Buyers no longer stop at Google. They ask ChatGPT, Perplexity, and Gemini for recommendations, and the brands those tools cite win the consideration before a search result is ever clicked. Getting cited is a discipline of its own, often called Generative Engine Optimisation (GEO). This guide ranks 10 Singapore agencies that can help you show up inside AI answers.
Quick answer: ChatGPT SEO (GEO) makes your brand and content easy for AI systems to read, trust, and cite. The agencies below combine traditional SEO fundamentals with schema, citable content, and entity building. MediaPlus Digital suits businesses wanting AI SEO joined to their website and core SEO; OOm and MediaOne for scale; Hashmeta and Stridec for documented GEO methodology; and NEO360 for AI visibility within a full 360 programme.
At-a-glance comparison
|
Agency |
Core strength |
Best suited to |
|
MediaPlus Digital |
AI SEO joined with web design and core SEO |
SMEs wanting a unified partner |
|
OOm |
Large team, mature SEO plus GEO |
Established firms seeking scale |
|
MediaOne |
Analytics-led SEO and content |
Brands servicing larger accounts |
|
Impossible Marketing |
Results-led SEO, GEO and AEO |
Lead-generation-focused SMEs |
|
Hashmeta |
Named GEO methodology, content and social |
Content and social-heavy brands |
|
2Stallions |
B2B SEO discipline carried into AI |
B2B and technology companies |
|
Stridec |
Documented, senior-led GEO |
Regulated and B2B buyers |
|
Verz Design |
GEO built close to the web build |
Companies rebuilding sites |
|
NEO360 Digital |
360 marketing with AI and local SEO |
SMEs wanting AI visibility in a full-funnel programme |
|
Heroes of Digital |
Search, LLM and Maps with own tooling |
Outcome-focused SMEs |
The 10 best ChatGPT SEO agencies
1. MediaPlus Digital
Best for: Singapore SMEs and growing brands that want AI SEO joined up with their website build
MediaPlus delivers AI SEO integrated with web design and traditional optimisation, using crawl access, schema markup, citable content, and entity building. Because SEO, GEO, content, and development sit under one roof, the work that earns AI citations also strengthens rankings. A Google Partner and PSG pre-approved vendor.
2. OOm
Best for: established companies that want a sizeable, process-driven agency
A long-established agency with a substantial SEO background and a dedicated GEO service for AI-powered search, with the team and process to run at scale.
3. MediaOne
Best for: brands that want an analytics-led agency experienced with larger accounts
A well-known Singapore SEO and digital marketing agency using analytics tooling and machine-learning workflows, applied to both traditional and AI search visibility.
4. Impossible Marketing
Best for: local businesses focused on lead generation
A multi-award-winning Singapore agency that connects SEO, GEO, and AEO to measurable business outcomes, with the transparent, education-led style it is known for.
5. Hashmeta
Best for: brands that want a content-and-social-heavy partner
A clearly branded GEO capability across ChatGPT, Perplexity, Gemini, and AI Overviews, backed by a repeatable methodology and strong content and social execution.
6. 2Stallions
Best for: B2B and technology companies that need AI visibility tied to qualified demand
Strong B2B SEO positioning carried into AI search, suited to decision-maker research in longer sales cycles.
7. Stridec
Best for: regulated or B2B buyers who value a hands-on, documented approach
A practitioner-led operation that publishes a detailed GEO methodology, with a focus on financial services, professional services, and B2B tech.
8. Verz Design
Best for: companies planning a website rebuild
A web design and development agency that adds a GEO service, engineering schema, markup, and technical foundations into the site build itself.
9. NEO360 Digital
Best for: SMEs wanting AI visibility inside a full-funnel programme
NEO360 is a Singapore 360-degree, AI and data-driven agency covering SEO, local SEO, ads, social, web, and content. For AI search it applies the same fundamentals that earn citations (authority, clear structure, and consistent entities) so brands get surfaced in AI answers alongside the rest of their marketing. Clients highlight an honest, education-led approach and long-running relationships.
10. Heroes of Digital
Best for: SMEs that want an outcome-focused agency covering search, AI, and local
Positions around optimising for Google, large language models, and Maps, with proprietary tooling that bridges rankings and revenue.
What ChatGPT SEO actually involves
ChatGPT SEO is less about a single ranking and more about being a trusted, machine-readable source. In practice it means:
- Allowing AI crawlers (such as GPTBot) to access the right pages
- Structured data and schema so systems understand your content
- Clear, citable content that answers questions directly
- Consistent entity information (who you are, what you do) across the web
- Brand mentions and authority signals that AI models learn to trust
What a ChatGPT SEO agency should deliver
- AI crawl access configuration and technical readiness
- Schema and structured data implementation
- Citable, well-structured content and FAQ formatting
- Entity and brand-consistency work across the web
- Light digital PR to build authority and mentions
- Measurement of AI citations and visibility, tied to enquiries
How to choose a ChatGPT SEO agency
- Ask for real examples of brands they have helped get cited in AI answers.
- Confirm they cover the fundamentals (schema, citable content, entities), not just buzzwords.
- Check they build on solid traditional SEO, since AI visibility depends on it.
- Require measurement of AI citations and a link to enquiries or revenue.
- Confirm you own your accounts, data, and content.
Indicative pricing in Singapore
|
Engagement type |
Coverage |
Monthly range |
|
Starter AI SEO |
AI crawl access, core schema, a few citable pages |
S$1,000 – S$2,500 |
|
Growth AI SEO and GEO |
Ongoing content, entity work, light digital PR |
S$2,500 – S$6,000 |
|
Enterprise GEO programme |
Large content output, technical SEO, PR |
S$6,000+ |
|
One-off AI readiness audit |
Technical, schema, and citability review |
S$1,500 – S$5,000 |
PSG can offset up to 50% of qualifying costs for eligible SMEs.
How to measure AI citations and visibility
- Track brand citations and mentions inside ChatGPT, Perplexity, and Gemini
- Monitor AI visibility tracking tools over time
- Check server and crawl logs for AI crawler activity
- Connect the trend to enquiries and revenue, against a baseline
Key takeaways
- AI answer engines now shape buying decisions before a click.
- Getting cited builds on traditional SEO, adding schema, citability, and entity work.
- Choose a partner that measures AI visibility and ties it to business outcomes.
Frequently asked questions
Can you really do SEO for ChatGPT?
Yes. You cannot control the model, but you can influence whether it cites you through crawl access, structured data, citable content, and brand mentions.
Is ChatGPT SEO different from normal SEO?
It builds on traditional SEO and adds schema, citability, and entity-consistency work aimed at AI systems rather than only the Google results page.
What is generative engine optimisation?
GEO is the practice of optimising your content and brand so AI systems include and cite you in their answers.
How long does it take to appear in ChatGPT answers?
There is no fixed timeline. Technical changes can register in weeks, while authority and citations build over months.
Do I need to let GPTBot crawl my site?
Generally yes, so AI systems can read and cite you, while still protecting sensitive areas like checkout and admin.
How do I measure success?
Track brand citations, monitor AI visibility tools, check crawl logs, and connect the results to enquiries and revenue.
Ready to get cited inside ChatGPT?
If you want your brand surfaced in AI answers, not just Google, talk to MediaPlus Digital. Explore our SEO services in Singapore and answer engine optimisation approach.
