The verdict in three sentences
For a cybersecurity firm in Luxembourg, SEO remains the channel that produces measurable enquiries on precise queries (pentest, managed SOC, NIS2 or DORA compliance). AEO/GEO, meaning presence in the answers of AI assistants like ChatGPT, matters most when a CISO or CIO builds a first shortlist, before visiting any website. The right split depends on your current reputation and on how clear your public information is, and it should follow a dated diagnostic, not a hunch.
Two channels, two moments in the buying decision
A security buyer in the Grand Duchy often works for a bank, a specialised financial firm, an insurer, a fund or a public body. They type service queries into Google, then ask an AI assistant to summarise the market: 'which certified penetration testing firms are in Luxembourg', 'who supports financial entities on DORA', '24/7 SOC in French and German'. The two channels do not serve the same need.
| Criterion | SEO (Google) | AEO/GEO (AI assistants like ChatGPT) |
|---|---|---|
| What it targets | Rankings on service and compliance queries | Mentions and accurate description of the firm in answers |
| Buying moment | Active search, page comparison | Shortlist building, quick verification |
| Time to effect | 4 to 9 months on competitive B2B queries | 3 to 9 months, depending on the sources picked up |
| Market budget (2026 ballpark) | 1,500 to 5,000 EUR per month, one-off audit 3,000 to 8,000 EUR | Diagnostic 2,500 to 7,000 EUR, monitoring 800 to 3,000 EUR per month |
| Metrics | Impressions, clicks, qualified enquiries in Search Console and the CRM | Share of answers naming the firm, accuracy of what is said |
| Main risk | Generic content that never ranks | False or outdated information repeated by the AI |
These budgets are ranges drawn from typical agency quotes in Western Europe, not an official scale. AEO is still a young market, and price gaps between providers remain wide.
Where should the first euro go in your situation?
The real question is which channel is weakest for you today. A cybersecurity firm with ten years of references and a thin website does not have the same need as a team founded eighteen months ago.
| Situation | Suggested priority | Why |
|---|---|---|
| Young firm, rarely cited | SEO first, then AEO | AI assistants repeat what already exists online, so solid service pages come first |
| Established brand, dated site | AEO diagnostic, SEO content overhaul | The reputation exists, but the AI may describe it inaccurately |
| Regulated content (DORA, NIS2, financial sector) | Both, with internal review | Every compliance claim must be accurate and verifiable |
| Limited budget (under 2,000 EUR per month) | SEO focused on 5 to 8 services | Returns are easier to read and also feed the AI assistants |
| Multilingual offer FR, DE, EN | SEO per language, AEO on questions in English and French | Local buyers query AI assistants in several languages |
| 24/7 incident hotline | Local SEO and emergency pages | During an incident, the buyer wants a phone number, not a summary |
What AI assistants pick up about a cybersecurity firm are verifiable facts: certifications actually held (ISO 27001, CREST where applicable), scope of services, working languages, a team on the ground, mentions in specialist press or professional associations. Never present a certification in progress as obtained, and never name clients without written consent: in cybersecurity, discretion is part of the offer.
How to measure without fooling yourself
SEO is measured with familiar tools: Google Search Console for impressions and clicks per query, a CRM to link each enquiry to its landing page, and tracking of genuinely qualified enquiries (a CISO at a regulated entity, not a student). A realistic goal is stated in qualified enquiries per quarter, never in a promised ranking: no serious provider promises a ranking.
AEO is measured differently. You set a list of 20 to 40 questions your buyers really ask, in French, English and German, then record the answers of AI assistants like ChatGPT on a fixed date every month. Three readings matter: the share of answers that name your firm, the accuracy of what is said (services, certifications, location) and the sources the AI appears to draw on. This dated record is the only proof of progress; an isolated screenshot proves nothing, because answers vary from one day to the next.
On the data side, tracking website visitors remains subject to the GDPR and to oversight by the CNPD: consent for analytics cookies, clear information, retention periods. This is not legal advice: have your measurement choices validated by your DPO.
What a diagnostic covers before you invest
A useful diagnostic fits into a few deliverables a management committee can read: where you stand on the service queries that matter, the dated record of AI answers to your question list, inconsistencies between your site, your public profiles and professional directories, and a costed recommendation for splitting the budget over 12 months. Its role is to document your commercial judgement.
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Mini case study
Illustrative example. Mosel Cyber Partners, 14 consultants in Luxembourg, offers penetration testing, managed SOC and NIS2 support. Annual digital marketing budget: 30,000 EUR.
- SEO focused on 7 services in French and English: 1,500 EUR per month, so 18,000 EUR over 12 months.
- Initial AEO diagnostic: 4,500 EUR, then a monthly record of 30 questions at 600 EUR per month, so 7,200 EUR.
- Total: 18,000 + 4,500 + 7,200 = 29,700 EUR, within budget.
If SEO brings 2 qualified enquiries per month from month six, and an average engagement is worth 25,000 EUR with a 20% win rate, the 14 enquiries of months 6 to 12 represent about 2.8 engagements, close to 70,000 EUR in revenue. These assumptions are illustrative: the calculation method is what matters.
FAQ
Should we stop SEO to fund AEO?
In most cases, no. AI assistants rely partly on what is published and well structured online, so good SEO also feeds AEO. A starting split of 70% SEO and 30% AEO is common for an already active cybersecurity firm.
How long before an effect shows in AI answers?
Usually 3 to 9 months, depending on how quickly the sources being picked up are updated. A monthly record on the same questions is the only way to see it objectively.
Can we name our clients to reassure buyers?
Only with their written consent, and many financial sector buyers refuse. Anonymised case studies, giving sector and scope without names, are a common alternative.
Does multilingual content change the budget?
Yes: each added language (French, German, English, sometimes Luxembourgish) needs its own pages and its own tracking, often 30 to 50% more work per language. AEO questions must also be asked in each language.
Can a provider guarantee that ChatGPT will recommend us?
No. No agency controls an AI's answers; it can only improve the clarity and consistency of public information about your firm, then measure change on a dated record.
Find out how AI assistants describe your firm. We record what AI assistants like ChatGPT and Google say about your firm today on your key queries, then propose a costed split. Request a diagnostic quote: reply within 48 hours.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
