This list compares ten agencies that help challenger brands get found in search and AI answers, and it is written for growing companies competing against larger, better-known rivals.
The rise of AI-powered search has created a new challenge for growing companies. It’s no longer enough to rank well in traditional search results. Brands now need to be visible in AI-generated answers, summaries, recommendations, and citations.
If you’re wondering “What is answer engine optimization?”, it’s the practice of optimizing content and digital assets so AI-powered search engines and answer platforms can easily understand, reference, and surface your brand. That shift has created growing demand for top AEO agencies, especially among challenger brands — companies competing against larger, more established players without the same level of resources, recognition, or market share.
Not every company approaches AEO the same way. Some place more emphasis on content creation, while others spend more time on digital PR, thought leadership, or brand positioning. For challenger brands, the goal is usually the same: finding ways to compete for attention without having the largest budget in the room.
| Agency | Location | Focus |
| 1. Watson Creative | Portland, Oregon | Branding, authority building and digital visibility |
| 2. Croud | London, United Kingdom | Scaling visibility for growing and large brands |
| 3. Fractl | Delray Beach, FL, USA | Digital PR and content that earns attention and authority |
| 4. Kalungi | Seattle, WA, USA | B2B SaaS marketing and credibility building |
| 5. Powered by Search | Toronto, Canada | B2B demand and visibility tied to business results |
| 6. SmartBug Media | Newport Beach, CA, USA | Inbound marketing for long-term growth |
| 7. Graphite | New York, NY, USA | In-depth content that answers buyer questions |
| 8. Growth Plays | Boston, MA, USA | Practical B2B growth strategy for challenger brands |
| 9. North Star Inbound | Austin, TX, USA | Brand mentions and authority building |
| 10. SimpleTiger | Sarasota, FL, USA | SaaS SEO and organic growth |
Watson Creative takes the top spot because the agency approaches growth from a branding perspective first. While many firms in the AEO space concentrate primarily on content production or search visibility, Watson spends a great deal of time helping companies define how they want to be perceived in the market.
That distinction can be particularly important for challenger brands. When you’re competing against larger, more established companies, being memorable often matters just as much as being discoverable. Much of Watson’s work centers on building that foundation through brand strategy, storytelling, creative development, and digital experiences.
Watson’s approach feels particularly relevant for smaller brands competing against larger companies with bigger budgets and more name recognition. A challenger brand usually cannot outspend the market leader, but it can be more distinctive.
For companies looking for answer engine optimization services, Watson stands out because the agency combines branding, content, user experience, and digital strategy rather than treating visibility as purely a search problem.
Why they made the list: Strong blend of branding, authority building, and digital visibility.
Croud works with a wide range of brands, from growing companies trying to gain traction to larger organizations looking to expand their reach. That variety gives the agency experience across different markets and stages of growth rather than focusing on a single niche.
One thing that makes them notable is the scale of their operation. Croud combines a global team with a distributed network of specialists, allowing them to support companies that need more resources than a small boutique agency can typically provide while still remaining accessible to brands that are not operating at enterprise scale.
Their ability to combine strategic planning with execution across multiple channels rather than treating search as an isolated function is exactly what many brands are looking for.
Why they made the list: Strong track record of helping growing brands scale visibility.
Fractl became well known through digital PR and content campaigns designed to earn attention organically. Instead of relying entirely on paid promotion, the agency focuses heavily on creating research and stories that attract media coverage and backlinks.
For challenger brands that need credibility but don’t have the budget of industry giants, that approach can help level the playing field.
Why they made the list: Excellent at helping brands earn attention and authority organically.
Kalungi focuses almost exclusively on B2B SaaS companies, which gives the agency a fairly specific perspective compared to many firms on this list. Rather than trying to serve every industry, they spend most of their time working with software companies that are still building awareness and trying to stand out in competitive categories.
Many SaaS businesses face a similar challenge: they may have a strong product, but far fewer resources than the larger companies they’re competing against. Kalungi appears to spend a significant amount of time helping clients communicate what makes their product different and why potential customers should pay attention.
That specialization can be particularly valuable for challenger brands operating in crowded software markets where gaining recognition is often just as important as generating traffic.
Why they made the list: Strong focus on helping smaller SaaS companies build credibility.
Powered by Search has more of an analytical feel than many agencies in the B2B marketing space. Instead of spending a lot of time discussing impressions or traffic, the company focuses on how its marketing efforts contribute to actual business opportunities.
Much of their content and client work revolves around understanding where prospects enter the buying journey, what information they’re looking for, and how companies can meet those needs more effectively. That level of attention to the customer journey can be particularly useful for organizations selling complex products or services.
For challenger brands, the appeal is not necessarily doing more marketing. It’s making better decisions about where to focus limited time and resources.
