The verdict in three sentences
An international tax and fiduciary firm in Houston still gets most of its inbound inquiries through Google, but its clients (energy-sector executives on assignment abroad, families with assets in several countries, companies restructuring) now ask their first questions to AI assistants like ChatGPT. SEO remains the foundation for precise searches, while AEO/GEO determines whether your firm is cited when a prospect asks "who in Houston handles FATCA reporting for a dual-national family". For most firms, the right answer is an SEO foundation plus a dated AEO diagnostic, before any recurring AI budget.
What your prospects ask AI assistants, and why your firm does not show up
The questions we see are long and situational: "I'm being transferred from Houston to Aberdeen, which US tax obligations remain", "which Houston firm administers a trust for beneficiaries in Mexico", "transfer pricing for an oilfield services subsidiary in Norway, who should I talk to", "CRS and FATCA filings for a family trust". An AI assistant like ChatGPT answers by synthesizing sources it treats as reliable and consistent.
A firm is missing from those answers for simple reasons: its service pages are generic ("international tax services") instead of addressing a specific problem, the jurisdictions it covers are written nowhere, its partners lack consistent public profiles, its licenses and credentials (for example a trust company license where one is required) are not stated, or no credible third-party source mentions it. None of this is fixed by promising to be recommended: no AI guarantees a citation, and no provider can promise one.
A word on content: never present aggressive tax avoidance, never promise a tax outcome. Practitioners before the IRS are bound by Circular 230, including its rules on solicitation, and CPAs by their state board's rules. This is not legal advice.
SEO vs AEO/GEO: the comparison for a Houston firm
| Criterion | SEO | AEO/GEO |
|---|---|---|
| Target | Google searches: "international tax accountant Houston", "expat tax CPA Houston" | AI assistant answers to situational questions |
| Time to effect | 4 to 9 months on precise local searches | Variable, often 3 to 6 months before answers shift |
| Market budget (2026 ballpark) | USD 2,000 to 6,000/month | Diagnostic USD 2,500 to 8,000, then USD 1,500 to 5,000/month |
| Metrics | Search Console, qualified inquiries, meetings booked | Dated record of answers to the same questions, citations, inquiries mentioning an AI |
| Main risk | Traffic without engagements if pages are too broad | Fuzzy measurement if nobody logs answers over time |
| Content dependency | Pages per problem and per jurisdiction | The same pages, plus consistent third-party sources |
Budgets based on typical agency quotes and public agency rate pages. At Kolonell, both types of work are on quote, after a diagnosis.
Where to invest depending on your situation
| Situation | Priority | Why |
|---|---|---|
| New firm, 2 to 4 partners | SEO first, light AEO diagnostic | Without solid pages, no AI has material to cite |
| Established firm, strong local reputation | Full AEO diagnostic | Check whether the reputation carries into AI answers |
| Heavily regulated fiduciary and trust work | Careful SEO, AEO focused on accuracy | An AI may summarize your services inaccurately |
| Limited budget, under USD 3,000/month | SEO on 3 or 4 key problems | Concentrate effort where engagements are decided |
| International clients (Mexico, UK, Norway) | Both, by jurisdiction | Foreign prospects often ask an AI before Google |
| Inaccessible or dated site | Fix the site first | ADA Title III web accessibility suits are frequent; target WCAG 2.2 AA |
How to measure, and what a diagnostic covers
SEO is measured through Search Console (impressions and clicks on your target searches), qualified forms and meetings booked. AEO is measured through a dated record: the same questions, asked on the same dates each month, with the answer received, the firms cited and the sources mentioned. Without that record, you cannot tell real progress from random variation. Add a question to your contact form: "how did you hear about us?", with an AI option.
A diagnostic covers, in broad terms: the current state of answers across 20 to 40 of your clients' questions, the consistency of your public information (partners, licenses, jurisdictions), missing pages, third-party sources that cite or overlook you, and a costed order of priorities. For newsletters that go with this work, the CAN-SPAM Act applies to commercial email.
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Mini case study
Illustrative example: Bayou Crossing Tax & Trust (fictional), a 9-person firm in Houston, has USD 42,000 a year. Option A: all SEO, USD 3,500 a month, i.e. USD 42,000. Option B: SEO at USD 2,500 a month (USD 30,000), an AEO diagnostic at USD 4,000, then a quarterly record update at USD 1,000 (USD 4,000): total USD 38,000, with USD 4,000 in reserve. Option B costs less and gives a dated measure of AI answers. If a single new trust administration engagement brings USD 15,000 in annual fees (assumption), three engagements cover the year.
FAQ
Is SEO still worth it if clients ask AI assistants?
Yes: AI assistants draw heavily on existing web content, and Google still generates most inquiries for most firms. An SEO foundation of USD 2,000 to 6,000 a month remains the norm in Houston (2026 ballpark).
How much does an AEO diagnostic cost for a tax firm?
Around USD 2,500 to 8,000 depending on the number of questions tested and jurisdictions covered. At Kolonell, it is priced on quote.
Can you guarantee ChatGPT will recommend our firm?
No, nobody controls an AI assistant's answers. You can only improve the clarity and consistency of the information available and measure change over 3 to 6 months.
How do we know AEO is working?
By comparing the dated record of answers month after month, on the same 20 to 40 questions, and by tracking prospects who name an AI as their source.
Does our regulated content create a risk with AI assistants?
An AI may summarize your services inaccurately, which is why precise, current pages matter. Have a partner review every service page before publication.
Find out how AI assistants describe your firm. A dated snapshot of what AI assistants like ChatGPT say about your firm on your clients' questions, with SEO and AEO priorities. 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.
