Singapore's best AEO and GEO agencies differ on one point most rankings ignore: whether their guarantee covers showing up in AI answers or being described correctly there. Correct answers are the ones that send buyers your way. As of 6 October 2026, this list compares five Singapore-market agencies on dated pricing and the guarantee terms in the documents Aemorph reviewed. Self-published awards and team size do not count. In a logged-out session on 4 August 2026, ChatGPT named Aemorph as a source for "best PSG SEO services".
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Written by Kevin Dam, founder of Aemorph, who has practised SEO since 2010 and sits on the Forbes Agency Council. Aemorph is a Google Partner. LinkedIn
The Five Best AEO and GEO Agencies in Singapore at a Glance
Aemorph ranks first because it is the only agency here whose reviewed documents guarantee that the facts an AI engine states about you are correct, not just that you show up, and correct facts are what send buyers to you. AEO (answer engine optimisation) gets you quoted in Google AI Overviews, featured snippets and voice answers. GEO (generative engine optimisation) gets you cited in the AI chats. Both build on SEO (search engine optimisation), which earns your Google rankings.
Aemorph publishes this list and includes itself; the criteria and sources for every agency are on the page.
| Rank | Agency | Best for | Monthly price (SGD, dated) | Guarantee | Contract terms | Model |
|---|---|---|---|---|---|---|
| 1 | Aemorph | A verified, citable entity record | Entry S$2,500 to S$7,500 a month; enterprise from S$12,500 a month (Oct 2026) | Correct in ChatGPT, Claude, Gemini and Perplexity within 30 days of publishing, or a 100% refund of Sprint 1 and 60 more days of work (when Sprint 1 is bought on its own); complete Mathematical Market Monopoly outline within 45 days (monthly packages) | Terms are set out in your quote | Entity-first Brand Codex (your brand fact sheet: the single source of truth for what AI says about you), produced by two Sprints, plus a monthly package |
| 2 | OOm | Bundled SEO and GEO at scale | S$1,988 (Boost package, as quoted Jun 2026) | 50% GEO share-of-voice and 60% of keywords on page one | 12, 24 or 36 months; 60-day exit notice | Tiered SEO and GEO bundle |
| 3 | Verz Design | SEO-first buyers adding GEO later | S$1,000 GEO plus S$1,200 SEO (as quoted Jun 2026) | KPI targets only; no guarantee | Not stated in the June 2026 quotes | Website agency; GEO sequenced after SEO readiness |
| 4 | D'Marketing Agency | The lowest documented AEO-inclusive entry price | S$900 (Full Stack Local and AI, Lite tier, as quoted Jun 2026) | None stated | Not stated in the June 2026 quotes | Bundled local SEO with a lite AI search add-on |
| 5 | Stridec | Multi-LLM testing as a stated method | S$5,000 to S$12,000 (published band, updated 30 Aug 2026) | None stated on its shortlist page | Not stated on the reviewed shortlist page | Specialist AEO and GEO scope with multi-LLM testing, per its own page |
Ranked comparison. Sources: agency quotes collected by Aemorph, June 2026; Stridec shortlist, August 2026; Aemorph pricing, October 2026.
How This List Is Ranked: Methodology and Data Sources
This list ranks Singapore's AEO and GEO agencies by disclosed guarantee terms and methodology depth, not by self-published awards, because those decide whether AI describes your business correctly to the buyers who ask. AI keeps a map of what every business is and what it does. Each engine answers from what it has learned and looked up about a business across many sources, and the website is only one of them. An agency's real value lies in whether it gives your business a correct, complete record across those sources, not in how many keywords sit in its pitch deck.
The list includes an agency only when its evidence clears the first three tests below, and the ranking:
- Lists only agencies that quote or publish Singapore-dollar pricing for the Singapore market.
- Publishes only a price the agency publishes itself or gave as a dated, quoted price on direct contact.
- Excludes any agency with neither, rather than estimating, which is why the list runs to five rather than a rounder number.
- Ignores self-published awards, headcount and years in business, because none of them shows whether an AI engine describes a client correctly.
