18 Best ChatGPT Marketing Agencies in the USA (2026)

Lengreo combines AI search optimization with B2B marketing, SEO, paid advertising, content, demand generation, and outbound lead generation. Its AI-focused work covers Answer Engine Optimization (AEO), Generative Engine Optimization (GEO), and strategies designed to improve how businesses appear in ChatGPT and other conversational search platforms.
The agency is particularly relevant to B2B, SaaS, software development, cybersecurity, biotech, fintech, and ecommerce companies. Although its listed offices are in Europe, Lengreo works with US businesses and adapts campaigns to American search behavior, buyer intent, and competitive conditions.

Key Facts

• Best for: B2B companies combining ChatGPT visibility with lead generation
• Core services: ChatGPT marketing, AI SEO, AEO, SEO, paid advertising, content marketing, appointment setting
• Specialization: Integrated search and demand generation campaigns
• Industries: B2B, SaaS, software, cybersecurity, biotech, fintech, ecommerce
• Market coverage: United States and international markets

Contact Information

• Website: Lengreo.com
• Phone: +31 686 147 566
• Email: [email protected]
• Address: Vrijstraat 9 C/D, 5611 AT Eindhoven, Netherlands
• LinkedIn: Lengreo
• Twitter: @Lengreo
• Instagram: @lengreo

NoGood runs a dedicated Answer Engine Optimization practice for brands seeking recommendations and citations in ChatGPT, Gemini, Perplexity, Google AI Overviews, and other AI-powered discovery platforms. Its approach connects AEO with content, SEO, experimentation, analytics, and wider growth marketing programs.
The New York-based agency works mainly with startups, scale-ups, technology companies, and consumer brands. It may suit teams that want ChatGPT marketing to operate alongside paid acquisition, conversion optimization, lifecycle marketing, and creative testing rather than as a separate search project.

Key Facts

• Best for: Startups and growth-stage businesses
• Core services: AEO, SEO, content, paid media, conversion optimization, analytics
• Specialization: Multi-channel growth strategies incorporating AI search
• Client types: Technology companies, startups, consumer brands
• Location: New York, New York

Contact Information

• Website: nogood.io  
• E-mail: [email protected]
• Facebook: www.facebook.com/nogood.io
• LinkedIn: www.linkedin.com/company/nogood
• Instagram: www.instagram.com/nogood.io
• Address: 491 Broadway, 2nd Floor, New York, NY 10012, United States

Itexus combines custom software development, AI solutions, digital product engineering, and technology consulting to help businesses build and scale digital products. Its work with North American and US companies makes the agency relevant to ChatGPT marketing initiatives where AI-powered products, automation, data platforms, and customer-facing applications need to support broader business and marketing goals.

The company works across fintech, healthcare, retail, insurance, and other technology-driven industries. For businesses using ChatGPT as part of customer engagement, AI-powered services, or digital acquisition, Itexus can combine software engineering and AI capabilities with the development of the underlying technology needed to support these initiatives.

Key Facts

• Best for: Businesses combining ChatGPT marketing with custom software and AI development
• Core services: AI development, custom software development, digital product engineering, automation, technology consulting
• Specialization: AI-powered digital products and business software
• Industries: Fintech, healthcare, insurance, retail, and technology
• Market coverage: United States, North America, and international markets

Contact Information

• Website: itexus.com 
• E-mail: [email protected]    
• Facebook: www.facebook.com/itexus 
• Twitter: x.com/ItexusSoft 
• LinkedIn: www.linkedin.com/company/itexus 
• Instagram: www.instagram.com/itexus.soft 
• Address: 8, The Green, STE road, Dover, DE 19901, United States 

First Page Sage approaches generative engine optimization through thought leadership, editorial content, SEO, and conversion-focused website strategy. Its GEO service is designed to help companies become credible sources that platforms such as ChatGPT, Gemini, Claude, and Perplexity can reference in generated answers.
The agency concentrates heavily on B2B and high-consideration industries. Its service portfolio includes programs for SaaS, financial services, healthcare, law firms, real estate, manufacturing, and other sectors where buyers conduct detailed research before contacting a provider.

