The premier generative engine optimization agencies in the United States focus on visibility within AI summaries and conversational answer engines. Rather than chasing traditional keyword rankings, top-tier firms target neural retrieval processes and machine-readable data structures. This shift ensures brands are cited directly by major large language models.
Leading boutique and enterprise agencies across tech hubs like San Francisco, Austin, and New York stand out by integrating technical entity alignment with digital PR. Their strategies transform standard content into verified authority signals that AI crawlers prioritize. By leveraging custom data-tracking tools and syncing optimization schedules directly with client developer sprints, these US firms help modern businesses secure foundational real estate within the rapidly evolving AI-driven search ecosystem.
Intero Digital

This agency navigates the shift in search behavior through its proprietary Intero GRO™ (Generative Response Optimization) system. They specialize in positioning brands to be sourced by engines like ChatGPT and Google Gemini. Intero Digital combines technical infrastructure, entity-focused writing, and digital PR to weave businesses into the core datasets that AI tools rely on for answers.
Location: Colorado Springs, Colorado Year Founded: 1996 Employees: 250 - 450 Contact Info: (866) 897-5011 / info@interodigital.com
Seer Interactive

Seer Interactive leverages massive data analysis to build search strategies focused on actual human behavior rather than just algorithm chasing. Powered by their custom SeerSignals tool, they dissect billions of data points to deliver targeted growth blueprints for SaaS, finance, and healthcare brands. Their approach relies on deep audience insights, technical precision, and strategic content updates to reverse traffic drops and lift conversion rates.
Location: Philadelphia, PA Year Founded: 2002 Employees: 150 - 249 Contact Info: (215) 967-4461 / info@seerinteractive.com
CSP Agency

Operating out of Colorado, CSP Agency focuses on a “Human-First” approach to GEO. They connect traditional search principles with AI discovery by centering their work on earned media, owned assets, and digital accessibility. Their tailored roadmaps align technical entities and authoritative content to ensure brands earn direct citations within LLMs.
Location: Golden, CO Year Founded: 2012 Employees: 30 - 49 Contact Info: 720-874-9786
Go Fish Digital

Go Fish Digital operates as a full-service marketing ally, offering GEO alongside standard SEO, paid advertising, PR, and online reputation management. They use data-backed insights to pivot quickly, ensuring campaigns remain effective as search technology evolves.
Location: Raleigh, NC Year Founded: 2005 Employees: 250 - 350 Contact Info: +1 (703) 596-1353 / info@gofishdigital.com
97th Floor

Trusted by major enterprises like Amazon and Dell, 97th Floor focuses on highly targeted SEO strategies over generic checklists. They utilize advanced topic clusters and custom site migration frameworks to uncover untapped organic traffic. Their GEO capabilities guarantee brand visibility across legacy search engines and modern AI tools alike, integrating smoothly with developer workflows to resolve complex site architecture issues.
Location: Lehi, UT Year Founded: 2005 Employees: 150 - 249 Contact Info: +1 (801) 341-1986
M16 Marketing

M16 Marketing utilizes its proprietary PIEARM.AI framework to transition clients into the era of “Search 3.0.” Their GEO services center on Answer Engine Optimization (AEO), which reframes standard web content into data structures that conversational models favor. By building deep entity authority, they ensure businesses are cited as trusted primary sources by engines like Gemini and ChatGPT.
Location: Atlanta, GA Year Founded: 2013 Employees: 30 - 49 Contact Info: (404) 407-5500 / info@m16marketing.com
WebFX

WebFX guides businesses through shifting digital trends with a seasoned team focused on AI-driven search. They have a long history of placing brands within major AI discovery platforms, contributing to over $10 billion in client revenue. The agency blends established SEO practices with modern generative engine optimization.
Location: Harrisburg, PA Year Founded: 1996 Employees: 250 - 450 Contact Info: (717) 609-0360 / info@webfx.com
Hawk Web Marketing

This agency adapts traditional organic search methods for the AI era. Their strategy revolves around formatting data to match how LLMs retrieve information. By prioritizing conversational search patterns and clear entity relationships, they position brands to be featured directly inside AI summaries and chat responses.
Location: Covington, GA Year Founded: 2012 Employees: 5 - 10 Contact Info: (678) 658-6838 / info@hawkwebmarketing.com