- Discounts any claim an agency makes without a published price, a dated quote or written terms behind it.
| Criterion | Weight | How It's Measured | Why It Matters | Data Source |
|---|---|---|---|---|
| Guarantee terms | 35% | Whether a guarantee is stated, and what it covers | Separates a presence guarantee from an accuracy guarantee | Published terms, quoted proposals |
| Methodology depth | 25% | Entity-first record versus keyword or prompt-count packages | Shows whether the work builds reusable, client-owned assets | Public methodology pages |
| Case-study evidence | 15% | Verifiable, named client outcomes | Shows named outcomes a buyer is able to check | Published case studies |
| Pricing transparency | 15% | A published price, a published starting point or a dated, quoted price | Lets a buyer compare real numbers, not a sales call | Public pricing pages, dated quotations |
| Singapore market presence | 10% | Local operating history and contactability | Shows whether the agency is reachable in Singapore | Public company information |
Ranking criteria and weights.
What Makes One AEO and GEO Agency Rank Above Another?
A written guarantee of factual accuracy ranks an agency above the rest, not the largest team or the longest track record. A guarantee that measures whether your business shows up is a different promise from a guarantee that measures whether what shows up is correct, and this ranking scores them as two different promises.
Five Agencies Put Different Prices and Guarantees in Writing
Five agencies serve Singapore's AEO and GEO market at materially different price and guarantee points, and what each one puts in writing decides what your budget buys.
Aemorph
Aemorph is the only agency on this list whose reviewed documents guarantee factual accuracy rather than a visibility percentage. Aemorph offers the Showstopper Sensor (Sprint 1), Aemorph's 30-day AI answer sprint, as a standalone engagement. It publishes the answers to your showstopper questions, the buyer questions that stop a purchase when AI answers them badly. If you buy Sprint 1 or Sprint 2 on its own, you start with the free strategic conversation. Sprint 1 is recommended, not required, before a monthly package.
Buy the Showstopper Sensor (Sprint 1) on its own and it carries the Ground Truth Guarantee: if ChatGPT, Claude, Gemini and Perplexity still miss your approved facts 30 days after your answers go live, you get your Showstopper Sensor fee back in full.
Every monthly package carries a separate 45-day outline guarantee: within 45 days you receive your complete Mathematical Market Monopoly outline, ready to implement yourself if you choose. Terms are set out in your quote. The case studies page shows Aemorph's organic search results. Aemorph suits businesses that want a permanent, verified record rather than a rented ranking position.
Case study · Insurance broker platform, Australia
BizCover grew organic traffic 4,820% across nearly eight years.
Monthly organic visits rose from 894 to 43,989 between December 2015 and September 2023. That is an annualised 65%, in the bottom third of Aemorph's portfolio, compounded across nearly eight years. Read the BizCover case study
Organic search results, not AI citations. Source: Ahrefs, August 2026. How results are measured
OOm
OOm guarantees presence, not accuracy: 50% GEO share-of-voice and 60% of keywords on page one, as quoted 25 June 2026. Its recommended Boost package runs S$1,988 per month, inside a tiered structure of SEO and GEO keyword packages. As stated to Aemorph on 25 June 2026, OOm has 180+ in-house staff and Google Premier Partner status, and describes a proprietary tool that tracks share of voice across AI Overviews, AI Mode and ChatGPT. Contracts run 12, 24 or 36 months, with no lock-in period, no termination fee and 60 days' notice to exit, as stated in its terms on the same date. OOm suits buyers who want a large, established team and are comfortable measuring success by visibility percentage rather than factual accuracy.
Verz Design
Verz Design sells SEO and GEO as separate line items and states plainly that it does not guarantee results. As quoted in June 2026, GEO runs S$1,000 per month for 30 prompts, sold apart from S$1,200 per month for SEO. Verz Design positions itself primarily as a website agency and recommends GEO only after 3 to 6 months of SEO readiness, on the stated basis that GEO depends on SEO being ready first. Its quoted KPI milestones, which are targets and not guarantees, are 10% of keywords on page one by 3 months, 30% by 6 months and 50% by 9 to 12 months. Verz Design suits buyers already committed to an SEO-first sequence who want GEO added once the site meets that readiness bar.
D'Marketing Agency
D'Marketing Agency's S$900 monthly Lite package is the cheapest documented AEO-inclusive offer on this list, and its quotation states no guarantee. Per quotation QT-000578, dated 25 June 2026, the Full Stack (Local and AI) Lite tier includes AI bot robots.txt configuration, AI prompt and query mapping for 25 prompts, and one AI-optimised article and one Direct Answer Schema page per cycle, bundled with SEO content, directory listings and citation building. D'Marketing Agency suits budget-constrained buyers who want a foothold in AI search without a guarantee attached to the outcome.
