Field notes on generative engine optimization: how brands earn citations inside AI answers.
The ranking · Updated October 2026
Ten agencies with a dedicated GEO service and a base in the region, scored on published AI search results, how clearly they explain their method, reach across Southeast Asia, links to revenue and price transparency.
See the full rankingTop picks
| Rank | Agency | Best for | Score |
|---|---|---|---|
| 1 | Arfadia | Indonesian B2B brands that want measured AI citations | 4.3 |
| 2 | Hashmeta | brands that want one agency across many Southeast Asian markets | 3.9 |
| 3 | Primal | brands in Thailand and Malaysia | 3.8 |
| 4 | MediaOne | Singapore brands that want AI visibility reporting | 3.7 |
| 5 | GTMLab | lead-driven businesses that want AI search tied to paid media and CRM | 3.6 |
Top GEO Agency is published by GTMLab, which is included in this ranking.
Knowing how to choose a GEO agency comes down to one test: can the agency show you today’s AI answer for your most important buyer question and explain why it names who it names? An agency that can do that on the first call has already done the work most only promise. The seven steps […]
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Every agency is scored from 1 to 5 on the criteria here, using evidence anyone can check: its own case studies, service pages, published prices and review profiles. The weighted total sets the order.
Read the methodology| Criterion | Weight | What we check |
|---|---|---|
| Published AI search results | 30% | Has it published results from AI answers for named clients: citations, AI Overview placements or AI share of voice?5: a named client with numbers, dates and a stated source. 4: a named client with numbers. 3: unattributed numbers or claims. 2: a GEO service but no results. |
| GEO method | 25% | Does the service page explain what the agency does and how it measures it: prompts tracked, engines covered, sources worked on, reporting?5: a detailed method with named measurement and a reporting cadence or accountability. 4: a detailed method with measurement. 3: a general description, or claims that contradict each other. |
| Southeast Asia reach | 20% | Does it have offices or published client work in more than one Southeast Asian market?5: offices in two or more countries, with client work there. 4: one office plus client work in another country. 3: one country. |
| Link to revenue | 15% | Does it show marketing work tied to leads, bookings or revenue, ideally from AI search?5: an AI search result tied to leads or revenue. 3: lead or revenue results from other channels, or revenue attribution in the GEO service. 2: traffic or rankings only. 1: none. |
| Price transparency | 10% | Does it publish what its GEO work costs?5: a price list with terms. 4: starting prices or its own ranges. 3: indicative, draft or market ranges. 1: not published. |
