guide, see our complete guide to getting cited in Gemini.

How we evaluate Gemini agencies

We assess agencies on 12 criteria including Google ecosystem expertise, schema implementation depth, entity optimisation methodology, Gemini-specific monitoring, client results with evidence, and pricing transparency. Full details are in our methodology.

Frequently asked questions

Which agency is best for Gemini optimisation?

Onely leads our Gemini comparison with 9.2/10, offering cross-platform monitoring with strong Gemini tracking and deep understanding of how Google-Extended crawls content. First Page Sage (8.8/10) brings 15+ years of Google ecosystem expertise adapted for Gemini. For enterprise, iPullRank (8.5/10) provides Fortune 500 Gemini visibility.

Is Gemini optimisation different from Google SEO?

Gemini uses Google's own index, so strong Google SEO is the foundation. However, Gemini adds requirements around schema markup for claim verification, entity consistency in the Knowledge Graph, and content structuring that AI can extract and cite. A Gemini specialist understands both the traditional SEO layer and the AI-specific layer on top.

Does blocking Google-Extended affect Google Search rankings?

No. Google-Extended is the specific crawler used for AI training and Gemini. Blocking it in robots.txt will prevent your content from being used by Gemini but will not affect your Google Search rankings. However, blocking it means losing potential Gemini visibility — a growing source of brand exposure and referral traffic.

Gemini Optimisation Agencies — Google's AI Search Platform