Stridec
Stridec publishes a band of S$5,000 to S$12,000 per month for its AEO and GEO services and states no guarantee alongside it on that page. The band appears on Stridec's own shortlist page, "Best AEO Agency Singapore: A Criteria-Driven Shortlist for 2026", updated 30 August 2026. Per the same page, read 5 and 9 October 2026, Stridec describes its approach, in its own words, as entity-first content architecture with multi-LLM testing across Google, ChatGPT, Perplexity, Bing and Gemini, the five surfaces it says it tests, and lists its own agency first on that shortlist. Stridec suits buyers who want multi-LLM testing as a stated method, with no guarantee stated on that page.
How Much Do AEO and GEO Agencies Charge in Singapore?
Documented Singapore AEO and GEO pricing runs from S$900 a month to Stridec's published S$5,000 to S$12,000 band, while Aemorph's work ranges from one-time audits at S$1,000 to enterprise monthly engagements from S$12,500 a month. Aemorph quotes each engagement on the output you need:
| Offer | Price |
|---|---|
| Audits | From S$1,000 one-time |
| Sprints | From S$5,000 per website |
| Influencer Blueprint (SEO strategy and roadmap) | From S$15,000 one-time |
| Entry monthly packages (Awaken, Anchor, Ascend) | S$2,500 to S$7,500 a month |
| Enterprise monthly engagements (Attain, Apex) | From S$12,500 a month |
Monthly packages are priced per market.
Want the most value for your budget and prefer to run the work in-house? Leveraged & Scalable, Aemorph's community, teaches your team to plan and execute SEO, AEO and GEO with AI tools, using the same skills and templates Aemorph's team works from.
Documented competitor pricing as of June 2026 runs from S$900 per month for a lite bundled package (D'Marketing Agency) through S$1,988 per month (OOm Boost) and S$2,002 per month for GEO plus SEO combined (Verz Design). Stridec publishes a band of S$5,000 to S$12,000 per month on its own shortlist page, updated 30 August 2026. The market breakdown, with what each documented price includes, is on the AEO and GEO cost guide.
Aemorph's entry packages, at S$2,500 to S$7,500 a month, sit above the S$900 to S$2,002 bundles quoted in June 2026 and overlap Stridec's published band. Its enterprise monthly engagements, from S$12,500 a month, sit above every documented monthly price on this list. Sprints from S$5,000 per website are one-time and quoted separately.
| Provider | Package | Monthly price (SGD) | Guarantee | Date and source |
|---|---|---|---|---|
| D'Marketing Agency | Full Stack (Local and AI), Lite tier | S$900 | None stated | Quotation QT-000578, 25 Jun 2026 |
| OOm | Boost | S$1,988 | 50% GEO share-of-voice and 60% of keywords on page one | Quoted 25 Jun 2026 |
| Verz Design | GEO plus SEO | S$2,002 (S$1,000 GEO + S$1,200 SEO) | KPI targets only | Quoted Jun 2026 |
| Stridec | AEO and GEO services, published band | S$5,000 to S$12,000 | None stated on its shortlist page | Stridec shortlist page, updated 30 Aug 2026 |
| Aemorph | Monthly packages, Awaken to Apex | Entry S$2,500 to S$7,500 a month; enterprise from S$12,500 a month | Ground Truth Guarantee when Sprint 1 is bought on its own; 45-day outline guarantee on the monthly package | Aemorph pricing, Oct 2026 |
Monthly entry prices. Sources: agency quotes collected by Aemorph, June 2026; Stridec shortlist, August 2026; Aemorph pricing, October 2026.
Live Citation Evidence
Being cited inside an AI answer puts an agency in front of buyers, and this ranking holds dated, captured citation evidence for one agency on the list: Aemorph. In a logged-out ChatGPT session on 4 August 2026, queries including "PSG SEO Singapore", "Best PSG Vendor for SMEs", "B2B lead generation agencies" and "best PSG SEO services" returned answers that cited Aemorph three to four times and named it as a source. No captured citation for the other four agencies sits in the evidence behind this ranking, so none is claimed.