Key Facts

• Best for: B2B companies with long or research-heavy buying cycles
• Core services: GEO, SEO strategy, thought leadership, content production, conversion optimization
• Specialization: Authority-based content for organic and AI search
• Industries: SaaS, finance, healthcare, legal, real estate, manufacturing
• Market coverage: United States

Contact Information

• Website: firstpagesage.com 
• Address: 2930 Domingo Ave. #174, Berkeley, CA 94705, USA 
• Phone: 8558887243

iPullRank brings a deeply technical perspective to ChatGPT and generative search marketing. Its services include generative engine optimization, AI search strategy, relevance engineering, technical SEO, content engineering, and audience-focused content strategy.
The agency examines how AI systems retrieve, interpret, and reuse information rather than concentrating only on conventional keyword rankings. That technical depth makes it a sensible candidate for enterprise websites, complex content libraries, and organizations that need detailed analysis of their information architecture and entity signals.

Key Facts

• Best for: Enterprises with technically complex websites
• Core services: GEO, AI search strategy, technical SEO, content engineering, content strategy
• Specialization: Relevance engineering and information retrieval
• Client types: Enterprise and mid-market organizations
• Location: New York, New York

Contact Information

• Website: ipullrank.com 
• E-mail: [email protected]
• Twitter: x.com/ipullrank
• LinkedIn: www.linkedin.com/company/ipullrank
• Address: 222 Broadway, 19th Floor, New York, NY 10038, USA

Siege Media integrates generative engine optimization into content strategy, digital PR, SEO consulting, and link acquisition. Its GEO programs address both on-site information and the third-party sources that influence whether a brand is cited in ChatGPT and other AI-generated results.
Content remains central to the agency’s model. Teams can use Siege Media for editorial production, data-led assets, product-focused SEO, community visibility, and authority building. Its published areas of experience include SaaS, fintech, ecommerce, and health, making the agency more suitable for companies prepared to invest in an ongoing organic growth program.

Key Facts

• Best for: Brands investing in content-led AI visibility
• Core services: GEO, content strategy, SEO, digital PR, link building, content design
• Specialization: Building citation-worthy content and off-site authority
• Industries: SaaS, fintech, ecommerce, health
• US presence: Austin, San Francisco, Chicago, and New York

Contact Information

• Website: www.siegemedia.com
• E-mail: [email protected]
• Twitter: x.com/siegemedia
• LinkedIn: www.linkedin.com/company/siege-media
• Address: 1920 E. Riverside Dr #A-120 Austin, TX 78741 
• Phone: 5127102510

Directive provides GEO and AEO services specifically for B2B organizations. Its work focuses on helping large language models retrieve, understand, and cite company content while tying that visibility to demand generation and revenue.
The agency combines entity optimization, technical improvements, structured data, content strategy, paid media, and measurement. This B2B concentration is useful for SaaS and technology marketers whose buyers use ChatGPT during product research but still move through a longer sales process involving several channels and decision-makers.

Key Facts

• Best for: B2B SaaS and technology companies
• Core services: GEO, AEO, SEO, content strategy, paid media, entity optimization
• Specialization: Customer-led AI search strategy connected to revenue
• Client types: B2B and SaaS organizations
• US presence: California and New York

Contact Information

• Website: directiveconsulting.com 
• E-mail: [email protected]
• Facebook: www.facebook.com/directiveconsulting
• Twitter: x.com/directiveagency
• LinkedIn: www.linkedin.com/company/directive-consulting
• Instagram: www.instagram.com/directiveconsulting
• Address: 2710 E Adams Ave., Orange, CA 92867, USA 
• Phone: 949-214-4024

Omniscient Digital works with B2B brands that want AI search and content marketing connected to qualified pipeline. Its generative engine optimization engagements can include AI visibility research, content strategy, technical SEO, content production, digital PR, and link acquisition.
Rather than treating mentions in ChatGPT as the final objective, the agency considers how AI discovery fits into the wider buyer journey. Full-service engagements are aimed at companies with established marketing programs and the budget for sustained editorial and organic growth work.