Why they made the list: Deep experience helping B2B brands compete against larger players.
SmartBug Media works with a wide variety of companies, which gives the agency exposure to very different marketing challenges and customer journeys. Rather than concentrating on a single niche, they have experience supporting organizations across healthcare, manufacturing, technology, education, and other industries.
SmartBug has worked with HubSpot for years, which means they’re more familiar with the platform inside and out. For companies already using HubSpot, that experience can remove some of the learning curve and make implementation a little smoother.
Their strength lies in helping businesses create systems that continue generating results over time rather than relying entirely on one-off campaigns.
Why they made the list: Strong inbound framework for long-term growth.
Graphite works with a number of well-known technology companies, including brands like Notion and Webflow. Much of their work revolves around creating in-depth content that answers the kinds of questions potential customers are already searching for, rather than producing content simply for the sake of publishing more.
That approach can be particularly useful for challenger brands. When you’re competing against larger companies, every piece of content has to work a little harder, and Graphite appears to place a strong emphasis on creating resources that are genuinely useful to readers rather than chasing content volume.
Their emphasis on research, content quality, and strategic content planning, rather than pushing out large volumes of content, makes them particularly relevant to the AEO conversation. As more companies experiment with answer engine optimization tools, the emphasis on substance over quantity may become increasingly valuable.
Why they made the list: Strong focus on high-quality content and sustainable growth.
Growth Plays works with B2B companies that are trying to bring more structure to their marketing efforts. Rather than offering every possible service, the agency tends to focus on helping businesses identify where opportunities exist and which activities deserve the most attention.
Reading through their approach, there is a noticeable emphasis on prioritization. Many growing companies have limited time, limited resources, and no shortage of ideas competing for attention. Growth Plays appears to spend a lot of effort helping teams decide what is worth pursuing and what can wait.
Their practical perspective may appeal to challenger brands that need to make careful decisions about where they invest their resources.
Why they made the list: Practical growth strategies tailored to challenger brands.
North Star Inbound approaches visibility from a slightly different direction than many agencies. A lot of firms focus on helping brands create content. North Star spends more time thinking about where a company is being talked about and how those conversations can expand its reach.
For smaller brands, especially, outside recognition can carry a lot of weight. Being featured by a respected publication or referenced by an industry source often creates a different kind of credibility than publishing another article on your own website.
North Star’s focus on visibility and earned attention is one reason the agency deserves a place among the top AEO agencies for challenger brands.
Why they made the list: Strong authority-building capabilities for growing companies.
SimpleTiger focuses heavily on SaaS SEO and organic growth. The agency has worked with numerous software companies and tends to emphasize practical, scalable approaches to increasing visibility.
For challenger brands that need growth but lack enterprise resources, that specialization can be particularly appealing.
For companies seeking answer engine optimization services, SimpleTiger offers a focused approach centered around organic visibility, content, and search-driven growth.
Why they made the list: Strong SaaS expertise and focus on scalable organic growth.
Related list on ReVerb: Top AI SEO Agencies In 2026
Answer engine optimization (AEO) is the work of getting a brand cited, quoted or recommended in AI answers from tools such as ChatGPT, Google AI Overviews, Perplexity and Gemini, as well as in featured snippets. For a challenger brand, the goal is to show up in the same answers as the category leaders, even with a smaller budget and fewer backlinks.
For a wider set of specialists, see the best answer engine optimization agencies and the top AI-driven SEO and analytics implementation companies.
An AEO agency helps a brand appear in answers from AI assistants and answer engines, such as ChatGPT, Google AI Overviews and Perplexity. It combines content, digital PR and technical SEO so that those tools can find, trust and cite the brand when users ask questions about its category.
SEO aims to rank web pages in search results so people click through to a site. AEO aims to get the brand named or quoted inside the answer itself, which depends more on clear, quotable content and on mentions across trusted third-party sources. The two overlap heavily, and most AEO programs build on a solid SEO foundation.
Publish pages that answer buyer questions directly, with plain definitions, comparisons and FAQs. Then earn mentions on the sites AI tools rely on, such as industry publications, curated lists, review platforms and community discussions, and keep your brand details consistent everywhere. Track a fixed set of prompts so you can see whether mentions increase over time.
One thing that became clear while researching these agencies is that there isn’t a single formula for succeeding in AEO. Different firms are approaching the opportunity from very different angles, which is part of what makes the space so interesting right now.
The best AEO agencies understand that challenger brands rarely win by outspending the market leaders. Instead, they help companies become easier to discover, easier to understand, and easier to trust when potential customers are looking for answers.
If you want to feature your AEO agency for challenger brands on this list, email us or submit a form in the Top Choices section. After a thorough assessment, we’ll decide whether it’s a valuable addition.