Your Guide to the Top LLM SEO Agencies of 2025
The world of search is experiencing its most significant transformation in over a decade. The simple list of blue links is fading, replaced by direct, conversational answers delivered by AI assistants like Gemini, ChatGPT, and integrated AI Overviews. For businesses, this marks a critical inflection point: if you're not optimized for how Large Language Models (LLMs) find and process information, you risk becoming invisible.
LLM SEO, also known as Generative AI Optimization (GAIO), is the new essential discipline for securing digital relevance. It moves beyond traditional keywords to focus on building verifiable authority, structuring data for machine readability, and becoming a trusted source that AI is compelled to cite.
This guide highlights the agencies at the forefront of this new frontier, helping you choose the right partner to secure your brand's future.
Leading the Charge: The Innovators in LLM SEO
The agencies below are distinguished by their forward-thinking methodologies, proprietary technologies, and proven ability to adapt client strategies for the conversational search era.
| Agency | Specialization / Key Focus | Key Services | Contact Details |
As a pioneer in the field, Mercury Technology Solution has developed a uniquely integrated approach to Generative AI Optimization (GAIO). Their philosophy is built on making brands the authoritative source of the answer, not just a mention within it. | GAIO for SaaS, E-commerce, and SMEs; Structured Data CMS with Embedded SEO (Mercury CMS Solution + SEO Generator); AI-Assisted, Data-Driven Content Creation (Mercury ContentFlow AI Suite). Ideal For: Businesses seeking a complete, technology-powered solution to build lasting authority across the entire digital ecosystem, from search engines to social platforms and AI chatbots. | Website: mtsoln.com | |
| LenGreo | AI-First Content Architecture and Generative Engine Optimization (GEO). | LLM-Focused SEO, B2B Digital Marketing, Paid Ads, AI-Enhanced Lead Generation. | Website: lengreo.com Email: [email protected] Phone: +31 686 147 566 Location: Netherland |
| Growth Marshal | Aligning brand credibility with AI trust signals; mapping entities and optimizing structured data. | LLM SEO strategy, Entity and semantic optimization, AI citation monitoring, Multi-platform authority outreach. | Website: growthmarshal.io Email: [email protected] Phone: (914) 338-8027 Location: USA |
| Coalition Technologies | Enterprise-grade, large-scale, and multilingual LLM optimization for startups to Fortune 500 companies. | Global LLM SEO campaigns, Schema and structured data engineering, Knowledge graph alignment. | Website: coalitiontechnologies.com Email: [email protected] Phone: (310) 827-3890 Location: USA |
| Soar | Leveraging community-driven visibility (forums, Q&A) to influence AI knowledge bases, especially in niche B2B and tech. | Conversational footprint development, High-authority link generation, Structured Q&A content, Answer Engine Optimization (AEO). | Website: soar.sh Email: [email protected] Phone: +1 (888) 646‑0626 Location: USA |
| NoGood | Merging performance marketing insights with LLM-focused SEO for retail and SaaS markets. | LLM SEO audits, AI mentions and sentiment tracking, Platform-agnostic keyword targeting. | Website: nogood.io Email: [email protected] Phone: +1 (347) 709-6142 Location: USA |
| OMNIUS | Semantic and entity-based optimization for brands where accuracy and authority are critical, particularly in SaaS and enterprise. | Entity-based SEO, Knowledge graph integration, Structured data enhancements, AI visibility audits. | Website: omnius.com Email: [email protected] Phone: +44 20 1234 5679 Location: UK |
| Jason Shaffer Group | Nimble, cost-effective LLM SEO solutions with a focus on rapid implementation for small to mid-sized businesses. | LLM SEO campaign design, On-page and technical AI optimization, Integrated PPC and AI SEO strategies. | Website: jasonshaffer.net Email: [email protected] Phone: (717) 585-0010 Location: USA |
| First Page Sage | Long-term organic marketing blending SEO with human-written, AI-researched content for thought leadership. | SEO content strategy, B2B lead generation, Thought leadership development, Whitepapers, Technical SEO. | Website: firstpagesage.com Phone: 855-888-7243 Location: USA |
| Doc Digital SEM | Precision-focused LLM SEO for complex and regulated industries, balancing compliance with reach. | LLM SEO and technical reviews, AI keyword research, Schema and structured data deployment, Industry-specific content. | Website: docdigitalsem.com Email: [email protected] Phone: +1 (786) 655-8843 Location: USA |
| Embarque | Building semantically rich content ecosystems grounded in editorial excellence and technical optimization. | AI-content strategy, Schema and structured data, Topic clustering for domain authority, Citation tracking. | Website: embarque.io Email: [email protected] Phone: +44 20 1234 5680 Location: UK |
| Stella Rising | Blending creative storytelling with LLM SEO expertise to elevate brand narratives in AI search. | LLM SEO strategy for consumer brands, Authority link building and influencer outreach, Digital PR integration. | Website: stellarising.com Email: [email protected] Phone: (310) 394-3300 Location: USA |
| Novus | Scaling LLM SEO using an advanced, multi-agent AI platform for brands with extensive content needs. | Automated LLM SEO workflows, Multi-agent content orchestration, Structured data and schema management. | Website: novusasi.com Email: [email protected] Phone: (415) 555-7890 Location: USA |
| Teikametrics | Marketplace SEO tailored for AI algorithms to achieve top placement in AI-driven product recommendations. | Marketplace LLM SEO, AI-ready product content creation, Keyword targeting for AI recommendations, AI commerce reporting. | Website: teikametrics.com Email: [email protected] Phone: (617) 817-2900 Location: USA |
| MacRAE’S | Combining deep B2B marketing experience with LLM SEO for technical and service-based brands. | LLM SEO for industrial brands, Structured data engineering, Technical content enhancement, Industry-specific glossary creation. | Website: macraes.com Email: [email protected] Phone: 1-877-629-6104 Location: USA |
How to Choose Your LLM SEO Partner?
Navigating this new field can be challenging. As you evaluate potential partners, ask these critical questions:
- Do they have a clear, proprietary methodology? Look for a structured framework (like Mercury's A.C.I.D.) that goes beyond buzzwords and outlines a clear path to building authority.
- Is their strategy powered by technology? The scale of LLM optimization requires more than just manual effort. An integrated tech stack for content and infrastructure management is a significant advantage.
- Do they have a holistic vision? Your brand exists across many channels. Your partner should have a strategy (like SEvO) to build and project authority everywhere your customers are searching.
- Do they focus on E-E-A-T? The core of LLM trust is Experience, Expertise, Authoritativeness, and Trustworthiness. Ensure this is central to their strategy.
Secure Your Future in the Age of AI Search.
The shift to conversational AI is redrawing the map for digital visibility. Choosing the right partner is not just a marketing decision; it's a core business strategy for future growth. The agencies listed here are leading the way, but the most effective approach is one that integrates strategy, technology, and a forward-looking vision into a single, powerful system.
At Mercury Technology Solution, we built our entire GAIO service on this principle.