Key Facts

• Best for: B2B SaaS companies measuring organic work against pipeline
• Core services: GEO, SEO strategy, content production, technical SEO, digital PR
• Specialization: Revenue-focused organic growth
• Client types: B2B software and technology companies
• Location: United States, remote and distributed team

Contact Information

• Website: beomniscient.com 
• E-mail: [email protected]
• LinkedIn: www.linkedin.com/company/omniscient-digital
• Address: 2025 Guadalupe Street Suite 260 Austin, Texas 78705 

WebFX supports AI search visibility as part of a large digital marketing service portfolio. Its capabilities cover generative engine optimization, brand discovery in AI search, SEO, content marketing, digital PR, paid media, conversion optimization, and marketing analytics.
The agency is equipped for businesses that want to coordinate ChatGPT marketing with existing search and advertising activity. Its scale also allows companies to access specialists across several channels, although smaller organizations looking for a narrowly focused consulting engagement may prefer a more specialized boutique.

Key Facts

• Best for: Companies needing a broad digital marketing team
• Core services: GEO, SEO, content marketing, digital PR, paid media, analytics
• Specialization: Multi-channel marketing supported by proprietary technology
• Client types: Small businesses, mid-market companies, and enterprises
• Location: Harrisburg, Pennsylvania

Contact Information

• Website: www.webfx.com
• E-mail: [email protected]
• Facebook: www.facebook.com/webfxinc
• Twitter: x.com/webfx
• LinkedIn: www.linkedin.com/company/webfxinc
• Instagram: www.instagram.com/webfx
• Address: 1705 North Front Street Harrisburg, PA, USA 
• Phone:  888-874-2601

Coalition Technologies develops custom websites and digital solutions that combine web development with online marketing services. The company creates websites for businesses that need tailored functionality, including eCommerce platforms, business websites, and solutions connected with SEO, paid advertising, and conversion optimization.

The team works through research, analysis, planning, design, development, and testing stages to create websites based on specific business requirements. Coalition Technologies works with platforms such as WordPress, Shopify, BigCommerce, and Magento, adapting websites for different industries and digital goals.

Key Highlights:

• Creates custom websites instead of template-based solutions
• Combines web development with digital marketing services
• Works on eCommerce and business website projects
• Focuses on usability, functionality, and website structure
• Develops solutions for different industries
• Works with multiple eCommerce and CMS platforms

Services:

• Custom web development
• Web design
• eCommerce website development
• WordPress development
• Shopify development
• Magento development
• SEO services
• Conversion rate optimization

Contact Information:

• Website: coalitiontechnologies.com
• Email: [email protected]
• Facebook: www.facebook.com/CoalitionTech
• Twitter: x.com/coalitiontech
• LinkedIn: www.linkedin.com/company/coalition-technologies
• Instagram: www.instagram.com/coalitiontech
• Address: 515 S Flower St, 18th Floor, Suite #4081, Los Angeles, CA, United States
• Phone: (888) 743-1021

Single Grain provides generative engine optimization for companies seeking visibility across ChatGPT, Google AI Overviews, Gemini, and Perplexity. Its services include AI-citable content, structured data, authority building, technical SEO, and performance measurement.
The agency’s wider capabilities span paid acquisition, content, conversion optimization, and growth strategy. That breadth makes it relevant to companies that want to connect organic ChatGPT visibility with other customer acquisition channels. Single Grain has a particularly strong focus on technology, SaaS, and growth-oriented businesses.

