For two decades, search marketing was a stable game. You wrote content with a keyword in mind, you earned links, you climbed a ranked list, and a percentage of the people clicking that list came to your site.
That game still exists. But it isn't where the next decade of buyers will start.
Today, 800 million people a week ask ChatGPT for recommendations. Perplexity is the default answer engine in two-thirds of the AI-search market in the UK. Google's own AI Overviews now appear above the ten blue links for the majority of commercial queries. And every one of these surfaces does the same thing: they read everything on the open web, decide who to cite, and hand the user a single answer.
Generative Engine Optimisation, or GEO, is the discipline of making sure that answer names your brand.
It is not SEO with a new sticker. The mechanics are different, the success metric is different, the content shape is different, and the time-to-result is much shorter. SEO is about positions in a list of ten; GEO is about being the one entity an engine picks when a list isn't an option.
The thing buyers and operators miss is that the shift has already happened. We are not predicting the future — we are describing what your prospects did this morning. Whether or not your business shows up in the answers they got is a fact, today, that you can measure.
That measurement is where GEO starts. Track which engines cite you, which questions surface your competitors instead, and what the engines say about your brand versus theirs. Then close those gaps systematically — with content engineered for citation, not for keyword volume.
The good news is that AI engines refresh their knowledge much faster than Google updates its rankings. The first citations land in 30 to 60 days, not six months. The brands that act now will own their categories in answer engines for years. The brands that wait will spend the rest of the decade trying to displace them.
This is the cheap end of the curve. We don't expect it to last.