B2B marketing is in the middle of a shift. Google’s AI Overviews are reshaping SERPs, while ChatGPT and Perplexity are becoming research tools for decision makers. Your buyers aren’t just typing into Google anymore, they’re asking AI systems which vendors they should consider.

That means AI SEO is now a core demand capture channel. To win pipeline, your content and website need to be optimized not only for keywords but for generative engines that surface direct answers.

The agencies below are helping B2B companies adapt. Each brings a different strength, but all are focused on building visibility and trust in the age of AI search.

Methodology

The companies below were selected based upon a combination of factors, including:

  • Experience working with B2B companies, and a history of delivering positive business results

  • Offering of a specific AI search service within their full package of services

  • Frequency and quality of mentions in authoritative reference points, such as industry-recognized websites, user generated content platforms like Reddit, and review websites

  • Boasting unique strengths and buyer profiles relative other companies on the list

1. Mark Sourced

Mark Sourced offers the options of engaging them as a consultancy and/or an agency in that they can advise on AI SEO best practices or help you build the content you need to succeed in AI SEO. Founded by Dan Payne, a veteran B2B demand gen marketer, the agency focuses on capturing bottom-of-funnel demand in AI search.

Unlike larger agencies, Mark Sourced provides hands-on execution and custom playbooks that B2B marketers can implement immediately to win pipeline from AI search.

Best for: B2B companies seeking a nimble, AI-first agency partner laser-focused on demand capture.

2. Victorious

Victorious is an award-winning SEO agency that has leaned into AI SEO with a focus on scalable B2B strategies. They emphasize building structured, long-form assets—like pillar pages and industry resources—that perform well in Google and generative engines.

Their strength lies in transparent processes, measurable ROI tracking, and aligning SEO goals with sales outcomes.

Best for: B2B companies that want a proven, process-driven partner with clear reporting and pipeline impact.

3. Titan Growth

Titan Growth brings a technical and paid media edge to AI SEO. Their patented TitanBOT technology simulates how search engines (and increasingly, AI systems) crawl content, helping clients predict how they’ll appear in results.

For B2B firms competing in crowded categories, Titan Growth’s mix of technical SEO and AI-ready content strategy creates competitive advantage.

Best for: Enterprise B2B firms that want advanced tools and technical rigor applied to AI SEO.

4. Directive

Directive specializes in performance marketing for B2B SaaS, and AI SEO is now a central part of their offering. They’re known for creating bottom-of-funnel content—competitor pages, feature breakdowns, and category hubs—that map directly to how buyers search in ChatGPT and Google AI.

They combine SEO with paid search and CRO, making them strong for companies that want SEO tied directly to revenue outcomes.

Best for: B2B SaaS companies looking for AI SEO baked into a broader demand generation program.

5. SmartSites

SmartSites is a full-service digital agency with a strong AI-driven SEO practice. They focus on using AI tools to accelerate content production, structured markup, and performance analysis, while keeping human oversight for brand voice and accuracy.

Their hybrid AI+human model makes them efficient and scalable, especially for mid-market B2B firms.

Best for: Mid-sized B2B companies that need cost-effective AI SEO support at scale.

6. Ignite Visibility

Ignite Visibility has consistently ranked as a top SEO agency and now offers specialized AI SEO services. They emphasize integrating structured data, entity optimization, and authority signals to increase a brand’s chances of surfacing in AI Overviews and chatbot responses.

They also run educational programs for clients, ensuring internal teams understand the AI SEO landscape.

Best for: B2B organizations that want a seasoned, education-oriented partner to guide their AI SEO transition.

7. NoGood

NoGood positions itself as a growth marketing agency with AI SEO baked in. They’re especially known for helping B2B scale-ups connect SEO to pipeline by blending content, CRO, and performance media with GEO strategies.

Their test-and-learn culture makes them nimble and a good fit for high-growth companies adapting quickly to the AI search era.

Best for: B2B scale-ups that want experimentation and growth hacking applied to AI SEO.

Final Thoughts

AI SEO is no longer a side experiment—it’s now where B2B buyers are making vendor decisions. The agencies above are helping companies adapt, combining technical rigor, content strategy, and growth marketing to ensure brands appear in both Google AI Overviews and ChatGPT recommendations.

If your buyers are in AI engines, your brand needs to be there too. These seven agencies are the ones leading the way in 2025.