Key Facts

• Best for: Technology businesses combining GEO with growth marketing
• Core services: GEO, SEO, structured data, content, paid media, conversion optimization
• Specialization: AI answer visibility tied to qualified traffic
• Industries: SaaS, technology, ecommerce
• Location: Los Angeles, California

Contact Information

• Website: www.singlegrain.com
• E-mail: [email protected]
• Facebook: www.facebook.com/singlegrain
• Twitter: x.com/singlegrain
• LinkedIn: www.linkedin.com/company/single-grain-llc
• Address: 1001 Wilshire Boulevard, Los Angeles, CA 90017, United States 
• Phone:  +1 (855) 883-0011 

Avenue Z combines AI search optimization with public relations, media strategy, content, and digital authority building. Its AI optimization work examines how brands are represented and recommended across ChatGPT, Perplexity, Gemini, and similar platforms.
This communications-led approach differs from agencies focused mainly on website SEO. Avenue Z can address the external articles, media coverage, executive visibility, and brand narratives that shape how generative systems understand a company. Its published industry focus includes fintech, emerging technology, venture capital, private equity, B2B, and direct-to-consumer ecommerce.

Key Facts

• Best for: Brands combining AI visibility with PR and reputation work
• Core services: AI optimization, SEO, PR, media relations, content strategy
• Specialization: Brand authority across earned media and generative search
• Industries: Fintech, technology, B2B, venture capital, ecommerce
• US presence: New York, Miami, and Orlando

Contact Information

• Website: avenuez.com 
• E-mail: [email protected] 
• Twitter: x.com/avenuez_network
• LinkedIn: www.linkedin.com/company/avenue-z
• Instagram: www.instagram.com/avenue.z
• Address: 156 5th Avenue New York, NY 

Graphite is a research-driven growth agency working across Answer Engine Optimization, SEO, content, and performance marketing. It studies how generative platforms select and present information, then uses those findings to guide organic growth programs.
Its portfolio and positioning lean toward technology companies with established products and substantial search opportunities. Graphite may be a better fit for teams seeking experimentation, technical analysis, and scalable acquisition systems than businesses needing a basic content package. Published client examples include Webflow, n8n, and Hinge Health.

Key Facts

• Best for: Product-led technology companies
• Core services: AEO, SEO, content strategy, performance marketing, growth research
• Specialization: Research-based organic growth systems
• Client types: Technology companies and digital products
• Location: San Francisco, California

Contact Information

• Website: graphite.io 
• E-mail: [email protected]
• LinkedIn: www.linkedin.com/company/graphite-growth
• Address: 51 Sharon Street, San Francisco, CA 94114, USA 

NP Digital treats AI search optimization as part of earned media and organic discovery. Its process begins with an audit of how a brand appears across ChatGPT, Gemini, Perplexity, and Google AI experiences, followed by analysis of content gaps, technical SEO, backlinks, and brand mentions.
The agency also provides conventional SEO, content marketing, digital PR, paid media, and data-driven marketing services. Its international footprint and broad delivery capacity make it relevant to large organizations that need ChatGPT marketing coordinated across markets, websites, and internal teams.

Key Facts

• Best for: Enterprise and multi-market marketing programs
• Core services: AI search optimization, SEO, content marketing, digital PR, paid media
• Specialization: Integrated earned and paid media
• Client types: Mid-market and enterprise brands
• US headquarters: San Diego, California

Contact Information

• Website: npdigital.com 
• E-mail: [email protected] 
• Facebook: www.facebook.com/NPDigitalUS
• Twitter: x.com/neilpatel
• LinkedIn: www.linkedin.com/company/npdigital
• Instagram: www.instagram.com/npdigitalglobal
• Address: 750 B St. SUITE 1400 San Diego, CA 92101 
• Phone: (858) 437-9102 

Intero Digital includes generative engine optimization within its search and AI visibility services. Its framework covers technical SEO, content clarity, topical authority, digital PR, and citation potential across ChatGPT, Gemini, Perplexity, Google AI Overviews, and other emerging platforms.
The agency also handles paid media, creative work, Amazon marketing, social media, and traditional SEO. This makes it a practical option for small and mid-market companies that prefer one agency to manage several acquisition channels while adding AI search to an existing digital strategy.

