Search is shifting fast and so is the way your target audience discovers your brand. Instead of scrolling through 10 blue links, searchers now ask questions and get direct answers.
What’s more: users trust the answers that Google, ChatGPT etc., provide them with. Companies that understand this are going to be positioned best for the future of search. A future in which humans will expect LLMs to do more and more of the thinking for them.
Enter: Generative Engine Optimization (GEO).
Think of GEO as an ongoing brand awareness and reputation building exercise. Your end goal is for LLMs to recommend your business as a viable solution to your target market’s pain points.
For that, you’re going to need to work with a partner that firstly understands how to get your brand cited in AI search. More importantly, you want LLMs to trust your brand and recommend it. The best partners will know what it takes to make your business the go-to answer.
In this guide, we’ve curated 5 GEO agencies that have proven they can move beyond citations and get their client’s brands recommended. They have a fantastic commercial acumen and know what it takes to move the needle for your business.
We cover their strengths, core services and why you should trust them to take your brand forward. After reading this guide, you’ll be able to make an informed decision on who the best GEO partner for your brand is.
TL;DR: list of best GEO agencies in 2025:
- Platypus SEO: B2B SaaS brands that want to tie GEO initiatives directly to ROI.
- SEER Interactive: Large-scale brands seeking data-driven multi-channel SEO.
- Content Harmony: Companies seeking to employ structured, repeatable GEO workflows.
- Relevance: Businesses wanting to invest into digital PR aligned to GEO algorithms.
- Brain Labs: Enterprise brands looking for large-scale GEO implementation.
Now let’s take a deeper dive.
Top GEO Agencies in 2025: Reviewed
1. Platypus
Best for: B2B SaaS and regulated industries that want measurable results tied directly to their sales pipeline.
Platypus SEO is an early adopter of Generative Engine Optimization. With a focus on B2B SaaS companies, they use signsups, demo requests, free trial requests and sales as measures of success. Factors like citations, referral traffic from ChatGPT etc., and website visitors are all underlying measurements.
Their process starts with getting to know your business, product(s), target market, competitors and industry intimately. From there, Platypus SEO captures your ICPs pain points, motivations and VoC to deliver GEO strategies that result in real business growth.
Unlike other agencies, Platypus SEO specializes solely in organic search – where most online purchase journeys begin. As a result, you’re more likely to achieve success, as they’re not distracted by other digital channels like social media and email marketing.
With that said, one of Platypus’s fundamental strengths is that they act as an extended arm of your team. They’re able to integrate with your various stakeholders and contribute to the growth of your overall pipeline.
Their efforts combine traditional SEO, GEO, and Answer Engine Optimization to deliver a full package leading to ultimate organic search sales and visibility.
For example, Platypus has helped a leading UK proptech brand increase quarterly (Q2 vs Q1) organic demo requests by over 50%. In addition, they’ve seen AI-based conversion rates increase from 2.42% at the start of their campaign to 6.6% after less than 6 months.
If you’re looking for a GEO agency that places ROI first then choose Platypus SEO.
Key strengths:
- SEO, AEO and GEO tied directly to sales pipelines
- Narrow focus on organic search for B2B SaaS companies
- Strong technical and content foundations
- Proven results across various industries incl. cybersecurity, agritech, biotech, martech and more.
Core services:
- Traditional SEO (keyword research, auditing, on-page, off-page, technical)
- Answer Engine Optimization (targeting AI overviews, knowledge panels and more)
- Generative Engine Optimization (Google AI mode, ChatGPT, Perplexity and more)
Notable Clients: Rallup; Testlio; Landlord Vision; Workever
2. Seer Interactive
Best for: Large-scale brands and growth-focused companies seeking data-driven, multi-channel SEO (including GEO and experimentation).
Seer Interactive is a veteran digital agency with a reputation for blending technical SEO, advanced analytics, and large-scale content programs. While not GEO-exclusive, Seer’s approach aligns well with future-facing brands that need to compete across both Google and emerging answer engines.
Their SEO playbooks are geared toward startups that want fast traction from low-competition, long-tail keywords. If you have product-market fit and want to build organic visibility without a full-time content team, SimpleTiger can help.
Key strengths
- Strong programmatic and data-driven process
- Early experimentation with GEO, including structured content, FAQ and schema markup, and reporting on AI-based referral and brand visibility
- Expertise across multiple verticals: SaaS, e-commerce, finance, healthcare, and more
Core services
- Deep technical SEO and enterprise site architecture
- Data-first approach to search and user intent mapping
- Experience with answer engine content structuring
- Team-based project management and transparent communication
3. Content Harmony
Best for: Marketing teams seeking advanced topic modeling, semantic structuring, and repeatable GEO workflows.
Content Harmony is well-known for its proprietary content brief technology, which now extends to GEO. Their software and team help brands map out entities, questions, and conversational queries, so that their content gets cited in answer engines, not just ranked in Google.
Key strengths
- Deep expertise in entity and question mapping
- Scalable workflow for editorial teams
- Collaborative briefs that align writers, SEOs, and SMEs
Core services
- Content Harmony platform for GEO-ready briefs
- Topic and question mapping
- Editorial enablement for in-house or agency writers
4. Relevance
Best for: Companies needing digital PR, authority campaigns, and brand building aligned to AI search algorithms.
Relevance brings a strong digital PR and authority-building approach to GEO. Their team focuses on high-authority link building, brand mentions, and schema optimization designed to boost the trustworthiness of your brand for both humans and AI engines. If you want to be cited as a source, not just a result, Relevance can help.
Key strengths
- Proven results in brand citations
- High-authority link campaigns
- Schema and knowledge panel optimization
Core services
- Digital PR for GEO
- Authority and trust-building campaigns
- Knowledge graph consulting
5. Brainlabs
Best for: Enterprise brands that want robust reporting, large-scale GEO implementation, and ongoing training for internal teams.
Brainlabs is known for its experimentation and scale. Their GEO division delivers custom audits, entity optimization, and training programs to help enterprise teams master AI-first search. Brainlabs also invests in ongoing R&D, ensuring clients stay ahead as the generative landscape evolves.
Key strengths
- Custom GEO audits and playbooks
- Entity optimization at scale
- Internal enablement and education
- Strong reporting and experimentation culture
Core services
- GEO audits and consulting
- Large-scale entity and schema optimization
- Training and enablement for enterprise teams
How to Choose the Right GEO Agency
Evaluation Criteria | What to Look For |
Experience with answer engines and AI search | Real examples of citations or “answer wins” in ChatGPT, Perplexity, SGE |
Ability to structure/optimize content for AI retrieval | Entity optimization, schema, FAQ/HowTo, conversational Q&A |
Reporting on GEO-specific metrics | Monitoring citations, inclusion rates, and downstream AI traffic |
Training and enablement | GEO playbooks, team education, adaptation to changing algorithms |
Proactive, future-focused approach | Ongoing R&D, iterative tactics, early adoption of new AI platforms |
Final Thoughts: Don’t Let Your Brand Disappear in AI Search
If you’re not being cited in generative search engines, you’re already falling behind. GEO isn’t a “nice to have”. It’s the new baseline for digital visibility. Brands that invest in GEO now will own the conversation as AI-powered search grows.
The agencies highlighted in this guide bring the frameworks, technical know-how, and editorial muscle to keep you visible in the new search paradigm. Platypus SEO stands out as the top choice for companies who want measurable GEO outcomes, future-proof strategy, and the peace of mind that comes with being the answer.
