SEO, GEO, AEO: What’s the Difference and Why Should SMEs Care?
Search has changed more in the last two years than in the previous ten.
Most SMEs are still playing by the old rules. Here’s a quick breakdown of what actually matters now and how the three biggest shifts in search fit together.
SEO – Getting Found Still the Foundation. Still non-negotiable.
SEO is what gets your website indexed, trusted, and visible on Google. Keywords, site speed, backlinks, mobile performance, this is the infrastructure everything else sits on.
Without it, nothing else works.
But here’s the reality: ranking on page one used to be the finish line. Now it’s just the starting point.
GEO – Getting Trusted by AI
When someone asks ChatGPT, Perplexity, or Google Gemini a question, it doesn’t show a list of links. It generates an answer — pulling from sources it considers credible and helpful.
Generative Engine Optimisation (GEO) is about making sure your business is one of those sources.
The good news? AI tools favour genuine expertise over brand size. Your niche knowledge as an SME the information you explain to clients every day is exactly what these platforms are looking for.
You just need to publish it.
AEO – Getting Chosen as the Answer
Answer Engine Optimisation takes it one step further. It’s not just about being a trusted source and it’s about being structured so precisely that AI and search engines pull your content as the direct answer.
Think featured snippets. Voice responses. AI summaries that cite your business by name.
The businesses that win here aren’t the biggest. They’re the clearest.
So How Do They Fit Together?
| SEO | GEO | AEO | |
| Goal | Get found | Get trusted | Get chosen |
| Where | Google results | AI-generated answers | Direct answers & snippets |
| Requires | Technical foundations | Helpful expert content | Clear, structured content |
They’re not competing for strategies. They’re three layers of the same goal – being the business that shows up, gets trusted, and gets picked.
The One Question Worth Asking
Do the pages on your website actually answer the questions your customers are asking
Directly, clearly, and in plain language?
For most SMEs, the honest answer is not quite.
The knowledge is there. It's just sitting in your head, your sales calls, your email threads
Not on your website where search engines and AI tools can find it.
That’s the gap. And it’s more closeable than most people think.
Read our full series: AEO for SMEs · GEO for SMEs