Key Facts

• Best for: Small and mid-market businesses
• Core services: GEO, SEO, content strategy, digital PR, paid media
• Specialization: Search and AI visibility within full-service marketing programs
• Client types: Companies across multiple consumer and B2B industries
• Location: Colorado Springs, Colorado

Contact Information

• Website: www.interodigital.com
• E-mail: [email protected] 
• Facebook: www.facebook.com/interodigital
• Twitter: x.com/interodigital
• LinkedIn: www.linkedin.com/company/interodigital
• Instagram: www.instagram.com/interodigital
• Address: 1175 Kelly Johnson Blvd, Suite 122, Colorado Springs, CO 80920
• Phone: (719) 725-6400

Direct Online Marketing, commonly known as DOM, provides GEO services for ChatGPT, Gemini, Claude, Perplexity, Copilot, and Google AI experiences. The agency combines AI-focused optimization with technical SEO, content development, digital advertising, analytics, and conversion work.
DOM emphasizes human editorial oversight alongside AI-supported research and production. It also offers sector-specific GEO guidance for areas such as healthcare, financial services, and manufacturing. Its US offices and experience with international campaigns make it suitable for organizations that need domestic execution with broader market coverage.

Key Facts

• Best for: Mid-market companies seeking hands-on GEO support
• Core services: GEO, SEO, content marketing, paid search, analytics, conversion optimization
• Specialization: Human-directed content and AI search visibility
• Industries: Healthcare, financial services, manufacturing, B2B
• US presence: Pittsburgh, Wheeling, and Chicago

Contact Information

• Website: www.directom.com
• E-mail: [email protected]
• Facebook: www.facebook.com/directom
• Twitter: x.com/directom
• LinkedIn: www.linkedin.com/company/direct-online-marketing
• Instagram: www.instagram.com/directonlinemarketing
• Address: 4117 Liberty Ave. Pittsburgh, PA 15224 
• Phone:  1-412-785-7671 

21century.tech is an AI-native software studio that can support ChatGPT marketing initiatives from the technology side. Rather than positioning itself as a traditional SEO or digital marketing agency, the company builds production software, AI-powered features, integrations, MVPs, and web applications that can support modern AI-driven customer experiences and marketing workflows.

The studio pairs senior engineers with AI tools such as Claude throughout the development process, while keeping architecture, business logic, code review, security, and final accountability under human control. This approach can be relevant to companies that want to turn ChatGPT or other AI concepts into working products, customer-facing features, internal automation, or digital experiences. 

Key Facts

• Best for: Businesses that need technical implementation for AI and ChatGPT-related initiatives
• Core services: AI-augmented software development, MVP development, full-stack development, integrations, legacy refactoring
• Specialization: Production software built with senior engineers and AI-assisted development
• Client needs: AI-powered products, automation, digital experiences, MVPs, and software modernization
• US presence: Miami, Florida, with a remote-first delivery model

Contact Information

• Website: 21century.tech
• E-mail: [email protected]

A-listware approaches ChatGPT marketing from the technology and AI implementation side rather than as a traditional GEO or content marketing agency. The company provides AI consulting and development services that can help businesses build intelligent customer-facing applications, virtual agents, personalization engines, and other AI-powered solutions supporting modern marketing and customer engagement.

Its AI and machine learning capabilities include natural language processing, virtual agents, predictive and prescriptive analytics, personalization, speech recognition, and voice-controlled search. These technologies can support ChatGPT-related initiatives by providing the underlying software, automation, data infrastructure, and customer experience components needed to turn AI concepts into functional business applications.

Key Facts

• Best for: Businesses combining ChatGPT initiatives with AI development and custom software
• Core services: AI consulting, AI/ML development, natural language processing, virtual agents, data analytics, custom software development
• Specialization: AI-powered applications, automation, personalization, and customer experience platforms
• Industries: Fintech, banking, insurance, healthcare, retail, marketing and advertising, manufacturing, logistics
• US presence: North Bergen, New Jersey, United States

Contact Information

• Website: a-listware.com  
• E-mail: [email protected] 
• Facebook: www.facebook.com/alistware
• LinkedIn: www.linkedin.com/company/a-listware
• Address: North Bergen, NJ 07047, USA 
• Phone: +1 (888) 337 93 73