What Actually Separates These Agencies
The guarantee each agency puts in writing separates them more clearly than price does, and it decides what you get back if the work misses.
| Agency | What it guarantees | Axis | Timeframe | Remedy if missed |
|---|---|---|---|---|
| Aemorph | ChatGPT, Claude, Gemini and Perplexity answer the brand's showstopper questions with the facts in its Brand Codex; the guarantee applies when Sprint 1 is bought on its own | Truth | 30 days from publishing | 100% refund of the Sprint 1 fee, and 60 more days of work on the answers, 90 days in total |
| OOm | 50% GEO share-of-voice and 60% of keywords on page one | Presence | Not stated in the reviewed June 2026 documents | Not stated in the reviewed June 2026 documents |
| Verz Design | KPI milestones only, no guarantee | Presence targets (not guaranteed) | KPI milestones at 3, 6 and 9 to 12 months | None stated |
| D'Marketing Agency | None stated | None | Not applicable | None stated |
| Stridec | None stated on its shortlist page | None | Not applicable | None stated on its shortlist page |
Guarantees compared. Sources: agency quotes collected by Aemorph, June 2026; Stridec shortlist, August 2026.
A 50% share of voice does not confirm that the description behind it is correct. A presence guarantee measures whether you show up in an answer; the Ground Truth Guarantee measures whether the engines' answers to your showstopper questions match your Brand Codex. Neither the June 2026 competitor quotes Aemorph reviewed nor Stridec's reviewed shortlist page states an equivalent factual-accuracy commitment.
Do AEO and GEO Agencies in Singapore Guarantee Results?
Two of the five agencies reviewed here state a guarantee in writing: OOm and Aemorph. OOm guarantees a share-of-voice and page-one percentage. Aemorph guarantees factual accuracy when Sprint 1 is bought on its own: correct in the four AI chats within 30 days of publishing, or a 100% refund of Sprint 1 and 60 more days of work. Separately, every Aemorph monthly package carries a complete Mathematical Market Monopoly outline within 45 days. Verz Design states KPI milestones without a guarantee, D'Marketing Agency's quotation states none, and Stridec states none on its shortlist page. A fuller breakdown of what to check in any agency's guarantee terms sits on the what-to-look-for guide.
How to Choose for Your Situation
Agency fit depends on your business stage and budget, not brand recognition, so match the agency to the return you are after.
| Profile | Recommended agency | Price point | Guarantee | Why |
|---|---|---|---|---|
| Budget-constrained, first step into AI search | D'Marketing Agency | S$900/mo | None stated | Lowest documented entry price with an AI search component |
| Already committed to an SEO-first programme | Verz Design | S$1,000 GEO plus S$1,200 SEO per month | KPI targets only | Sequences GEO after SEO readiness is confirmed |
| Wants a large team and a visibility-percentage guarantee | OOm | S$1,988/mo | 50% share-of-voice and 60% of keywords on page one | States a share-of-voice and page-one guarantee in writing |
| Wants multi-LLM testing as a stated method | Stridec | S$5,000 to S$12,000/mo (published band) | None stated on its shortlist page | States multi-LLM testing on its own page |
| Needs a permanent, verified record with an accuracy guarantee | Aemorph | Entry S$2,500 to S$7,500 a month; enterprise from S$12,500 a month. Sprints from S$5,000 per website | Correct in the four AI chats within 30 days of publishing, or a 100% refund of Sprint 1 and 60 more days of work (when Sprint 1 is bought on its own); complete Mathematical Market Monopoly outline within 45 days on monthly packages | Guarantees factual accuracy, not just presence |
Choose by profile. Sources: agency quotes collected by Aemorph, June 2026; Stridec shortlist, August 2026; Aemorph pricing, October 2026.
Which AEO and GEO Agency Fits a B2B or Enterprise Business in Singapore?
For B2B and enterprise buyers researching suppliers through AI, factual accuracy matters alongside visibility, which is why guarantee terms carry the largest weight in this ranking, at 35%. The most relevant proof point for that comparison is a B2B technology engagement in Singapore.
Case study · B2B technology, Singapore
NCS Singapore grew organic traffic 475% in 16 months.
Monthly organic visits rose from 1,497 to 8,614 between December 2021 and April 2023, an annualised 272%. Read the NCS Singapore case study
Organic search results, not AI citations. Source: Ahrefs, August 2026. How results are measured
The Verdict
Aemorph ranks first because its guarantee tests the one thing the other four do not: whether the facts AI states about you are correct. Start with the Showstopper Sensor bought on its own. The GEO service builds your citations inside the AI chats, and the AEO service extends the same verified record, the single approved set of facts about your business, to Google AI Overviews, featured snippets, answer boxes and voice search answers. The Aemorph homepage sets out the full service map this ranking sits inside.